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Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

EERE: Renewable Electricity Generation - Solar  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Solar Renewable Electricity Generation EERE plays a key role in advancing America's "all of the above" energy strategy, leading a large network of researchers and other partners to...

2

Barriers to commercialization of large-scale solar electricity: Lessions learned from the LUZ experience  

DOE Green Energy (OSTI)

This report discusses the economic and policy factors leading to the initial successful introduction of Luz International Limited`s Solar Electric Generating Systems (SEGS). It then addresses the wide range of barriers to continued SEGS commercialization, including state and federal tax policy, avoided cost energy pricing, artificial size limitations under the Public Utility Regulatory Policies Act (PURPA), the loss of effectiveness of PURPA itself, the lack of incentives available to utilities as owners of solar electric plants, and the limited ways in which the environmental benefits of this technology have been recognized. The way in which each of these barriers contributed to the suspension of new LUZ projects is highlighted. In addition, mitigation approaches to each of these barriers are suggested.

Lotker, M. [Lotker (Michael), Westlake Village, CA (United States)

1991-11-01T23:59:59.000Z

3

PHOTOVOLTAIC SOLAR ELECTRIC SYSTEM  

E-Print Network (OSTI)

CALIFORNIA ENERGY COMMISSION Buying a PHOTOVOLTAIC SOLAR ELECTRIC SYSTEM A Consumer Guide 2003 System: A Consumer Guide i Buying a Photovoltaic Solar Electric System A Consumer Guide California Energy water system that uses the sun's energy to heat water, solar electric or photovoltaic technology uses

Krothapalli, Anjaneyulu

4

High-Efficiency Solar Cells for Large-Scale Electricity Generation  

DOE Green Energy (OSTI)

One strategy for helping the solar industry to grow faster is to use very high efficiency cells under concentrating optics. By using lenses or mirrors to concentrate the light, very small solar cells can be used, reducing the amount of semiconductor material and allowing use of higher efficiency cells, which are now >40% efficient.

Kurtz, S.; Olson, J.; Geisz, J.; Friedman, D.; McMahon, W.; Ptak, A.; Wanlass, M.; Kibbler, A.; Kramer, C.; Bertness, K.; Ward, S.; Duda, A.; Young, M.; Carapella, J.; Steiner, M.

2008-09-26T23:59:59.000Z

5

Solar amp Electric Solutions | Open Energy Information  

Open Energy Info (EERE)

Solar amp Electric Solutions Jump to: navigation, search Name Solar & Electric Solutions Place Santa Cruz, California Zip 95062 Sector Solar Product Small solar installation firm...

6

Chicopee Electric Light - Residential Solar Rebate Program |...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Chicopee Electric Light - Residential Solar Rebate Program Chicopee Electric Light - Residential Solar Rebate Program Eligibility Residential Savings For Solar Buying & Making...

7

Havasu Solar Electric | Open Energy Information  

Open Energy Info (EERE)

Zip 86401 Sector Solar Product Arizona-based electric contractors in the solar industry. References Havasu Solar Electric1 LinkedIn Connections CrunchBase Profile No...

8

Solar Thermal Electric Technology: 2009  

Science Conference Proceedings (OSTI)

This report summarizes the status and progress of the solar thermal and concentrating solar power (CSP) industry in 2009. It addresses relevant policies in the United States and internationally, technology status, trends, companies and organizations involved in the field, and modeling activities supported by the Electric Power Research Institute (EPRI) and the Solar Thermal Electric Project (STEP).

2010-06-23T23:59:59.000Z

9

Solar Thermal Electric | Open Energy Information  

Open Energy Info (EERE)

Electric Jump to: navigation, search TODO: Add description List of Solar Thermal Electric Incentives Retrieved from "http:en.openei.orgwindex.php?titleSolarThermalElectric&o...

10

Solar Thermal Electric Technology: 2008  

Science Conference Proceedings (OSTI)

This report summarizes the status and progress of the solar thermal and concentrating solar power (CSP) industry in 2008. It addresses technology status, trends, companies and organizations involved in the field, and modeling activities supported by EPRI and the Solar Thermal Electric Project (STEP).

2009-03-31T23:59:59.000Z

11

Solar thermal electric hybridization issues  

DOE Green Energy (OSTI)

Solar thermal electric systems have an advantage over many other renewable energy technologies because the former use heat as an intermediate energy carrier. This is an advantage as it allows for a relatively simple method of hybridization by using heat from fossil-fuel. Hybridization of solar thermal electric systems is a topic that has recently generated significant interest and controversy and has led to many diverse opinions. This paper discusses many of the issues associated with hybridization of solar thermal electric systems such as what role hybridization should play; how it should be implemented; what are the efficiency, environmental, and cost implications; what solar fraction is appropriate; how hybrid systems compete with solar-only systems; and how hybridization can impact commercialization efforts for solar thermal electric systems.

Williams, T A; Bohn, M S; Price, H W

1994-10-01T23:59:59.000Z

12

Solar Electrical Vehicles | Open Energy Information  

Open Energy Info (EERE)

California Zip 91361 Sector Solar, Vehicles Product US-based manufacturer of solar battery chargers for hybrid vehicles. References Solar Electrical Vehicles1 LinkedIn...

13

Solar Electric Solutions LLC | Open Energy Information  

Open Energy Info (EERE)

Woodland Hills, California Zip 91364 Sector Solar Product California-based developer of solar PV projects. References Solar Electric Solutions, LLC1 LinkedIn Connections...

14

Solar Electric Power Association | Open Energy Information  

Open Energy Info (EERE)

by expanding it. Solar Electric Power Association is a company located in Washington, DC . References "Solar Electric Power Association" Retrieved from "http:...

15

Small Solar Electric Systems | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Small Solar Electric Systems Small Solar Electric Systems Small Solar Electric Systems July 15, 2012 - 4:11pm Addthis A small solar electric or photovoltaic system can be a reliable and pollution-free producer of electricity for your home or office. What are the key facts? Because PV technologies use both direct and scattered sunlight to create electricity, the solar resource across the United States is ample for home solar electric systems. Solar cells-the basic building blocks of a PV system -- consist of semiconductor materials. A typical home solar electric, or PV, system consists solar cells, modules or panels (which consist of solar cells), arrays (which consist of modules), and balance-of-system parts. A small solar electric or photovoltaic (PV) system can be a reliable and pollution-free producer of electricity for your home or office. Small PV

16

Small Solar Electric Systems | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Small Solar Electric Systems Small Solar Electric Systems Small Solar Electric Systems July 15, 2012 - 4:11pm Addthis A small solar electric or photovoltaic system can be a reliable and pollution-free producer of electricity for your home or office. What are the key facts? Because PV technologies use both direct and scattered sunlight to create electricity, the solar resource across the United States is ample for home solar electric systems. Solar cells-the basic building blocks of a PV system -- consist of semiconductor materials. A typical home solar electric, or PV, system consists solar cells, modules or panels (which consist of solar cells), arrays (which consist of modules), and balance-of-system parts. A small solar electric or photovoltaic (PV) system can be a reliable and pollution-free producer of electricity for your home or office. Small PV

17

Sustainable Energy Science and Engineering Center Solar Electricity  

E-Print Network (OSTI)

Sustainable Energy Science and Engineering Center Solar Electricity Solar-thermally generated based on largely according to how good conductor it is. Solar Cells- Energy bands The energies Current #12;Sustainable Energy Science and Engineering Center The solar cell is the basic building block

Krothapalli, Anjaneyulu

18

First Solar Electric LLC formerly DT Solar | Open Energy Information  

Open Energy Info (EERE)

Electric LLC formerly DT Solar Electric LLC formerly DT Solar Jump to: navigation, search Name First Solar Electric LLC (formerly DT Solar) Place Branchburg, New Jersey Zip 8876 Sector Solar Product PV project developer and installer, acquired by First Solar in November 2007, to develop large solar power projects in the US Southwest. Coordinates 40.56089°, -74.70034° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.56089,"lon":-74.70034,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

19

The Economics of Solar Electricity ?  

E-Print Network (OSTI)

The benefits and costs of increasing solar electricity generation depend on the scale of the increase and on the timeframe over which it occurs. Short-run analyses focus on the cost-effectiveness of incremental increases in solar capacity, holding the rest of the power system fixed. Solars variability adds value if its power occurs at high-demand times and displaces relatively carbon-intensive generation. Medium-run analyses consider the implications of non-incremental changes in solar capacity. The cost of each installation may fall through experience effects, but the cost of grid integration increases when solar requires ancillary services and fails to displace investment in other types of generation. Long-run analyses consider the role of solar in reaching twentyfirst century carbon targets. Solars contribution depends on the representation of grid integration costs, on the availability of other low-carbon technologies, and on the potential for technological advances. By surveying analyses for different time horizons, this paper begins to connect and integrate a fairly disjointed literature on the economics of solar energy.

Erin Baker; Meredith Fowlie; Derek Lemoine; Stanley S. Reynolds; Erin Baker; Meredith Fowlie; Derek Lemoine; Stanley S. Reynolds

2013-01-01T23:59:59.000Z

20

High-Efficiency Solar Cells for Large-Scale Electricity Generation & Design Considerations for the Related Optics (Presentation)  

SciTech Connect

The photovoltaic industry has been growing exponentially at an average rate of about 35%/year since 1979. Recently, multijunction concentrator cell efficiencies have surpassed 40%. Combined with concentrating optics, these can be used for electricity generation.

Kurtz, S.; Olson, J.; Geisz, J.; Friedman, D.; McMahon, W.; Ptak, A.; Wanlass, M.k; Kibbler, A.; Kramer, C.; Ward, S.; Duda, A.; Young, M.; Carapella, J.

2007-09-17T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Large-scale solar projects in the United States have made great...  

NLE Websites -- All DOE Office Websites (Extended Search)

the United States have made great progress in delivering competitively priced renewable electricity September 2013 The price at which electricity from large-scale solar power...

22

Photoferroelectric solar to electrical conversion  

E-Print Network (OSTI)

We propose a charge pump which converts solar energy into DC electricity. It is based on cyclic changes in the spontaneous electric polarization of a photoferroelectric material, which allows a transfer of charge from a low to a high voltage. To estimate the power efficiency we use a photoferroelectric liquid crystal as the working substance. For a specific choice of material, an efficiency of $2\\%$ is obtained.

Milos Knezevic; Mark Warner

2013-01-30T23:59:59.000Z

23

SOLAR ENERGY AND OUR ELECTRICITY FUTURE  

E-Print Network (OSTI)

SOLAR ENERGY AND OUR ELECTRICITY FUTURE Sandia is a multiprogram laboratory operated by Sandia Solar Power (CSP) #12;Solar Energy Fun Facts More energy from sunlight strikes the Earth in one hour Solar energy is the only long-term option capable of meeting the energy (electricity and transportation

24

Clay Electric Cooperative, Inc - Solar Thermal Loans | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clay Electric Cooperative, Inc - Solar Thermal Loans Clay Electric Cooperative, Inc - Solar Thermal Loans Eligibility Residential Savings For Heating & Cooling Solar Swimming Pool...

25

Solar Electric Light Fund | Open Energy Information  

Open Energy Info (EERE)

Solar Electric Light Fund Solar Electric Light Fund Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Solar Electric Light Fund Agency/Company /Organization: Solar Electric Light Fund Sector: Energy Focus Area: Solar Phase: Create Early Successes Resource Type: Publications, Training materials Website: www.self.org/ Locality: US, Africa, Asia, Latin America Cost: Free The mission of the Solar Electric Light Fund (SELF) is to empower people in developing countries to rise from poverty using energy from the sun. What We Do The Solar Electric Light Fund (SELF) has been working in the field of renewable energy, household energy and decentralized rural electrification for over 18 years. We have a proven track record of managing complex, multi-disciplinary international projects and have worked on renewable

26

Moreno Valley Electric Utility - Solar Electric Incentive Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Moreno Valley Electric Utility - Solar Electric Incentive Program Moreno Valley Electric Utility - Solar Electric Incentive Program Moreno Valley Electric Utility - Solar Electric Incentive Program < Back Eligibility Commercial Residential Savings Category Solar Buying & Making Electricity Maximum Rebate Residential systems 30 kW or less: $14,000 or 50% of cost, whichever is less Small commercial systems 30 kW or less: $50,000 or 50% of cost, whichever is less Program Info State California Program Type Utility Rebate Program Rebate Amount Systems 30 kW or less: $2.00 per W-AC Systems larger than 30 kW: $0.06 per kWh for 5 years Provider Moreno Valley Electric Utility Moreno Valley Electric Utility provides rebates to its electric customers for the purchase of photovoltaic (PV) systems. System must be on the same premises as the customer to qualify. Systems 30 kilowatts (kW) or less can

27

Parabolic Trough Solar Thermal Electric Power Plants  

DOE Green Energy (OSTI)

Although many solar technologies have been demonstrated, parabolic trough solar thermal electric power plant technology represents one of the major renewable energy success stories of the last two decades.

Not Available

2003-06-01T23:59:59.000Z

28

Modular Solar Electric Power (MSEP) Systems (Presentation)  

SciTech Connect

This presentation discusses the development and deployment of Modular Solar Electric Power (MSEP) systems, the feasibility of application of existing binary power cycles to solar trough technology, and identification of next action items.

Hassani, V.

2000-06-18T23:59:59.000Z

29

Solar-Electric Dish Stirling System Development  

DOE Green Energy (OSTI)

Electrical power generated with the heat from the sun, called solar thermal power, is produced with three types of concentrating solar systems - trough or line-focus systems; power towers in which a centrally-located thermal receiver is illuminated with a large field of sun-tracking heliostats; and dish/engine systems. A special case of the third type of system, a dish/Stirling system, is the subject of this paper. A dish/Stirling system comprises a parabolic dish concentrator, a thermal receiver, and a Stirling engine/generator located at the focus of the dish. Several different dish/Stirling systems have been built and operated during the past 15 years. One system claims the world record for net conversion of solar energy to electric power of 29.4%; and two different company`s systems have accumulated thousands of hours of on-sun operation. Due to de-regulation and intense competition in global energy markets as well as the immaturity of the technology, dish/Stirling systems have not yet found their way into the marketplace. This situation is changing as solar technologies become more mature and manufacturers identify high-value niche markets for their products. In this paper, I review the history of dish/Stirling system development with an emphasis on technical and other issues that directly impact the Stirling engine. I also try to provide some insight to the opportunities and barriers confronting the application of dish/Stirling in power generation markets.

Mancini, T.R.

1997-12-31T23:59:59.000Z

30

The DOE Solar Thermal Electric Program  

DOE Green Energy (OSTI)

The Department of Energy`s Solar Thermal Electric Program is managed by the Solar thermal and biomass Power division which is part of the Office of utility Technologies. The focus of the Program is to commercialize solar electric technologies. In this regard, three major projects are currently being pursued in trough, central receiver, and dish/Stirling electric power generation. This paper describes these three projects and the activities at the National laboratories that support them.

Mancini, T.R.

1994-06-01T23:59:59.000Z

31

Small Solar Electric Systems | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Addthis A small solar electric or photovoltaic system can be a reliable and pollution-free producer of electricity for your home or office. What are the key facts? Because PV...

32

innovati nNREL Confirms Large Potential for Grid Integration of Wind, Solar Power  

E-Print Network (OSTI)

innovati nNREL Confirms Large Potential for Grid Integration of Wind, Solar Power To fully harvest the nation's bountiful wind and solar resources, it is critical to know how much electrical power from at adding enough wind and solar power capacity to the grid to produce 35% of the WestConnect's electricity

33

EERE: Renewable Electricity Generation - Solar  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

sources of energy. Photo of a parabolic trough solar concentrating collector. Solar Geothermal Wind Water Aerial photo of a neighborhood with photovoltaic systems on the roofs of...

34

Electric utilities and residential solar systems  

DOE Green Energy (OSTI)

The long-run incremental cost (LRIC) of providing electricity for solar heating and hot water systems is estimated for three utilities using a utility capacity expansion model and compared to the cost of providing electricity to electric-only systems. All investment, fuel and operating costs are accounted for. Hot water systems and combined heating and hot water systems are analyzed separately. It is found that the LRIC for solar backup is no more than the LRIC of electricity used for purely electric heating and hot water devices and also no more than the incremental cost of normal load growth. For the three utilities studied, there appears to be little basis for rate distinctions between solar devices using electric backup and electric-only heating and hot water devices. Off-peak storage heating and hot water devices have a much lower LRIC than the standard systems; again, there appears to be no basis for distinguishing between solar and electric off-peak devices. Compared to average cost pricing, incremental cost pricing offers considerable benefits to customers using solar and electric heat and hot water, especially if a separate lower rate is adopted for off-peak storage devices; these benefits can amount to several hundred dollars per year. Substantial savings in the use of oil and gas fuels can be achieved if residences using these fuels convert to solar systems, savings not necessarily achievable by a shift, instead, to electric systems.

Bright, R; Davitian, H

1980-04-01T23:59:59.000Z

35

Salem Electric - Solar Water Heater Rebate | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Water Heater Rebate Salem Electric - Solar Water Heater Rebate Eligibility Residential Savings For Heating & Cooling Solar Water Heating Program Information Oregon Program...

36

New Hampshire Electric Co-Op - Residential Solar Photovoltaic...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Residential Solar Photovoltaic Incentive Program New Hampshire Electric Co-Op - Residential Solar Photovoltaic Incentive Program Eligibility Residential Savings For Solar Buying &...

37

Clay Electric Cooperative, Inc - Energy Smart Solar Water Heater...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clay Electric Cooperative, Inc - Energy Smart Solar Water Heater Rebate Program Clay Electric Cooperative, Inc - Energy Smart Solar Water Heater Rebate Program < Back Eligibility...

38

Analysis of International Policies In The Solar Electricity Sector...  

NLE Websites -- All DOE Office Websites (Extended Search)

Analysis of International Policies In The Solar Electricity Sector: Lessons for India Title Analysis of International Policies In The Solar Electricity Sector: Lessons for India...

39

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

Coal Gas turbines Large Hydro Wind power Small Hydro Biomassas wind, hydro and biomass, compared to solar power to meetof solar power Thermal Nuclear Wind Hydro-electric Geo-

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

40

Solar Electric Incentive Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Electric Incentive Program Solar Electric Incentive Program Solar Electric Incentive Program < Back Eligibility Agricultural Commercial Industrial Institutional Local Government Nonprofit Residential Schools State Government Savings Category Solar Buying & Making Electricity Maximum Rebate Residential (Homeowner or Third Party): $5,000 per home for Pacific Power and PGE Non-Residential: $100,000 for Pacific Power, $120,000 for PGE PGE Non-Residential Maximum for systems installed on or after May 24, 2013: $300,000 Program Info Funding Source Public Benefits Fund Start Date 05/2003 State Oregon Program Type State Rebate Program Rebate Amount Residential (Homeowner or Third Party-Owned): $0.75/W DC for Pacific Power and PGE Non-Residential PGE, 0-35 kW: $1.20/watt Non-Residential Pacific Power, 0-35 kW: $1.10/watt

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Chicopee Electric Light- Residential Solar Rebate Program  

Energy.gov (U.S. Department of Energy (DOE))

Chicopee Electric Light offered rebates to residential customers who install solar photovoltaic systems on their homes. Customer rebates are $0.50 per watt for a maximum of $2,500 per installation.

42

Solar Thermal Electric Technology Update: 2007  

Science Conference Proceedings (OSTI)

After more than a dozen years of relative inactivity, the solar thermal electric (STE) industry is seeing pronounced activity and investment. This product is intended to update the reader on these recent world-wide activities.

2008-03-31T23:59:59.000Z

43

Millennium Electric TOU Ltd aka Millennium Solar EIG Solar | Open Energy  

Open Energy Info (EERE)

Electric TOU Ltd aka Millennium Solar EIG Solar Electric TOU Ltd aka Millennium Solar EIG Solar Jump to: navigation, search Name Millennium Electric TOU Ltd (aka Millennium Solar, EIG Solar) Place Israel Zip 43650 Sector Efficiency, Solar Product Israeli manufacturer of PV modules, incorporating solar concentrators to increase cell efficiency. References Millennium Electric TOU Ltd (aka Millennium Solar, EIG Solar)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Millennium Electric TOU Ltd (aka Millennium Solar, EIG Solar) is a company located in Israel . References ↑ "[ Millennium Electric TOU Ltd (aka Millennium Solar, EIG Solar)]" Retrieved from "http://en.openei.org/w/index.php?title=Millennium_Electric_TOU_Ltd_aka_Millennium_Solar_EIG_Solar&oldid=348837

44

Battery Power for Your Residential Solar Electric System: Better Buildings Series Solar Electric Fact Sheet  

DOE Green Energy (OSTI)

This consumer fact sheet provides an overview of battery power for residential solar electric systems, including sizing, estimating costs, purchasing, and performing maintenance.

Not Available

2002-10-01T23:59:59.000Z

45

Solar Power and the Electric Grid, Energy Analysis (Fact Sheet)  

NLE Websites -- All DOE Office Websites (Extended Search)

Power and the Electric Grid Power and the Electric Grid In today's electricity generation system, different resources make different contributions to the electricity grid. This fact sheet illustrates the roles of distributed and centralized renewable energy technologies, particularly solar power, and how they will contribute to the future electricity system. The advantages of a diversified mix of power generation systems are highlighted. Grid 101: How does the electric grid work? The electric grid-an interconnected system illustrated in Figure 1-maintains an instantaneous balance between supply and demand (generation and load) while moving electricity from generation source to customer. Because large amounts of electricity are difficult to store, the amount generated and fed into the system must be care-

46

Solar thermal electric: Program overview fiscal years 1993--1994  

DOE Green Energy (OSTI)

The Solar Thermal Electric Program Overview and Accomplishments for Fiscal Years 1993--1994 are documented.

NONE

1995-03-01T23:59:59.000Z

47

Solar-Thermal Electric Power: 2003 Status Update  

Science Conference Proceedings (OSTI)

U.S. development efforts in solar-thermal technologies were particularly strong during the 1980s and resulted in a significant amount of experimental and commercial hardware. Those efforts subsided in the 1990s, primarily because energy prices stabilized at affordable levels. Also, primary interest in the solar power community underwent a shift from large-scale wholesale power to smaller-scale retail power. This shift derived, in part, from the electric-sector restructuring movement that was occurring. K...

2003-05-06T23:59:59.000Z

48

Stand-alone solar residence and solar electric auto  

Science Conference Proceedings (OSTI)

In a system design recently patented (US Patent No. 4,182,960, Integrated Residential and Automotive (Solar) Energy System, issued January 8, 1980). a passive solar residence first is equipped with photovoltaic arrays to charge both the residence and an electric auto. Then, a liquid-fueled engine/generator on board the auto both (1) extends the range of the electric auto and (2) enables the auto with its engine/generator to serve as a backup source of heat and electricity for the residence.

Reuyl, J.S.

1980-01-01T23:59:59.000Z

49

Thermoelectrics Combined with Solar Concentration for Electrical and Thermal Cogeneration  

E-Print Network (OSTI)

and Electrical Cogeneration . 16 2.4.OptimalELECTRICAL AND THERMAL COGENERATION A thesis submitted inFOR ELECTRICAL AND THERMAL COGENERATION A solar tracker and

Jackson, Philip Robert

2012-01-01T23:59:59.000Z

50

COMMENTS OF THE LARGE-SCALE SOLAR ASSOCIATION TO DEPARTMENT  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

COMMENTS OF THE LARGE-SCALE SOLAR ASSOCIATION TO DEPARTMENT COMMENTS OF THE LARGE-SCALE SOLAR ASSOCIATION TO DEPARTMENT OF ENERGY'S RAPID RESPONSE TEAM FOR TRANSMISSION'S REQUEST FOR INFORMATION Submitted by electronic mail to: Lamont.Jackson@hq.doe.gov The Large-scale Solar Association appreciates this opportunity to respond to the Department of Energy's (DOE) Rapid Response Team for Transmission's (RRTT) Request for Information. 1 We applaud the DOE for creating the RRTT and continuing to advance the efforts already made under the Memorandum of Understanding (MOU) entered into by nine Federal agencies in 2009 to expedite electric transmission construction. We also applaud the federal and state agencies that have expanded the Renewable Energy Policy Group and the Renewable Energy Action Team in California to focus on transmission, and hope that the tremendous

51

Solar thermal electric power information user study  

DOE Green Energy (OSTI)

The results of a series of telephone interviews with groups of users of information on solar thermal electric power are described. These results, part of a larger study on many different solar technologies, identify types of information each group needed and the best ways to get information to each group. The report is 1 of 10 discussing study results. The overall study provides baseline data about information needs in the solar community. An earlier study identified the information user groups in the solar community and the priority (to accelerate solar energy commercialization) of getting information to each group. In the current study only high-priority groups were examined. Results from five solar thermal electric power groups of respondents are analyzed: DOE-Funded Researchers, Non-DOE-Funded Researchers, Representatives of Utilities, Electric Power Engineers, and Educators. The data will be used as input to the determination of information products and services the Solar Energy Research Institute, the Solar Energy Information Data Bank Network, and the entire information outreach community should be preparing and disseminating.

Belew, W.W.; Wood, B.L.; Marle, T.L.; Reinhardt, C.L.

1981-02-01T23:59:59.000Z

52

Exploratory Research for New Solar Electric Technologies  

SciTech Connect

We will review highlights of exploratory research for new PV technologies funded by the DOE Solar Energy Technologies Program through NREL and its Photovoltaic Exploratory Research Project. The goal for this effort is highlighted in the beginning of the Solar Program Multi-Year Technical Plan by Secretary of Energy Spencer Abraham's challenge to leapfrog the status quo by pursuing research having the potential to create breakthroughs. The ultimate goal is to create solar electric technologies for achieving electricity costs below 5 cents/kWh. Exploratory research includes work on advanced photovoltaic technologies (organic and ultra-high efficiency solar cells for solar concentrators) as well as innovative approaches to emerging and mature technologies (e.g., crystalline silicon).

McConnell, R.; Matson, R.

2005-01-01T23:59:59.000Z

53

Exploratory Research for New Solar Electric Technologies  

DOE Green Energy (OSTI)

We will review highlights of exploratory research for new PV technologies funded by the DOE Solar Energy Technologies Program through NREL and its Photovoltaic Exploratory Research Project. The goal for this effort is highlighted in the beginning of the Solar Program Multi-Year Technical Plan by Secretary of Energy Spencer Abraham's challenge to leapfrog the status quo by pursuing research having the potential to create breakthroughs. The ultimate goal is to create solar electric technologies for achieving electricity costs below 5 cents/kWh. Exploratory research includes work on advanced photovoltaic technologies (organic and ultra-high efficiency solar cells for solar concentrators) as well as innovative approaches to emerging and mature technologies (e.g., crystalline silicon).

McConnell, R.; Matson, R.

2005-01-01T23:59:59.000Z

54

Oncor Electric Delivery - Large Commercial and Industrial Rebate Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Oncor Electric Delivery - Large Commercial and Industrial Rebate Oncor Electric Delivery - Large Commercial and Industrial Rebate Program Oncor Electric Delivery - Large Commercial and Industrial Rebate Program < Back Eligibility Commercial Construction Industrial Installer/Contractor Institutional Local Government Schools State Government Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Manufacturing Other Heat Pumps Appliances & Electronics Commercial Lighting Lighting Home Weatherization Insulation Design & Remodeling Windows, Doors, & Skylights Solar Buying & Making Electricity Water Heating Wind Maximum Rebate General: 20% of the incentive budget in a given budget year Contact Oncor for additional details Program Info State Texas Program Type Utility Rebate Program Rebate Amount DX Air Conditioning: $285.30/kW; $0.09/kWh

55

A solar module fabrication process for HALE solar electric UAVs  

DOE Green Energy (OSTI)

We describe a fabrication process used to manufacture high power-to-weight-ratio flexible solar array modules for use on high-altitude-long-endurance (HALE) solar-electric unmanned air vehicles (UAVs). These modules have achieved power-to-weight ratios of 315 and 396 W/kg for 150{mu}m-thick monofacial and 110{mu}m-thick bifacial silicon solar cells, respectively. These calculations reflect average module efficiencies of 15.3% (150{mu}m) and 14.7% (110{mu}m) obtained from electrical tests performed by Spectrolab, Inc. under AMO global conditions at 25{degrees}C, and include weight contributions from all module components (solar cells, lamination material, bypass diodes, interconnect wires, and adhesive tape used to attach the modules to the wing). The fabrication, testing, and performance of 32 m{sup 2} of these modules will be described.

Carey, P.G.; Aceves, R.C.; Colella, N.J.; Williams, K.A. [Lawrence Livermore National Lab., CA (United States); Sinton, R.A. [Private Consultant, San Jose, CA (United States); Glenn, G.S. [Spectrolab, Inc., Sylmar, CA (United States)

1994-12-12T23:59:59.000Z

56

Connecting Your Solar Electric System to the Utility Grid: Better Buildings Series Solar Electric Fact Sheet  

DOE Green Energy (OSTI)

In recent years, the number of solar-powered homes connected to the local utility grid has increased dramatically. These''grid-connected'' buildings have solar electric panels or''modules'' that provide some or even most of their power, while still being connected to the local utility. This fact sheet provides information on connecting your solar electric system to the utility grid, including information on net metering.

Not Available

2002-07-01T23:59:59.000Z

57

Battery Power for Your Residential Solar Electric System: Better Buildings Series Solar Electric Fact Sheet  

NLE Websites -- All DOE Office Websites (Extended Search)

ELECTRIC ELECTRIC Battery Power for Your Residential Solar Electric System A Winning Combination-Design, Efficiency, and Solar Technology A battery bank stores electricity produced by a solar electric system. If your house is not connected to the utility grid, or if you antici- pate long power outages from the grid, you will need a battery bank. This fact sheet pro- vides an overview of battery basics, including information to help you select and maintain your battery bank. Types of Batteries There are many types of batteries avail- able, and each type is designed for specific applications. Lead-acid batteries have been used for residential solar electric systems for many years and are still the best choice for this application because of their low mainte- nance requirements and cost. You may

58

DOE Solar Decathlon: Schneider Electric  

NLE Websites -- All DOE Office Websites (Extended Search)

News News Photos Videos Product Directory Village Energy Balance Education Sponsors Sustaining - Bosch - Cisco - Edison International - Schneider Electric - Wells Fargo Supporting Contributing Resource Association History FAQs Contacts Schneider Electric Logo of Schneider Electric As a global specialist in energy management with operations in more than 100 countries, Schneider Electric offers integrated solutions across multiple market segments, including leadership positions in utilities and infrastructure, industries and machines manufacturers, nonresidential buildings, data centers and networks, and in residential buildings. Focused on making energy safe, reliable, efficient, productive, and green, the group's 140,000-plus employees achieved sales of $30.8 billion (24 billion

59

Denton Municipal Electric - GreenSense Solar Rebate Program ...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Category Solar Buying & Making Electricity Heating & Cooling Water Heating Maximum Rebate PV: 15,000 per structure Solar Water Heater: 300 per unit Program Info Start Date 0101...

60

List of Solar Thermal Electric Incentives | Open Energy Information  

Open Energy Info (EERE)

Electric Incentives Electric Incentives Jump to: navigation, search The following contains the list of 548 Solar Thermal Electric Incentives. CSV (rows 1-500) CSV (rows 501-548) Incentive Incentive Type Place Applicable Sector Eligible Technologies Active 30% Business Tax Credit for Solar (Vermont) Corporate Tax Credit Vermont Commercial Industrial Photovoltaics Solar Space Heat Solar Thermal Electric Solar Thermal Process Heat Solar Water Heat No APS - Net Metering (Arizona) Net Metering Arizona Commercial Industrial Residential Nonprofit Schools Local Government State Government Fed. Government Agricultural Institutional Solar Thermal Electric Photovoltaics Wind energy Biomass No Advanced Energy Fund (Ohio) Public Benefits Fund Ohio Commercial Industrial Institutional

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

SunShot Initiative: Deployable Commercial Rooftop Solar Electric System  

NLE Websites -- All DOE Office Websites (Extended Search)

Deployable Commercial Rooftop Deployable Commercial Rooftop Solar Electric System to someone by E-mail Share SunShot Initiative: Deployable Commercial Rooftop Solar Electric System on Facebook Tweet about SunShot Initiative: Deployable Commercial Rooftop Solar Electric System on Twitter Bookmark SunShot Initiative: Deployable Commercial Rooftop Solar Electric System on Google Bookmark SunShot Initiative: Deployable Commercial Rooftop Solar Electric System on Delicious Rank SunShot Initiative: Deployable Commercial Rooftop Solar Electric System on Digg Find More places to share SunShot Initiative: Deployable Commercial Rooftop Solar Electric System on AddThis.com... Concentrating Solar Power Photovoltaics Systems Integration Research, Development, & Demonstration Competitive Awards Solar Utility Networks: Replicable Innovations in Solar Energy

62

Solar Thermal Electric Technology in 2004  

Science Conference Proceedings (OSTI)

This report summarizes progress in the solar thermal electric (STE) industry during 2004. It addresses noteworthy policy decisions, economic considerations, and technological advances. It also provides a status report for selected key demonstrations, as well as analysis and context from EPRI experts and consultants.

2005-03-28T23:59:59.000Z

63

San Diego Solar Panels Generate Clean Electricity Along with...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

San Diego Solar Panels Generate Clean Electricity Along with Clean Water San Diego Solar Panels Generate Clean Electricity Along with Clean Water May 26, 2010 - 12:11pm Addthis San...

64

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

Adjusting for Time-Varying Production SACRAMENTO flat-rateSolar Photovoltaic Electricity Production Severin BorensteinPhotovoltaic Electricity Production Severin Borenstein 1

Borenstein, Severin

2008-01-01T23:59:59.000Z

65

Planning a Home Solar Electric System | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

solar electric systems-where your power provider essentially pays you retail price for the electricity you feed back into the grid. To help evaluate whether a home...

66

Solar power and retail electric competition in Arizona  

Science Conference Proceedings (OSTI)

Arizona`s solar portfolio standard serves a model for utilities and regulators by linking solar power and retail electric competition. Like many states, Arizona is pursuing retail electric competition as a substitute for traditional regulated monopolies. In addition the development of the competitive market is being linked with the development of solar power. Topics covered include the following: a simple solar portfolio standard; cost of the solar portfolio; feasibility of the solar portfolio standard. 4 figs., 1 tab.

Berry, D.; Williamson, R. [Arizona Corp. Commission, Phoenix, AZ (United States)

1997-03-01T23:59:59.000Z

67

Clay Electric Cooperative, Inc - Energy Smart Solar Water Heater Rebate  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clay Electric Cooperative, Inc - Energy Smart Solar Water Heater Clay Electric Cooperative, Inc - Energy Smart Solar Water Heater Rebate Program Clay Electric Cooperative, Inc - Energy Smart Solar Water Heater Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Solar Water Heating Maximum Rebate $600 Program Info State Florida Program Type Utility Rebate Program Rebate Amount 0.01 per BTU output Provider Clay Electric Co-op Clay Electric Cooperative (CEC) provides a rebate of $0.01 per BTU output to its residential members when they purchase qualified solar water heaters. This rebate is capped at 60,000 BTUs per system, or $600. Eligible solar water heaters can be either passive or active systems. The proposed solar system must meet Florida Solar Energy Center (FSEC) specifications and be installed by a contractor certified to install solar water heating

68

Tampa Electric - Solar Rebate Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Tampa Electric - Solar Rebate Program Tampa Electric - Solar Rebate Program Tampa Electric - Solar Rebate Program < Back Eligibility Commercial Industrial Residential Savings Category Solar Buying & Making Electricity Heating & Cooling Water Heating Maximum Rebate PV: $20,000 Solar water heating: $1,000 per system Program Info Start Date 4/18/2011 Expiration Date 12/31/2015 State Florida Program Type Utility Rebate Program Rebate Amount PV: $2.00 per watt Solar water heating: $1,000 per system Provider Tampa Electric '''''Note: Of the $1.5 million budgeted for this program annually, $500,000 is reserved for solar water heating, and $1 million is reserved for PV systems. All funds have been committed for Solar PV systems at this time. Tampa Electric is scheduled to reopen the rebate program to new application

69

Lakeland Electric - Solar Water Heating Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Lakeland Electric - Solar Water Heating Program Lakeland Electric - Solar Water Heating Program Lakeland Electric - Solar Water Heating Program < Back Eligibility Residential Savings Category Heating & Cooling Solar Water Heating Program Info Start Date June 2010 State Florida Program Type Other Incentive Provider Lakeland Electric Lakeland Electric, a municipal utility in Florida, is the nation's first utility to offer solar-heated domestic hot water on a "pay-for-energy" basis. The utility has contracted with a solar equipment vendor, Regenesis Lakeland, LLC, to install solar water heaters on participating customers' homes. Lakeland Electric bills the customer $34.95 per month regardless of use. Each solar heater is metered and equipped with a heating element timer as a demand management feature. The $34.95 monthly charge is a bulk energy

70

American Solar Electric Inc | Open Energy Information  

Open Energy Info (EERE)

American Solar Electric Inc American Solar Electric Inc Place Scottsdale, Arizona Zip 85251 Product US installer of residential, commercial and industrial PV systems. Coordinates 33.494°, -111.920694° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":33.494,"lon":-111.920694,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

71

Solar Energy Sources SES Solar Inc formerly Electric Network com | Open  

Open Energy Info (EERE)

Sources SES Solar Inc formerly Electric Network com Sources SES Solar Inc formerly Electric Network com Jump to: navigation, search Name Solar Energy Sources - SES Solar Inc (formerly Electric Network.com) Place Vancouver, British Columbia, Canada Zip V6G 2Z6 Sector Solar Product Intends to design, engineer, produce and install PV modules, and has developed a new assembly technology for solar panels that it believes will allow for higher quality electrical contacts. References Solar Energy Sources - SES Solar Inc (formerly Electric Network.com)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Solar Energy Sources - SES Solar Inc (formerly Electric Network.com) is a company located in Vancouver, British Columbia, Canada .

72

Hybrid Wind and Solar Electric Systems | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Hybrid Wind and Solar Electric Systems Hybrid Wind and Solar Electric Systems Hybrid Wind and Solar Electric Systems July 2, 2012 - 8:21pm Addthis Because the peak operating times for wind and solar systems occur at different times of the day and year, hybrid systems are more likely to produce power when you need it. Because the peak operating times for wind and solar systems occur at different times of the day and year, hybrid systems are more likely to produce power when you need it. How does it work? A small "hybrid" electric system that combines wind and solar technologies can offer several advantages over either single system. According to many renewable energy experts, a small "hybrid" electric system that combines home wind electric and home solar electric (photovoltaic or PV) technologies offers several advantages over either

73

Solar Electric Light Company SELCO | Open Energy Information  

Open Energy Info (EERE)

Light Company SELCO Light Company SELCO Jump to: navigation, search Name Solar Electric Light Company (SELCO) Place Bangalore, Karnataka, India Zip 560078 Sector Services, Solar Product Solar Electric Light Company (SELCO) manufactures photovoltaic products and services targeted especially at end consumers in developing countries who have no access to land electricity. References Solar Electric Light Company (SELCO)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Solar Electric Light Company (SELCO) is a company located in Bangalore, Karnataka, India . References ↑ "Solar Electric Light Company (SELCO)" Retrieved from "http://en.openei.org/w/index.php?title=Solar_Electric_Light_Company_SELCO&oldid=35125

74

Solar Total Energy System, Large Scale Experiment, Shenandoah, Georgia. Final technical progress report. Volume III. Appendix. [1. 72 MW thermal and 383. 6 kW electric power for 42,000 ft/sup 2/ knitwear plant  

DOE Green Energy (OSTI)

This is the appendix to the Stearns-Roger Engineering Company conceptual design report on ERDA's Large Scale Experiment No. 2 (LSE No. 2). The object of this LSE is to design, construct, test, evaluate and operate a STES for the purpose of obtaining experience with large scale hardware systems and to establish engineering capability for subsequent demonstration projects. This particular LSE is to be located at Shenandoah, Georgia, and will provide power to the Bleyle knitwear factory. Under this contract Stearns-Roger developed a conceptual design, which was site specific, containing the following major elements: System Requirements Analysis, Site Description, System Conceptual Design, Conceptual Test and Operating Plans, Development Plans, Procurement and Management Plans for Subsequent Phases, and Cost Estimates. The Solar Total Energy system is sized to supply 1.720 MW thermal power and 383.6 KW electrical power. The STES is sized for the extended knitwear plant of 3902 M/sup 2/ (42,000 sq-ft) which will eventually employ 300 people. Drawings, tables, and data sheets are included on hourly temperatures, displacement, utility rates, power conversion system, seasonal design load summary, average collector temperature optimization study, system operating temperature optimization study, power conversion system seasonal performance, thermal storage/fluid loop, system integration, and cost estimates. (WHK)

None,

1977-10-17T23:59:59.000Z

75

Assessment of generic solar thermal systems for large power applications: analysis of electric power generating costs for systems larger than 10 MWe  

DOE Green Energy (OSTI)

Seven generic types of collectors, together with associated subsystems for electric power generation, were considered. The collectors can be classified into three categories: (1) two-axis tracking (with compound-curvature reflecting surfaces); (2) one-axis tracking (with single-curvature reflecting surfaces); and (3) nontracking (with low-concentration reflecting surfaces). All seven collectors were analyzed in conceptual system configurations with Rankine-cycle engines. In addition, two of the collectors were analyzed with Brayton-cycle engines, and one was analyzed with a Stirling-cycle engine. With these engine options, and the consideration of both thermal and electrical storage for the Brayton-cycle central receiver, 11 systems were formulated for analysis. Conceptual designs developed for the 11 systems were based on common assumptions of available technology in the 1990 to 2000 time frame. No attempt was made to perform a detailed optimization of each conceptual design. Rather, designs best suited for a comparative evaluation of the concepts were formulated. Costs were estimated on the basis of identical assumptions, ground rules, methodologies, and unit costs of materials and labor applied uniformly to all of the concepts. The computer code SOLSTEP was used to analyze the thermodynamic performance characteristics and energy costs of the 11 concepts. Year-long simulations were performed using meteorological and insolation data for Barstow, California. Results for each concept include levelized energy costs and capacity factors for various combinations of storage capacity and collector field size.

Apley, W.J.; Bird, S.P.; Brown, D.R.; Drost, M.K.; Fort, J.A.; Garrett-Price, B.A.; Patton, W.P.; Williams, T.A.

1980-11-01T23:59:59.000Z

76

Gravitating Dyons with Large Electric Charge  

E-Print Network (OSTI)

We consider non-Abelian dyons in Einstein-Yang-Mills-Higgs theory. The dyons are spherically symmetric with unit magnetic charge. For large values of the electric charge the dyons approach limiting solutions, related to the Penney solutions of Einstein-Maxwell-scalar theory.

Rustam Ibadov; Burkhard Kleihaus; Jutta Kunz; Ulrike Neemann

2007-09-03T23:59:59.000Z

77

EWEB - Solar Electric Program (Performance-Based Incentive) | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EWEB - Solar Electric Program (Performance-Based Incentive) EWEB - Solar Electric Program (Performance-Based Incentive) EWEB - Solar Electric Program (Performance-Based Incentive) < Back Eligibility Agricultural Commercial Industrial Institutional Local Government Nonprofit Residential Schools State Government Savings Category Solar Buying & Making Electricity Program Info Start Date 1/25/2008 State Oregon Program Type Performance-Based Incentive Rebate Amount $0.0856/kWh for 10 years (subject to annual review) Provider Eugene Water and Electric Board The Eugene Water and Electric Board's (EWEB) Solar Electric Program offers financial incentives for residential and commercial customers who generate electricity using solar photovoltaic (PV) systems. [dsireusa.org/incentives/incentive.cfm?Incentive_Code=OR101F&re=0&ee=0

78

Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

1 March 2005 Abstract: Solar PV panels generate electricityhigh. Thus, a valuation of solar PV electricity productionbene?ts to many owners of solar PV in reduced electricity

Borenstein, Severin

2005-01-01T23:59:59.000Z

79

Parallel Electric Field Spectrum of Solar Wind Turbulence  

E-Print Network (OSTI)

By searching through more than 10 satellite-years of THEMIS and Cluster data, three reliable examples of parallel electric field turbulence in the undisturbed solar wind have been found. The perpendicular and parallel electric field spectra in these examples have similar shapes and amplitudes, even at large scales (frequencies below the ion gyroscale) where Alfvenic turbulence with no parallel electric field component is thought to dominate. The spectra of the parallel electric field fluctuations are power laws with exponents near -5/3 below the ion scales (~ 0.1 Hz), and with a flattening of the spectrum in the vicinity of this frequency. At small scales (above a few Hz), the spectra are steeper than -5/3 with values in the range of -2.1 to -2.8. These steeper slopes are consistent with expectations for kinetic Alfven turbulence, although their amplitude relative to the perpendicular fluctuations is larger than expected.

Mozer, F S

2013-01-01T23:59:59.000Z

80

Solar Two is a concentrating solar power plant that can supply electric power "on demand"  

E-Print Network (OSTI)

Solar Two is a concentrating solar power plant that can supply electric power "on demand time ever, a utility-scale solar power plant can supply elec- tricity when the utility needs it most achievement. The design is based on lessons learned at Solar One, this country's first power tower. Solar One

Laughlin, Robert B.

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

NREL Webinar: Treatment of Solar Generation in Electric Utility Resource  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

NREL Webinar: Treatment of Solar Generation in Electric Utility NREL Webinar: Treatment of Solar Generation in Electric Utility Resource Planning NREL Webinar: Treatment of Solar Generation in Electric Utility Resource Planning January 14, 2014 2:00PM to 3:00PM EST Online Today's utility planners have a different market and economic context than their predecessors, including planning for the growth of renewable energy. State and federal support policies, solar photovoltaic (PV) price declines, and the introduction of new business models for solar PV "ownership" are leading to increasing interest in solar technologies, especially PV. In this free webinar, you will hear how utilities are incorporating solar generation into their resource planning processes. Analysts from the National Renewable Energy Laboratory (NREL) and the Solar Electric Power

82

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

by low price caps, the di?erence between solar PV powersolar PV power using hourly wholesale electricity prices and5. Real-time Prices for Valuing the Power from Solar PVs As

Borenstein, Severin

2008-01-01T23:59:59.000Z

83

Regional Per Capita Solar Electric Footprint for the United States  

SciTech Connect

In this report, we quantify the state-by-state per-capita 'solar electric footprint' for the United States. We use state-level data on population, electricity consumption, economic activity and solar insolation, along with solar photovoltaic (PV) array packing density data to develop a range of estimates of the solar electric footprint. We find that the solar electric footprint, defined as the land area required to supply all end-use electricity from solar photovoltaics, is about 181 m2 per person in the United States. Two key factors that influence the magnitude of the state-level solar electric footprint include how industrial energy is allocated (based on location of use vs. where goods are consumed) and the assumed distribution of PV configurations (flat rooftop vs. fixed tilt vs. tracking). The solar electric footprint is about 0.6% of the total land area of the United States with state-level estimates ranging from less than 0.1% for Wyoming to about 9% for New Jersey. We also compare the solar electric footprint to a number of other land uses. For example, we find that the solar electric footprint is equal to less than 2% of the land dedicated to cropland and grazing in the United States.

Denholm, P.; Margolis, R.

2007-12-01T23:59:59.000Z

84

Regional Per Capita Solar Electric Footprint for the United States  

DOE Green Energy (OSTI)

In this report, we quantify the state-by-state per-capita 'solar electric footprint' for the United States. We use state-level data on population, electricity consumption, economic activity and solar insolation, along with solar photovoltaic (PV) array packing density data to develop a range of estimates of the solar electric footprint. We find that the solar electric footprint, defined as the land area required to supply all end-use electricity from solar photovoltaics, is about 181 m2 per person in the United States. Two key factors that influence the magnitude of the state-level solar electric footprint include how industrial energy is allocated (based on location of use vs. where goods are consumed) and the assumed distribution of PV configurations (flat rooftop vs. fixed tilt vs. tracking). The solar electric footprint is about 0.6% of the total land area of the United States with state-level estimates ranging from less than 0.1% for Wyoming to about 9% for New Jersey. We also compare the solar electric footprint to a number of other land uses. For example, we find that the solar electric footprint is equal to less than 2% of the land dedicated to cropland and grazing in the United States.

Denholm, P.; Margolis, R.

2007-12-01T23:59:59.000Z

85

Denton Municipal Electric - GreenSense Solar Rebate Program ...  

Open Energy Info (EERE)

must contact the DME GreenSense Program Manager for details Equipment Requirements Solar Water Heaters must preheat water for a permanently installed electric water heater...

86

Property Tax Abatement for Solar Electric Systems | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2008, North Carolina enacted legislation that exempts 80% of the appraised value of a "solar energy electric system" (also known as a photovoltaic, or PV, system) from property...

87

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

are a form of distributed generation. The current directPV. As a form of distributed generation, solar PV is alsoprovisions for distributed generation. hour when electricity

Borenstein, Severin

2008-01-01T23:59:59.000Z

88

Atsun Solar Electric Technology Co Ang Li Tiansheng | Open Energy...  

Open Energy Info (EERE)

Co (Ang Li Tiansheng) Place Zaozhuang, Shandong Province, China Product Chinese PV cell and module maker. References Atsun Solar Electric Technology Co (Ang Li Tiansheng)1...

89

Parabolic Trough Solar Thermal Electric Power Plants (Fact Sheet)  

DOE Green Energy (OSTI)

This fact sheet provides an overview of the potential for parabolic trough solar thermal electric power plants, especially in the Southwestern U.S.

Not Available

2006-07-01T23:59:59.000Z

90

Hybrid Wind and Solar Electric Systems | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

-- not connected to an electricity distribution system. For the times when neither the wind nor the solar system are producing, most hybrid systems provide power through...

91

Thermoelectrics Combined with Solar Concentration for Electrical and Thermal Cogeneration.  

E-Print Network (OSTI)

??A solar tracker and concentrator was designed and assembled for the purpose of cogeneration of thermal power and electrical power using thermoelectric technology. A BiTe (more)

Jackson, Philip Robert

2012-01-01T23:59:59.000Z

92

Gainesville Regional Utilities - Solar-Electric (PV) System Rebate Program  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Gainesville Regional Utilities - Solar-Electric (PV) System Rebate Gainesville Regional Utilities - Solar-Electric (PV) System Rebate Program Gainesville Regional Utilities - Solar-Electric (PV) System Rebate Program < Back Eligibility Residential Savings Category Solar Buying & Making Electricity Maximum Rebate $5,000 Program Info Start Date 10/1/2010 State Florida Program Type Utility Rebate Program Rebate Amount Solar window of 80% or more: $1.00/watt Provider Gainesville Regional Utilities '''''NOTE: Application targets for fiscal year 2013 have been met for the GRU Solar PV Rebate Program. The next round of applications are scheduled to open on October 1, 2013 pending approval of the GRU budget by the Gainesville City Commission.''''' Gainesville Regional Utilities (GRU) offers its customers a rebate to install photovoltaic (PV) systems. Systems with solar windows of 80% or

93

Linn County Rural Electric Cooperative - Solar Water Heater Rebate Program  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Linn County Rural Electric Cooperative - Solar Water Heater Rebate Linn County Rural Electric Cooperative - Solar Water Heater Rebate Program Linn County Rural Electric Cooperative - Solar Water Heater Rebate Program < Back Eligibility Agricultural Commercial Residential Savings Category Heating & Cooling Solar Water Heating Program Info State Iowa Program Type Utility Rebate Program Rebate Amount $500 Provider Linn County Rural Electric Cooperative Association Linn County Rural Electric Cooperative Association (Linn County RECA) is a member-owned cooperative. To encourage energy efficiency, Linn County offers a number of rebates to commercial, residential, and agricultural customers. Owners of both new construction and existing buildings are eligible for a $500 rebate for solar water heaters. The water heaters must have an auxiliary tank of at least 40 gallons and the solar water heater

94

Multilevel converters for large electric drives  

SciTech Connect

Traditional two-level high frequency pulse width modulation (PWM) inverters for motor drives have several problems associated with their high frequency switching which produces common-mode voltage and high voltage change (dV/dt) rates to the motor windings. Multilevel inverters solve these problems because their devices can switch at a much lower frequency. Two different multilevel topologies are identified for use as a converter for electric drives, a cascade inverter with separate dc sources and a back-to-back diode clamped converter. The cascade inverter is a natural fit for large automotive all electric drives because of the high VA ratings possible and because it uses several levels of dc voltage sources which would be available from batteries or fuel cells. The back to back diode damped converter is ideal where a source of ac voltage is available such as a hybrid electric vehicle. Simulation and experimental results show the superiority of these two converters over PWM based drives.

Tolbert, L.M.; Peng, F.Z.

1997-11-01T23:59:59.000Z

95

Implementations of electric vehicle system based on solar energy in Singapore : assessment of solar photovoltaic systems  

E-Print Network (OSTI)

To evaluate the feasibility of solar energy based Electric Vehicle Transportation System in Singapore, the state of the art Photovoltaic Systems have been reviewed in this report with a focus on solar cell technologies. ...

Sun, Li

2009-01-01T23:59:59.000Z

96

Electric Field Perturbations in Terrestrial Clouds and Solar Flare Events  

Science Conference Proceedings (OSTI)

Atmospheric electrical data taken on 3744 m high Niwot Ridge, Colorado, during 1966, 1967 and 1968 are reexamined for evidence of a solar-weather link between the earths electric field and solar flare events. The onset of the response of the ...

Doyne Sartor

1980-04-01T23:59:59.000Z

97

Silicon Valley Power - Solar Electric Buy Down Program | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Electric Buy Down Program Solar Electric Buy Down Program Silicon Valley Power - Solar Electric Buy Down Program < Back Eligibility Commercial Residential Savings Category Solar Buying & Making Electricity Maximum Rebate Residential: $20,000 Program Info State California Program Type Utility Rebate Program Rebate Amount Incentives step down over time as installed capacity goals are met. Check program web site for current incentive level. '''Rebate levels as of 9/20/12:''' Residential: $2.00/watt AC Commercial (up to 100 kW): $1.10/watt AC Commercial (>100 kW to 1 MW): $0.15/kWh for 5 years Provider Silicon Valley Power Silicon Valley Power (SVP) offers incentives for the installation of new grid-connected solar electric (photovoltaic, or PV) systems. Incentive levels will step down over the life of the program as certain installed

98

Valley Electric Association - Solar Water Heating Program | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Valley Electric Association - Solar Water Heating Program Valley Electric Association - Solar Water Heating Program Valley Electric Association - Solar Water Heating Program < Back Eligibility Residential Savings Category Heating & Cooling Solar Water Heating Program Info State Nevada Program Type Utility Loan Program Provider Valley Electric Association Valley Electric Association (VEA), a nonprofit member owned cooperative, developed the domestic solar water heating program to encourage energy efficiency at the request of the membership. VEA partnered with Great Basin College to train and certify installers, creating jobs in the community, and also with Rheem Manufacturing and a local licensed contractor to install the units. A site visit is performed to determine the best installation and system design for each member. Members have the option of

99

Madison Gas and Electric - Clean Power Partner Solar Buyback Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Madison Gas and Electric - Clean Power Partner Solar Buyback Madison Gas and Electric - Clean Power Partner Solar Buyback Program Madison Gas and Electric - Clean Power Partner Solar Buyback Program < Back Eligibility Agricultural Commercial Industrial Institutional Local Government Nonprofit Residential Schools State Government Savings Category Solar Buying & Making Electricity Program Info Start Date 03/06/2007 (systems installed prior to this date do not qualify) State Wisconsin Program Type Performance-Based Incentive Rebate Amount $0.25/kWh Provider Madison Gas and Electric '''''The Clean Power Partners Program has reached the 1 MW cap. Applicants can be placed on a waiting list or participate in MGE's [http://www.mge.com/Home/rates/cust_gen.htm net metering program].''''' Customer-generators enrolled in the Madison Gas and Electric (MGE) green

100

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

Policies In The Solar Electricity Sector: Lessons for Indiaissues in the energy and electricity sectors. Activitiesand improve access to electricity where the electric grid is

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Application of field-modulated generator systems to dispersed solar thermal electric generation  

DOE Green Energy (OSTI)

A Parabolic Dish-Electric Transport concept for dispersed solar thermal generation is considered. In this concept the power generated by 15 kWe Solar Generation Units is electrically collected in a large plant. Various approaches are possible for the conversion of mechanical shaft output of the heat engines to electricity. This study focuses on the Application of Field Modulated Generation System (FMGS) for that purpose. Initially the state-of-the-art of FMGS is presented, and the application of FMGS to dispersed solar thermal electric generation is investigated. This is followed by the definition of the control and monitoring requirements for solar generation system. Then comparison is made between FMGS approach and other options. Finally, the technology developmental needs are identified.

Ramakumar, R.; Bahrami, K.

1979-08-15T23:59:59.000Z

102

Own Your Power! A Consumer Guide to Solar Electricity for the Home (Brochure)  

DOE Green Energy (OSTI)

A consumer guide about solar electricity for the home. Includes information about types of solar electric systems, how to choose a system, financing, and costs.

Not Available

2009-01-01T23:59:59.000Z

103

Own Your Power! A Consumer Guide to Solar Electricity for the Home  

DOE R&D Accomplishments (OSTI)

A consumer guide about solar electricity for the home. Includes information about types of solar electric systems, how to choose a system, financing, and costs.

2009-01-00T23:59:59.000Z

104

Promise of Solar Energy is Boundless: A Smarter Electric Grid Delivers on that Promise  

Science Conference Proceedings (OSTI)

This brochure summarizes the benefits of a smart electric grid, the Solar Program's Solar Energy Grid Intergration Systems efforts, and the Office of Electricity's "The Smart Grid" booklet.

Not Available

2008-10-01T23:59:59.000Z

105

Roseville Electric - Solar Rebate Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Rebate Program Solar Rebate Program Roseville Electric - Solar Rebate Program < Back Eligibility Commercial Residential Savings Category Solar Buying & Making Electricity Program Info Funding Source Public Benefits Fund State California Program Type Utility Rebate Program Rebate Amount Systems less than 10 kW: $0.80/watt Systems 10 kW up to 100 kW: Performance-based incentive; length of contract and $/kWh amount vary based on system size. Provider Roseville Electric '''''Note: Incentive amounts offered through this program will step down over time based on participation rates. See website above for the most recent incentive details. ''''' Roseville Electric has implemented solar rebate programs in order to meet the three statewide goals in [http://dsireusa.org/incentives/incentive.cfm?Incentive_Code=CA134F&re=1&...

106

EWEB - Solar Electric Program (Rebate) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EWEB - Solar Electric Program (Rebate) EWEB - Solar Electric Program (Rebate) EWEB - Solar Electric Program (Rebate) < Back Eligibility Agricultural Commercial Fed. Government Industrial Institutional Local Government Nonprofit Residential Schools State Government Savings Category Solar Buying & Making Electricity Maximum Rebate Residential net-metered systems: $6,000; Commercial net-metered systems: 20,000 Program Info Start Date 1/25/2008 State Oregon Program Type Utility Rebate Program Rebate Amount Residential net-metered systems: $1.70/W-AC; Commercial net-metered systems: 1.00/W-AC Provider Eugene Water and Electric Board '''''Note: EWEB is no longer accepting applications for 2012 incentives. Information regarding 2013 incentives will be available in late December 2012 on the program web site. '''''

107

Installing and Maintaining a Home Solar Electric System | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Installing and Maintaining a Home Solar Electric System Installing and Maintaining a Home Solar Electric System Installing and Maintaining a Home Solar Electric System July 2, 2012 - 8:21pm Addthis When choosing a contractor, ask about their work record, experience, and licenses, and get more than one bid for the installation of your PV system. | Photo courtesy of Dennis Schroeder, NREL. When choosing a contractor, ask about their work record, experience, and licenses, and get more than one bid for the installation of your PV system. | Photo courtesy of Dennis Schroeder, NREL. How does it work? Making sure your home solar electric or PV system is sized, sited, and installed correctly is essential for maximizing its energy performance. As with any mechanical or electrical appliance, PV systems require routine, periodic maintenance.

108

Installing and Maintaining a Home Solar Electric System | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Installing and Maintaining a Home Solar Electric System Installing and Maintaining a Home Solar Electric System Installing and Maintaining a Home Solar Electric System July 2, 2012 - 8:21pm Addthis When choosing a contractor, ask about their work record, experience, and licenses, and get more than one bid for the installation of your PV system. | Photo courtesy of Dennis Schroeder, NREL. When choosing a contractor, ask about their work record, experience, and licenses, and get more than one bid for the installation of your PV system. | Photo courtesy of Dennis Schroeder, NREL. How does it work? Making sure your home solar electric or PV system is sized, sited, and installed correctly is essential for maximizing its energy performance. As with any mechanical or electrical appliance, PV systems require routine, periodic maintenance.

109

Solar Power and the Electric Grid, Energy Analysis (Fact Sheet)  

DOE Green Energy (OSTI)

In today's electricity generation system, different resources make different contributions to the electricity grid. This fact sheet illustrates the roles of distributed and centralized renewable energy technologies, particularly solar power, and how they will contribute to the future electricity system. The advantages of a diversified mix of power generation systems are highlighted.

Not Available

2010-03-01T23:59:59.000Z

110

Author's personal copy Solar modulation in surface atmospheric electricity  

E-Print Network (OSTI)

Author's personal copy Solar modulation in surface atmospheric electricity R. Giles Harrison a is the major source of air's electrical conductivity over the oceans and well above the continents atmospheric electrical circuit, including the local vertical current density and the related surface potential

Usoskin, Ilya G.

111

Role of Large Balancing Areas In Integrating Solar Generation: Solar Integration Series. 3 of 3 (Brochure)  

DOE Green Energy (OSTI)

The third out of a series of three fact sheets describing the role of large balancing areas in integrating solar generation.

Not Available

2011-05-01T23:59:59.000Z

112

Great River Energy (28 Member Cooperatives) - Solar-Electric...  

Open Energy Info (EERE)

member cooperative utilities* offer a rebate of 2,000 per kilowatt for grid-connected solar-electric (PV) systems, with a maximum award of 4,000 per customer. For...

113

Wind and solar power electric generation to see strong growth...  

U.S. Energy Information Administration (EIA) Indexed Site

by roughly 30 percent in each of the next two years. Even with such strong growth, the amount of solar energy will remain a very small part of the total U.S. electricity supply...

114

Environmental Energy Technologies Division Electricity Markets and Policy Group Supporting Solar Power in  

E-Print Network (OSTI)

Environmental Energy Technologies Division Electricity Markets and Policy Group Supporting Solar the impact of RPS policies on solar growth 2 #12;Environmental Energy Technologies Division Electricity by: the Office of Energy Efficiency and Renewable Energy (Solar Energy Technologies Program

115

Ecosystem Solar Electric Corp aka Solar MW Energy Inc | Open Energy  

Open Energy Info (EERE)

Solar Electric Corp aka Solar MW Energy Inc Solar Electric Corp aka Solar MW Energy Inc Jump to: navigation, search Name Ecosystem Solar Electric Corp, aka Solar MW Energy Inc Place Ontario, California Zip 91761 Product Plans to develop STEG plants in the Mojave desert. Coordinates 34.06457°, -117.647809° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":34.06457,"lon":-117.647809,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

116

AET Solar formerly solar division of GGAM Electrical Services | Open Energy  

Open Energy Info (EERE)

Solar formerly solar division of GGAM Electrical Services Solar formerly solar division of GGAM Electrical Services Jump to: navigation, search Name AET Solar (formerly solar division of GGAM Electrical Services) Place Limassol, Cyprus Product Cypriot subsidiary of AET. Coordinates 34.683338°, 33.051109° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":34.683338,"lon":33.051109,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

117

Electrical Modeling of Polymer Solar Cell  

Science Conference Proceedings (OSTI)

A numerical model to predict the current-voltage curves of bilayer polymer solar cell. The model includes drift and diffusion currents, injection and extraction at...

118

A solar array module fabrication process for HALE solar electric UAVs  

SciTech Connect

We describe a fabrication process to manufacture high power to weight ratio flexible solar array modules for use on high altitude long endurance (HALE) solar electric unmanned air vehicles (UAVs). A span-loaded flying wing vehicle, known as the RAPTOR Pathfinder, is being employed as a flying test bed to expand the envelope of solar powered flight to high altitudes. It requires multiple light weight flexible solar array modules able to endure adverse environmental conditions. At high altitudes the solar UV flux is significantly enhanced relative to sea level, and extreme thermal variations occur. Our process involves first electrically interconnecting solar cells into an array followed by laminating them between top and bottom laminated layers into a solar array module. After careful evaluation of candidate polymers, fluoropolymer materials have been selected as the array laminate layers because of their inherent abilities to withstand the hostile conditions imposed by the environment.

Carey, P.G.; Aceves, R.C.; Colella, N.J.; Thompson, J.B.; Williams, K.A.

1993-12-01T23:59:59.000Z

119

SEPCO - Solar Electric Power Company | Open Energy Information  

Open Energy Info (EERE)

SEPCO - Solar Electric Power Company SEPCO - Solar Electric Power Company Jump to: navigation, search Logo: SEPCO - Solar Electric Power Company Name SEPCO - Solar Electric Power Company Address 1521 SE Palm Court Place Stuart, Florida Zip 34994 Sector Solar Product Commercial Solar Lighting & Off Grid Solar Power Systems Year founded 1994 Number of employees 11-50 Company Type For Profit Phone number 772-220-6615 Website http://www.sepco-solarlighting Coordinates 27.170937°, -80.232438° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":27.170937,"lon":-80.232438,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

120

Solar Total Energy System, Large Scale Experiment, Shenandoah, Georgia. Final technical progress report. Volume II, Section 3. Facility concept design. [1. 72 MW thermal and 383. 6 kW electric power for 42,000 ft/sup 2/ knitwear plant  

DOE Green Energy (OSTI)

The Stearns-Roger Engineering Company conceptual design of ERDA's Large Scale Experiment No. 2 (LSE No. 2) is presented. The various LSEs are part of ERDA's Solar Total Energy Program (STES) and a separate activity of the National Solar Thermal Power Systems Program. The object of this LSE is to design, construct, test, evaluate and operate a STES for the purpose of obtaining experience with large scale hardware systems and to establish engineering capability for subsequent demonstration projects. This particular LSE is to be located at Shenandoah, Georgia, and will provide power to the Bleyle knitwear factory. The Solar Total Energy system is sized to supply 1.720 MW thermal power and 383.6 KW electrical power. The STES is sized for the extended knitwear plant of 3902 M/sup 2/ (42,000 sq-ft) which will eventually employ 300 people. The details of studies conducted for Phase II of the Solar Total Energy System (STES) for the conceptual design requirements of the facility are presented. Included in this section are the detailed descriptions and analyses of the following subtasks: facility concept design, system concept design, performance analysis, operation plan, component and subsystem development, procurement plan, cost estimating and scheduling, and technical and management plans. (WHK)

None,

1977-10-17T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Solar Total Energy System: Large Scale Experiment, Shenandoah, Georgia. Final technical progress report. Volume I. Section 1. Conclusions and recommendations. Section 2. Systems requirements. [1. 72-MW thermal and 383. 6-kW electric power for 42,000 ft/sup 2/ knitwear plant  

DOE Green Energy (OSTI)

The Stearns-Roger Engineering Company conceptual design of ERDA's Large Scale Experiment No. 2 (LSE No. 2) is described. The various LSE's are part of ERDA's Solar Total Energy Program (STES) and a separate activity of the National Solar Thermal Power Systems Program. The object of this LSE is to design, construct, test, evaluate and operate a STES for the purpose of obtaining experience with large scale hardware systems and to establish engineering capability for subsequent demonstration projects. This particular LSE is to be located at Shenandoah, Georgia and will provide power to the Bleyle knitwear factory. The Solar Total Energy system is sized to supply 1.720 MW thermal power (both space heating and process heat) and 383.6 KW electrical power. The STES is sized for the extended knitwear plant of 3902 M/sup 2/ (42,000 sq-ft) which will eventually employ 300 people. The section on conclusions and recommendations described the baseline design recommendation, facility requirements, the solar system, power conversion system, schedules and cost, and additional candidate systems. The systems requirements analysis includes detailed descriptions and analyses of the following subtasks: load analysis, energy displacement, local laws and ordinances, life cycle cost, health and safety, environmental assessment, reliability assessment, and utility interface. (WHK)

None,

1977-10-17T23:59:59.000Z

122

Treatment of Solar Generation in Electric Utility Resource Planning  

NLE Websites -- All DOE Office Websites (Extended Search)

Treatment of Solar Generation Treatment of Solar Generation in Electric Utility Resource Planning John Sterling Solar Electric Power Association Joyce McLaren National Renewable Energy Laboratory Mike Taylor Solar Electric Power Association Karlynn Cory National Renewable Energy Laboratory Technical Report NREL/TP-6A20-60047 October 2013 NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency & Renewable Energy Operated by the Alliance for Sustainable Energy, LLC This report is available at no cost from the National Renewable Energy Laboratory (NREL) at www.nrel.gov/publications. Contract No. DE-AC36-08GO28308 National Renewable Energy Laboratory 15013 Denver West Parkway Golden, CO 80401 303-275-3000 * www.nrel.gov

123

The Induced Electric Field Distribution in Solar Atmosphere  

E-Print Network (OSTI)

A method of calculating induced electric field is presented in this paper. Induced electric field in solar atmosphere is derived by the time variation of magnetic field when the charged particle accumulation is neglected. In order to get the spatial distribution of magnetic field, several extrapolation methods are introduced. With observational data from Helioseismic and Magnetic Imager (HMI) aboard the NASA's Solar Dynamics Observatory (SDO) on May 20th, 2010, we extrapolate the magnetic field to the upper atmosphere from the photosphere. By calculating the time variation of magnetic field, we can get the induced electric field. The derived induced electric field can reach a value of 100 V/cm and the average electric field has a maximum point at the layer of 360 km above the photosphere. The Monte Carlo statistics method is used to compute the triple integration of induced electric field.

Chen, Rong; Deng, Yuanyong

2013-01-01T23:59:59.000Z

124

Own Your Power! A Consumer Guide to Solar Electricity for the Home (Brochure)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Consumer Guide to Solar Electricity for the Home Consumer Guide to Solar Electricity for the Home Own Your Power! Contents Benefits of Solar Electricity . . . . . . . . . . . . . . . . . . . 1 Solar Electricity Basics . . . . . . . . . . . . . . . . . . . . . . . 2 Types of Solar Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Types of Solar Electric Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Power Produced by a Solar Electric System . . . . . . . . . . . . . . . . . . . . . . 5 How To Choose a System . . . . . . . . . . . . . . . . . . . . . 6 Roof Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Installation and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Costs and Financial Incentives . . . . . . . . . . . . . . . . . 10 Purchasing Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Financing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 About this guide: The U .S . Department of Energy (DOE) receives numerous inquiries each year

125

Central Electric Cooperative - Solar Rebates (Oregon) | Open...  

Open Energy Info (EERE)

the system cost) is not awarded until CEC inspects the completed system. CEC also has a solar photovoltaic (PV) rebate program for net metered installations. If a system 25...

126

Solar cycle variations of large scale flows in the Sun  

E-Print Network (OSTI)

Using data from the Michelson Doppler Imager (MDI) instrument on board the Solar and Heliospheric Observatory (SOHO), we study the large-scale velocity fields in the outer part of the solar convection zone using the ring diagram technique. We use observations from four different times to study possible temporal variations in flow velocity. We find definite changes in both the zonal and meridional components of the flows. The amplitude of the zonal flow appears to increase with solar activity and the flow pattern also shifts towards lower latitude with time.

Sarbani Basu; H. M. Antia

2000-01-17T23:59:59.000Z

127

Implementations of electric vehicle system based on solar energy in Singapore assessment of solar thermal technologies  

E-Print Network (OSTI)

To build an electric car plus renewable energy system for Singapore, solar thermal technologies were investigated in this report in the hope to find a suitable "green" energy source for this small island country. Among all ...

Liu, Xiaogang, M. Eng. Massachusetts Institute of Technology

2009-01-01T23:59:59.000Z

128

Solar Power in the Desert: Are the current large-scale solar developments really improving Californias environment?  

E-Print Network (OSTI)

D EVELOPMENT I SSUES Solar Power in the Desert: Are the2 Most of the large-scale solar power projects utilize largethat will be affected by solar power facilities. There are

Allen, Michael F.; McHughen, Alan

2011-01-01T23:59:59.000Z

129

Improved Electrical Load Match In California By Combining Solar Thermal Power Plants with Wind Farms  

DOE Green Energy (OSTI)

California with its hydro, geothermal, wind, and solar energy is the second largest producer of renewable electricity in the United States (Washington state is the largest producer of renewable energy electricity due to high level of hydro power). Replacing fossil fuel electrical generation with renewable energy electrical generation will decrease the release of carbon dioxide into the atmosphere which will slow down the rapid increase in global warming (a goal of the California state government). However, in order for a much larger percentage of the total electrical generation in California to be from renewable energies like wind and solar, a better match between renewable energy generation and utility electrical load is required. Using wind farm production data and predicted production from a solar thermal power plant (with and without six hours of storage), a comparison was made between the renewable energy generation and the current utility load in California. On a monthly basis, wind farm generated electricity at the three major wind farm areas in California (Altamont Pass, east of San Francisco Bay area; Tehachapi Pass in the high desert between Tehachapi and Mojave; and San Gorgonio Pass in the low desert near Palm Springs) matches the utility load well during the highest electrical load months (May through September). Prediction of solar thermal power plant output also indicates a good match with utility load during these same high load months. Unfortunately, the hourly wind farm output during the day is not a very good match to the utility electrical load (i.e. in spring and summer the lowest wind speed generally occurs during mid-day when utility load is highest). If parabolic trough solar thermal power plants are installed in the Mojave Desert (similar to the 354 MW of plants that have been operating in Mojave Desert since 1990) then the solar electrical generation will help balance out the wind farm generation since highest solar generated electricity will be during mid-day. Adding six hours of solar thermal storage improved the utility load match significantly in the evening and reliability was also improved. Storage improves reliability because electrical production can remain at a high level even when there are lulls in the wind or clouds decrease the solar energy striking the parabolic trough mirrors. The solar energy from Mojave Desert and wind energy in the major wind farm areas are not a good match to utility load during the winter in California, but if the number of wind farms were increased east of San Diego, then the utility renewable energy match would be improved (this is because the wind energy is highest during the winter in this area). Currently in California, wind electrical generation only contributes 1.8% of total electricity and solar electrical generation only contributes 0.2%. Combining wind farms and solar thermal power plants with storage would allow a large percentage of the electrical load in California to be met by wind and solar energy due to a better match with utility load than by either renewable resource separately.

Vick, B. D.; Clark, R. N.; Mehos, M.

2008-01-01T23:59:59.000Z

130

Motional Spin Relaxation in Large Electric Fields  

E-Print Network (OSTI)

We discuss the precession of spin-polarized Ultra Cold Neutrons (UCN) and $^{3}$He atoms in uniform and static magnetic and electric fields and calculate the spin relaxation effects from motional $v\\times E$ magnetic fields. Particle motion in an electric field creates a motional $v\\times E$ magnetic field, which when combined with collisions, produces variations of the total magnetic field and results in spin relaxation of neutron and $^{3}$He samples. The spin relaxation times $T_{1}$ (longitudinal) and $T_{2}$ (transverse) of spin-polarized UCN and $^{3}$He atoms are important considerations in a new search for the neutron Electric Dipole Moment at the SNS \\emph{nEDM} experiment. We use a Monte Carlo approach to simulate the relaxation of spins due to the motional $v\\times E$ field for UCN and for $^{3}$He atoms at temperatures below $600,\\mathrm{mK}$. We find the relaxation times for the neutron due to the $v\\times E$ effect to be long compared to the neutron lifetime, while the $^{3}$He relaxation times may be important for the \\emph{nEDM} experiment.

Riccardo Schmid; B. Plaster; B. W. Filippone

2008-05-16T23:59:59.000Z

131

FRAME DEPENDENCE OF THE ELECTRIC FIELD SPECTRUM OF SOLAR WIND TURBULENCE  

Science Conference Proceedings (OSTI)

We present the first survey of electric field data using the ARTEMIS spacecraft in the solar wind to study inertial range turbulence. It was found that the average perpendicular spectral index of the electric field depends on the frame of measurement. In the spacecraft frame it is -5/3, which matches the magnetic field due to the large solar wind speed in Lorentz transformation. In the mean solar wind frame, the electric field is primarily due to the perpendicular velocity fluctuations and has a spectral index slightly shallower than -3/2, which is close to the scaling of the velocity. These results are an independent confirmation of the difference in scaling between the velocity and magnetic field, which is not currently well understood. The spectral index of the compressive fluctuations was also measured and found to be close to -5/3, suggesting that they are not only passive to the velocity but may also interact nonlinearly with the magnetic field.

Chen, C. H. K.; Bale, S. D.; Salem, C.; Mozer, F. S., E-mail: chen@ssl.berkeley.edu [Space Sciences Laboratory, University of California, Berkeley, CA 94720 (United States)

2011-08-20T23:59:59.000Z

132

Clay Electric Cooperative, Inc- Solar Thermal Loans  

Energy.gov (U.S. Department of Energy (DOE))

Clay Electric Cooperative (CEC), a Touchstone Energy Cooperative, covers 14 counties in northern Florida, including Gainesville, Keystone Heights, Lake City, Orange Park, Palatka, and Salt Springs....

133

Qinghai Solar Energy Electric Co Ltd | Open Energy Information  

Open Energy Info (EERE)

Solar Energy Electric Co Ltd Solar Energy Electric Co Ltd Place Xining, Qinghai Province, China Zip 810008 Sector Solar, Wind energy Product A high-tech company providing project research, construction implementation and product trade specializing in developing energy saving products in solar and wind energy. Coordinates 36.62439°, 101.777443° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":36.62439,"lon":101.777443,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

134

Application of Energy Storage To Solar Electric Propulsion Orbital Transfer  

E-Print Network (OSTI)

Solar electric propulsion uses solar panels to generate power for electric thrusters. Using stored energy makes it possible to thrust through eclipses, but requires that some of the solar power collected during the sunlit portion of the trajectory be used to recharge the storage system. Previous researchers have reported that the required energy storage mass can be prohibitive. However, the use of high-speed flywheels for energy storage can provide advantages. In this paper, we compare the effectiveness of orbit transfers using and without using energy storage. The orbit transfers are developed as sequences of time-optimal circle-to-circle planar transfers from low-Earth orbit to geostationary orbit. We develop techniques for solving the appropriate boundary value problems, and illustrate tradeoffs between solar array and flywheel-battery masses for transfers

Mark W. Marasch; Christopher D. Hall

1999-01-01T23:59:59.000Z

135

Status of Solar-Thermal Electric Technology  

Science Conference Proceedings (OSTI)

This report evaluates the performance of three leading solar-thermal power plant concepts to assess their future use as sources of power for U.S. utilities. The trough system is commercially available now as a marginally competitive fossil hybrid. The central receiver and dish concentrator systems show more attractive potential but require additional component and system development.

1989-12-15T23:59:59.000Z

136

Making the sun work for you. Solar electricity from photovoltaics  

SciTech Connect

Written for homeowners and non-technical users, this guide explains how to harness solar power for homes and other small-scale applications. Step-by-step instructions show how to design, install, and operate photovoltaic systems that meet a wide variety of needs. Methods for sizing, sitting, and wiring these systems are explicitly demonstrated. Information on tax credits, building and safety codes, zoning regulations, and solar access laws along with numerous charts and illustrations help to maximize the benefits of sun-generated electricity. This volume also discusses the history of alternative energy sources and considers future possibilities for solar energy.

1984-01-01T23:59:59.000Z

137

National Grid (Electric) - Large Commercial Energy Efficiency Incentive  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

National Grid (Electric) - Large Commercial Energy Efficiency National Grid (Electric) - Large Commercial Energy Efficiency Incentive Programs National Grid (Electric) - Large Commercial Energy Efficiency Incentive Programs < Back Eligibility Commercial Industrial Institutional Local Government Multi-Family Residential Retail Supplier Schools State Government Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Other Construction Heat Pumps Appliances & Electronics Commercial Lighting Lighting Maximum Rebate Custom Incentives: 50% of engineering studies and total costs until project reaches a 1.5 year simple payback. Program Info State Rhode Island Program Type Utility Rebate Program Rebate Amount Schools and New Buildings Custom Incentives: 75% of additional cost for efficiency upgrades AC/Heat Pumps: $30 - $125/ton

138

Molten Salt Solar-Electric Experiment: Volumes 1 and 2  

Science Conference Proceedings (OSTI)

The Molten Salt Electric Experiment assembled and tested the first full-system experiment of a solar central receiver plant employing molten nitrate salt as the heat transport fluid and thermal storage medium. This report focuses on the last two phases of the project: testing/operation and evaluation. Overall project data will help utilities evaluate the central receiver concept's technical status, development requirements, and potential as a renewable source of electricity.

1990-01-03T23:59:59.000Z

139

Solar Photovoltaics Expanding Electric Generation Options  

Science Conference Proceedings (OSTI)

EPRI and others have demonstrated that a broad portfolio of cost-competitive supply technologies will be needed to satisfy the world's rising demands for energy while meeting climate policy and other societal objectives. Solar energy is a particularly attractive renewable energy option because it is well distributed and abundant over most of the earth's surface. This White Paper reviews the status of PV technology and markets, the potential for evolutionary and revolutionary technology advances, the iss...

2007-12-21T23:59:59.000Z

140

Solar Power in the Desert: Are the current large-scale solar developments really improving Californias environment?  

E-Print Network (OSTI)

from large-scale solar steam generator systems Persistenceof water as steam power generators. The largest of these

Allen, Michael F.; McHughen, Alan

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Large Power Transformers and the U.S. Electric Grid  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Infrastructure Security and Energy Restoration Infrastructure Security and Energy Restoration Office of Electricity Delivery and Energy Reliability U.S. Department of Energy LARGE POWER TRANSFORMERS AND THE U.S. ELECTRIC GRID Large Power Transformers and the U.S. Electric Grid i This page intentionally left blank. Large Power Transformers and the U.S. Electric Grid DOE / OE / ISER June 2012 ii FOR FURTHER INFORMATION This report was prepared by the Office of Electricity Delivery and Energy Reliability under the direction of Patricia Hoffman, Assistant Secretary, and William Bryan, Deputy Assistant Secretary. Specific questions about information in this report may be directed to Dr. Kenneth Friedman, Senior Policy Advisor (kenneth.friedman@hq.doe.gov). Tiffany Y. Choi of ICF International contributed to this report.

142

Large electrical-energy storage facilities  

SciTech Connect

Problems associated with the utilization of various types of energy-storage facilities are considered, three areas being singled out: operation during the variable portion of the load curve with double regulation effect, handling of peaks and the filling in of off-peak dips in the load curve; the generation of power impulses through the use of stored energy for short-term supply of load; and the conversion of one form of energy to another. The present-day state of development and introduction of storage facilities of various kinds is described. The conditions for utilization of large-scale storage on the power systems of the USSR are evaluated, and the principles for determining the economic efficiency are formulated.

Ershevich, V.V.

1985-01-01T23:59:59.000Z

143

2013 completions of large solar thermal power plants mark ...  

U.S. Energy Information Administration (EIA)

Several large, new solar thermal power plants are expected to begin commercial operation by the end of 2013, more than doubling the solar thermal ...

144

Arizona Consumer's Guide to Buying a Solar Electric System  

DOE Green Energy (OSTI)

Consumers in Arizona are showing increased interest in solar electric systems for their homes and businesses. This booklet provides basic information about buying a PV system. Photovoltaic (PV) systems are reliable, pollution free, and use a renewable source of energy-the sun. A PV system can be a substantial investment and careful planning will help ensure that you make the right decisions.

Starrs, T.; Wenger, H.

2000-09-11T23:59:59.000Z

145

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

halving the current price of solar power generation systemprice with solar is also expected to be attractive compared to market prices in power-price of retail grid electricity. As many factors have influenced solar power

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

146

Solar thermal bowl concepts and economic comparisons for electricity generation  

DOE Green Energy (OSTI)

This study is aimed at providing a relative comparison of the thermodynamic and economic performance in electric applications for fixed mirror distributed focus (FMDF) solar thermal concepts which have been studied and developed in the DOE solar thermal program. Following the completion of earlier systems comparison studies in the late 1970's there have been a number of years of progress in solar thermal technology. This progress includes developing new solar components, improving component and system design details, constructing working systems, and collecting operating data on the systems. This study povides an update of the expected performance and cost of the major components, and an overall system energy cost for the FMDDF concepts evaluated. The projections in this study are for the late 1990's and are based on the potential capabilities that might be achieved with further technology development.

Williams, T.A.; Dirks, J.A.; Brown, D.R.; Antoniak, Z.I.; Allemann, R.T.; Coomes, E.P.; Craig, S.N.; Drost, M.K.; Humphreys, K.K.; Nomura, K.K.

1988-04-01T23:59:59.000Z

147

Solar thermal bowl concepts and economic comparisons for electricity generation  

SciTech Connect

This study is aimed at providing a relative comparison of the thermodynamic and economic performance in electric applications for fixed mirror distributed focus (FMDF) solar thermal concepts which have been studied and developed in the DOE solar thermal program. Following the completion of earlier systems comparison studies in the late 1970's there have been a number of years of progress in solar thermal technology. This progress includes developing new solar components, improving component and system design details, constructing working systems, and collecting operating data on the systems. This study povides an update of the expected performance and cost of the major components, and an overall system energy cost for the FMDDF concepts evaluated. The projections in this study are for the late 1990's and are based on the potential capabilities that might be achieved with further technology development.

Williams, T.A.; Dirks, J.A.; Brown, D.R.; Antoniak, Z.I.; Allemann, R.T.; Coomes, E.P.; Craig, S.N.; Drost, M.K.; Humphreys, K.K.; Nomura, K.K.

1988-04-01T23:59:59.000Z

148

Environmental Impacts From the Installation and Operation of Large-scale Solar Power Plants  

Science Conference Proceedings (OSTI)

Large-scale solar power plants are being developed at a rapid rate, and are setting up to use thousands or millions of acres of land globally. The environmental issues related to the installation and operation phases of such facilities have not, so far, been addressed comprehensively in the literature. Here we identify and appraise 32 impacts from these phases, under the themes of land use intensity, human health and well-being, plant and animal life, geohydrological resources, and climate change. Our appraisals assume that electricity generated by new solar power facilities will displace electricity from traditional U.S. generation technologies. Altogether we find 22 of the considered 32 impacts to be beneficial. Of the remaining 10 impacts, 4 are neutral, and 6 require further research before they can be appraised. None of the impacts are negative relative to traditional power generation. We rank the impacts in terms of priority, and find all the high-priority impacts to be beneficial. In quantitative terms, large-scale solar power plants occupy the same or less land per kW h than coal power plant life cycles. Removal of forests to make space for solar power causes CO{sub 2} emissions as high as 36 g CO{sub 2} kW h{sup -1}, which is a significant contribution to the life cycle CO{sub 2} emissions of solar power, but is still low compared to CO{sub 2} emissions from coal-based electricity that are about 1100 g CO{sub 2} kW h{sup -1}.

Fthenakis, V.; Turney, Damon

2011-04-23T23:59:59.000Z

149

Non-Standard Models, Solar Neutrinos, and Large ?_{13}  

E-Print Network (OSTI)

Solar neutrino experiments have yet to see directly the transition region between matter-enhanced and vacuum oscillations. The transition region is particularly sensitive to models of non-standard neutrino interactions and propagation. We examine several such non-standard models, which predict a lower-energy transition region and a flatter survival probability for the ^{8}B solar neutrinos than the standard large-mixing angle (LMA) model. We find that while some of the non-standard models provide a better fit to the solar neutrino data set, the large measured value of \\theta_{13} and the size of the experimental uncertainties lead to a low statistical significance for these fits. We have also examined whether simple changes to the solar density profile can lead to a flatter ^{8}B survival probability than the LMA prediction, but find that this is not the case for reasonable changes. We conclude that the data in this critical region is still too poor to determine whether any of these models, or LMA, is the best description of the data.

R. Bonventre; A. LaTorre; J. R. Klein; G. D. Orebi Gann; S. Seibert; O. Wasalski

2013-05-24T23:59:59.000Z

150

Thermocline Thermal Storage Test for Large-Scale Solar Thermal Power Plants  

DOE Green Energy (OSTI)

Solar thermal-to-electric power plants have been tested and investigated at Sandia National Laboratories (SNL) since the late 1970s, and thermal storage has always been an area of key study because it affords an economical method of delivering solar-electricity during non-daylight hours. This paper describes the design considerations of a new, single-tank, thermal storage system and details the benefits of employing this technology in large-scale (10MW to 100MW) solar thermal power plants. Since December 1999, solar engineers at Sandia National Laboratories' National Solar Thermal Test Facility (NSTTF) have designed and are constructing a thermal storage test called the thermocline system. This technology, which employs a single thermocline tank, has the potential to replace the traditional and more expensive two-tank storage systems. The thermocline tank approach uses a mixture of silica sand and quartzite rock to displace a significant portion of the volume in the tank. Then it is filled with the heat transfer fluid, a molten nitrate salt. A thermal gradient separates the hot and cold salt. Loading the tank with the combination of sand, rock, and molten salt instead of just molten salt dramatically reduces the system cost. The typical cost of the molten nitrate salt is $800 per ton versus the cost of the sand and rock portion at $70 per ton. Construction of the thermocline system will be completed in August 2000, and testing will run for two to three months. The testing results will be used to determine the economic viability of the single-tank (thermocline) storage technology for large-scale solar thermal power plants. Also discussed in this paper are the safety issues involving molten nitrate salts and other heat transfer fluids, such as synthetic heat transfer oils, and the impact of these issues on the system design.

ST.LAURENT,STEVEN J.

2000-08-14T23:59:59.000Z

151

2010MIT SOLAR ELECTRIC VEHICLE TEAM A MESSAGE FROM THE PRESIDENT  

E-Print Network (OSTI)

IS SOLAR RACING? In a solar car race, highly specialized vehicles that run entirely on solar power, the battery monitor- ing circuitry, and the solar power track- ers, tracking vehicle performance in real time2010MIT SOLAR ELECTRIC VEHICLE TEAM #12;A MESSAGE FROM THE PRESIDENT President Hockfield poses

152

Solar Electricity - The Power of Choice, First Quarter 2001  

DOE Green Energy (OSTI)

Solar Electricity--The Power of Choice (formerly NREL PV Working With Industry) is a quarterly newsletter devoted to the research and development activities performed by NREL staff in concert with their industry and university partners. This issue is devoted to NREL's renewables workshop for farmers and ranchers, presented at the National Western Stock Show in Denver; the PV Industry Roadmap; the Siemens Solar Industries celebration of 200 MW of cumulative PV module production; and a profile of ''PV Beyond the Horizon'' initiative. The editorialist for this issue is Tim Anderson of the University of Florida.

Poole, L.; Schnelten, K.; Moon, S.

2001-04-26T23:59:59.000Z

153

Role of Electricity Markets and Market Design in Integrating Solar Generation: Solar Integration Series. 2 of 3 (Brochure)  

DOE Green Energy (OSTI)

The second out of a series of three fact sheets describing the role of electricity markets and market design in integrating solar generation.

Not Available

2001-05-01T23:59:59.000Z

154

Solar thermal electricity in 1998: An IEA/SolarPACES summary of status and future prospects  

DOE Green Energy (OSTI)

Research and development activities sponsored by countries within the International Energy Agency`s solar thermal working group. SolarPACES, have helped reduce the cost of solar thermal systems to one-fifth that of the early pilot plants. Continued technological improvements are currently being proven in next-generation demonstration plants. These advances, along with cost reductions made possible by scale-up to larger production and construction of a succession of power plants, have made solar thermal systems the lowest-cost solar energy in the world and promise cost-competitiveness with fossil-fuel plants in the future. Solar thermal technologies are appropriate for a wide range of applications, including dispatchable central-station power plants where they can meet peak-load to near-base-load needs of a utility, and distributed, modular power plants for both remote and grid-connected applications. In this paper, the authors present the collective position of the SolarPACES community on solar electricity-generating technology. They discuss the current status of the technology and likely near-term improvements; the needs of target markets; and important technical and financial issues that must be resolved for success in near-term global markets.

Tyner, C.E.; Kolb, G.J. [Sandia National Labs., Albuquerque, NM (United States); Meinecke, W. [Deutsches Zentrum fuer Luft- und Raumfahrt, Koeln (Germany); Trieb, F. [Deutsches Zentrum fuer Luft- und Raumfahrt, Stuttgart (Germany)

1998-07-01T23:59:59.000Z

155

CDCA Final EIS for Ivanpah Solar Electric Generating System  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

CALIFORNIA DESERT CONSERVATION AREA PLAN CALIFORNIA DESERT CONSERVATION AREA PLAN AMENDMENT / FINAL ENVIRONMENTAL IMPACT STATEMENT FOR IVANPAH SOLAR ELECTRIC GENERATING SYSTEM FEIS-10-31 JULY 2010 BLM/CA/ES-2010-010+1793 In Reply Refer To: In reply refer to: 1610-5.G.1.4 2800lCACA-48668 Dear Reader: Enclosed is the proposed California Desert Conservation Area Plan Amendment and Final Environmental Impact Statement (CDCA Plan Amendment/FEIS) for the Ivanpah Solar Electric Generating System (ISEGS) project. The Bureau of Land Management (BLM) prepared the CDCA Plan Amendment/FEIS for the ISEGS project in consultation with cooperating agencies and California State agencies, taking into account public comments received during the National Environmental Policy Act (NEPA) process. The proposed plan amendment adds the Ivanpah

156

Direct coupling of solar cell arrays to electric power networks  

SciTech Connect

Results of an investigation of the performance of solar cells when directly coupled to a conventional three-phase power network are presented. This approach dissociates the electricity production problem from the electric energy storage problem. Extensive studies of the required power inverter are performed. Preliminary simulation results indicate that a.c. power outputs of better than 90 percent of the optimum cell power output can be easily achieved by means of a suitably controlled inverter. It is also shown that the controlling policy for the inverter must depend on the operating conditions of the system.

Alvarado, F.L.; Eltimsahy, A.H.

1976-01-01T23:59:59.000Z

157

Solar Electricity: The Power of Choice, Third Quarter 2001  

DOE Green Energy (OSTI)

Solar Electricity: The Power of Choice (formerly NREL PV Working With Industry) is a quarterly newsletter devoted to the photovoltaics (PV) research and development activities performed by NREL staff in concert with their industry and university partners. This issue is devoted to coverage of the Program Review Meeting of the National Center for Photovoltaics, held in October, 2001. The editorialist for this issue is Kannan Ramanathan, chair of the Program Review and a research scientist with the National Center for Photovoltaics at NREL.

Schnelten, K.; Moon, S.; Miller, J.

2001-12-01T23:59:59.000Z

158

Aging assessment of large electric motors in nuclear power plants  

Science Conference Proceedings (OSTI)

Large electric motors serve as the prime movers to drive high capacity pumps, fans, compressors, and generators in a variety of nuclear plant systems. This study examined the stressors that cause degradation and aging in large electric motors operating in various plant locations and environments. The operating history of these machines in nuclear plant service was studied by review and analysis of failure reports in the NPRDS and LER databases. This was supplemented by a review of motor designs, and their nuclear and balance of plant applications, in order to characterize the failure mechanisms that cause degradation, aging, and failure in large electric motors. A generic failure modes and effects analysis for large squirrel cage induction motors was performed to identify the degradation and aging mechanisms affecting various components of these large motors, the failure modes that result, and their effects upon the function of the motor. The effects of large motor failures upon the systems in which they are operating, and on the plant as a whole, were analyzed from failure reports in the databases. The effectiveness of the industry`s large motor maintenance programs was assessed based upon the failure reports in the databases and reviews of plant maintenance procedures and programs.

Villaran, M.; Subudhi, M. [Brookhaven National Lab., Upton, NY (United States)

1996-03-01T23:59:59.000Z

159

An assessment of the economic, regulatory and technical implications of large-scale solar power deployment.  

E-Print Network (OSTI)

??Electricity from solar energy has many favorable attributes. Despite its current high cost relative to other technology options, a combination of cost reductions and policy (more)

Merrick, James Hubert

2010-01-01T23:59:59.000Z

160

Solar  

Energy.gov (U.S. Department of Energy (DOE))

The U.S. Department of Energy (DOE) leads a large network of researchers and other partners to deliver innovative solar photovoltaic and concentrating solar power technologies that will make solar...

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

Production of Solar Photovoltaic Cells, Center for theconcerns is solar photovoltaic cells (PVs), which captureProduction of Solar Photovoltaic Cells Solar PV cells

Borenstein, Severin

2008-01-01T23:59:59.000Z

162

Conversion Tower for Dispatchable Solar Power: High-Efficiency Solar-Electric Conversion Power Tower  

Science Conference Proceedings (OSTI)

HEATS Project: Abengoa Solar is developing a high-efficiency solar-electric conversion tower to enable low-cost, fully dispatchable solar energy generation. Abengoas conversion tower utilizes new system architecture and a two-phase thermal energy storage media with an efficient supercritical carbon dioxide (CO2) power cycle. The company is using a high-temperature heat-transfer fluid with a phase change in between its hot and cold operating temperature. The fluid serves as a heat storage material and is cheaper and more efficient than conventional heat-storage materials, like molten salt. It also allows the use of a high heat flux solar receiver, advanced high thermal energy density storage, and more efficient power cycles.

None

2012-01-11T23:59:59.000Z

163

The role of hydroelectric generation in electric power systems with large scale wind generation.  

E-Print Network (OSTI)

??An increasing awareness of the operational challenges created by intermittent generation of electricity from policy-mandated renewable resources, such as wind and solar, has led to (more)

Hagerty, John Michael

2012-01-01T23:59:59.000Z

164

ELEG620: Solar Electric Systems University of Delaware, ECE Spring 2008 C. Honsberg Introduction  

E-Print Network (OSTI)

Impacts: new movement towards cities · 1.5 billion people without access to electricity #12;ELEG620: Solar a generator; can also use a turbine or other types of engines · Nuclear, solar thermal, coal, gas ­ Other capacity Nuclear: Cost, waste Solar thermal: Useful for low-grade heat; electricity use limited to desert

Honsberg, Christiana

165

Front contact solar cell with formed electrically conducting layers on the front side and backside  

SciTech Connect

A bipolar solar cell includes a backside junction formed by a silicon substrate and a first doped layer of a first dopant type on the backside of the solar cell. A second doped layer of a second dopant type makes an electrical connection to the substrate from the front side of the solar cell. A first metal contact of a first electrical polarity electrically connects to the first doped layer on the backside of the solar cell, and a second metal contact of a second electrical polarity electrically connects to the second doped layer on the front side of the solar cell. An external electrical circuit may be electrically connected to the first and second metal contacts to be powered by the solar cell.

Cousins, Peter John

2012-06-26T23:59:59.000Z

166

Large-scale structure of the fast solar wind  

E-Print Network (OSTI)

2001), Connecting the Sun and the Solar Wind: Comparison of592: Solar Wind 11/SOHO 16, Connecting Sun and Heliosphere,scenario, the fast solar wind from the quiet Sun wind would

Bisi, M. M.; Fallows, R. A.; Breen, A. R.; Habbal, S. Rifai; Jones, R. A.

2007-01-01T23:59:59.000Z

167

Large-scale structure of the fast solar wind  

E-Print Network (OSTI)

measurements of Solar Wind velocity, in press, Journal of1992), The Ulysses solar wind plasma experiment, AstronomyA. Hewish (1967), The solar wind outside the plane of the

Bisi, M. M.; Fallows, R. A.; Breen, A. R.; Habbal, S. Rifai; Jones, R. A.

2007-01-01T23:59:59.000Z

168

Large-scale structure of the fast solar wind  

E-Print Network (OSTI)

Scintillation measurements of Solar Wind velocity, in press,K. Sakurai (1992), The Ulysses solar wind plasma experiment,Telescope for the SOHO Mission, Solar Physics, 162, 291312.

Bisi, M. M.; Fallows, R. A.; Breen, A. R.; Habbal, S. Rifai; Jones, R. A.

2007-01-01T23:59:59.000Z

169

Solar total energy: large scale experiment, Shenandoah, Georgia Site. Annual report, June 1978-June 1979  

DOE Green Energy (OSTI)

A background summary and a complete description of the progress and current status of activities relative to the Cooperative Agreement for the Solar Total Energy - Large Scale Experiment at the Bleyle Knitwear Plant at Shenandoah, Georgia are presented. A statement of objectives and an abstract of progress to date are included. This is followed by a short introduction containing a project overview, a summary of the participants and their respective roles, a brief description of the Solar Total Energy System (STES) design concept, and a chronological summary of progress to date. A general description of the site is given, a detailed report of progress is reported, and drawings and equipment lists are included. The closed-loop solar energy system planned for Shenandoah begins with circulation of Syltherm 800, a heat transfer fluid of the Dow-Corning Corporation, through the receiver tubes of a parabolic dish solar collector field. As solar energy is focused on the receivers, the heat transfer fluid is heated to approximately 399/sup 0/C (750/sup 0/F) and is pumped to a heat exchanger for immediate use, or to a thermal storage system for later use. Once in the heat exchanger, the fluid heats a working fluid that produces the steam required for operating the turbine. After performing this task, the heat transfer fluid returns to the collectors to repeat the cycle, while the steam turbine-generator system supplies the electrical demands for the knitwear plant and the STES. During STES operation, maximum thermal and electrical requirements of the application are expected to be at 1.08 MWth and 161 kWe, respectively. During the power generation phase, some of the steam is extracted for use as process steam in the knitwear manufacturing process, while exhaust steam from the turbine is passed through a condenser to produce hot water for heating, domestic use, and absorption air conditioning. (WHK)

Ney, E.J.

1979-07-01T23:59:59.000Z

170

Solar Electric Generating System II finite element analysis  

DOE Green Energy (OSTI)

On June 2, 1992, Landers` earthquake struck the Solar Electric Generating System II, located in Daggett, California. The 30 megawatt power station, operated by the Daggett Leasing Corporation (DLC), suffered substantial damage due to structural failures in the solar farm. These failures consisted of the separation of sliding joints supporting a distribution of parabolic glass mirrors. At separation, the mirrors fell to the ground and broke. It was the desire of the DLC and the Solar Thermal Design Assistance Center (STDAC) of Sandia National Laboratories (SNL) and to redesign these joints so that, in the event of future quakes, costly breakage will be avoided. To accomplish this task, drawings of collector components were developed by the STDAC, from which a detailed finite element computer model of a solar collector was produced. This nonlinear dynamic model, which consisted of over 8,560 degrees of freedom, underwent model reduction to form a low order nonlinear dynamic model containing only 40 degrees of freedom. This model was then used as a design tool to estimate joint dynamics. Using this design tool, joint configurations were modified, and an acceptable joint redesign determined. The results of this analysis showed that the implementation of metal stops welded to support shafts for the purpose of preventing joint separation is a suitable joint redesign. Moreover, it was found that, for quakes of Landers` magnitude, mirror breakage due to enhanced vibration in the trough assembly is unlikely.

Dohner, J.L.; Anderson, J.R.

1994-04-01T23:59:59.000Z

171

Scientists Identify New Quaternary Materials for Solar Cell Absorbers...  

NLE Websites -- All DOE Office Websites (Extended Search)

insight for exploring use of Earth- abundant quaternary semiconductors for large-scale solar cell applications. For large-scale solar electricity generation, it is critical to...

172

S/EV 91: Solar and electric vehicle symposium, car and trade show. Proceedings  

DOE Green Energy (OSTI)

These proceedings cover the fundamentals of electric vehicles. Papers on the design, testing and performance of the power supplies, drive trains, and bodies of solar and non-solar powered electric vehicles are presented. Results from demonstrations and races are described. Public policy on the economics and environmental impacts of using electric powered vehicles is also presented.

Not Available

1991-12-31T23:59:59.000Z

173

Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

average price of energy regardless of when the solar powerby low price caps, the di?erence between solar PV powersolar PV power using real-time electricity prices and

Borenstein, Severin

2005-01-01T23:59:59.000Z

174

El Paso Electric Company - Solar PV Pilot Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

El Paso Electric Company - Solar PV Pilot Program El Paso Electric Company - Solar PV Pilot Program El Paso Electric Company - Solar PV Pilot Program < Back Eligibility Commercial Construction Fed. Government Industrial Installer/Contractor Local Government Multi-Family Residential Nonprofit Residential Schools State Government Tribal Government Savings Category Solar Buying & Making Electricity Maximum Rebate Residential: $7,500 Non-Residential: $50,000 Per Customer with Multiple Projects: 25% of 2013 incentive budget Per Service Provider with Multiple Projects: 50% of 2013 incentive budget in each category Program Info Start Date March 2010 State Texas Program Type Utility Rebate Program Rebate Amount Residential: $0.75/W DC Non-Residential: $1.00/W DC Provider El Paso Electric Solar PV Pilot Program '''''El Paso Electric's 2013 Solar PV Rebate program will reopen at 12:00

175

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

char- acteristics. Solar power is generated during daylightcontext of wind power than solar power, because spatiallythe average valuation of the solar power if the value is the

Borenstein, Severin

2008-01-01T23:59:59.000Z

176

International Conference on Solar Concentrators for the Generation of Electricity or Hydrogen: Book of Abstracts  

DOE Green Energy (OSTI)

The International Conference on Solar Concentrators for the Generation of Electricity or Hydrogen provides an opportunity to learn about current significant research on solar concentrators for generating electricity or hydrogen. The conference will emphasize in-depth technical discussions of recent achievements in technologies that convert concentrated solar radiation to electricity or hydrogen, with primary emphasis on photovoltaic (PV) technologies. Very high-efficiency solar cells--above 37%--were recently developed, and are now widely used for powering satellites. This development demands that we take a fresh look at the potential of solar concentrators for generating low-cost electricity or hydrogen. Solar electric concentrators could dramatically overtake other PV technologies in the electric utility marketplace because of the low capital cost of concentrator manufacturing facilities and the larger module size of concentrators. Concentrating solar energy also has advantages for th e solar generation of hydrogen. Around the world, researchers and engineers are developing solar concentrator technologies for entry into the electricity generation market and several have explored the use of concentrators for hydrogen production. The last conference on the subject of solar electric concentrators was held in November of 2003 and proved to be an important opportunity for researchers and developers to share new and crucial information that is helping to stimulate projects in their countries.

McConnell, R.; Symko-Davies, M.; Hayden, H.

2005-05-01T23:59:59.000Z

177

The Influence of Residential Solar Water Heating on Electric Utility Demand  

E-Print Network (OSTI)

Similar sets of residences in Austin, Texas with electric water heaters and solar water heaters with electric back-up were monitored during 1982 to determine their instantaneous electric demands, the purpose being to determine the influence of residential solar water heating on electric utility demand. The electric demand of solar water hears was found to be approximately 0.39 kW lass than conventional electric water heaters during the late late afternoon, early evening period in the summer months when the Austin utility experiences its peak demand. The annual load factor would be only very slightly reduced if there were a major penetration of solar water heaters in the all electric housing sector. Thus solar water heating represents beneficial load management for utilities experiencing summer peaks.

Vliet, G. C.; Askey, J. L.

1984-01-01T23:59:59.000Z

178

Sales and Use Tax Exemption for Residential Solar and Wind Electricity...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

providing a sales and use tax exemption for sales of electricity from qualifying solar energy and residential wind energy equipment to residential customers. In order to...

179

Homeowners Guide to Financing a Grid-Connected Solar Electric System (Brochure)  

SciTech Connect

This guide provides an overview of the financing options that may be available to homeowners who are considering installing a solar electric system on their house.

Not Available

2010-10-01T23:59:59.000Z

180

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

to clean lighting and electricity. CSP technology offers theof dispatchable power. The CSP industry, with just over 1 GWconcentrated solar power (CSP) industry and, with the US, is

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Redesign for energy and reserve markets in electric power networks with high solar penetration .  

E-Print Network (OSTI)

??Favorable price trends and increasing demand for renewable energy sources portend accelerating integration of solar photovoltaic (PV) generation into traditional electric power system networks. Managing (more)

Hollis, Preston Taylor

2011-01-01T23:59:59.000Z

182

EIA - International Energy Outlook 2009-Solar Photovoltaic and solar  

Gasoline and Diesel Fuel Update (EIA)

Solar Photovoltaic and Solar Thermal Electric Technologies Solar Photovoltaic and Solar Thermal Electric Technologies International Energy Outlook 2009 Solar Photovoltaic and Solar Thermal Electric Technologies Solar power is one of the fastest-growing sources of renewable energy worldwide. Many nations, concerned about the environmental impacts of electricity generation from fossil fuels or from large-scale hydroelectric plants, have been turning to solar power as an environmentally benign alternative. The solar energy that reaches the earth can be harnessed to generate electric power, and the potential for large-scale applications of solar power has improved markedly in recent years. Two solar power technologies—solar photovoltaic and solar thermal—are widely employed today, and their use is likely to increase in the future.

183

Analysis of solar thermal concepts for electricity generation  

DOE Green Energy (OSTI)

This paper presents performance and cost projections for three of the primary solar thermal alternatives which have been studied in the US Department of Energy Solar Thermal Program. A central receiver concept using a north-facing molten nitrate salt cavity receiver, a glass-metal parabolic dish concept with a dish mounted kinematic Stirling engine, and parabolic trough concept were all analyzed for electricity production. The cost and performance projections are for the late 1990's time frame and are based on the capabilities of the technologies which could be expected with further development. Both the central receiver and dish concepts analyzed in this study appear to be attractive long-term power options for electric power applications. The central receiver concept achieved the lowest levelized energy cost, at a value of 50 mills/kWh for a 100 MWe plant at high capacity factors. The parabolic dish systems lowest energy cost of 75 mills/kWh also occurred at a 100 MWe plant size, but at a no-storage capacity factor. The levelized energy cost of the parabolic trough concept was much higher than either of the other two concepts at a projected 210 mill/kWh; as configured, it is not competitive with either the central receiver or parabolic dish systems.

Williams, T.A.; Brown, D.R.; Dirks, J.A.; Drost, M.K.

1986-04-01T23:59:59.000Z

184

Solar-Assisted Electric Vehicle Charging Station Interim Report  

DOE Green Energy (OSTI)

Oak Ridge National Laboratory (ORNL) has been awarded $6.8 million in the Department of Energy (DOE) American Recovery and Reinvestment Act (ARRA) funds as part of an overall $114.8 million ECOtality grant with matching funds from regional partners to install 125 solar-assisted Electric Vehicle (EV) charging stations across Knoxville, Nashville, Chattanooga, and Memphis. Significant progress has been made toward completing the scope with the installation of 25 solar-assisted charging stations at ORNL; six stations at Electric Power Research Institute (EPRI); and 27 stations at Nissan's Smyrna and Franklin sites, with three more stations under construction at Nissan's new lithium-ion battery plant. Additionally, the procurement process for contracting the installation of 34 stations at Knoxville, the University of Tennessee Knoxville (UTK), and Nashville sites is underway with completion of installation scheduled for early 2012. Progress is also being made on finalizing sites and beginning installations of 30 stations in Nashville, Chattanooga, and Memphis by EPRI and Tennessee Valley Authority (TVA). The solar-assisted EV charging station project has made great strides in fiscal year 2011. A total of 58 solar-assisted EV parking spaces have been commissioned in East and Middle Tennessee, and progress on installing the remaining 67 spaces is well underway. The contract for the 34 stations planned for Knoxville, UTK, and Nashville should be underway in October with completion scheduled for the end of March 2012; the remaining three Nissan stations are under construction and scheduled to be complete in November; and the EPRI/TVA stations for Chattanooga, Vanderbilt, and Memphis are underway and should be complete by the end of March 2012. As additional Nissan LEAFs are being delivered, usage of the charging stations has increased substantially. The project is on course to complete all 125 solar-assisted EV charging stations in time to collect meaningful data by the end of government fiscal year 2012. Lessons learned from the sites completed thus far are being incorporated and are proving to be invaluable in completion of the remaining sites.

Lapsa, Melissa Voss [ORNL; Durfee, Norman [ORNL; Maxey, L Curt [ORNL; Overbey, Randall M [ORNL

2011-09-01T23:59:59.000Z

185

Energy Department Loan Guarantee Would Support Large-Scale Rooftop Solar  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Loan Guarantee Would Support Large-Scale Rooftop Loan Guarantee Would Support Large-Scale Rooftop Solar Power for U.S. Military Housing Energy Department Loan Guarantee Would Support Large-Scale Rooftop Solar Power for U.S. Military Housing September 7, 2011 - 2:10pm Addthis Washington D.C. - U.S. Energy Secretary Steven Chu today announced the offer of a conditional commitment for a partial guarantee of a $344 million loan that will support the SolarStrong Project, which is expected to be a record expansion of residential rooftop solar power in the United States. Under the SolarStrong Project, SolarCity Corporation will install, own and operate up to 160,000 rooftop solar installations on as many as 124 U.S. military bases in up to 33 states. SolarCity expects the project to fund approximately 750 construction jobs over five years and 28 full time

186

San Diego Solar Panels Generate Clean Electricity Along with Clean Water |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Diego Solar Panels Generate Clean Electricity Along with Clean Diego Solar Panels Generate Clean Electricity Along with Clean Water San Diego Solar Panels Generate Clean Electricity Along with Clean Water May 26, 2010 - 12:11pm Addthis San Diego’s Otay Water Treatment Plant is generating clean electricity along with clean water, with a total capacity of 945 KW | Photo courtesy of SunEdison San Diego's Otay Water Treatment Plant is generating clean electricity along with clean water, with a total capacity of 945 KW | Photo courtesy of SunEdison Just north of the U.S.-Mexican border, San Diego's Otay Water Treatment Plant processes up to 34 million gallons of water a day. Thanks to the city's ambitious solar energy program, the facility may soon be able to do that with net zero electricity consumption. In early April, workers activated a 945-kW solar photovoltaic (PV) energy

187

Large scale solar hot water heating systems for green hospital  

Science Conference Proceedings (OSTI)

Concerns over the impact of the environment on the massive usage of fossil fuels, combined with soaring energy prices, triggered increased interest in the use of solar energy. Solar energy is abundant, provides an important saving to the consumer, and ... Keywords: energy savings, evacuated tubes, greenhouse gas reduction, solar assisted hot water heaters

Poorya Ooshaksaraei; Baharudin Ali; Sohif Mat; M. Yahya; Kamaruzaman Ibrahim; Azami Zaharim; Kamaruzaman Sopian

2010-01-01T23:59:59.000Z

188

Large Scale Deployment of Renewables for Electricity Generation  

E-Print Network (OSTI)

-cellulose material. Anaerobic digestion or gasification of biomass produces gas that can be used in similar applications to natural gas. Small-scale biogas production is now a well-established technology and large-scale application is in the advanced stages... of development. The possibility of using biogas in fuel cells exists, but there are a number of technical difficulties that remain to be overcome in this area. Source: www.britishbiogen.co.uk and WEA (2000). 5 All figures refer to electricity.Where necessary...

Neuhoff, Karsten

2006-03-14T23:59:59.000Z

189

Solar energy for heat and electricity: the potential for mitigating climate change  

E-Print Network (OSTI)

Solar energy for heat and electricity: the potential for mitigating climate change Dr N.J. EkiNs-DaukEs Executive summary Why are we interested in using solar energy? Sunlight provides the energy source. In developing countries, solar technologies are already in use to enhance the standard of living

190

Solar Storm Risks for Maine and the New England Electric Grid,  

E-Print Network (OSTI)

Solar Storm Risks for Maine and the New England Electric Grid, and Potential Protective Measures.resilientsocieties.org #12;1 EXECUTIVE SUMMARY A severe solar storm--a historical example being the Carrington Event of 1859 of the eastern United States. Severe solar storms--of the intensity of the 1921 New York Central Storm

Schrijver, Karel

191

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

Solar CSP Note: Renewable Energy tariffs are as per the CERCenergy technologies including solar, while individual state electricity commissions are free to adopt these tariffsEnergy (MNRE) since the 1980s. Under the Electricity Act (2003) and the National Tariff

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

192

Stand-Alone Solar Electric Systems: The Earthscan Expert Handbook on Planning, Design and Installation  

Science Conference Proceedings (OSTI)

One of the best ways to get power to remote, off-grid locations, whether in developed or developing countries, is through the use of solar electric systems.This practical guide describes how to plan, design and install solar electric systems in a manner ...

Mark Hankins

2010-07-01T23:59:59.000Z

193

Overview and Challenges of Thin Film Solar Electric Technologies  

NLE Websites -- All DOE Office Websites (Extended Search)

and Challenges of Thin and Challenges of Thin Film Solar Electric Technologies H.S. Ullal Presented at the World Renewable Energy Congress X and Exhibition 2008 Glasgow, Scotland, United Kingdom July 19-25, 2008 Conference Paper NREL/CP-520-43355 December 2008 NOTICE The submitted manuscript has been offered by an employee of the Alliance for Sustainable Energy, LLC (ASE), a contractor of the US Government under Contract No. DE-AC36-08-GO28308. Accordingly, the US Government and ASE retain a nonexclusive royalty-free license to publish or reproduce the published form of this contribution, or allow others to do so, for US Government purposes. This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any

194

Solar electric thermal hydronic (SETH) product development project  

DOE Green Energy (OSTI)

Positive Energy, Inc. received a second Technology Maturation and Commercialization Project Subcontract during the 1999 round of awards. This Subcontract is for the purpose of further aiding Positive Energy, Inc. in preparing its Solar Electric Thermal Hydronic (SETH) control and distribution package for market introduction. All items of this subcontracted project have been successfully completed. This Project Report contains a summary of the progress made during the SETH Development Project (the Project) over the duration of the 1999 Subcontract. It includes a description of the effort performed and the results obtained in the pursuit of intellectual property protection and development of product documentation for the end users. This report also summarizes additional efforts taken by and for the SETH project outside of the Subcontract. It presents a chronology of activities over the duration of the Subcontract, and includes a few selected sample copies of documents offered as evidence of their success.

Stickney, B.L.; Sindelar, A.

2000-10-01T23:59:59.000Z

195

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

gas reduction from solar PV generation. REFERENCES Asmus,and the Economics of Solar PV: Could Mandatory Time-of-UseAverage Value Per MWh of Solar PV Power from Adjusting for

Borenstein, Severin

2008-01-01T23:59:59.000Z

196

Sales and Use Tax Exemption for Residential Solar and Wind Electricity  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Sales and Use Tax Exemption for Residential Solar and Wind Sales and Use Tax Exemption for Residential Solar and Wind Electricity Sales (Maryland) Sales and Use Tax Exemption for Residential Solar and Wind Electricity Sales (Maryland) < Back Eligibility General Public/Consumer Residential Savings Category Solar Buying & Making Electricity Wind Maximum Rebate None Program Info Start Date 07/01/2011 State Maryland Program Type Sales Tax Incentive Rebate Amount 100% exemption from sales and use tax Provider Revenue Administration Center In May 2011 Maryland enacted legislation providing a sales and use tax exemption for sales of electricity from qualifying solar energy and residential wind energy equipment to residential customers. In order to qualify for the exemption, the sale of electricity must be for residential

197

New Hampshire Electric Co-Op - Solar Hot Water | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

New Hampshire Electric Co-Op - Solar Hot Water New Hampshire Electric Co-Op - Solar Hot Water New Hampshire Electric Co-Op - Solar Hot Water < Back Eligibility Residential Savings Category Heating & Cooling Solar Water Heating Maximum Rebate $1,500 Program Info State New Hampshire Program Type Utility Rebate Program Rebate Amount 20% of installed costs Provider New Hampshire Electric Co-Op New Hampshire Electric Co-Op (NHEC) offers rebates to residential customers who install qualified solar water-heating systems. The rebate is equal to 20% of installed system costs, with a maximum award of $1,500. Systems must be pre-approved, and installed in NHEC's service territory by a qualified installer. Program funds are available on a first-come, first-served basis. See the program web site listed above for more information, an application

198

An assessment of the economic, regulatory and technical implications of large-scale solar power deployment  

E-Print Network (OSTI)

Electricity from solar energy has many favorable attributes. Despite its current high cost relative to other technology options, a combination of cost reductions and policy support measures could lead to increasing deployment ...

Merrick, James Hubert

2010-01-01T23:59:59.000Z

199

COMMENTS OF THE LARGE-SCALE SOLAR ASSOCIATION TO DEPARTMENT  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

for renewable energy projects such as solar, the value of the resource area and the availability of transmission essentially eliminate the risk that transmission to an area...

200

Large-scale Solar PV Investment Planning Studies.  

E-Print Network (OSTI)

??In the pursuit of a cleaner and sustainable environment, solar photovoltaic (PV) power has been established as the fastest growing alternative energy source in the (more)

Muneer, Wajid

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

Hour of Day Real-Time Price PV - South PV - West PV output (Correlation Between Prices and Solar PV Production Thecorrelation between prices and solar PV production discussed

Borenstein, Severin

2008-01-01T23:59:59.000Z

202

NREL Webinar: Treatment of Solar Generation in Electric Utility...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

are leading to increasing interest in solar technologies, especially PV. In this free webinar, you will hear how utilities are incorporating solar generation into their...

203

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

such weather also produces higher solar PV production. Thus,solar PV production increases with hotter, sunnier weathersolar PV production that includes random vari- ation due to weather.

Borenstein, Severin

2008-01-01T23:59:59.000Z

204

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

Time-of-Use Rates Undermine Californias Solar Photovoltaic172, University of California Energy Institute, SeptemberShannon Moynahan, The California Solar Initiative Triumph

Borenstein, Severin

2008-01-01T23:59:59.000Z

205

A model library of solar thermal electric components for the computer code TRNSYS  

Science Conference Proceedings (OSTI)

A new approach to modeling solar thermal electric plants using the TRNSYS simulation environment is discussed. The TRNSYS environment offers many advantages over currently used tools, including the option to more easily study the hybrid solar/fossil plant configurations that have been proposed to facilitate market penetration of solar thermal technologies. A component library developed for Rankine cycle, Brayton cycle, and solar system modeling is presented. A comparison between KPRO and TRNSYS results for a simple Rankine cycle show excellent correlation.

Pitz-Paal, R. [Deutsches Zentrum fuer Luft- und Raumfahrt e.V., Koeln (Germany). Solare Energietechnik; Jones, S. [Sandia National Labs., Albuquerque, NM (United States)

1998-07-01T23:59:59.000Z

206

www.ucei.org Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

Abstract: Solar PV panels generate electricity only during daylight hours and generate more electricity when the sun is shining more intensely. As a result, in summer-peaking electricity systems, such as California and most of the U.S., power from PVs is produced disproportionately at times when the value of electricity is high. Thus, a valuation of solar PV electricity production that uses only the average wholesale cost of electricity will tend to undervalue the power. Yet, that is what happens by default in many installations because solar PVs are generally located at the end-users premises and those end-users are often billed on a flat per kilowatt-hour rate that does not reflect time-varying valuation. As a result, the benefits to many owners of solar PV in reduced electricity bills do not reflect thetruetime-varyingvaluationofthepowerthepanelsproduce. IusesolarPVproduction information in conjunction with wholesale price data and simulations to estimate the actual wholesale value of power from solar PVs and the degree of bias that occurs from using a constant price to value electricity generated by solar PVs. I find that in the California locations I analyze, the most credible long-run valuation of solar PV power is 29%-48% greater than results from valuation at a flat-rate tariff, depending on the location of the PV

Severin Borenstein; Severin Borenstein

2005-01-01T23:59:59.000Z

207

Thermal-Electric Conversion Efficiency of the Dish/AMTEC Solar Thermal Power System in Wind Condition  

Science Conference Proceedings (OSTI)

The dish/AMTEC solar thermal power system is a newly proposed solar energy utilization system that enables the direct thermal-electric conversion. The performance of the solar dish/AMTEC system in wind condition has been theoretically evaluated in addition ... Keywords: dish/AMTEC solar thermal power system, efficiency, thermal-electric conversion, wind condition

Lan Xiao; Shuang-Ying Wu; You-Rong Li

2012-07-01T23:59:59.000Z

208

The role of hydroelectric generation in electric power systems with large scale wind generation  

E-Print Network (OSTI)

An increasing awareness of the operational challenges created by intermittent generation of electricity from policy-mandated renewable resources, such as wind and solar, has led to increased scrutiny of the public policies ...

Hagerty, John Michael

2012-01-01T23:59:59.000Z

209

Very Large-Scale Deployment of Grid-Connected Solar Photovoltaics in the United States: Challenges and Opportunities; Preprint  

SciTech Connect

This paper analyzes the potential for solar photovoltaics (PV) to be deployed on a very large scale and provide a large fraction of a system's electricity. It explicitly examines how the hourly availability of PV interacts with the limited flexibility of traditional electricity generation plants. The authors found that, under high penetration levels and existing grid-operation procedures and rules, the system will have excess PV generation during certain periods of the year. This excess PV generation results in increased costs, which can increase dramatically when PV provides on the order of 10%-15% of total electricity demand in systems that are heavily dependent on inflexible baseload steam plants. Measures to increase penetration of PV are also discussed, including increased system flexibility, increased dispatchable load, and energy storage.

Denholm, P.; Margolis, R.

2006-04-01T23:59:59.000Z

210

Very Large-Scale Deployment of Grid-Connected Solar Photovoltaics in the United States: Challenges and Opportunities; Preprint  

DOE Green Energy (OSTI)

This paper analyzes the potential for solar photovoltaics (PV) to be deployed on a very large scale and provide a large fraction of a system's electricity. It explicitly examines how the hourly availability of PV interacts with the limited flexibility of traditional electricity generation plants. The authors found that, under high penetration levels and existing grid-operation procedures and rules, the system will have excess PV generation during certain periods of the year. This excess PV generation results in increased costs, which can increase dramatically when PV provides on the order of 10%-15% of total electricity demand in systems that are heavily dependent on inflexible baseload steam plants. Measures to increase penetration of PV are also discussed, including increased system flexibility, increased dispatchable load, and energy storage.

Denholm, P.; Margolis, R.

2006-04-01T23:59:59.000Z

211

Wind and Solar-Electric (PV) Systems Exemption | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

You are here You are here Home » Wind and Solar-Electric (PV) Systems Exemption Wind and Solar-Electric (PV) Systems Exemption < Back Eligibility Commercial Industrial Residential Savings Category Solar Buying & Making Electricity Wind Maximum Rebate None Program Info State Minnesota Program Type Property Tax Incentive Rebate Amount Solar: 100% exemption from real property taxes Wind: 100% exemption from real and personal property taxes Provider Minnesota Department of Commerce Minnesota excludes the value added by solar-electric (PV) systems installed after January 1, 1992 from real property taxation. In addition all real and personal property of wind-energy systems is exempt from the state's property tax.* However, the land on which a PV or wind system is located remains taxable.

212

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

Renew- ables, The Electricity Journal, Volume 14 (2001),from Real-Time Retail Electricity Pricing: Bill VolatilityReal- Time Retail Electricity Pricing, Energy Journal,28(

Borenstein, Severin

2008-01-01T23:59:59.000Z

213

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

Borenstein, Severin. Electricity Rate Structures and thePrice of Electricity Annual Real Interest Rate DiscountedReal Price of Electricity Annual Real Interest Rate Table 4:

Borenstein, Severin

2008-01-01T23:59:59.000Z

214

Research on Multistep Electricity Price Model with Bidirectional Regulation for Large Consumers  

Science Conference Proceedings (OSTI)

A multistep electricity price model with bidirectional regulation is proposed for large adjustable consumers in the area with abundant hydropower. In order to guide large consumers to regulate electricity consumption manners for resource utilization, ... Keywords: multistep electricity price, bidirectional regulation, large consumers, high and low water period, Monte Carlo simulation, price elasticity of demand

Xia Lei; Dong-xian Yu; Xiao-li Bai

2010-06-01T23:59:59.000Z

215

Large Extra Dimensions, Sterile Neutrinos and Solar Neutrino Data  

Science Conference Proceedings (OSTI)

Solar, atmospheric, and LSND neutrino oscillation results require a light sterile neutrino, {nu}{sub B} , which can exist in the bulk of extra dimensions. Solar {nu}{sub e} , confined to the brane, can oscillate in the vacuum to the zero mode of {nu}{sub B} and via successive Mikheyev-Smirnov-Wolfenstein transitions to Kaluza-Klein states of {nu}{sub B} . This new way to fit solar data is provided by both low and intermediate string scale models. From average rates seen in the three types of solar experiments, the Super-Kamiokande spectrum is predicted with 73% probability, but dips characteristic of the 0.06 mm extra dimension should be seen in the SNO spectrum.

Caldwell, D. O.; Mohapatra, R. N.; Yellin, S. J.

2001-07-23T23:59:59.000Z

216

NREL Confirms Large Potential for Grid Integration of Wind, Solar...  

NLE Websites -- All DOE Office Websites (Extended Search)

data to carry out the study. The types of solar power represented in SAM include such CSP technologies as parabolic troughs, dish-Stirling systems, and power towers, as well as...

217

40 kW of solar cell modules for the Large Scale Production Task, a Low Cost Silicon Solar Array Project. Final technical report  

SciTech Connect

Forty kilowatts of solar cell modules was produced in this program. This is equivalent to 4123 modules. The average power output per module was 9.7 watts at 16.5 volts, 60/sup 0/C and 100 mW/cm/sup 2/. The peak production rate was 200 modules per week which is equal to 1.9 kW per week. This rate was sustained for over four and one-half months and is equivalent to 100 kW per year. The solar cell module design, electrical and power performance, module preproduction environmental test results, production and shipping schedule, program summary, and delivery are described. A cost analysis section is written. Particular emphasis on the percentage of labor and material utilized in constructing a solar cell module is presented. Also included are cost reduction recommendations. It was concluded from this program that volume production on the order of hundreds of kilowatts per year per company as a minimum is required to significantly reduce the price per watt for solar cell modules. Sensor Technology more than doubled its solar cell module manufacturing facilities since the completion of the JPL Block II procurement. Plans are being made for large scale expansion of our facilities to meet growing JPL/DOE procurements.

Jones, G.T.

1977-12-01T23:59:59.000Z

218

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

energy generation from wind, geothermal, biomass, and central station solar thermal, with a 5% annual increase in the real cost

Borenstein, Severin

2008-01-01T23:59:59.000Z

219

The Large Scale Roll-Out of Electric Vehicles  

E-Print Network (OSTI)

the emissions reduction targets. Within the transport sector, electric vehicles (EV) are considered as one of the important mitigation options. However the effect of EVs on emissions and the electricity sector is subject to debate. We use scenario analysis...

Talaei, Alireza; Begg, Katherine; Jamasb, Tooraj

2012-10-26T23:59:59.000Z

220

Initial appraisal of solar thermal electric energy in Tibet and Xinjiang Provinces, People`s Republic of China  

DOE Green Energy (OSTI)

At the request of US sponsors Spencer Management Associates (SMA) and Sun{diamond}Lab, China`s Center for Renewable Energy Development and former Ministry of Electric Power conducted an initial appraisal of the issues involved with developing China`s first solar thermal electric power plant in the sunbelt regions of Tibet or Xinjiang provinces. The appraisal concerns development of a large-scale, grid-connected solar trough or tower project capable of producing 30 or more megawatts of electricity. Several of the findings suggest that Tibet could be a niche market for solar thermal power because a solar plant may be the low-cost option relative to other methods of generating electricity. China has studied the concept of a solar thermal power plant for quite some time. In 1992, it completed a pre-feasibility study for a SEGS-type parabolic trough plant with the aid of Israel`s United Development Limited. Because the findings were positive, both parties agreed to conduct a full-scale feasibility study. However, due to funding constraints, the study was postponed. Most recently, Sun{diamond}Lab and SMA asked China to broaden the analysis to include tower as well as trough concepts. The findings of this most recent investigation completed i November of 1997, are the subject of this paper. The main conclusions of all studies conducted to date suggest that a region in the proximity of Lhasa, Tibet, offers the best near-term opportunity within China. The opportunities for solar thermal power plants in other regions of China were also investigated.

Li Junfeng; Zhu Li [Energy Research Inst., Beijing (China). Center for Renewable Energy Development; Liu Zhan; Zhang Yuan [State Power Company (China); Washom, B. [Spencer Management Associates (United States); Kolb, G. [Sandia National Labs., Albuquerque, NM (United States). Sun-Lab

1998-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Aerosols for Concentrating Solar Electricity Production Forecasts: Requirement Quantification and ECMWF/MACC Aerosol Forecast Assessment  

Science Conference Proceedings (OSTI)

The potential for transferring a larger share of our energy supply toward renewable energy is a widely discussed goal in society, economics, environment, and climate-related programs. For a larger share of electricity to come from fluctuating solar and ...

Marion Schroedter-Homscheidt; Armel Oumbe; Angela Benedetti; Jean-Jacques Morcrette

2013-06-01T23:59:59.000Z

222

EVALUATION OF A SULFUR OXIDE CHEMICAL HEAT STORAGE PROCESS FOR A STEAM SOLAR ELECTRIC PLANT  

E-Print Network (OSTI)

efficiency of thermal energy storage. In addition, the ratio of the solarefficiency for the total operation, the net total electric energy produced divided by the total thermal energy absorbed by the solar

Dayan, J.

2011-01-01T23:59:59.000Z

223

Minnesota Power - Solar-Electric (PV) Rebate Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Minnesota Power - Solar-Electric (PV) Rebate Program Minnesota Power - Solar-Electric (PV) Rebate Program Minnesota Power - Solar-Electric (PV) Rebate Program < Back Eligibility Commercial Industrial Residential Savings Category Solar Buying & Making Electricity Maximum Rebate $20,000 or 60% of installed costs, including Minnesota Made, NABCEP, and Nonprofit bonuses Energy Efficiency Bonus: $5,000 or or 15% of installed costs One rebate per customer per year Program Info Start Date 2004 Expiration Date 12/31/2013 State Minnesota Program Type Utility Rebate Program Rebate Amount Base Rebate: $1,000/kilowatt DC Minnesota Made Bonus: $800/kilowatt NABCEP Bonus: $800/kilowatt Nonprofit Bonus: $500/kilowatt Energy Efficiency Bonus: $800/kilowatt Provider Minnesota Power Minnesota Power offers a rebate of $1,000 per kilowatt (kW) DC for

224

S/EV 92 (Solar and Electric Vehicles): Proceedings. Volume 1  

DOE Green Energy (OSTI)

Volume I of these proceedings presents current research on solar and electric powered vehicles. Both fundamental and advanced concepts concerning electric vehicles are presented. The use of photovoltaic cells in electric vehicles and in a broader sense as a means of power generation are discussed. Information on electric powered fleets and races is included. And policy and regulations, especially pertaining to air quality and air pollution abatement are presented.

Not Available

1992-12-01T23:59:59.000Z

225

EERE Roofus' Solar and Efficient Home: Electric Meter  

NLE Websites -- All DOE Office Websites (Extended Search)

Electric Meter Illustration of a round electric meter with small dials and a digital screen reading 15232.2. If you live in a house, somewhere on it should be an electric meter. It...

226

TIME DISTRIBUTIONS OF LARGE AND SMALL SUNSPOT GROUPS OVER FOUR SOLAR CYCLES  

SciTech Connect

Here we analyze solar activity by focusing on time variations of the number of sunspot groups (SGs) as a function of their modified Zurich class. We analyzed data for solar cycles 20-23 by using Rome (cycles 20 and 21) and Learmonth Solar Observatory (cycles 22 and 23) SG numbers. All SGs recorded during these time intervals were separated into two groups. The first group includes small SGs (A, B, C, H, and J classes by Zurich classification), and the second group consists of large SGs (D, E, F, and G classes). We then calculated small and large SG numbers from their daily mean numbers as observed on the solar disk during a given month. We report that the time variations of small and large SG numbers are asymmetric except for solar cycle 22. In general, large SG numbers appear to reach their maximum in the middle of the solar cycle (phases 0.45-0.5), while the international sunspot numbers and the small SG numbers generally peak much earlier (solar cycle phases 0.29-0.35). Moreover, the 10.7 cm solar radio flux, the facular area, and the maximum coronal mass ejection speed show better agreement with the large SG numbers than they do with the small SG numbers. Our results suggest that the large SG numbers are more likely to shed light on solar activity and its geophysical implications. Our findings may also influence our understanding of long-term variations of the total solar irradiance, which is thought to be an important factor in the Sun-Earth climate relationship.

Kilcik, A.; Yurchyshyn, V. B.; Abramenko, V.; Goode, P. R.; Cao, W. [Big Bear Solar Observatory, Big Bear City, CA 92314 (United States); Ozguc, A. [Kandilli Observatory and Earthquake Research Institute, Bogazici University, 34684 Istanbul (Turkey); Rozelot, J. P. [Nice University, OCA-Fizeau Dpt. Av. Copernic, 06130 Grasse (France)

2011-04-10T23:59:59.000Z

227

Grid-connected Solar Electric Systems: The Earthscan Expert Handbook for Planning, Design and Installation  

Science Conference Proceedings (OSTI)

Solar electricity or photovoltaics (PV) is the world's fastest growing energy technology. It can be used on a wide variety of scales, from single dwellings to utility-scale solar farms providing power for whole communities. It can be integrated into ...

Geoff Stapleton; Susan Neill

2012-01-01T23:59:59.000Z

228

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

during electricity transmission and distribution increasesand distribution infrastructure if less electricity needselectricity, and also ignores the potential savings in transmission and distribution

Borenstein, Severin

2008-01-01T23:59:59.000Z

229

Large mergers drive changes in ownership of electric generating ...  

U.S. Energy Information Administration (EIA)

Short, timely articles with graphics on energy, facts, issues, and ... (17.5%), El Paso Electric Co. (15.8%), Southern California Edison (15.8%), Public Service ...

230

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

World Conference on Photovoltaic Energy Conversion, Volumeof Solar Photovoltaic Cells, Center for the Study of EnergyPhotovoltaic Subsidies? Center for the Study of Energy

Borenstein, Severin

2008-01-01T23:59:59.000Z

231

New Ulm Public Utilities - Solar Electric Rebate Program | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Program Rebate Amount 1watt (nameplate capacity) New Ulm Public Utilities provides solar photovoltaic (PV) rebates for residential, commercial, and industrial customers....

232

Oncor Electric Delivery - Solar Photovoltaic Standard Offer Program...  

Open Energy Info (EERE)

be certified to UL-1703 standards Start Date 06062011 Installation Requirements All solar photovoltaic system installations must obtain appropriate local building permits and...

233

Nuclear EMP simulation for large-scale urban environments. FDTD for electrically large problems.  

SciTech Connect

In case of a terrorist nuclear attack in a metropolitan area, EMP measurement could provide: (1) a prompt confirmation of the nature of the explosion (chemical or nuclear) for emergency response; and (2) and characterization parameters of the device (reaction history, yield) for technical forensics. However, urban environment could affect the fidelity of the prompt EMP measurement (as well as all other types of prompt measurement): (1) Nuclear EMP wavefront would no longer be coherent, due to incoherent production, attenuation, and propagation of gamma and electrons; and (2) EMP propagation from source region outward would undergo complicated transmission, reflection, and diffraction processes. EMP simulation for electrically-large urban environment: (1) Coupled MCNP/FDTD (Finite-difference time domain Maxwell solver) approach; and (2) FDTD tends to be limited to problems that are not 'too' large compared to the wavelengths of interest because of numerical dispersion and anisotropy. We use a higher-order low-dispersion, isotropic FDTD algorithm for EMP propagation.

Smith, William S. [Los Alamos National Laboratory; Bull, Jeffrey S. [Los Alamos National Laboratory; Wilcox, Trevor [Los Alamos National Laboratory; Bos, Randall J. [Los Alamos National Laboratory; Shao, Xuan-Min [Los Alamos National Laboratory; Goorley, John T. [Los Alamos National Laboratory; Costigan, Keeley R. [Los Alamos National Laboratory

2012-08-13T23:59:59.000Z

234

1Electricity from Sunlight: The RBSP Spacecraft Solar Panels NASA's twin Radiation Belts Storm Probe (RBSP) spacecraft will be  

E-Print Network (OSTI)

satellite to the nearest hundred watts? Space Math http://spacemath.gsfc.nasa.gov #12;Answer Key 1 Problem 11Electricity from Sunlight: The RBSP Spacecraft Solar Panels NASA's twin Radiation Belts Storm of the 10 solar cells in square-meters? Problem 3 ­ The amount of electrical power generated by a solar

235

New, Cost-Competitive Solar Plants for Electric Utilities  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Amonix to develop its 7700 Amonix to develop its 7700 system, which drastically reduces the requirement for costly solar cells by using Fresnel lenses to concentrate sunlight 500 times onto small, highly efficient photovoltaic cells. This reduces the cell area so that expensive solar cell materials can be replaced with inexpensive plastic lenses. Amonix Inc. (Torrance, CA), founded in 1989, develops and

236

Large-scale solar cycle features of solar photospheric magnetic field  

E-Print Network (OSTI)

It is well accepted that the solar cycle originates from a magnetohydrodynamics dynamo deep inside the Sun. Many dynamo models have long been proposed based on a lot of observational constraints. In this paper, using 342 NSO/Kitt Peak solar synoptic charts we study the solar cycle phases in different solar latitudinal zones to set further constraints. Our results can be summarized as follows. (1) The variability of solar polar regions' area has a correlation with total unsigned magnetic flux in advance of 5 years. (2) The high-latitude region mainly appears unipolar in the whole solar cycle and its flux peak time lags sunspot cycle for 3 years. (3) For the activity belt, it is not surprised that its phase be the same as sunspot's. (4) The flux peak time of the low-latitude region shifts forward with an average gradient of 32.2 $day/deg$. These typical characteristics may provide some hints for constructing an actual solar dynamo.

W. B. Song

2007-05-14T23:59:59.000Z

237

Large-scale solar cycle features of solar photospheric magnetic field  

E-Print Network (OSTI)

It is well accepted that the solar cycle originates from a magnetohydrodynamics dynamo deep inside the Sun. Many dynamo models have long been proposed based on a lot of observational constraints. In this paper, using 342 NSO/Kitt Peak solar synoptic charts we study the solar cycle phases in different solar latitudinal zones to set further constraints. Our results can be summarized as follows. (1) The variability of solar polar regions' area has a correlation with total unsigned magnetic flux in advance of 5 years. (2) The high-latitude region mainly appears unipolar in the whole solar cycle and its flux peak time lags sunspot cycle for 3 years. (3) For the activity belt, it is not surprised that its phase be the same as sunspot's. (4) The flux peak time of the low-latitude region shifts forward with an average gradient of 32.2 $day/deg$. These typical characteristics may provide some hints for constructing an actual solar dynamo.

Song, W B

2007-01-01T23:59:59.000Z

238

GLOBAL ENERGETICS OF THIRTY-EIGHT LARGE SOLAR ERUPTIVE EVENTS  

SciTech Connect

We have evaluated the energetics of 38 solar eruptive events observed by a variety of spacecraft instruments between 2002 February and 2006 December, as accurately as the observations allow. The measured energetic components include: (1) the radiated energy in the Geostationary Operational Environmental Satellite 1-8 A band, (2) the total energy radiated from the soft X-ray (SXR) emitting plasma, (3) the peak energy in the SXR-emitting plasma, (4) the bolometric radiated energy over the full duration of the event, (5) the energy in flare-accelerated electrons above 20 keV and in flare-accelerated ions above 1 MeV, (6) the kinetic and potential energies of the coronal mass ejection (CME), (7) the energy in solar energetic particles (SEPs) observed in interplanetary space, and (8) the amount of free (non-potential) magnetic energy estimated to be available in the pertinent active region. Major conclusions include: (1) the energy radiated by the SXR-emitting plasma exceeds, by about half an order of magnitude, the peak energy content of the thermal plasma that produces this radiation; (2) the energy content in flare-accelerated electrons and ions is sufficient to supply the bolometric energy radiated across all wavelengths throughout the event; (3) the energy contents of flare-accelerated electrons and ions are comparable; (4) the energy in SEPs is typically a few percent of the CME kinetic energy (measured in the rest frame of the solar wind); and (5) the available magnetic energy is sufficient to power the CME, the flare-accelerated particles, and the hot thermal plasma.

Emslie, A. G. [Department of Physics and Astronomy, Western Kentucky University, Bowling Green, KY 42101 (United States); Dennis, B. R.; Shih, A. Y.; Chamberlin, P. C. [NASA Goddard Space Flight Center, Code 671, Greenbelt, MD 20771 (United States); Mewaldt, R. A. [Space Radiation Laboratory, California Institute of Technology, Pasadena, CA 91125 (United States); Moore, C. S. [Center for Astrophysics and Space Astronomy, University of Colorado, Boulder, CO 80309 (United States); Share, G. H. [Department of Astronomy, University of Maryland, College Park, MD 20742 (United States); Vourlidas, A. [Naval Research Laboratory, Code 7663, Washington, DC 20375 (United States); Welsch, B. T., E-mail: emslieg@wku.edu, E-mail: brian.r.dennis@nasa.gov, E-mail: albert.y.shih@nasa.gov, E-mail: phillip.c.chamberlin@nasa.gov, E-mail: rmewaldt@srl.caltech.edu, E-mail: christopher.moore-1@colorado.edu, E-mail: share@astro.umd.edu, E-mail: vourlidas@nrl.navy.mil, E-mail: welsch@ssl.berkeley.edu [Space Sciences Laboratory, University of California, Berkeley, CA 94720 (United States)

2012-11-01T23:59:59.000Z

239

Treatment of Solar Generation in Electric Utility Resource Planning  

SciTech Connect

Today's utility planners have a different market and economic context than their predecessors, including planning for the growth of renewable energy. State and federal support policies, solar photovoltaic (PV) price declines, and the introduction of new business models for solar PV 'ownership' are leading to increasing interest in solar technologies (especially PV); however, solar introduces myriad new variables into the utility resource planning decision. Most, but not all, utility planners have less experience analyzing solar than conventional generation as part of capacity planning, portfolio evaluation, and resource procurement decisions. To begin to build this knowledge, utility staff expressed interest in one effort: utility exchanges regarding data, methods, challenges, and solutions for incorporating solar in the planning process. Through interviews and a questionnaire, this report aims to begin this exchange of information and capture utility-provided information about: 1) how various utilities approach long-range resource planning; 2) methods and tools utilities use to conduct resource planning; and, 3) how solar technologies are considered in the resource planning process.

Sterling, J.; McLaren, J.; Taylor, M.; Cory, K.

2013-10-01T23:59:59.000Z

240

One-point statistics and intermittency of induced electric field in the solar wind  

E-Print Network (OSTI)

The interplanetary induced electric field e=vxb is studied, using solar wind time series. The probability distribution functions (PDFs) of the electric field components are measured from the data and their non-gaussianity is discussed. Moreover, for the first time we show that the electric field turbulence is characterized by intermittency. This point is addressed by studying, as usual, the scaling of the PDFs of field increments, which allows a quantitative characterization of intermittency.

Luca Sorriso-Valvo; Vincenzo Carbone; Roberto Bruno

2004-05-26T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Smart grid adds value to solar photovoltaics  

Science Conference Proceedings (OSTI)

This panel session examines the challenges and opportunities of integrating large scale solar photovoltaic units into the electric power grid. As large solar PV projects (hundreds of MW) come online, their output variation due to weather changes will ...

2012-01-01T23:59:59.000Z

242

The Market Value and Cost of Solar Photovoltaic Electricity Production  

E-Print Network (OSTI)

2: Hourly Average Real-time Price and Solar PV ProductionWeekdays Hour of Day Real-Time Price PV - South PV - West PVwest if faced with real-time prices, but an analysis of the

Borenstein, Severin

2008-01-01T23:59:59.000Z

243

Planning a Home Solar Electric System | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

site, you'll also need to consider both the geographic orientation and the tilt of your solar panels -- PV modules -- as both can affect your system's performance. The Economics...

244

Effects of regional insolation differences upon advanced solar thermal electric power plant performance and energy costs  

DOE Green Energy (OSTI)

This study determines the performance and cost of four 10 MWe advanced solar thermal electric power plants sited in various regions of the continental United States. The solar plants are conceptualized to begin commercial operation in the year 2000. It is assumed that major subsystem performance will have improved substantially as compared to that of pilot plants currently operating or under construction. The net average annual system efficiency is therefore roughly twice that of current solar thermal electric power plant designs. Similarly, capital costs reflecting goals based on high-volume mass production that are considered to be appropriate for the year 2000 have been used. These costs, which are approximately an order of magnitude below the costs of current experimental projects, are believed to be achievable as a result of the anticipated sizeable solar penetration into the energy market in the 1990 to 2000 timeframe. The paraboloidal dish, central receiver, cylindrical parabolic trough, and compound parabolic concentrators comprise the advanced collector concepts studied. All concepts exhibit their best performance when sited in regional areas such as the sunbelt where the annual insolation is high. The regional variation in solar plant performance has been assessed in relation to the expected rise in the future cost of residential and commercial electricity in the same regions. A discussion of the regional insolation data base, a description of the solar systems performance and costs, and a presentation of a range for the forecast cost of conventional electricity by region and nationally over the next several decades are given.

Latta, A.F.; Bowyer, J.M.; Fujita, T.; Richter, P.H.

1980-02-01T23:59:59.000Z

245

Solar Trough Organic Rankine Electricity System (STORES) Stage 1: Power Plant Optimization and Economics; November 2000 -- May 2005  

DOE Green Energy (OSTI)

Report regarding a Stage 1 Study to further develop the concept of the Solar Trough Organic Rankine Cycle Electricity Systems (STORES).

Prabhu, E.

2006-03-01T23:59:59.000Z

246

Treatment of Solar Generation in Electric Utility Resource Planning (Presentation)  

Science Conference Proceedings (OSTI)

Today's utility planners have a different market and economic context than their predecessors, including planning for the growth of renewable energy. Through interviews and a questionnaire, the authors gathered information on utility supply planning and how solar is represented. Utilities were asked to provide their resource planning process details, key assumptions (e.g. whether DG is represented as supply or negative load), modeling methodology (e.g. type of risk analytics and candidate portfolio development), capacity expansion and production simulation model software, and solar project representation (project size, capacity value and integration cost adder). This presentation aims to begin the exchange of information between utilities, regulators and other stakeholders by capturing utility-provided information about: 1) how various utilities approach long-range resource planning; 2) methods and tools utilities use to conduct resource planning; and, 3) how solar technologies are considered in the resource planning process.

Cory, K.; Sterling, J.; Taylor, M.; McLaren, J.

2014-01-01T23:59:59.000Z

247

Adapting Utility Solar Strategies for a Changing Electricity Landscape: Innovative Business Approaches for Consideration  

Science Conference Proceedings (OSTI)

This report considers the need for outside-the-box electric utility strategies that manage future deployment of distributed solar. Business models are discussed that offer potential to technically and financially align with utility interests and inform future planning and program development. For example, benefits and challenges of utility approaches that foster collaboration with third-party solar operators (TPO) are examined. In addition, the merits and technical feasibility of ...

2013-12-20T23:59:59.000Z

248

Monthly Diurnal Global Atmospheric Circuit Estimates Derived from Vostok Electric Field Measurements Adjusted for Local Meteorological and Solar Wind Influences  

Science Conference Proceedings (OSTI)

Local temperature, wind speed, pressure, and solar windimposed influences on the vertical electric field observed at Vostok, Antarctica, are evaluated by multivariate analysis. Local meteorology can influence electric field measurements via local ...

G. B. Burns; B. A. Tinsley; A. V. Frank-Kamenetsky; O. A. Troshichev; W. J. R. French; A. R. Klekociuk

2012-06-01T23:59:59.000Z

249

Oncor Electric Delivery - Solar Photovoltaic Standard Offer Program...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Program Type Utility Rebate Program Rebate Amount Residential: 538.79kW AC and 0.53kWh AC Non-residential: 538.79kW AC and 0.41kWh AC The 2013 Oncor Solar Photovoltaic...

250

Evaluation of power production from the solar electric generating systems at Kramer Junction: 1988 to 1993  

DOE Green Energy (OSTI)

The five Solar Electric Generating Systems (SEGS) at Kramer Junction, California, now have nearly 30 years of cumulative operating experience. These 30 MW plants employ parabolic trough technology originally deployed by LUZ International in the late 1980`s and are now managed, operated and maintained by the Kramer Junction Company. In this paper, Sandia National Laboratories performed an analysis of the annual energy production from the five plants. Annual solar-to-electric conversion efficiencies are calculated and the major factors that influenced the results are presented. The generally good efficiencies are primarily attributed to the excellent equipment availabilities achieved at all plants.

Kolb, G.J.

1994-12-31T23:59:59.000Z

251

Solar Power in the Desert: Are the current large-scale solar developments really improving Californias environment?  

E-Print Network (OSTI)

Jenerette. 2010. Box 11: Two paths towards solar energy:Photovoltaic vs Solar Thermal. In: Planetary Stewardship.government betting on the wrong solar horse. Natural Gas &

Allen, Michael F.; McHughen, Alan

2011-01-01T23:59:59.000Z

252

Experimental Performance of a Solar Collector in Solar Chimney Power Plant System  

Science Conference Proceedings (OSTI)

Solar chimney power plant has been proposed as a device to economically generate electricity from solar energy in large scale in the future. There are many factors to influence on the performance of the solar collector. This paper describes details of ... Keywords: generate electricity, thermal storage material, pebbles, solar collector

Huilan Huang; Gang Li; Hua Zhang

2010-06-01T23:59:59.000Z

253

A prepaid architecture for solar electricity delivery in rural areas  

Science Conference Proceedings (OSTI)

This paper demonstrates a model for electricity delivery and revenue collection in a rural context with the potential to increase the reliability of service delivery and lower operating costs compared to traditional fixed monthly fee utilities. The microutility ...

Daniel Soto; Edwin Adkins; Matt Basinger; Rajesh Menon; Sebastian Rodriguez-Sanchez; Natasha Owczarek; Ivan Willig; Vijay Modi

2012-03-01T23:59:59.000Z

254

Overview and Challenges of Thin Film Solar Electric Technologies  

DOE Green Energy (OSTI)

In this paper, we report on the significant progress made worldwide by thin-film solar cells, namely, amorphous silicon (a-Si), cadmium telluride (CdTe), and copper indium gallium diselenide (CIGS). Thin-film photovoltaic (PV) technology status is also discussed in detail. In addition, R&D and technology challenges in all three areas are elucidated. The worldwide estimated projection for thin-film PV technology production capacity announcements are estimated at more than 5000 MW by 2010.

Ullal, H. S.

2008-12-01T23:59:59.000Z

255

NREL Confirms Large Potential for Grid Integration of Wind, Solar Power (Fact Sheet)  

DOE Green Energy (OSTI)

To fully harvest the nation's bountiful wind and solar resources, it is critical to know how much electrical power from these renewable resources could be integrated reliably into the grid. To inform the discussion about the potential of such variable sources, the National Renewable Energy Laboratory (NREL) launched two key regional studies, examining the east and west sections of the U.S. power grid. The studies show that it is technically possible for U.S. power systems to integrate 20%-35% renewable electricity if infrastructure and operational improvements can be made.

Not Available

2011-10-01T23:59:59.000Z

256

Proceedings of the 13th Sede Boqer Symposium on Solar Electricity Production 1 October 31-November 1, 2005  

E-Print Network (OSTI)

Proceedings of the 13th Sede Boqer Symposium on Solar Electricity Production 1 October 31-November derived #12;2 Proceedings of the 13th Sede Boqer Symposium on Solar Electricity Production October 31. The picture shows a 3.6 KWpeak rooftop mounted system in Magdeburg/Germany (Picture taken by the installer

Heinemann, Detlev

257

Method of removing the effects of electrical shorts and shunts created during the fabrication process of a solar cell  

DOE Patents (OSTI)

A method of removing the effects of electrical shorts and shunts created during the fabrication process and improving the performance of a solar cell with a thick film cermet electrode opposite to the incident surface by applying a reverse bias voltage of sufficient magnitude to burn out the electrical shorts and shunts but less than the break down voltage of the solar cell.

Nostrand, Gerald E. (Jamesburg, NJ); Hanak, Joseph J. (Lawrenceville, NJ)

1979-01-01T23:59:59.000Z

258

Search for solar axions in XMASS, a large liquid-xenon detector  

E-Print Network (OSTI)

XMASS, a low-background, large liquid-xenon detector, was used to search for solar axions that would be produced by bremsstrahlung and Compton effects in the Sun. With an exposure of 5.6ton days of liquid xenon, the model-independent limit on the coupling for mass $\\ll$ 1keV is $|g_{aee}|Sun to date.

K. Abe; K. Hieda; K. Hiraide; S. Hirano; Y. Kishimoto; K. Kobayashi; S. Moriyama; K. Nakagawa; M. Nakahata; H. Ogawa; N. Oka; H. Sekiya; A. Shinozaki Y. Suzuki; A. Takeda; O. Takachio; K. Ueshima; D. Umemoto; M. Yamashita; B. S. Yang; S. Tasaka; J. Liu; K. Martens; K. Hosokawa; K. Miuchi; A. Murata; Y. Onishi; Y. Otsuka; Y. Takeuchi; Y. H. Kim; K. B. Lee; M. K. Lee; J. S. Lee; Y. Fukuda; Y. Itow; K. Masuda; Y. Nishitani; H. Takiya; H. Uchida; N. Y. Kim; Y. D. Kim; F. Kusaba; D. Motoki; K. Nishijima; K. Fujii; I. Murayama; S. Nakamura

2012-12-26T23:59:59.000Z

259

Radioisotope electric propulsion of sciencecraft to the outer solar system and near-interstellar space  

Science Conference Proceedings (OSTI)

Recent results are presented in the study of radioisotope electric propulsion as a near-term technology for sending small robotic sciencecraft to the outer Solar System and near-interstellar space. Radioisotope electric propulsion (REP) systems are low-thrust, ion propulsion units based on radioisotope electric generators and ion thrusters. Powerplant specific masses are expected to be in the range of 100 to 200 kg/kW of thrust power. Planetary rendezvous missions to Pluto, fast missions to the heliopause (100 AU) with the capability to decelerate an orbiter for an extended science program and prestellar missions to the first gravitational lens focus of the Sun (550 AU) are investigated.

Noble, R.J.

1998-08-01T23:59:59.000Z

260

Microscopic Measurements of Electrical Potential in Hydrogenated Nanocrystalline Silicon Solar Cells: Preprint  

DOE Green Energy (OSTI)

We report on a direct measurement of electrical potential and field profiles across the n-i-p junction of hydrogenated nanocrystalline silicon (nc-Si:H) solar cells, using the nanometer-resolution potential imaging technique of scanning Kelvin probe force microscopy (SKPFM). It was observed that the electric field is nonuniform across the i layer. It is much higher in the p/i region than in the middle and the n/i region, illustrating that the i layer is actually slightly n-type. A measurement on a nc-Si:H cell with a higher oxygen impurity concentration shows that the nonuniformity of the electric field is much more pronounced than in samples having a lower O impurity, indicating that O is an electron donor in nc-Si:H materials. This nonuniform distribution of electric field implies a mixture of diffusion and drift of carrier transport in the nc-Si:H solar cells. The composition and structure of these nc-Si:H cells were further investigated by using secondary-ion mass spectrometry and Raman spectroscopy, respectively. The effects of impurity and structural properties on the electrical potential distribution and solar cell performance are discussed.

Jiang, C. S.; Moutinho, H. R.; Reedy, R. C.; Al-Jassim, M. M.; Yan, B.; Yue, G.; Sivec, L.; Yang, J.; Guha, S.; Tong, X.

2012-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

If I generate 20 percent of my national electricity from wind and solar -  

Open Energy Info (EERE)

If I generate 20 percent of my national electricity from wind and solar - If I generate 20 percent of my national electricity from wind and solar - what does it do to my GDP and Trade Balance ? Home > Groups > DOE Wind Vision Community I think that the economics of fossil fuesl are well understood. Some gets to find the fuel and sell it. The fuel and all associated activities factor into the economic equation of the nation and the wrold. What is the economics of generating 20 percent of my total capacity from say wind? And all of it replaces coal powered electricty ? What happended to GDP ? Is the economy a net gain or net loss ? The value of the electricity came into the system, but no coal is bought or sold. Submitted by Jamespr on 6 May, 2013 - 17:46 0 answers Groups Menu You must login in order to post into this group.

262

Tavichaimpimu: To Catch the Sun: Large Scale Solar Energy Development in the Great Basin and the Cultural Implications for Numic-Speaking Peoples.  

E-Print Network (OSTI)

??The United States government is considering areas in the five states for the large-scale solar energy development. These solar energy zones (SEZs) contain important Native (more)

Van Vlack, Kathleen A.

2013-01-01T23:59:59.000Z

263

4240 Carson Street, Suite 102 Denver, CO 80239 www.sre3.com SOLAR ELECTRIC SOLAR WATER HEATING ENERGY AUDITS A/C & HEATING INSULATION LIGHTING  

E-Print Network (OSTI)

4240 Carson Street, Suite 102 Denver, CO 80239 www.sre3.com SOLAR ELECTRIC SOLAR WATER HEATING for homeowners, businesses, and government entities that assist them in lowering utility bills, reducing a unique solutions approach based on the RE3 concept, which includes: · Review ­ current energy usage

Colorado at Boulder, University of

264

Penetration and air-emission-reduction benefits of solar technologies in the electric utilities  

DOE Green Energy (OSTI)

The results of a study of four solar energy technologies and the electric utility industry are reported. The purpose of the study was to estimate the penetration by federal region of four solar technologies - wind, biomass, phtovoltaics, and solar thermal - in terms of installed capacity and power generated. The penetration by these technologies occurs at the expense of coal and nuclear power. The displacement of coal plants implies a displacement of their air emissions, such as sulfur dioxide, oxides of nitrogen, and particulate matter. The main conclusion of this study is that solar thermal, photovoltaics, and biomass fail to penetrate significantly by the end of this century in any federal region. Wind energy penetrates the electric utility industry in several regions during the 1990s. Displaced coal and nuclear generation are also estimated by region, as are the corresponding reductions in air emissions. The small-scale penetration by the solar technologies necessarily limits the amount of conventional fuels displaced and the reduction in air emissions. A moderate displacement of sulfur dioxide and the oxides of nitrogen is estimated to occur by the end of this century, and significant lowering of these emissions should occur in the early part of the next century.

Sutherland, R.J.

1981-01-01T23:59:59.000Z

265

Solar Power: Using Photovoltaics to Preserve California's Electricity Capacity Reserves  

DOE Green Energy (OSTI)

The California Power Authority (CPA) is committed to increasing the use of renewable energy supplies--such as photovoltaics and wind--as a hedge against price fluctuations of electricity and natural gas. The CPA wants to own and operate an adequate supply of reserve generation that: - Can be deployed quickly in response to severe summer peak loads, unexpected loss of base and intermediate generation units, and failure of critical transmission facilities; - Will minimize the reliance on spot market purchases during periods when the State is most vulnerable to price gouging from private generators.

Herig, C..

2001-09-01T23:59:59.000Z

266

New Hampshire Electric Co-Op - Large Business Energy Solutions | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

New Hampshire Electric Co-Op - Large Business Energy Solutions New Hampshire Electric Co-Op - Large Business Energy Solutions New Hampshire Electric Co-Op - Large Business Energy Solutions < Back Eligibility Commercial Industrial Savings Category Manufacturing Other Appliances & Electronics Commercial Lighting Lighting Program Info State New Hampshire Program Type Utility Rebate Program Rebate Amount Air Compressors: $120 - $200/HP Additional Compressed Air Storage: $2.75/gallon LED Traffic Light: $60 - 80/unit Light Fixtures: $10 - $150/unit Lighting Controls: $25 - $50/unit Motors (Open Drip Proof): $75 - $2,110 Motors (Totally Enclosed Fan Cooled: $85 - $3,295 ECM Motors: $75/unit Variable Speed Drives: $1,050 - $4,400 Custom: lesser of 35% of the total installed cost or buy down to 1 year pay Provider New Hampshire Electric Co-Op

267

Fluctuations in the interplanetary electric potential and energy coupling between the solar-wind and the magnetosphere  

E-Print Network (OSTI)

We utilize solar rotation average geomagnetic index ap and various solar wind plasma and field parameters for four solar cycles 20-23. We perform analysis to search for a best possible coupling function at 27-day time resolution. Regression analysis using these data at different phases of solar activity (increasing including maximum/decreasing including minimum) led us to suggest that the time variation of interplanetary electric potential is a better coupling function for solar wind-magnetosphere coupling. We suspect that a faster rate of change in interplanetary electric potential at the magnetopause might enhance the reconnection rate and energy transfer from the solar wind into the magnetosphere. The possible mechanism that involves the interplanetary potential fluctuations in influencing the solar wind-magnetosphere coupling is being investigated.

Badruddin,

2013-01-01T23:59:59.000Z

268

Solar Power in the Desert: Are the current large-scale solar developments really improving Californias environment?  

E-Print Network (OSTI)

energy_points_8_5x11_solar.pdf). These areas will be subjectJenerette. 2010. Box 11: Two paths towards solar energy:Photovoltaic vs Solar Thermal. In: Planetary Stewardship.

Allen, Michael F.; McHughen, Alan

2011-01-01T23:59:59.000Z

269

Performance improvement of a solar heating system utilizing off-peak electric auxiliary  

DOE Green Energy (OSTI)

The design and construction of a heat pump system suitable for incorporating in a space solar heating system utilizing off-peak storage from the electric utility are described. The performance of the system is evaluated. The refrigerating capacity, heating capacity and compressor horsepower for a heat pump system using a piston type compressor are first determined. The heat pump design is also matched with the existing University of Toledo solar house heating system. The refrigerant is Freon-12 working between a condensing temperature of up to 172/sup 0/F and evaporator temperature between 0/sup 0/F and 75/sup 0/F. The heat pump is then installed. Performance indices for the heat pump and the heating system in general are defined and generated by the on-line computer monitoring system for the 1979/80 heating season operation. Monthly and seasonal indices such as heat pump coefficient of performance, collector efficiency, percent of heating load supplied by solar energy and individual components efficiencies in general are recorded. The data collected is then analyzed and compared with previously collected data. The improvement in the performance resulting from the addition of a piston type compressor with an external motor belt drive is then evaluated. Data collected points to the potentially improved operating performance of a solar heating system utilizing off-peak storage from the electric utility. Data shows that the seasonal percent of space heating load supplied by solar is 60% and the seasonal percent cost of space heating load supplied by solar is 82% with a solar collection coefficient of performance of 4.6. Data also indicates that such a system would pay for itself in 14 years when used in Northwest Ohio.

Eltimsahy, A.H.

1980-06-01T23:59:59.000Z

270

Characterization of solar thermal concepts for electricity generation: Volume 1, Analyses and evaluation  

DOE Green Energy (OSTI)

This study is aimed at providing a relative comparison of the thermodynamic and economic performance in electric applications of several concepts that have been studied and developed in the DOE solar thermal program. Since the completion of earlier systems comparison studies in the late 1970's, there have been a number of years of progress in solar thermal technology. This progress has included development of new solar components, improvements in component and system design detail, construction of working systems, and collection of operating data on the systems. This study provides an updating of the expected performance and cost of the major components and the overall system energy cost for the concepts evaluated. The projections in this study are for the late 1990's time frame, based on the capabilities of the technologies that could be expected to be achieved with further technology development.

Williams, T.A.; Dirks, J.A.; Brown, D.R.; Drost, M.K.; Antoniac, Z.A.; Ross, B.A.

1987-03-01T23:59:59.000Z

271

Characterization of solar thermal concepts for electricity generation: Volume 1, Analyses and evaluation  

SciTech Connect

This study is aimed at providing a relative comparison of the thermodynamic and economic performance in electric applications of several concepts that have been studied and developed in the DOE solar thermal program. Since the completion of earlier systems comparison studies in the late 1970's, there have been a number of years of progress in solar thermal technology. This progress has included development of new solar components, improvements in component and system design detail, construction of working systems, and collection of operating data on the systems. This study provides an updating of the expected performance and cost of the major components and the overall system energy cost for the concepts evaluated. The projections in this study are for the late 1990's time frame, based on the capabilities of the technologies that could be expected to be achieved with further technology development.

Williams, T.A.; Dirks, J.A.; Brown, D.R.; Drost, M.K.; Antoniac, Z.A.; Ross, B.A.

1987-03-01T23:59:59.000Z

272

Supply Curves for Rooftop Solar PV-Generated Electricity for the United States  

NLE Websites -- All DOE Office Websites (Extended Search)

A0-44073 A0-44073 November 2008 Supply Curves for Rooftop Solar PV-Generated Electricity for the United States Paul Denholm and Robert Margolis Supply Curves for Rooftop Solar PV-Generated Electricity for the United States Paul Denholm and Robert Margolis Prepared under Task No. PVB7.6301 Technical Report NREL/TP-6A0-44073 November 2008 National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 * www.nrel.gov NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Operated by the Alliance for Sustainable Energy, LLC Contract No. DE-AC36-08-GO28308 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government.

273

Proposed guidelines for reporting performance of a solar dish/Stirling electric generation system  

DOE Green Energy (OSTI)

Experimental performance data from dish/Stirling system testing can be analyzed to generate a system performance model. An approach to developing an experimentally based performance model of a dish/Stirling system is given. Two methods for analyzing the experimental data are described. To provide information that will permit comparison of dish/Stirling systems, it is necessary to define many of the details involved in calculating system performance data such as the net system output and system solar-to-electric efficiency. This paper describes a set of guidelines for these calculations, based on past experience, especially with the Vanguard dish/Stirling system. Also presented are a set of rating conditions at which a maximum value for system efficiency can be calculated. Comparison between systems of their rated peak solar-to-electric efficiency is made possible when these rating conditions are in common use by manufacturers and testing agencies.

Stine, W.B. [California State Polytechnic Univ., Pomona, CA (US). Dept. of Mechanical Engineering; Powell, M.A. [Sandia National Labs., Albuquerque, NM (US)

1992-12-31T23:59:59.000Z

274

Solar thermal electric power systems with line-focus collectors. Final report  

DOE Green Energy (OSTI)

Electric power generation by conventional Rankine cycle heat engines with heat supplied by line-focus solar collectors was investigated. The objectives of the study were: (1) determine which of four types of line-focus solar collectors coupled with turbine-generators of conventional design has the potential to produce low-cost electric power with thermal energy in 100 to 300/sup 0/C range; (2) develop performance and cost relationships for organic Rankine cycle engines for power generation capacities from 3 MW/sub e/ to 300 MW/sub e/; (3) develop conceptual storage units for organic fluid systems. Evaluation procedures and study results and conclusion are presented and discussed in detail. (WHK)

Duff, W.S.; Karaki, S.; Shaner, W.W.; Wilbur, P.J.; Somers, E.V.; Grimble, R.E.; Wilson, H.S.; Watt, A.D.

1978-12-01T23:59:59.000Z

275

Vacuum gaps with small tunnel currents at large electric field and its  

NLE Websites -- All DOE Office Websites (Extended Search)

Vacuum gaps with small tunnel currents at large electric field and its Vacuum gaps with small tunnel currents at large electric field and its potential applications for energy storage, charge storage and power supplies. Friday, May 27, 2011 - 4:00pm SSRL Conference Room 137-226 Alfred Hubler, Department of Physics, University of Illinois, Urbana-Champaign We study tunnel currents and electric break down in vacuum gaps experimentally and theoretically. We find that electric field at break down in nano vacuum gaps is 3 order of magnitude larger than in macroscopic capacitors. Pointed electrodes increase the limiting field even further. Eigen states in the gap can help to reduce tunnel currents. We discuss applications of this technology for energy storage, charge storage, and power supplies. Speaker Bio: Professor Alfred Hubler is the director of the Center for

276

PATHWAYS OF LARGE-SCALE MAGNETIC COUPLINGS BETWEEN SOLAR CORONAL EVENTS  

SciTech Connect

The high-cadence, comprehensive view of the solar corona by SDO/AIA shows many events that are widely separated in space while occurring close together in time. In some cases, sets of coronal events are evidently causally related, while in many other instances indirect evidence can be found. We present case studies to highlight a variety of coupling processes involved in coronal events. We find that physical linkages between events do occur, but concur with earlier studies that these couplings appear to be crucial to understanding the initiation of major eruptive or explosive phenomena relatively infrequently. We note that the post-eruption reconfiguration timescale of the large-scale corona, estimated from the extreme-ultraviolet afterglow, is on average longer than the mean time between coronal mass ejections (CMEs), so that many CMEs originate from a corona that is still adjusting from a previous event. We argue that the coronal field is intrinsically global: current systems build up over days to months, the relaxation after eruptions continues over many hours, and evolving connections easily span much of a hemisphere. This needs to be reflected in our modeling of the connections from the solar surface into the heliosphere to properly model the solar wind, its perturbations, and the generation and propagation of solar energetic particles. However, the large-scale field cannot be constructed reliably by currently available observational resources. We assess the potential of high-quality observations from beyond Earth's perspective and advanced global modeling to understand the couplings between coronal events in the context of CMEs and solar energetic particle events.

Schrijver, Carolus J.; Title, Alan M.; DeRosa, Marc L. [Lockheed Martin Advanced Technology Center, 3251 Hanover Street, Palo Alto, CA 94304 (United States); Yeates, Anthony R. [Department of Mathematical Sciences, Durham University, Science Laboratories, South Road, Durham DH1 3LE (United Kingdom)

2013-08-20T23:59:59.000Z

277

Evaluation of alternate system configurations for solar repowering electric power plants  

Science Conference Proceedings (OSTI)

An assessment was performed for the Department of Energy to establish the technical feasibility, utility system impact and economic attractiveness of the solar repowered, El Paso Electric (EPE) Company Newman Unit number1. Typical characteristics of a baseline configuration, selected at the initiation of the study, and four alternative systems were defined. System cost estimates were made and a system cost/value analysis was performed. 2 refs.

Van Bibber, L.E.; Parker, W.G.

1981-01-01T23:59:59.000Z

278

Combined Operation of Solar Energy Source Heat Pump, Low-vale Electricity and Floor Radiant System  

E-Print Network (OSTI)

Today energy sources are decreasing and saving energy conservation becomes more important. Therefore, it becomes an important investigative direction how to use reproducible energy sources in the HVAC field. The feasibility and necessity of using solar energy, low-vale electricity as heat sources in a floor radiant system are analyzed. This paper presents a new heat pump system and discusses its operational modes in winter.

Liu, G.; Guo, Z.; Hu, S.

2006-01-01T23:59:59.000Z

279

Mid-Atlantic Region Consumer's Guide to Buying a Solar Electric System - Revision  

DOE Green Energy (OSTI)

Consumers in Pennsylvania, Virginia, Delaware, Maryland, the District of Columbia, West Virginia, and New Jersey are showing increased interest in solar electric systems for their homes and businesses. This booklet provides basic information about buying a PV system. Photovoltaic (PV) systems are reliable, pollution free, and use a renewable source of energy--the sun. A PV system can be a substantial investment and careful planning will help ensure that you make the right decisions.

Maryland Energy Administration

2001-06-19T23:59:59.000Z

280

Mid-Atlantic region consumer's guide to buying a solar electric system  

DOE Green Energy (OSTI)

Consumers in Pennsylvania, Virginia, Delaware, Maryland, the District of Columbia, West Virginia, and New Jersey are showing increased interest in solar electric systems for their homes and businesses. This booklet provides basic information about buying a PV system. Photovoltaic (PV) systems are reliable, pollution free, and use a renewable source of energy, the sun. A PV system can be a substantial investment and careful planning will help ensure that you make the right decisions.

NREL

1999-09-27T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Guidelines for reporting parabolic trough solar electric system performance  

DOE Green Energy (OSTI)

The purpose of this activity is to develop a generic methodology which can be used to track and compare the performance of parabolic trough power plants. The approach needs to be general enough to work for all existing and future parabolic trough plant designs, provide meaningful comparisons of year to year performance, and allow for comparisons between dissimilar plant designs. The approach presented here uses the net annual system efficiency as the primary metric for evaluating the performance of parabolic trough power plants. However, given the complex nature of large parabolic trough plants, the net annual system efficiency by itself does not adequately characterize the performance of the plant. The approach taken here is to define a number of additional performance metrics which enable a more comprehensive understanding of overall plant performance.

Price, H.W.

1997-06-01T23:59:59.000Z

282

NREL Develops Sub-Hour Solar Power Data Set (Fact Sheet), NREL...  

NLE Websites -- All DOE Office Websites (Extended Search)

Sub-Hour Solar Power Data Set NREL data will help utilities incorporate solar energy into their electric power systems. Large-scale deployment of solar energy requires a favorable...

283

SunShot Vision Study: A Comprehensive Analysis of the Potential for U.S. Solar Electricity Generation (Fact Sheet)  

DOE Green Energy (OSTI)

The SunShot Vision Study provides the most comprehensive assessment to date of the potential for solar technologies to meet a significant share of electricity demand in the United States during the next several decades.

Not Available

2012-06-01T23:59:59.000Z

284

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

16, 2013 Solar Energy Technologies Solar energy technologies produce electricity from the energy of the sun. Small solar energy systems can provide electricity for homes,...

285

Comparison of costs for solar electric sources with diesel generators in remote locations  

E-Print Network (OSTI)

-6900, Kingdom of Saudi Arabia. E-mail: robock@envsci.rutgers.edu Published by AAAS onJanuary30,2010www cannot be confined to one location. Furthermore, weather and climate variability preclude observation production on a large scale. We use the term "geoengineering" to refer to solar radiation management (SRM

Paris-Sud XI, Université de

286

Summary of three regional assessment studies of solar electric generation opportunities in the Southwest, Southeast, and Northeast United States  

DOE Green Energy (OSTI)

Market opportunities for solar generation of electricity for utility and for residential/commercial/industrial applications in the Northeast, Southeast, and Southwest regions of the United States were evaluated in three studies (JBF 1979, Stone and Webster 1979a, 1979b) and are summarized. The evaluations were based on both economic analyses and user perception of what they would require to select or approve the use of solar electric generation for themselves or for their employers. Over 30 utilities and several industrial and commercial firms and homeowners were involved. Solar electric technologies considered included biomass, hybrid retrofit, OTEC, photovoltaic, solar thermal, and wind. The studies projected that solar electric technologies could account for several percent of the forecast generation in year 2000 in the Southeast and Southwest regions,and up to 10 to 20% in the Northeast region. No single solar electric technology or application (for utility or industrial/commercial/residential use) arrived earlier at economic breakeven than other technologies in the Southeast region, but wind generation for both utility and industrial applications predominated in the Northeast region. The Southwest region, in which only utility applications were considered, showed wind energy and retrofit hybrid (a solar adjunct to an existing fossil-fueled plant) to be the most likely early applications.

Watts, R.L.; Harty, H.

1981-02-01T23:59:59.000Z

287

Highly-Efficient Thermoelectronic Conversion of Solar Energy and Heat into Electric Power  

E-Print Network (OSTI)

Electric power may, in principle, be generated in a highly efficient manner from heat created by focused solar irradiation, chemical combustion, or nuclear decay by means of thermionic energy conversion. As the conversion efficiency of the thermionic process tends to be degraded by electron space charges, the efficiencies of thermionic generators have amounted to only a fraction of those fundamentally possible. We show that this space-charge problem can be resolved by shaping the electric potential distribution of the converter such that the static electron space-charge clouds are transformed into an output current. Although the technical development of practical generators will require further substantial efforts, we conclude that a highly efficient transformation of heat to electric power may well be achieved.

Meir, S; Geballe, T H; Mannhart, J

2013-01-01T23:59:59.000Z

288

Large parallel and perpendicular electric fields on electron spatial scales in the terrestrial bow shock  

E-Print Network (OSTI)

Large parallel ($\\leq$ 100 mV/m) and perpendicular ($\\leq$ 600 mV/m) electric fields were measured in the Earth's bow shock by the vector electric field experiment on the Polar satellite. These are the first reported direct measurements of parallel electric fields in a collisionless shock. These fields exist on spatial scales comparable to or less than the electron skin depth (a few kilometers) and correspond to magnetic field-aligned potentials of tens of volts and perpendicular potentials up to a kilovolt. The perpendicular fields are amongst the largest ever measured in space, with energy densities of $\\epsilon_0 E^2/ n k_b T_e$ of order 10%. The measured parallel electric field implies that the electrons can be demagnetized, which may result in stochastic (rather than coherent) electron heating.

S. D. Bale; F. S. Mozer

2007-03-08T23:59:59.000Z

289

Evaluation of a sulfur oxide chemical heat storage process for a steam solar electric plant  

DOE Green Energy (OSTI)

The purpose of this study was to develop and evaluate technically feasible process configurations for the use of the sulfur oxide system, 2 SO/sub 3/ reversible 2 SO/sub 2/ + O/sub 2/, in energy storage. The storage system is coupled with a conventional steam-cycle power plant. Heat for both the power plant and the storage system is supplied during sunlit hours by a field of heliostats focussed on a central solar receiver. When sunlight is not available, the storage system supplies the heat to operate the power plant. A technically feasible, relatively efficient configuration is proposed for incorporating this type of energy storage system into a solar power plant. Complete material and energy balances are presented for a base case that represents a middle range of expected operating conditions. Equipment sizes and costs were estimated for the base case to obtain an approximate value for the cost of the electricity that would be produced from such an installation. In addition, the sensitivity of the efficiency of the system to variations in design and operating conditions was determined for the most important parameters and design details. In the base case the solar tower receives heat at a net rate of 230 MW(t) for a period of eight hours. Daytime electricity is about 30 MW(e). Nighttime generation is at a rate of about 15 MW(e) for a period of sixteen hours. The overall efficiency of converting heat into electricity is about 26%. The total capital cost for the base case is estimated at about $68 million, of which about 67% is for the tower and heliostats, 11% is for the daytime power plant, and 22% is for the storage system. The average cost of the electricity produced for the base case is estimated to be about 11 cents/kW(e)-hr.

Dayan, J.; Lynn, S.; Foss, A.

1979-07-01T23:59:59.000Z

290

Model As-of Right Zoning Ordinance or Bylaw: Allowing Use of Large-Scale Solar Energy Facilities  

Energy.gov (U.S. Department of Energy (DOE))

Note: This model ordinance was designed to provide guidance to local governments seeking to develop siting rules for large-scale, ground-mounted solar (250 kW and above). While it was developed as...

291

electric | OpenEI  

Open Energy Info (EERE)

electric electric Dataset Summary Description This dataset is part of a larger internal dataset at the National Renewable Energy Laboratory (NREL) that explores various characteristics of large solar electric (both PV and CSP) facilities around the United States. This dataset focuses on the land use characteristics for solar facilities that are either under construction or currently in operation. Source Land-Use Requirements for Solar Power Plants in the United States Date Released June 25th, 2013 (5 months ago) Date Updated Unknown Keywords acres area average concentrating solar power csp Density electric hectares km2 land land requirements land use land-use mean photovoltaic photovoltaics PV solar statistics Data application/vnd.openxmlformats-officedocument.spreadsheetml.sheet icon Master Solar Land Use Spreadsheet (xlsx, 1.5 MiB)

292

Development of Performance Acceptance Test Guidelines for Large Commercial Parabolic Trough Solar Fields: Preprint  

DOE Green Energy (OSTI)

Prior to commercial operation, large solar systems in utility-size power plants need to pass a performance acceptance test conducted by the EPC contractor or owners. In lieu of the present absence of engineering code developed for this purpose, NREL has undertaken the development of interim guidelines to provide recommendations for test procedures that can yield results of a high level of accuracy consistent with good engineering knowledge and practice. The fundamental differences between acceptance of a solar power plant and a conventional fossil-fired plant are the transient nature of the energy source and the necessity to utilize an analytical performance model in the acceptance process. These factors bring into play the need to establish methods to measure steady state performance, potential impacts of transient processes, comparison to performance model results, and the possible requirement to test, or model, multi-day performance within the scope of the acceptance test procedure. The power block and BOP are not within the boundaries of this guideline. The current guideline is restricted to the solar thermal performance of parabolic trough systems and has been critiqued by a broad range of stakeholders in CSP development and technology.

Kearney, D.; Mehos, M.

2010-12-01T23:59:59.000Z

293

Large resource development projects as markets for passive solar technologies. Final report  

DOE Green Energy (OSTI)

A basic premise of this study is that large resource development projects provide a major market opportunity for passive solar manufactured buildings. The primary objectives of the work are to document selected resource development projects and identify their potential housing needs and development schedules, to contact resource industry representatives and assess some of the processes and motivations behind their involvement in housing decisions, and to provide passive solar manufactured buildings producers with results of these steps as early initial market intelligence. The intent is to identify not only the industries, location of their planned projects, and their likely worker housing needs, but also the individuals involved in making housing-related decisions. The 56 identified projects are located within 18 states and cover 11 types of resources. The report documents individual projects, provides protections of total worker-related housing needs, and presents overviews of resource development company involvement in the new construction market. In addition, the report profiles three organizations that expressed a strong interest in implementing the use of low-cost passive solar manufactured buildings in resource-development-related activities.

Roze-Benson, R V

1980-12-01T23:59:59.000Z

294

Method of manufacturing large dish reflectors for a solar concentrator apparatus  

SciTech Connect

A method of manufacturing monolithic glass reflectors for concentrating sunlight in a solar energy system is disclosed. The method of manufacturing allows large monolithic glass reflectors to be made from float glass in order to realize significant cost savings on the total system cost for a solar energy system. The method of manufacture includes steps of heating a sheet of float glass positioned over a concave mold until the sheet of glass sags and stretches to conform to the shape of the mold. The edges of the dish-shaped glass are rolled for structural stiffening around the periphery. The dish-shaped glass is then silvered to create a dish-shaped mirror that reflects solar radiation to a focus. The surface of the mold that contacts the float glass preferably has a grooved surface profile comprising a plurality of cusps and concave valleys. This grooved profile minimizes the contact area and marring of the specular glass surface, reduces parasitic heat transfer into the mold and increases mold lifetime. The disclosed method of manufacture is capable of high production rates sufficiently fast to accommodate the output of a conventional float glass production line so that monolithic glass reflectors can be produced as quickly as a float glass production can make sheets of float glass to be used in the process.

Angel, Roger P (Tucson, AZ); Olbert, Blain H (Tucson, AZ)

2011-12-27T23:59:59.000Z

295

Electric fields in solar magnetic structures due to gradient driven instabilities: heating and acceleration of particles  

E-Print Network (OSTI)

The electrostatic instabilities driven by the gradients of the density, temperature and magnetic field, are discussed in their application to solar magnetic structures. Strongly growing modes are found for some typical plasma parameters. These instabilities i) imply the presence of electric fields that can accelerate the plasma particles in both perpendicular and parallel directions with respect to the magnetic field vector, and ii) can stochastically heat ions. The perpendicular acceleration is to the leading order determined by the $\\bmath{E}\\times \\bmath{B}$-drift acting equally on both ions and electrons, while the parallel acceleration is most effective on electrons. The experimentally confirmed stochastic heating is shown to act mainly in the direction perpendicular to the magnetic field vector and acts stronger on heavier ions. The energy release rate and heating may exceed for several orders of magnitude the value accepted as necessary for a self-sustained heating in the solar corona. The energy sourc...

Vranjes, J

2009-01-01T23:59:59.000Z

296

Dish/Stirling systems: Overview of an emerging commercial solar thermal electric technology  

DOE Green Energy (OSTI)

Dish/Stirling is a solar thermal electric technology which couples parabolic, point-focusing solar collectors and heat engines which employ the Stirling thermodynamic cycle. Since the late 1970s, the development of Dish/Stirling systems intended for commercial use has been in progress in Germany, Japan, and the US. In the next several years it is expected that one or more commercial systems will enter the market place. This paper provides a general overview of this emerging technology, including: a description of the fundamental principles of operation of Dish/Stirling systems; a presentation of the major components of the systems (concentrator, receiver, engine/alternator, and controls); an overview of the actual systems under development around the world, with a discussion of some of the technical issues and challenges facing the Dish/Stirling developers. A brief discussion is also presented of potential applications for small Dish/Stirling systems in northern Mexico.

Strachan, J.W.; Diver, R.B. [Sandia National Labs., Albuquerque, NM (United States); Estrada, C. [Universidad Nacional Autonoma de Mexico, Temixco, Morelos (Spain)

1995-11-01T23:59:59.000Z

297

Small Solar Wind Transients and Their Connection totheLarge-Scale Coronal Structure  

E-Print Network (OSTI)

I.G. : 2006, In situ solar wind and magnetic ?eld signaturesE. : 2008, The IMPACT Solar Wind Electron Analyzer (SWEA).Heliospheric images of the solar wind at Earth. Astrophys.

2009-01-01T23:59:59.000Z

298

Small Solar Wind Transients and Their Connection totheLarge-Scale Coronal Structure  

E-Print Network (OSTI)

I.G. : 2006, In situ solar wind and magnetic ?eld signaturesPenou, E. : 2008, The IMPACT Solar Wind Electron Analyzer (Heliospheric images of the solar wind at Earth. Astrophys.

2009-01-01T23:59:59.000Z

299

Profiling the Built-In Electrical Potential in III-V Multijunction Solar Cells (Poster)  

DOE Green Energy (OSTI)

We have observed three electrical potentials at the top, tunneling, and bottom junctions of GnInP{sub 2}/GaAs tandem-junction solar cells, by performing the UHV-SKPM measurement. The effect of laser illumination was avoided by using GaAs laser with photon energy of 1.4 eV for the AFM operation. We also observed higher potentials at the atomic steps than on the terraces for both p-type GaInP{sub 2} epitaxial layer and p-type GaAs substrate, and found that the potential at steps of GaAs substrate depends on the step directions.

Jiang, C.-S.; Friedman, D. J.; Moutinho, H. R.; Al-Jassim, M. M.

2006-05-01T23:59:59.000Z

300

CO sub 2 emissions from coal-fired and solar electric power plants  

DOE Green Energy (OSTI)

This report presents estimates of the lifetime carbon dioxide emissions from coal-fired, photovoltaic, and solar thermal electric power plants in the United States. These CO{sub 2} estimates are based on a net energy analysis derived from both operational systems and detailed design studies. It appears that energy conservation measures and shifting from fossil to renewable energy sources have significant long-term potential to reduce carbon dioxide production caused by energy generation and thus mitigate global warming. The implications of these results for a national energy policy are discussed. 40 refs., 8 figs., 23 tabs.

Keith, F.; Norton, P.; Brown, D.

1990-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

"Large Power Transformers and the U.S. Electric Grid" Report (June 2012) |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

"Large Power Transformers and the U.S. Electric Grid" Report (June "Large Power Transformers and the U.S. Electric Grid" Report (June 2012) "Large Power Transformers and the U.S. Electric Grid" Report (June 2012) The Office of Electricity Delivery and Energy Reliability has released the "Large Power Transformers and the U.S. Electric Grid" report, an assessment of the procurement and supply environment of large power transformers (LPTs). The report examines the characteristics and procurement of LPTs, including key raw materials and transportation; historical trends and future demands; global and domestic LPT suppliers; and potential issues in the global sourcing of LPTs. LPTs have long been a major concern for the U.S. electric power sector. Key industry sources - including the Energy Sector Specific Plan, the

302

"Large Power Transformers and the U.S. Electric Grid" Report (June 2012) |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

"Large Power Transformers and the U.S. Electric Grid" Report (June "Large Power Transformers and the U.S. Electric Grid" Report (June 2012) "Large Power Transformers and the U.S. Electric Grid" Report (June 2012) The Office of Electricity Delivery and Energy Reliability has released the "Large Power Transformers and the U.S. Electric Grid" report, an assessment of the procurement and supply environment of large power transformers (LPTs). The report examines the characteristics and procurement of LPTs, including key raw materials and transportation; historical trends and future demands; global and domestic LPT suppliers; and potential issues in the global sourcing of LPTs. LPTs have long been a major concern for the U.S. electric power sector. Key industry sources - including the Energy Sector Specific Plan, the

303

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

of new grid connected solar power projects, available atare dropping rapidly, solar power is still more expensivepolitical support for solar power makes it diffi cult for

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

304

Survey and analysis of selected jointly owned large-scale electric utility storage projects  

DOE Green Energy (OSTI)

The objective of this study was to examine and document the issues surrounding the curtailment in commercialization of large-scale electric storage projects. It was sensed that if these issues could be uncovered, then efforts might be directed toward clearing away these barriers and allowing these technologies to penetrate the market to their maximum potential. Joint-ownership of these projects was seen as a possible solution to overcoming the major barriers, particularly economic barriers, of commercializaton. Therefore, discussions with partners involved in four pumped storage projects took place to identify the difficulties and advantages of joint-ownership agreements. The four plants surveyed included Yards Creek (Public Service Electric and Gas and Jersey Central Power and Light); Seneca (Pennsylvania Electric and Cleveland Electric Illuminating Company); Ludington (Consumers Power and Detroit Edison, and Bath County (Virginia Electric Power Company and Allegheny Power System, Inc.). Also investigated were several pumped storage projects which were never completed. These included Blue Ridge (American Electric Power); Cornwall (Consolidated Edison); Davis (Allegheny Power System, Inc.) and Kttatiny Mountain (General Public Utilities). Institutional, regulatory, technical, environmental, economic, and special issues at each project were investgated, and the conclusions relative to each issue are presented. The major barriers preventing the growth of energy storage are the high cost of these systems in times of extremely high cost of capital, diminishing load growth and regulatory influences which will not allow the building of large-scale storage systems due to environmental objections or other reasons. However, the future for energy storage looks viable despite difficult economic times for the utility industry. Joint-ownership can ease some of the economic hardships for utilites which demonstrate a need for energy storage.

Not Available

1982-05-01T23:59:59.000Z

305

36 IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, VOL. 35, NO. 1, JANUARY/FEBRUARY 1999 Multilevel Converters for Large Electric Drives  

E-Print Network (OSTI)

voltage is available, such as in a hybrid electric vehicle. Simulation and experimental results show vehicles (EV's) that have large electric drives will require advanced power electronic inverters to meet--Cascade inverter, common-mode voltage, diode- clamped inverter, electric vehicle, motor drive, multilevel con

Tolbert, Leon M.

306

Plant Support Engineering: Guidance for the Replacement of Large Electric Motors at Nuclear Power Plants  

Science Conference Proceedings (OSTI)

The purpose of this report is to prepare a primary source of guidance for a project manager who is coordinating a team of plant personnel tasked with replacing a large electric motor. The report provides a generic process that describes interfaces and key steps necessary to ensure that the motor is evaluated and replaced in the most cost-effective and efficient means possible. The report also provides guidance regarding the typical composition of the project team and demonstrates how performance of their...

2010-03-15T23:59:59.000Z

307

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

2,000 MW of mainly rooftop solar capacity (smaller than 1.5connected solar, 100 MW of rooftop solar PV, and 200 MW ofthe installation of solar PV on residential rooftops is less

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

308

The absorption chiller in large scale solar pond cooling design with condenser heat rejection in the upper convecting zone  

SciTech Connect

The possibility of using solar ponds as low-cost solar collectors combined with commercial absorption chillers in large scale solar cooling design is investigated. The analysis is based on the combination of a steady-state solar pond mathematical model with the operational characteristics of a commercial absorption chiller, assuming condenser heat rejection in the upper convecting zone (U.C.Z.). The numerical solution of the nonlinear equations involved leads to results which relate the chiller capacity with pond design and environmental parameters, which are also employed for the investigation of the optimum pond size for a minimum capital cost. The derived cost per cooling kW for a 350 kW chiller ranges from about 300 to 500 $/kW cooling. This is almost an order of magnitude lower than using a solar collector field of evacuated tube type.

Tsilingiris, P.T. (Commercial Bank of Greece, Athens (Greece))

1992-07-01T23:59:59.000Z

309

A long-term strategic plan for development of solar thermal electric technology  

DOE Green Energy (OSTI)

Solar thermal electric (STE) technologies--parabolic troughs, power towers, and dish/engine systems--can convert sunlight into electricity efficiently and with minimum effect on the environment. These technologies currently range from developmental to early commercial stages of maturity. This paper summarizes the results of a recent strategic planning effort conducted by the US department of Energy (DOE) to develop a long-term strategy for the development of STE technologies. The planning team led by DOE included representatives from the solar thermal industry, domestic utilities, state energy offices, and Sun{center_dot}Lab (the cooperative Sandia National laboratories/National Renewable Energy Laboratory partnership that supports the STE Program) as well as project developers. The plan was aimed at identifying specific activities necessary to achieve the DOE vision of 20 gigawatts of installed STE capability by the year 2020. The planning team developed five strategies that both build on the strengths of, and opportunities for, STE technology and address weaknesses and threats. These strategies are to: support future commercial opportunities for STE technologies; demonstrate improved performance and reliability of STE components and systems; reduce STE energy costs; develop advanced STE systems and applications; and address nontechnical barriers and champion STE power. The details of each of these strategies are discussed.

Williams, T.A. [National Renewable Energy Lab., Golden, CO (United States); Burch, G. [USDOE, Washington, DC (United States); Chavez, J.M.; Mancini, T.R.; Tyner, C.E. [Sandia National Labs., Albuquerque, NM (United States)

1997-06-01T23:59:59.000Z

310

A long-term strategic plan for development of solar thermal electric technology  

DOE Green Energy (OSTI)

Solar thermal electric (STE) technologies--parabolic troughs, power towers, and dish/engine systems--can convert sunlight into electricity efficiently and with minimum effect on the environment. These technologies currently range from developmental to early commercial stages of maturity. This paper summarizes the results of a recent strategic planning effort conducted by the US Department of Energy (DOE) to develop a long-term strategy for the development of STE technologies (DOE, 1996). The planning team led by DOE included representatives from the solar thermal industry, domestic utilities, state energy offices, and Sun-Lab (the cooperative Sandia National Laboratories/National Renewable Energy Laboratory partnership that supports the STE Program) as well as project developers. The plan was aimed at identifying specific activities necessary to achieve the DOE vision of 20 gigawatts of installed STE capacity by the year 2020. The planning team developed five strategies that both build on the strengths of, and opportunities for, STE technology and address weaknesses and threats. These strategies are to support future commercial opportunities for STE technologies; demonstrate improved performance and reliability of STE components and systems; reduce STE energy costs; develop advanced STE systems and applications; and address nontechnical barriers and champion STE power. The details of each of these strategies are discussed.

Williams, T.A. [National Renewable Energy Lab., Golden, CO (United States); Burch, G.D. [Dept. of Energy, Washington, DC (United States); Chavez, J.M.; Mancini, T.R.; Tyner, C.E. [Sandia National Labs., Albuquerque, NM (United States)

1997-06-01T23:59:59.000Z

311

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Solar Solar EERE plays a key role in advancing America's "all of the above" energy strategy, leading a large network of researchers and other partners to deliver innovative technologies that will make renewable electricity generation cost-competitive with traditional sources of energy. EERE plays a key role in advancing America's "all of the above" energy strategy, leading a large network of researchers and other partners to deliver innovative technologies that will make renewable electricity generation cost-competitive with traditional sources of energy. Image of a neighborhood of single-story homes with solar panels on the roofs. The U.S. Department of Energy (DOE) leads a large network of researchers and other partners to deliver innovative solar photovoltaic and

312

SDO/AIA OBSERVATIONS OF LARGE-AMPLITUDE LONGITUDINAL OSCILLATIONS IN A SOLAR FILAMENT  

Science Conference Proceedings (OSTI)

We present the first Solar Dynamics Observatory/Atmospheric Imaging Assembly observations of the large-amplitude longitudinal (LAL) oscillations in the south and north parts (SP and NP) of a solar filament on 2012 April 7. Both oscillations are triggered by flare activities close to the filament. The period varies with filamentary threads, ranging from 44 to 67 minutes. The oscillations of different threads are out of phase, and their velocity amplitudes vary from 30 to 60 km s{sup -1}, with a maximum displacement of about 25 Mm. The oscillations of the SP repeat for about four cycles without any significant damping and then a nearby C2.4 flare causes the transition from the LAL oscillations of the filament to its later eruption. The filament eruption is also associated with a coronal mass ejection and a B6.8 flare. However, the oscillations of the NP damp with time and die out at last. Our observations show that the activated part of the SP repeatedly shows a helical motion. This indicates that the magnetic structure of the filament is possibly modified during this process. We suggest that the restoring force is the coupling of the magnetic tension and gravity.

Li Ting; Zhang Jun, E-mail: liting@nao.cas.cn, E-mail: zjun@nao.cas.cn [Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 (China)

2012-11-20T23:59:59.000Z

313

A new approach to long-term reconstruction of the solar irradiance leads to large historical solar forcing  

E-Print Network (OSTI)

The variable Sun is the most likely candidate for natural forcing of past climate change on time scales of 50 to 1000 years. Evidence for this understanding is that the terrestrial climate correlates positively with solar activity. During the past 10,000 years, the Sun has experienced substantial variations in activity and there have been numerous attempts to reconstruct solar irradiance. While there is general agreement on how solar forcing varied during the last several hundred years --- all reconstructions are proportional to the solar activity --- there is scientific controversy on the magnitude of solar forcing. We present a reconstruction of the Total and Spectral Solar Irradiance covering 130 nm--10 $\\mu$m from 1610 to the present with annual resolution and for the Holocene with 22-year resolution. We assume that the minimum state of the quiet Sun in time corresponds to the observed quietest area on the present Sun. Then we use available long-term proxies of the solar activity, which are $^{10}$Be isot...

Shapiro, A I; Rozanov, E; Schoell, M; Haberreiter, M; Shapiro, A V; Nyeki, S

2011-01-01T23:59:59.000Z

314

www.uce3.berkeley.edu Understanding the Solar Home Price Premium: Electricity Generation and Green Social Status  

E-Print Network (OSTI)

This study uses a large sample of homes in the San Diego area to provide some of the first capitalization estimates of the resale value of homes with solar panels as compared to comparable homes without solar panels. While the residential solar home market continues to grow, there is surprisingly little direct evidence on the market capitalization effect. We find evidence using both hedonics and a repeat sales index approach that solar panels are capitalized at roughly a 3 % premium. This premium is larger in communities with more registered Prius hybrid vehicles and in communities featuring a larger share of college graduates. 1

Samuel Dastrop; Joshua Graff Zivin; Dora L. Costa; Matthew E. Kahn; Samuel Dastrup; Joshua Graff Zivin; Dora L. Costa; Matthew E. Kahn

2010-01-01T23:59:59.000Z

315

Solar power towers  

DOE Green Energy (OSTI)

The high desert near Barstow, California, has witnessed the development of this country's first two solar power towers. Solar One operated successfully from 1982 to 1988 and proved that power towers work efficiently to produce utility-scale power from sunlight. Solar Two was connected to the utility grid in 1996 and is operating today. Like its predecessor, Solar Two is rated at 10 megawatts. An upgrade of the Solar One plant, Solar Two demonstrates how solar energy can be stored in the form of heat in molten salt for power generation on demand. The experience gained with these two pilot power towers has established a foundation on which industry can develop its first commercial plants. These systems produce electricity on a large scale. They are unique among solar technologies because they can store energy efficiently and cost effectively. They can operate whenever the customer needs power, even after dark or during cloudy weather.

NONE

1998-04-01T23:59:59.000Z

316

Solar power towers  

DOE Green Energy (OSTI)

The high desert near Barstow, California, has witnessed the development of this country`s first two solar power towers. Solar One operated successfully from 1982 to 1988 and proved that power towers work efficiently to produce utility-scale power from sunlight. Solar Two was connected to the utility grid in 1996 and is operating today. Like its predecessor, Solar Two is rated at 10 megawatts. An upgrade of the Solar One plant, Solar Two demonstrates how solar energy can be stored in the form of heat in molten salt for power generation on demand. The experience gained with these two pilot power towers has established a foundation on which industry can develop its first commercial plants. These systems produce electricity on a large scale. They are unique among solar technologies because they can store energy efficiently and cost effectively. They can operate whenever the customer needs power, even after dark or during cloudy weather.

Not Available

1998-04-01T23:59:59.000Z

317

Large scale production task: low cost silicon solar array project. Final technical report  

DOE Green Energy (OSTI)

Several design concepts were evaluated and compared with respect to potential for low cost and automation, protection against weathering, potential for array efficiency as a function of weight and area, potential for design flexibility and exposure to electrical breakdown or leakage to ground. This evaluation program narrowed attention to design concepts involving glass as the primary structural and weather resistant component of the module. The leading specific design structure consisted of the solar cell circuit embedded in polyvinyl butyrate by lamination between a glass front surface and a polyester film rear surface. Preliminary evaluation of this structure in high humidity and thermal cycle was promising, and extensive field experience with similar structures in architectural and automotive applications was favorable. The specific design proposed was comprised of 120 two-inch diameter cells in a series-parallel configuration. The laminate was mounted in an aluminum frame with a neoprene gasket providing the requisite mechanical strength with flexibility. The resulting module size of 15 by 46 inches permits three modules to be neatly fitted into the 46 inch square subarray specified by JPL. The design as modified to accommodate subsequent experience is shown. Performance and environmental test results are presented and discussed.

Not Available

1978-09-01T23:59:59.000Z

318

The Economics of Solar Thermal Electricity For Europe, North Africa, and the Middle East  

E-Print Network (OSTI)

A climate crisis is inevitable unless developing countries limit carbon emissions from the power sector in the near future. This will happen only if the costs of lowcarbon power production become competitive with fossil fuel power. We focus on a leading candidate for investment: solar thermal or concentrating solar power (CSP), a commercially available technology that uses direct sunlight and mirrors to boil water and drive conventional steam turbines. Solar thermal power production in North Africa and the Middle East could provide enough power to Europe to meet the needs of 35 million people by 2020. We compute the subsidies needed to bring CSP to financial parity with fossil-fuel alternatives. They conclude that large-scale deployment of CSP is attainable with subsidy levels that are modest, given the planetary stakes. By the end of the program, unsubsidized CSP projects are likely to be competitive with coal- and gasbased power production in Europe. The question is not whether CSP is feasible but whether programs using CSP

Kevin Ummel; David Wheeler; Kevin Ummel; David Wheeler

2008-01-01T23:59:59.000Z

319

Mobile Solar Tracker Facility  

Science Conference Proceedings (OSTI)

Mobile Solar Tracker Facility. ... NIST's mobile solar tracking facility is used to characterize the electrical performance of photovoltaic panels. ...

2011-11-15T23:59:59.000Z

320

EVALUATION OF A SULFUR OXIDE CHEMICAL HEAT STORAGE PROCESS FOR A STEAM SOLAR ELECTRIC PLANT  

E-Print Network (OSTI)

storage is essential if solar power plants are ever tostorage system into a solar power plant. Complete materialdaytime-only steam-cycle solar power plant, then about two-

Dayan, J.

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

regardless of when the solar power is actually produced. 7has not occurred with solar power. Studies such as thethe average valuation of the solar power if the value is the

Borenstein, Severin

2005-01-01T23:59:59.000Z

322

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

mainly on off-grid solar PV deployment through itsreduced its support for solar PV to cope with the economic60 percent of the solar PV cells in 2010 illustrate that a

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

323

Survey of solar thermal energy storage subsystems for thermal/electric applications  

SciTech Connect

A survey of the current technology and estimated costs of subsystems for storing the thermal energy produced by solar collectors is presented. The systems considered were capable of producing both electricity and space conditioning for three types of loads: a single-family detached residence, an apartment complex of 100 units, and a city of 30,000 residents, containing both single-family residences and apartments. Collector temperatures will be in four ranges: (1) 100 to 250/sup 0/F (used for space heating and single-cycle air conditioners and organic Rankine low-temperature turbines); (2) 300 to 400/sup 0/F (used for dual-cycle air conditioners and low-temperature turbines); (3) 400 to 600/sup 0/F (using fluids from parabolic trough collectors to run Rankine turbines); (4) 800 to 1000/sup 0/F (using fluids from heliostats to run closed-cycle gas turbines and steam Rankine turbines). The solar thermal energy subsystems will require from 60 to 36 x 10/sup 5/ kWhr (2.05 x 10/sup 5/ to 1.23 x 10/sup 10/ Btu) of thermal storage capacity. In addition to sensible heat and latent heat storage materials, several other media were investigated as potential thermal energy storage materials, including the clathrate and semiclathrate hydrates, various metal hydrides, and heat storage based on inorganic chemical reactions.

Segaser, C. L.

1978-08-01T23:59:59.000Z

324

Impact of dispersed solar and wind systems on electric distribution planning and operation  

DOE Green Energy (OSTI)

Small-scale dispersed solar photovoltaic and wind generation (DSW) will affect the generation, transmission, and distribution systems of an electric utility. This study examines the technical and economic impacts of dispersing DSW devices within the distribution system. Dispersed intermittent generation is included. Effects of DSW devices on capital investments, reliability, operating and maintenance costs, protection requirements, and communication and control requirements are examined. A DSW operation model is developed to help determine the dependable capacity of fluctuating solar photovoltaic and wind generation as part of the distribution planning process. Specific case studies using distribution system data and renewable resource data for Southern California Edison Company and Consumers Power Company are analyzed to gain insights into the effects of interconnecting DSW devices. The DSW devices were found to offer some distribution investment savings, depending on their availability during peak loads. For a summer-peaking utility, for example, dispersing photovoltaic systems is more likely to defer distribution capital investments than dispersing wind systems. Dispersing storage devices to increase DSW's dependable capacity for distribution systems needs is not economically attractive. Substation placement of DSW and storage devices is found to be more cost effective than feeder or customer placement. Examination of the effects of DSW on distribution system operation showed that small customer-owned DSW devices are not likely to disrupt present time-current distribution protection coordination. Present maintenance work procedures, are adequate to ensure workmen's safety. Regulating voltages within appropriate limits will become more complex with intermittent generation along the distribution feeders.

Boardman, R.W.; Patton, R.; Curtice, D.H.

1981-02-01T23:59:59.000Z

325

Nitrogen isotopes in the recent solar wind from the analysis of genesis targets: evidence for large scale isotope heterogeneity in the nascent solar system  

DOE Green Energy (OSTI)

Nitrogen, the fifth most abundant element in the universe, displays the largest stable isotope variations in the solar system reservoirs after hydrogen. Yet the value of isotopic composition of solar nitrogen, presumably the best proxy of the protosolar nebula composition, is not known. Nitrogen isotopes trapped in Genesis spacecraft target material indicate a 40 % depletion of {sup 15}N in solar wind N relative to inner planets and meteorites, and define a composition for the present-day Sun undistinguishable from that of Jupiter's atmosphere. These results indicate that the isotopic composition of of nitrogen in the outer convective zone of the Sun (OCZ) has not changed through time, and is representative of the protosolar nebula. Large {sup 15}N enrichments during e.g., irradiation, or contributions from {sup 15}N-rich presolar components, are required to account for planetary values.

Wiens, Roger C [Los Alamos National Laboratory; Marty, Bernard [INSU-CNRS; Zimmermann, Laurent [INSU-CNRS; Burnard, Peter G [INSU-CNRS; Burnett, Donald L [CALTECH; Heber, Veronika S [ETH ZURICH; Wieler, Rainer [ETH ZURICH; Bochsler, Peter [UNIV OV BERN

2009-01-01T23:59:59.000Z

326

Optimal Sizing of Energy Storage System in Solar Energy Electric Vehicle Using Genetic Algorithm and Neural Network  

Science Conference Proceedings (OSTI)

Owing to sun's rays distributing randomly and discontinuously and load fluctuation, energy storage system is very important in Solar Energy Electric Vehicle (SEEV). The combinatorial optimization by genetic algorithm and neural network was used to optimize ... Keywords: battery flywheel, genetic algorithm, neural network

Shiqiong Zhou; Longyun Kang; Miaomiao Cheng; Binggang Cao

2009-11-01T23:59:59.000Z

327

Grid Impacts of Distributed Generation with Advanced Inverter Functions: Hosting Capacity of Large-Scale Solar Photovoltaic Using Smart Inverters  

Science Conference Proceedings (OSTI)

With increasing penetration levels of solar photovoltaics (PV), the need for inverter technology to provide grid support has become more and more critical. Since 2009, the Electric Power Research Institute (EPRI) and industry partners have been working to establish a common set of functions that can provide such capability. The development of a common set of functions is complete; however, very little work to date has addressed the impact that these common functions will have on grid performance, ...

2013-12-20T23:59:59.000Z

328

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

factor in the reduction of PV prices. Individual countriesin average solar PV module prices and cumulative installedin average solar PV module prices and cumulative installed

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

329

Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

Production of Solar Photovoltaic Cells Severin BorensteinProduction of Solar Photovoltaic Cells Severin Borenstein 1concerns is so- lar photovoltaic cells (PVs), which capture

Borenstein, Severin

2005-01-01T23:59:59.000Z

330

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

Energy (2010), 2008 Solar Technologies Market Report. Figure 17: TrendsEnergy (2010), 2008 Solar Technologies Market Report. Figure 12: Long-term trend

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

331

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

University, Stanford, California, June 20-22. Van derdemand-pull: Lessons from Californias solar policy, Energythe Optimal Solar Policy in California, The Energy Journal,

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

332

PowerGrid - A Computation Engine for Large-Scale Electric Networks  

Science Conference Proceedings (OSTI)

This Final Report discusses work on an approach for analog emulation of large scale power systems using Analog Behavioral Models (ABMs) and analog devices in PSpice design environment. ABMs are models based on sets of mathematical equations or transfer functions describing the behavior of a circuit element or an analog building block. The ABM concept provides an efficient strategy for feasibility analysis, quick insight of developing top-down design methodology of large systems and model verification prior to full structural design and implementation. Analog emulation in this report uses an electric circuit equivalent of mathematical equations and scaled relationships that describe the states and behavior of a real power system to create its solution trajectory. The speed of analog solutions is as quick as the responses of the circuit itself. Emulation therefore is the representation of desired physical characteristics of a real life object using an electric circuit equivalent. The circuit equivalent has within it, the model of a real system as well as the method of solution. This report presents a methodology of the core computation through development of ABMs for generators, transmission lines and loads. Results of ABMs used for the case of 3, 6, and 14 bus power systems are presented and compared with industrial grade numerical simulators for validation.

Chika Nwankpa

2011-01-31T23:59:59.000Z

333

Introduction to Renewable Energy Biomass Captured solar energy from biological systems currently plays a large role in  

E-Print Network (OSTI)

Introduction to Renewable Energy ­ Biomass Captured solar energy from biological systems currently of biomass for large-scale energy services could help reduce the greenhouse gas intensity of the energy be processed and utilized in a similar manner to fossil fuels with lower net emissions of CO2. Biomass energy

Nur, Amos

334

What Changed in Article 690-Solar Photovoltaic Systems- of the 1999 National Electrical Code?  

DOE Green Energy (OSTI)

Article 690, Solar Photovoltaic Power Systems, has been in the National Electrical Code (NEC) since 1984. An NFPA-appointed Task Group for Article 690 proposed changes to Article 690 for both the 1996 and 1999 codes. The Task Group, supported by more than 50 professionals from throughout the photovoltaic (PV) industry, met seven times during the 1999 code cycle to integrate the needs of the industry with the needs of electrical inspectors and end users to ensure the safety of PV systems. The Task Group proposed 57 changes to Article 690, and all the changes were accepted in the review process. The performance and cost of PV installations were always a consideration as these changes were formed but safety was the number-one priority. All of the proposals were well substantiated and coordinated throughout the PV industry and with representatives of Underwriters Laboratories, Inc (UL). The most significant changes that were made in Article 690 for the 1999 NEC along with some of the rationale are discussed in the remainder of this article.

Bower, W.; Wiles, J.

1999-01-12T23:59:59.000Z

335

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Administration Other Agencies You are here Home Energy Sources Renewables Solar Solar July 12, 2013 Salem Electric - Low-Interest Loan Program Salem Electric...

336

Solar and Photovoltaic Data from the University of Oregon Solar Radiation Monitoring Laboratory (UO SRML)  

DOE Data Explorer (OSTI)

The UO SRML is a regional solar radiation data center whose goal is to provide sound solar resource data for planning, design, deployment, and operation of solar electric facilities in the Pacific Northwest. The laboratory has been in operation since 1975. Solar data includes solar resource maps, cumulative summary data, daily totals, monthly averages, single element profile data, parsed TMY2 data, and select multifilter radiometer data. A data plotting program and other software tools are also provided. Shade analysis information and contour plots showing the effect of tilt and orientation on annual solar electric system perfomance make up a large part of the photovoltaics data.(Specialized Interface)

337

Survey of Climate Conditions for Demonstration of a Large Scale of Solar Energy Heating in Xi'an  

E-Print Network (OSTI)

A special Energy-Efficiency Plan, for medium and long-term periods, was brought forward by the National Development and Reform Commission of China in 2005. Energy efficiency in buildings is highly emphasized in this energy planning. The Ministry of Finance, together with the Ministry of Construction P.R.C, is selecting cities with different climates to carry out demonstrations of renewable energy applications in buildings. Xi'an, a representative city in the West, is selected to demonstrate large-scale solar energy heating applications in urban residential buildings. In this paper, Xi'an's geographical situation and climate conditions are fully analyzed. The survey on solar energy resources, and the feasibility of solar energy heating on a large scale is also investigated. If this project is completed, the successful experience with respect to the solar energy application in Xi'an will be disseminated in the northwest regions of China. It is expected, after completion of this project, that design methods, procedures and installment of solar energy applications in residential buildings in Xi'an will be obtained.

Li, A.; Liu, Y.

2006-01-01T23:59:59.000Z

338

F5, Large Area Growth of GaAs Solar Cell Based on Nanowire ...  

Science Conference Proceedings (OSTI)

G2, ZnSnN2: A New Earth-Abundant Semiconductor for Solar Energy Conversion G3, Electrodeposition of Indium Sulfide Films from Organic Electrolytes.

339

Rare-earth doped up-converting phosphors for an enhanced silicon solar cell response.  

E-Print Network (OSTI)

??Photovoltaic solar cells can generate electricity directly from sunlight without emitting harmful greenhouse gases. This makes them ideal candidates as large scale future energy producers (more)

Shalav, Avi

2006-01-01T23:59:59.000Z

340

Wealth Transfers Among Large Customers from Implementing Real-Time Retail Electricity Pricing  

E-Print Network (OSTI)

I calculate the electricity bills for each of the 1142arrangements on the customers electricity bill. On averageless than half of the electricity bill, so the proportional

Borenstein, Severin

2007-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

s Restructured Wholesale Electricity Market. Americanin Californias Wholesale Electricity Market during SummerDistributed Resources, The Electricity Journal, Vol. 11 (

Borenstein, Severin

2005-01-01T23:59:59.000Z

342

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

has kept the electricity consumer tariffs low and has beenfeed-in tariffs United States The US electricity generationthe Electricity Act (2003) and the National Tariff Policy (

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

343

Impact of dispersed solar and wind systems on electric distribution planning and operation  

SciTech Connect

Small-scale dispersed solar photovoltaic and wind generation (DSW) will affect the generation, transmission, and distribution systems of an electric utility. This study examines the technical and economic impacts of dispersing DSW devices within the distribution system. Dispersed intermittent generation is included. Effects of DSW devices on capital investments, reliability, operating and maintenance costs, protection requirements, and communication and control requirements are examined. A DSW operation model is developed to help determine the dependable capacity of fluctuating solar photovoltaic and wind generation as part of the distribution planning process. Specific case studies using distribution system data and renewable resource data for Southern California Edison Company and Consumers Power Company are analyzed to gain insights into the effects of interconnecting DSW devices. The DSW devices were found to offer some distribution investment savings, depending on their availability during peak loads. For a summer-peaking utility, for example, dispersing photovoltaic systems is more likely to defer distribution capital investments than dispersing wind systems. Dispersing storage devices to increase DSW's dependable capacity for distribution systems needs is not economically attractive. Substation placement of DSW and storage devices is found to be more cost effective than feeder or customer placement. Examination of the effects of DSW on distribution system operation showed that small customer-owned DSW devices are not likely to disrupt present time-current distribution protection coordination. Present maintenance work procedures, are adequate to ensure workmen's safety. Regulating voltages within appropriate limits will become more complex with intermittent generation along the distribution feeders.

Boardman, R.W.; Patton, R.; Curtice, D.H.

1981-02-01T23:59:59.000Z

344

Solar ADEPT: Efficient Solar Energy Systems  

DOE Green Energy (OSTI)

Solar ADEPT Project: The 7 projects that make up ARPA-E's Solar ADEPT program, short for 'Solar Agile Delivery of Electrical Power Technology,' aim to improve the performance of photovoltaic (PV) solar energy systems, which convert the sun's rays into electricity. Solar ADEPT projects are integrating advanced electrical components into PV systems to make the process of converting solar energy to electricity more efficient.

None

2011-01-01T23:59:59.000Z

345

A Tutorial on Detection and Characterization of Special Behavior in Large Electric Power Systems  

SciTech Connect

The objective of this document is to report results in the detection and characterization of special behavior in large electric power systems. Such behavior is usually dynamic in nature, but not always. This is also true for the underlying sources of special behavior. At the device level, a source of special behavior might be an automatic control system, a dynamic load, or even a manual control system that is operated according to some sharply defined policy. Other possible sources include passive system conditions, such as the state of a switched device or the amount of power carried on some critical line. Detection and characterization are based upon signature information that is extracted from the behavior observed. Characterization elements include the signature information itself, the nature of the behavior and its likely causes, and the associated implications for the system or for the public at large. With sufficient data and processing, this characterization may directly identify a particular condition or device at a specific location. Such conclusive results cannot always be done from just one observation, however. Information environments that are very sparse may require multiple observations, comparative model studies, and even direct testing of the system.

Hauer, John F.; DeSteese, John G.

2004-08-20T23:59:59.000Z

346

Large-area Silicon-Film{trademark} panels and solar cells. Phase 2 technical report, January 1996--December 1996  

DOE Green Energy (OSTI)

The Silicon-Film{trademark} process is on an accelerated path to large-scale manufacturing. A key element in that development is optimizing the specific geometry of both the Silicon-Film{trademark} sheet and the resulting solar cell. That decision has been influenced by cost factors, engineering concerns, and marketing issues. The geometry investigation has focused first on sheet nominally 15 cm wide. This sheet generated solar cells with areas of 240 cm{sup 2} and 675 cm{sup 2}. Most recently, a new sheet fabrication machine was constructed that produces Silicon-Film{trademark} with a width in excess of 30 cm. Test results have indicated that there is no limit to the width of sheet generated by this process. The new wide material has led to prototype solar cells with areas of 300, 400, and 1,800 cm{sup 2}. Significant advances in solar-cell processing have been developed in support of fabricating large-area devices, including uniform emitter diffusion and anti-reflection coatings.

Rand, J.A.; Barnett, A.M.; Checchi, J.C.; Culik, J.S.; Collins, S.R.; Ford, D.H.; Hall, R.B.; Jackson, E.L.; Kendall, C.L. [AstroPower Inc., Newark, DE (United States)

1997-03-01T23:59:59.000Z

347

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

project deployment scale, the least-cost option for solar PVcost suppliers from other countries, the government of India has imposed some mandates for domestic content for its utility-scale solar power projects

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

348

Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

Hour of Day Real-Time Price PV - South PV - West PV output (Average Real-time Price and Solar PV Production for JulyCorrelation Between Prices and Solar PV Production The

Borenstein, Severin

2005-01-01T23:59:59.000Z

349

EVALUATION OF A SULFUR OXIDE CHEMICAL HEAT STORAGE PROCESS FOR A STEAM SOLAR ELECTRIC PLANT  

E-Print Network (OSTI)

8PR = Rate of thermal input to power plant receiver (MWt)the solar thermal inputs to the daytime power plant and theof solar thermal inputs to the daytime power plant and the

Dayan, J.

2011-01-01T23:59:59.000Z

350

Valuing the Time-Varying Electricity Production of Solar Photovoltaic Cells  

E-Print Network (OSTI)

to a point, such weather also produces higher solar PV pro-solar PV production increases with hotter, sunnier weathersolar PV production that includes random vari- ation due to weather.

Borenstein, Severin

2005-01-01T23:59:59.000Z

351

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network (OSTI)

corresponding to (1) solar-thermal efficiency, (2) solar-aperture) Parameter Solar-thermal efficiency Solar-electric80% solar-thermal conversion efficiency. (b) Electricity is

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

352

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

Taiwanese government announced its Sustainable Energy PolicyGovernment of Rajasthan Energy Department ( 2010), Rajasthan Solar Energy Policy

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

353

Studies of solar hybrid repowering of utility electric-power plants (interim report)  

DOE Green Energy (OSTI)

A baseline repowering configuration used as a reference is defined, and the potential benefits of repowering are outlined from the programmatic, utility, and national viewpoints. The market size for solar repowering is reviewed with the split by plants and their requirements imposed on solar technology and plant design. Various solar technology implementation options are discussed. Highlights of the key results of studies on the economics of integration of solar repowered plants into utility systems are presented. (LEW)

Not Available

1980-01-01T23:59:59.000Z

354

An outdoor exposure testing program for optical materials used in solar thermal electric technologies  

DOE Green Energy (OSTI)

Developing low-cost, durable advanced optical materials is important for making solar thermal energy. technologies viable for electricity production. The objectives of a new outdoor testing program recently initiated by the National Renewable Energy Laboratory (NREL) are to determine the expected lifetimes of candidate reflector materials and demonstrate their optical durability in real-world service conditions. NREL is working with both utilities and industry in a collaborative effort to achieve these objectives. To date, simulated/accelerated exposure testing of these materials has not been correlated with actual outdoor exposure testing. Such a correlation is desirable to provide confidence in lifetime predictions based upon accelerated weathering results. This outdoor testing program will allow outdoor exposure data to be obtained for realistic environments and will establish a data base for correlating simulated/accelerated outdoor exposure data with actual outdoor exposure data. In this program, candidate reflector materials are subjected to various outdoor exposure conditions in a network of sites across the southwestern United States. Important meteorological data are continuously recorded at these sites; these data will be analyzed for possible correlations with material optical performance. Weathered samples are characterized on a regular basis using a series of optical tests. These tests provide the basis for tracking material performance and durability with exposure time in the various outdoor environments. This paper describes the outdoor testing program in more detail including meteorological monitoring capabilities and the optical tests that are performed on these materials.

Wendelin, T.; Jorgensen, G.

1994-01-01T23:59:59.000Z

355

Profiling the Built-in Electrical Potential in III-V Multijunction Solar Cells: Preprint  

DOE Green Energy (OSTI)

We report on a direct measurement of the electrical potential on cross-sections of GaInP2/GaAs multiple-junction solar cells by using an ultrahigh-vacuum scanning Kelvin probe microscope (UHV-SKPM). The UHV-SKPM allows us to measure the potential without air molecules being adsorbed on the cross-sectional surface. Moreover, it uses a GaAs laser with photon energy of 1.4 eV for the atomic force microscope (AFM) operation. This eliminated the light-absorption-induced bottom-junction flattening and top-junction enhancement, which happened in our previous potential measurement using a 1.85-eV laser for the AFM operation. Three potentials were measured at the top, tunneling, and bottom junctions. Values of the potentials are smaller than the potentials in the bulk. This indicates that the Fermi level on the UHV-cleaved (110) surface was pinned, presumably due to defects upon cleaving. We also observed higher potentials at atomic steps than on the terraces for both GaInP2 epitaxial layer and GaAs substrate. Combining scanning tunneling microscopy (STM) and SKPM measurements, we found that the potential height at steps of the GaAs substrate depends on the step direction, which is probably a direct result of unbalanced cations and anions at the steps.

Jiang, C.-S.; Friedman, D. J.; Moutinho, H. R.; Al-Jassim, M. M.

2006-05-01T23:59:59.000Z

356

The U.S. Department of Energy`s role in commercialization of solar thermal electric technology  

DOE Green Energy (OSTI)

The U.S. Department of Energy (DOE) has supported the development of solar thermal electric (STE) technology since the early 1970s. From its inception, the program has held a long-term goal of nurturing STE technologies from the research and development (R&D) stage through technology development, ultimately leading to commercialization. Within the last few years, the focus of this work -has shifted from R&D to cost-shared cooperative projects with industry. These projects are targeted not just at component development, but at complete systems, marketing approaches, and commercialization plans. This changing emphasis has brought new industry into the program and is significantly accelerating solar thermal`s entry into the marketplace. Projects such as Solar Two in the power tower area, a number of dish/Stirling joint ventures in the modular power area, and operations and maintenance (O&M) cost reduction studies will be discussed as examples of this new focus.

Burch, G.D. [United States Dept. of Energy, Washington, DC (United States); Tyner, C.E. [Sandia National Labs., Albuquerque, NM (United States)

1994-10-01T23:59:59.000Z

357

2007 IEEE Canada Electrical Power Conference Solar Photovoltaic Array's Shadow Evaluation  

E-Print Network (OSTI)

, Hawaii: Solar Resource Analysis and High-Penetration PV Potential Chris Helm and Kari Burman Prepared area where PV can be installed. Hourly satellite solar radiation information is used to determine the amount of annual solar energy that can be pro- duced from PV for the designated area populated with PV

Lehman, Brad

358

Solar Thermal Generation Technologies: 2006  

Science Conference Proceedings (OSTI)

After years of relative inactivity, the solar thermal electric (STE) industry is experiencing renewed activity and investment. The shift is partly due to new interest in large-scale centralized electricity generation, for which STE is well suited and offers the lowest cost for solar-specific renewable portfolio standards. With policymaking and public interest driven by concerns such as global climate change, atmospheric emissions, and traditional fossil fuel price and supply volatility, STE is increasing...

2007-03-30T23:59:59.000Z

359

Spherical, Oscillatory $?^2$-Dynamo Induced by Magnetic Coupling Between a Fluid Shell and an Inner Electrically Conducting Core: Relevance to the Solar Dynamo  

E-Print Network (OSTI)

A two-layer spherical $\\alpha^2$-dynamo model consisting of an inner electrically conducting core (magnetic diffusivity $\\lambda_i$ and radius $r_i$) with $\\alpha = 0$ surrounded by an electrically conducting spherical shell (magnetic diffusivity $\\lambda_o$ and radius $r_o$) with a constant $\\alpha$ is shown to exhibit oscillatory behavior for values of $\\beta = \\lambda_i/\\lambda_o$ and $r_i/r_o$ relevant to the solar dynamo. Time-dependent dynamo solutions require $r_i/r_o \\geq 0.55$ and $\\beta \\leq O(1)$. For the Sun, $r_i/r_o$ is about 0.8 and $\\beta\\approx 10^{-3}$. The time scale of the oscillations matches the 22 year period of the sunspot cycle for $\\lambda_0 = O(10^2 km^2 s^{-1}$). It is unnecessary to hypothesize an $\\alpha\\omega$-dynamo to obtain oscillatory dynamo solutions; an $\\alpha^2$-dynamo suffices provided the spherical shell region of dynamo action lies above a large, less magnetically diffusive core, as is the case for the solar dynamo.

G. Schubert; K. Zhang

2000-02-29T23:59:59.000Z

360

Simulations of the energy performance of a solar photovoltaic residence and hybrid electric automobile in Fresno, California  

Science Conference Proceedings (OSTI)

The hour-by-hour energy performance of a photovoltaic residence and hybrid electric vehicle system that could be built with 1980s' technology is analyzed. Thermal and electrical performance in both stand-alone and grid-connected configurations were simulated with computer models using actual hourly solar and weather data for Fresno, California. The system centers around an energy-efficient residence that incorporates passive heating and cooling. For the simulations in this study, 110 square meters of GE photovoltaic shingle modules (9.6 kW(e) rated power), a 10 kW(e) dc-ac inverter, and advanced lead-acid batteries of 61 kWh(e) capacity were added to the residence. The auto has 30 kWh(e) of lead-acid batteries and a 40-hp electric drive motor for propulsion. The auto was assumed to travel 100 km (62 miles) each day (36,500 km (22,680 miles) annually). A small (10 kW(e)) backup liquid-fueled engine/generator in the auto provides supplemental electricity on cloudy days and for long-distance travel. The utility would provide backup electricity for the residence, or the auto engine/generator can provide this backup power to the residence as well as so-called waste heat from the engine for space heating and domestic hot water. Year-round heating and cooling needs are met primarily with passive design features, and most hot water comes from a solar water heater. The PV array meets all the electrical loads of the residence on 315 days and part of the load on the other 50 days. The PV array also meets the entire auto electricity load on 166 days, and part of the load on another 116 days. A brief cost analysis indicates that both stand-alone and grid-connected systems would be competitive with grid electricity and conventional autos within this decade.

Reuyl, J.S.; Schutt, R.D.

1982-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Solar Thermal Small Power Systems Study. Inventory of US industrial small electric power generating systems. [Less than 10 MW  

DOE Green Energy (OSTI)

This inventory of small industrial electric generating systems was assembled by The Aerospace Corporation to provide a data base for analyses being conducted to estimate the potential for displacement of these fossil-fueled systems by solar thermal electric systems no larger than 10 MW in rated capacity. The approximately 2100 megawatts generating capacity of systems in this category constitutes a potential market for small solar thermal and other solar electric power systems. The sources of data for this inventory were the (former) Federal Power Commission (FPC) Form 4 Industrial Ledger and Form 12-C Ledger for 1976. Table 1 alphabetically lists generating systems located at industrial plants and at Federal government installations in each of the 50 states. These systems are differentiated by type of power plant: steam turbine, diesel generator, or gas turbine. Each listing is designated as a power system rather than a power unit because the FPC Ledgers do not provide a means of determining whether more than one unit is associated with each industrial installation. Hence, the user should consider each listing to be a system capacity rating wherein the system may consist of one or more generating units with less than 10 MW/sub e/ combined rating. (WHK)

Not Available

1979-06-01T23:59:59.000Z

362

SOLAR TRA ING SENSORS FOR MAXIMUM SOLAR ON ENTRATOR EFFI IEN Y  

POTENTIAL APPLI ATIONS Parabolic dish & trough solar concentrating collectors Solar energy and renewable energy Electric utility

363

Large-scale battery system modeling and analysis for emerging electric-drive vehicles  

Science Conference Proceedings (OSTI)

Emerging electric-drive vehicles demonstrate the potential for significant reduction of petroleum consumption and greenhouse gas emissions. Existing electric-drive vehicles typi- cally include a battery system consisting of thousands of Lithium-ion battery ... Keywords: analysis, battery system model, electric-drive vehicles

Kun Li; Jie Wu; Yifei Jiang; Zyad Hassan; Qin Lv; Li Shang; Dragan Maksimovic

2010-08-01T23:59:59.000Z

364

The formation of strong electric fields and volumetric charges in the Solar atmosphere  

E-Print Network (OSTI)

The processes occurring in the solar atmosphere are diverse and depend on many important factors. For example, from magnetic fields, their sudden changes, from emissions of substance from the depths of the Sun, distribution of shock waves and plasma jets, etc. The paper describes the model of formation of the charged volumes of gas in solar atmosphere, which is called solar "storm clouds" by analogy with terrestrial storm clouds. The model will be based on the theory ionization equilibrium and the Saha equation.

Sarsembaeva, A T; Kato, K

2012-01-01T23:59:59.000Z

365

Evaluation of Four Imaging Techniques for the Electrical Characterization of Solar Cells (Presentation)  

DOE Green Energy (OSTI)

The imaging techniques enable the possibility of higher-level quality control and defect analysis of solar cell materials in in-line production processes.

Johnston. S.; Berman, G.; Call, N.; Ahrenkiel, R.

2008-12-03T23:59:59.000Z

366

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

DOE Green Energy (OSTI)

Although solar costs are dropping rapidly, solar power is still more expensive than conventional and other renewable energy options. The solar sector still needs continuing government policy support. These policies are driven by objectives that go beyond the goal of achieving grid parity. The need to achieve multiple objectives and ensure sufficient political support for solar power makes it diffi cult for policy makers to design the optimal solar power policy. The dynamic and uncertain nature of the solar industry, combined with the constraints offered by broader economic, political and social conditions further complicates the task of policy making. This report presents an analysis of solar promotion policies in seven countries - Germany, Spain, the United States, Japan, China, Taiwan, and India - in terms of their outlook, objectives, policy mechanisms and outcomes. The report presents key insights, primarily in qualitative terms, and recommendations for two distinct audiences. The first audience consists of global policy makers who are exploring various mechanisms to increase the penetration of solar power in markets to mitigate climate change. The second audience consists of key Indian policy makers who are developing a long-term implementation plan under the Jawaharlal Nehru National Solar Mission and various state initiatives.

Deshmukh, Ranjit; Bharvirkar, Ranjit; Gambhir, Ashwin; Phadke, Amol

2011-08-10T23:59:59.000Z

367

Akeena Solar Inc | Open Energy Information  

Open Energy Info (EERE)

Akeena Solar Inc Jump to: navigation, search Name Akeena Solar Inc Place Los Gatos, California Zip CA 95032 Sector Solar Product Residential and commercial solar electric system...

368

SolarWorks NJ | Open Energy Information  

Open Energy Info (EERE)

Jersey Sector Renewable Energy, Solar Product SolarWorks NJ, LLC, a provider of turnkey solar electricity installations and renewable energy solutions. References SolarWorks...

369

Solar Energy Technologies | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Energy Technologies Solar Energy Technologies August 16, 2013 - 4:37pm Addthis Solar energy technologies produce electricity from the energy of the sun. Small solar energy...

370

concentrating solar power | OpenEI  

Open Energy Info (EERE)

concentrating solar power concentrating solar power Dataset Summary Description This dataset is part of a larger internal dataset at the National Renewable Energy Laboratory (NREL) that explores various characteristics of large solar electric (both PV and CSP) facilities around the United States. This dataset focuses on the land use characteristics for solar facilities that are either under construction or currently in operation. Source Land-Use Requirements for Solar Power Plants in the United States Date Released June 25th, 2013 (7 months ago) Date Updated Unknown Keywords acres area average concentrating solar power csp Density electric hectares km2 land land requirements land use land-use mean photovoltaic photovoltaics PV solar statistics Data application/vnd.openxmlformats-officedocument.spreadsheetml.sheet icon Master Solar Land Use Spreadsheet (xlsx, 1.5 MiB)

371

Solar total energy-large scale experiment, Shenandoah, Georgia site. Annual report, June 1977--June 1978. [For Bleyle Knitwear Plant  

DOE Green Energy (OSTI)

The site was described in terms of location, suitably, accessibility, and other factors. Detailed descriptions of the Solar Total Energy-Large Scale Experiment Application (STE-LSE) (Bleyle of America, Inc., Knitwear Plant), the DOE owned Meteorology Station operating at the site, and the instrumentation provided by the Georgia Power Company to measure energy usage within the knitwear plant are included. A detailed report of progress is given at the Shenandoah Site, introduced by the STE-LSE schedule and the Cooperative Agreement work tasks. Progress is described in terms of the following major task areas: site/application; instrumentation/data acquisition; meteorology station; site to STES interface; information dissemination. A brief overview of milestones to be accomplished is given, followed by these appendices: solar easement agreement, interface drawing set, and additional site background data. (MHR)

None,

1978-06-01T23:59:59.000Z

372

Biomass Energy for Transport and Electricity: Large scale utilization under low CO2 concentration scenarios  

DOE Green Energy (OSTI)

This paper examines the potential role of large scale, dedicated commercial biomass energy systems under global climate policies designed to stabilize atmospheric concentrations of CO2 at 400ppm and 450ppm. We use an integrated assessment model of energy and agriculture systems to show that, given a climate policy in which terrestrial carbon is appropriately valued equally with carbon emitted from the energy system, biomass energy has the potential to be a major component of achieving these low concentration targets. The costs of processing and transporting biomass energy at much larger scales than current experience are also incorporated into the modeling. From the scenario results, 120-160 EJ/year of biomass energy is produced by midcentury and 200-250 EJ/year by the end of this century. In the first half of the century, much of this biomass is from agricultural and forest residues, but after 2050 dedicated cellulosic biomass crops become the dominant source. A key finding of this paper is the role that carbon dioxide capture and storage (CCS) technologies coupled with commercial biomass energy can play in meeting stringent emissions targets. Despite the higher technology costs of CCS, the resulting negative emissions used in combination with biomass are a very important tool in controlling the cost of meeting a target, offsetting the venting of CO2 from sectors of the energy system that may be more expensive to mitigate, such as oil use in transportation. The paper also discusses the role of cellulosic ethanol and Fischer-Tropsch biomass derived transportation fuels and shows that both technologies are important contributors to liquid fuels production, with unique costs and emissions characteristics. Through application of the GCAM integrated assessment model, it becomes clear that, given CCS availability, bioenergy will be used both in electricity and transportation.

Luckow, Patrick; Wise, Marshall A.; Dooley, James J.; Kim, Son H.

2010-01-25T23:59:59.000Z

373

Analysis of the technical and economic feasibility of solar feedwater heating for El Paso Electric Company  

DOE Green Energy (OSTI)

A solar feedwater heating system consisting of a linear focusing solar collector subsystem, a thermal energy transport subsystem, and possibly a thermal energy storage subsystem is studied for integration with an existing steam power cycle system. The solar heating system is described. The proposed system concept is compared to several previously published studies. An economic evaluation of the costs and benefits of modifying the existing unit to employ solar feedwater heating was performed. The levelized value of the fuel oil savings were determined by a computer program over the remaining economic life of the unit, based on solar insolation data for El Paso and relevant economic factors for four cases. The conceptual design refinements and documented cost breakdown are given. (LEW)

Not Available

1980-02-01T23:59:59.000Z

374

Performance improvement of a solar heating system utilizing off-peak electric auxiliary. Semi-annual progress report, June 18, 1979-December 31, 1979  

SciTech Connect

During the period 18 June 1979 through December 1979, a solar assisted heat pump system was designed, installed and operated in the University of Toledo Experimental Solar House. The heat pump system is capable of operating in a wide range of temperatures which is needed in a solar house utilizing off-peak storage from the electric utility. The complete system consists of 584.1 square feet of Libbey-Owens-Ford's flat plate solar collectors, a 5 horsepower compressor (Victaulic Corp.), an evaporator (Dunham-Bush), a condensor (Dunham-Bush), thermal storage units, and associated equipment. During the installation and initial operation of the system, numerous aspects of the feasibility of this system design have been evaluated. Many of these aspects point to the potentially improved operating performance of a solar heating system utilizing off-peak storage from the electric utility.

Eltimsahy, A.H.

1979-12-01T23:59:59.000Z

375

Opto-electrical characterization and X-ray mapping of large-volume cadmium zinc telluride radiation detectors  

Science Conference Proceedings (OSTI)

Large-volume cadmium zinc telluride (CZT) radiation detectors would greatly improve radiation detection capabilities and, therefore, attract extensive scientific and commercial interests. CZT crystals with volumes as large as hundreds of centimeters can be achieved today due to improvements in the crystal growth technology. However, the poor performance of large-volume CZT detectors is still a challenging problem affecting the commercialization of CZT detectors and imaging arrays. We have employed Pockels effect measurements and synchrotron X-ray mapping techniques to investigate the performance-limiting factors for large-volume CZT detectors. Experimental results with the above characterization methods reveal the non-uniform distribution of internal electric field of large-volume CZT detectors, which help us to better understand the responsible mechanism for the insufficient carrier collection in large-volume CZT detectors.

Yang, G.; Bolotnikov, A.E.; Camarda, G.S.; Cui, Y.; Hossain, A.; Yao, H.W.; Kim, K.; and James, R.B.

2009-04-13T23:59:59.000Z

376

Large-area Silicon-Film{trademark} panels and solar cells  

DOE Green Energy (OSTI)

This report describes AstroPower`s success in improving its material and processing capabilities during the first phase of this 3-year contract through the Photovoltaic Manufacturing Technology (PVMaT) program. Key results include the demonstration of a 14.6%-efficient Silicon-Film{trademark} solar cell. This laboratory result (1.0 cm{sup 2}) provides the direction needed to develop and optimize continuous, in-line production processes. The continuous nature of the Silicon-Film{trademark} sheet fabrication process is being extended into the solar-cell processing sequence. Plans are in place to make the wafer cleaning, gettering, and diffusion steps all continuous during the scope of this program.

Rand, J.A.; Barnett, A.M.; Checchi, J.C. [AstroPower, Inc., Newark, DE (United States)] [and others

1997-01-01T23:59:59.000Z

377

2008 Solar Technologies Market Report  

E-Print Network (OSTI)

Supply Curves for Rooftop Solar PV Generated Electricity forare all privately owned solar PV production companies.demand projections for solar PV modules by location. Global

Price, S.

2010-01-01T23:59:59.000Z

378

EIA Energy Kids - Solar - Energy Information Administration  

U.S. Energy Information Administration (EIA)

Wind; Electricity. Science of Electricity; Electricity in the U.S. Hydrogen. Recent Statistics. ... Solar power tower; Types of solar thermal power plants

379

Energy Basics: Solar Energy Technologies  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Technologies Solar energy technologies produce electricity from the energy of the sun. Small solar energy systems can provide electricity for homes, businesses, and remote power...

380

Homeostatic control : economic integration of solar technologies into electric power operations and planning  

E-Print Network (OSTI)

The economic and technical interfaces between the electrical utility and the distributed, nondispatchable electric generation systems are only minimally understood at the present time. This paper will discuss the economic ...

Tabors, Richard D.

1981-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Importance of Flexible Electricity Supply: Solar Integration Series. 1 of 3 (Brochure)  

DOE Green Energy (OSTI)

The first out of a series of three fact sheets describing the importance of flexible electricity supply.

Not Available

2011-05-01T23:59:59.000Z

382

Available Technologies:Improved Amorphous Silicon Solar Cells  

Solar cells; Large solar panels; ADVANTAGES. Increased performance ; Less expensive than crystalline silicon solar cells; Enables thinner, lighter solar panels;

383

Real-Space Microscopic Electrical Imaging of n+-p Junction Beneath Front-Side Ag Contact of Multicrystalline Si Solar Cells  

SciTech Connect

We investigated the quality of the n+-p diffused junction beneath the front-side Ag contact of multicrystalline Si solar cells by characterizing the uniformities of electrostatic potential and doping concentration across the junction using the atomic force microscopy-based electrical imaging techniques of scanning Kelvin probe force microscopy and scanning capacitance microscopy. We found that Ag screen-printing metallization fired at the over-fire temperature significantly degrades the junction uniformity beneath the Ag contact grid, whereas metallization at the optimal- and under-fire temperatures does not cause degradation. Ag crystallites with widely distributed sizes were found at the Ag-grid/emitter-Si interface of the over-fired cell, which is associated with the junction damage beneath the Ag grid. Large crystallites protrude into Si deeper than the junction depth. However, the junction was not broken down; instead, it was reformed on the entire front of the crystallite/Si interface. We propose a mechanism of junction-quality degradation, based on emitter Si melting at the temperature around the Ag-Si eutectic point during firing, and subsequent re-crystallization with incorporation of Ag and other impurities and with formation of crystallographic defects during quenching. The effect of this junction damage on solar cell performance is discussed.

Jiang, C. S.; Li, Z. G.; Moutinho, H. R.; Liang, L.; Ionkin, A.; Al-Jassim, M. M.

2012-04-15T23:59:59.000Z

384

Spherical, Oscillatory $\\alpha^{2}$-Dynamo Induced by Magnetic Coupling Between a Fluid Shell and an Inner Electrically Conducting Core Relevance to the Solar Dynamo  

E-Print Network (OSTI)

A two-layer spherical $\\alpha^2$-dynamo model consisting of an innerelectrically conducting core (magnetic diffusivity $\\lambda_i$ and radius$r_i$) with $\\alpha = 0$ surrounded by an electrically conducting sphericalshell (magnetic diffusivity $\\lambda_o$ and radius $r_o$) with a constant$\\alpha$ is shown to exhibit oscillatory behavior for values of $\\beta =\\lambda_i/\\lambda_o$ and $r_i/r_o$ relevant to the solar dynamo. Time-dependentdynamo solutions require $r_i/r_o \\geq 0.55$ and $\\beta \\leq O(1)$. For theSun, $r_i/r_o$ is about 0.8 and $\\beta\\approx 10^{-3}$. The time scale of theoscillations matches the 22 year period of the sunspot cycle for $\\lambda_0 =O(10^2 km^2 s^{-1}$). It is unnecessary to hypothesize an $\\alpha\\omega$-dynamoto obtain oscillatory dynamo solutions; an $\\alpha^2$-dynamo suffices providedthe spherical shell region of dynamo action lies above a large, lessmagnetically diffusive core, as is the case for the solar dynamo.

Schubert, G

2000-01-01T23:59:59.000Z

385

Analysis of the impact of decentralized solar technology on electric utilities: comparison and synthesis of models. Progress report  

DOE Green Energy (OSTI)

The validation of the physical submodels of three solar-electric utility interface models is described. The validation problem is divided into two components, the accuracy of the submodels themselves and the accuracy of the data typically used to run these models. The data set required to study these problems with respect to utility requirements is discussed and its collection in the Philadelphia Metropolitan area described. The instrumentation employed in the gathering of the data is covered. Error statistics of data and submodel accuracy are presented and the current status of the study is presented.

Feldman, S.; Blair, P.

1980-11-20T23:59:59.000Z

386

External reflectors for large solar collector arrays, simulation model and experimental results  

SciTech Connect

A model for the calculation of incident solar radiation from flat-and CPC-shaped external reflectors onto flat plate solar collector arrays has been developed. Assuming an infinite length of the collector/reflector rows, the basic calculations of incident radiation in the collector plane from the reflector become very simple. The direct radiation from the sun is projected into a vertical plane perpendicular to the collector and reflector plane. The incident radiation onto the collector, including corrections for shadowing and lost radiation above the collector, can then be calculated using 2-D geometry. For very short collector/reflector rows a 3-D model is given for correction for the loss of specular radiation in the east west direction. The diffuse radiation is assumed to be isotropic. The diffuse radiation in the collector plane is calculated using view factors. CPC-shaped reflectors can be treated with the same models by introducing an equivalent flat reflector. The incidence angle for the solar radiation from the reflector onto the collector is in most cases higher than the incidence angle for the radiation directly from the sun. Therefore the incidence angle characteristics of the collector glazing and absorber become more important in this application. Equations are given for the incidence angles for diffuse and beam radiation. An annual performance increase of over 30%, 100-120 kW h/m[sup 2], has been measured for aged (four operating seasons) flat reflectors in the Swedish climate. With a CPC-shaped reflector and new reflector materials, a performance increase of up to 170 kW h/m[sup 2] is not unrealistic. This means that the collector and ground area requirement can be reduced by more than 30% for a given load.

Perers, B.; Karlsson, B. (Vattenfall Utveckling, Aelvkarleby (Sweden))

1993-11-01T23:59:59.000Z

387

Planning for PV: The Value and Cost of Solar Electricity (Fact Sheet)  

DOE Green Energy (OSTI)

This is a brochure developed specifically for residential home builders. It provides information on basic financial factors and additional resources to consider when incorporating solar technologies into building plans.

Not Available

2008-01-01T23:59:59.000Z

388

ELEG620: Solar Electric Systems University of Delaware, ECE Spring 2008 C. Honsberg PV System Components  

E-Print Network (OSTI)

· Batteries required if (1) load profile solar radiation profile and (2) to mitigate effect of variability · PV System components: ­ PV Modules ­ Batteries ­ Power Conditioning ­ Loads ­ Balance of systems #12

Honsberg, Christiana

389

EVALUATION OF A SULFUR OXIDE CHEMICAL HEAT STORAGE PROCESS FOR A STEAM SOLAR ELECTRIC PLANT  

E-Print Network (OSTI)

Flows and stream conditions in steam power cycle. Table 4.1in the low-temperature reactor system. Steam power cycle 8.1Heat Storage System for a Solar Steam Power Plant." 12th

Dayan, J.

2011-01-01T23:59:59.000Z

390

Analysis of International Policies In The Solar Electricity Sector: Lessons for India  

E-Print Network (OSTI)

cost renewables, such as wind, hydro and biomass, to meet their objective of achieving higher clean energycost renewables, such as wind, hydro and biomass, compared to solar power to meet their objectives of achieving higher clean energy

Deshmukh, Ranjit

2011-01-01T23:59:59.000Z

391

NPS-SCAT electrical power system ; Naval Postgraduate School Solar Cell Array Tester .  

E-Print Network (OSTI)

??The Naval Postgraduate School Solar Cell Array Tester (NPS-SCAT) seeks to expand the CubeSat knowledge base and provide learning possibilities at the Naval Postgraduate School. (more)

Dorn, Lawrence Tyrone.

2009-01-01T23:59:59.000Z

392

Concentrating Solar Power (Fact Sheet)  

DOE Green Energy (OSTI)

Concentrating Solar Power (CSP) offers a utility-scale, firm, dispatchable renewable energy option that can help meet the nation's goal of making solar energy cost competitive with other energy sources by the end of the decade. The DOE SunShot Initiative is a collaborative national initiative to make solar energy technologies cost-competitive with other forms of energy by reducing the cost of solar energy systems by about 75% by the end of the decade. Reducing the total installed cost for utility-scale solar electricity to roughly 6 cents per kilowatt hour without subsidies will result in rapid, large-scale adoption of solar electricity across the United States. Reaching this goal will re-establish American technological leadership, improve the nation's energy security, and strengthen U.S. economic competitiveness in the global clean energy race. SunShot will work to bring down the full cost of solar - including the costs of solar cells and installation by focusing on four main pillars: (1) Technologies for solar cells and arrays that convert sunlight to energy; (2) Electronics that optimize the performance of the installation; (3) Improvements in the efficiency of solar manufacturing processes; and (4) Installation, design, and permitting for solar energy systems.

Not Available

2011-10-01T23:59:59.000Z

393

Oxford Solar | Open Energy Information  

Open Energy Info (EERE)

Solar Solar Jump to: navigation, search Name Oxford Solar Place Randolph, New Jersey Zip 7869 Sector Solar Product Oxford Solar provides solar energy consulting and installation for both large and small-scale solar electric power applications. Coordinates 43.54566°, -89.007704° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.54566,"lon":-89.007704,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

394

Final report for %22High performance computing for advanced national electric power grid modeling and integration of solar generation resources%22, LDRD Project No. 149016.  

Science Conference Proceedings (OSTI)

Design and operation of the electric power grid (EPG) relies heavily on computational models. High-fidelity, full-order models are used to study transient phenomena on only a small part of the network. Reduced-order dynamic and power flow models are used when analysis involving thousands of nodes are required due to the computational demands when simulating large numbers of nodes. The level of complexity of the future EPG will dramatically increase due to large-scale deployment of variable renewable generation, active load and distributed generation resources, adaptive protection and control systems, and price-responsive demand. High-fidelity modeling of this future grid will require significant advances in coupled, multi-scale tools and their use on high performance computing (HPC) platforms. This LDRD report demonstrates SNL's capability to apply HPC resources to these 3 tasks: (1) High-fidelity, large-scale modeling of power system dynamics; (2) Statistical assessment of grid security via Monte-Carlo simulations of cyber attacks; and (3) Development of models to predict variability of solar resources at locations where little or no ground-based measurements are available.

Reno, Matthew J.; Riehm, Andrew Charles; Hoekstra, Robert John; Munoz-Ramirez, Karina; Stamp, Jason Edwin; Phillips, Laurence R.; Adams, Brian M.; Russo, Thomas V.; Oldfield, Ron A.; McLendon, William Clarence, III; Nelson, Jeffrey Scott; Hansen, Clifford W.; Richardson, Bryan T.; Stein, Joshua S.; Schoenwald, David Alan; Wolfenbarger, Paul R.

2011-02-01T23:59:59.000Z

395

Electricity Rate Structures and the Economics of Solar PV: Could Mandatory Time-of-Use Rates Undermine Californias Solar Photovoltaic Subsidies?  

E-Print Network (OSTI)

to promote the use of solar power. About 90% of the moreamortized cost of the solar PV power is likely to be greaterthe amortized cost of the solar PV power. To put this in

Borenstein, Severin

2007-01-01T23:59:59.000Z

396

Electricity Rate Structures and the Economics of Solar PV: Could Mandatory Time-of-Use Rates Undermine Californias Solar Photovoltaic Subsidies?  

E-Print Network (OSTI)

and the Economics of Solar PV: Could Mandatory Time-of-Useand the Economics of Solar PV: Could Mandatory Time-of-Usethat recipients of the solar PV subsidies go on time-of-

Borenstein, Severin

2007-01-01T23:59:59.000Z

397

ATU/Fort Hood Solar Total Energy Military Large-Scale Experiment (LSE-1): system design and support activities. Final report, November 23, 1976-November 30, 1977  

SciTech Connect

The ATU/Fort Hood Solar Total Energy System will include a concentrating solar collector field of several acres. During periods of direct insolation, a heat-transfer fluid will be circulated through the collector field and thus heated to 500 to 600/sup 0/F. Some of the fluid will be circulated through a steam generator to drive a turbine-generator set; additional fluid will be stored in insulated tanks for use when solar energy is not available. The electrical output will satisfy a portion of the electrical load at Fort Hood's 87,000 Troop Housing Complex. Heat extracted from the turbine exhaust in the form of hot water will be used for space heating, absorption air conditioning, and domestic water heating at the 87,000 Complex. Storage tanks for the hot water are also included. The systems analysis and program support activities include studies of solar availability and energy requirements at Fort Hood, investigation of interfacing LSE-1 with existing energy systems at the 87,000 Complex, and preliminary studies of environmental, health, and safety considerations. An extensive survey of available concentrating solar collectors and modifications to a computerized system simulation model for LSE-1 use are also reported. Important program support activities are military liaison and information dissemination. The engineering test program reported involved completion of the Solar Engineering Test Module (SETM) and extensive performance testing of a single module of the linear-focusing collector.

1977-01-01T23:59:59.000Z

398

Repowering with solar energy  

DOE Green Energy (OSTI)

During the transition phase between today's fossil fuel-based energy markets in the US and the ultimate condition of widespread use of renewable resources, solar energy utilization will become commercialized. One of the more-efficient means to use solar energy is based on direct solar thermal conversion. Since sunlight is a diffuse energy source, the more efficiently it is converted to useful form, the less hardware is needed. Since sunlight is inherently intermittent in nature, providing a useful output that is predictable and steady requires the use of some form of storage - thermal, electric, mechanical, chemical, magnetic or in stored fuel. Further, since there exists a large number of fossil-fuel burning installations and a well-established fuel-distribution system to supply them, the initial use of solar energy will likely be in a repowering mode - retrofit hybrids as fuel savers. This is the fundamental basis for solar-thermal repowering.

Curto, P.

1979-03-01T23:59:59.000Z

399

Electric  

U.S. Energy Information Administration (EIA)

Average Retail Price of Electricity to ... Period Residential Commercial Industrial ... or usage falling within specified limits by rate ...

400

Testing and evaluation of large-area heliostats for solar thermal applications  

DOE Green Energy (OSTI)

Two heliostats representing the state-of-the-art in glass-metal designs for central receiver (and photovoltaic tracking) applications were tested and evaluated at the National Solar Thermal Test Facility in Albuquerque, New Mexico from 1986 to 1992. These heliostats have collection areas of 148 and 200 m{sup 2} and represent low-cost designs for heliostats that employ glass-metal mirrors. The evaluation encompassed the performance and operational characteristics of the heliostats, and examined heliostat beam quality, the effect of elevated winds on beam quality, heliostat drives and controls, mirror module reflectance and durability, and the overall operational and maintenance characteristics of the two heliostats. A comprehensive presentation of the results of these and other tests is presented. The results are prefaced by a review of the development (in the United States) of heliostat technology.

Strachan, J.W.; Houser, R.M.

1993-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Electrical power subsystem integration and test for the NPS solar cell array tester CubeSat .  

E-Print Network (OSTI)

??The electrical power subsystem is one of the most important elements of any satellite. This system must provide the necessary power to enable the payload (more)

Fletcher James Martin.

2010-01-01T23:59:59.000Z

402

Support for solar power and renewable electricity generation at the U.S. Environmental Protection Agency.  

E-Print Network (OSTI)

?? The United States Environmental Protection Agency (EPA) is poised to play an important role in supporting national plans for renewable electricity generation. As distributed (more)

Krausz, Brian

2009-01-01T23:59:59.000Z

403

Homeostatic control: economic integration of solar technologies into electric power operations and planning  

DOE Green Energy (OSTI)

The economic and technical interfaces between the electrical utility and the distributed, nondispatchable electric generation systems are only minimally understood at the present time. The economic issues associated with the interface of new energy technologies and the electric utility grid are discussed. Then the concept of Homeostatic Control is introduced and the use of such an economic concept applied to the introduction of nondispatchable technologies into the existing utility system is discussed. The transition and potential impact of a Homoeostatic Control system working with the existing electric utility system is discussed.

Tabors, R.D.

1981-07-01T23:59:59.000Z

404

Analyzing Ancillary Impacts of Solar Photovoltaic to Natural Gas Electricity Generation.  

E-Print Network (OSTI)

??The U.S. economy is heavily dependent on nonrenewable fossil fuels for its electricity. It is widely known that the supply of these nonrenewable resources is (more)

Buzzell, Gregory; Irwin, Meredith; Mills, Sara; Ott, Michael

2010-01-01T23:59:59.000Z

405

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Incentive Program, initiated in June 2003, provides funding for new solar water heating, solar electric (photovoltaic), wind, and micro-hydro energy system installations....

406

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

efficiency of a photovoltaic (PV) cell, or solar cell, is the percentage of the solar energy shining on a PV device that is converted into electrical energy, or...

407

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Sources Renewables Solar Solar October 16, 2013 Zero-Emission Facilities Production Tax Credit '''''Note: No credits will be paid during 2011 for electricity produced...

408

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

section describes the atomic structure and bandgap energy of these cells. August 16, 2013 Solar Energy Technologies Solar energy technologies produce electricity from the energy of...

409

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Established by ''The Energy Policy Act of 2005'', the federal tax credit for residential energy property initially applied to solar-electric systems, solar water heating systems...

410

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Ulm Public Utilities - Solar Electric Rebate Program New Ulm Public Utilities provides solar photovoltaic (PV) rebates for residential, commercial, and industrial customers....

411

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

dwellings that use solar and geothermal energy equipment for heating and cooling, and solar energy equipment for water heating and electricity generation. Photovoltaic (PV)...

412

Lightning-Initiation Locations as a Remote Sensing Tool of Large Thunderstorm Electric Field Vectors  

Science Conference Proceedings (OSTI)

The lightning data that are recorded with a three-dimensional lightning mapping array (LMA) are compared with data from an electric field change sensor (in this case a flat-plate antenna operated both as a slow and a fast antenna). The goal ...

Christopher Maggio; Lee Coleman; Thomas Marshall; Maribeth Stolzenburg; Mark Stanley; Timothy Hamlin; Paul Krehbiel; William Rison; Ron Thomas

2005-07-01T23:59:59.000Z

413

Microstructure and electrical mechanism of Sn-xAg-Cu PV-ribbon for solar cells  

Science Conference Proceedings (OSTI)

The microstructure, fusion current, and series resistance of photovoltaic (PV) ribbon containing SAC105 and SAC305 alloys are investigated. After reflow, the interfacial microstructures of solder/Cu and solder/Ag were observed and an electrical current ... Keywords: Electrical properties, Photovoltaic ribbon, Sn-Ag-Cu

Kuan-Jen Chen, Fei-Yi Hung, Truan-Sheng Lui, Li-Hui Chen, Dai-Wen Qiu, Ta-Lung Chou

2014-03-01T23:59:59.000Z

414

California Center for Population Research On-Line Working Paper SeriesUnderstanding the Solar Home Price Premium: Electricity Generation and Green Social Status  

E-Print Network (OSTI)

This study uses a large sample of homes in the San Diego area to provide some of the first capitalization estimates of the resale value of homes with solar panels as compared to comparable homes without solar panels. While the residential solar home market continues to grow, there is surprisingly little direct evidence on the market capitalization effect. We find evidence using both hedonics and a repeat sales index approach that solar panels are capitalized at roughly a 3 % premium. This premium is larger in communities with more registered Prius hybrid vehicles and in communities featuring a larger share of college graduates. 1

Samuel Dastrup; Joshua Graff Zivin; Dora L. Costa; Matthew E. Kahn; Samuel Dastrup; Joshua Graff Zivin; Dora L. Costa; Matthew E. Kahn

2010-01-01T23:59:59.000Z

415

Electrolytic etch for preventing electrical shorts in solar cells on polymer surfaces  

SciTech Connect

A method for preventing shorts and shunts in solar cells having in order, an insulating substrate, a conductive metal layer on the substrate, an amorphous silicon layer and a transparent conductive layer. The method includes anodic etching of exposed portions of the metal layer after deposition of the amorphous silicon and prior to depositing the transparent conductive layer.

Weber, Michael F. (St. Paul, MN)

1991-10-08T23:59:59.000Z

416

Modeling a solar energy system for required heat and electricity of a house  

Science Conference Proceedings (OSTI)

In attaining sustainable development, energy efficiency processes and sustainable energy resources play an important role. The use of renewable energies offers a wide range of benefits and low CO2-emision. A sustainable energy system may be regarded ... Keywords: TEG modules, parabolic mirrors, photovoltaic, renewable energy (RE), seebeck module, solar energy

C?t?lin Mocanu; Krisztina Uzuneanu; Joaquim Carlos Freitas; Jorge Martins; Daniela Tasma

2012-04-01T23:59:59.000Z

417

A NOVEL LOW THERMAL BUDGET THIN-FILM POLYSILICON FABRICATION PROCESS FOR LARGE-AREA, HIGH-THROUGHPUT SOLAR CELL PRODUCTION  

DOE Green Energy (OSTI)

methods. The poly-Si solar cell structure and the performance have been examined. In principle, the new process is potentially applicable to produce large-area thin-film poly-Si solar cells at a high throughput and low cost. A critical issue in this process is to prevent the excessive dopant diffusion during crystallization. Process parameters and the cell structure have to be optimized to achieve the production goal.

Yue Kuo

2010-08-15T23:59:59.000Z

418

Electricity  

Energy.gov (U.S. Department of Energy (DOE))

Electricity is an essential part of modern life. The Energy Department is working to create technology solutions that will reduce our energy use and save Americans money.

419

Occurrence Probability of Large Solar Energetic Particle Events: Assessment from Data on Cosmogenic Radionuclides in Lunar Rocks  

E-Print Network (OSTI)

We revisited assessments of the occurrence probability distribution of large events in solar energetic particles (SEP), based on measurements of cosmogenic radionuclides in lunar rocks. We present a combined cumulative occurrence probability distribution of SEP events based on three time scales: directly measured SEP fluences for the last 60 years; estimates based on terrestrial cosmogenic radionuclides 10Be and 14C for the multi-millennial (Holocene) time scale; and cosmogenic radionuclides measured in lunar rocks on the time scale of up to 1 Myr. All the three time scales yield a consistent distribution. The data suggest a strong rollover of the occurrence probability so that SEP events with the fluence of protons with energy >30 MeV greater than 10^{11} (protons /cm2/yr) are not expected at the Myr time scale.

Kovaltsov, Gennady A

2013-01-01T23:59:59.000Z

420

High concentration two-stage optics for parabolic trough solar collectors with tubular absorber and large rim angle  

SciTech Connect

A new two-stage optical design is proposed for parabolic trough solar collectors with tubular absorbers. It can boost the concentration ratio by a factor of 2.5 relative to the conventional design, while maintaining the large rim angles (i.e., low nominal f-numbers) that are desirable for practical and economical reasons. The second state involves asymmetric nonimaging concentrators of the CPC type, facing segments of the parabolic first stage. The second stage can be accommodated inside an evacuated receiver, allowing the use of first-surface silvered reflectors. The low heat loss of this design opens the possibility of producing steam at temperatures and pressures of conventional power plants, using only one-axis tracking. The improvement in conversion efficiency would be substantial.

Collares-Pereira, M. (Centro para a Conservacao de Energia, Amadora (Portugal)); Gordon, J.M. (Ben Gurion Univ. of the Negev, Beersheva (Israel)); Rabl, A. (Centre d'Energetique, Paris (France)); Winston, R. (Univ. of Chicago, IL (United States))

1991-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Electricity Rate Structures and the Economics of Solar PV: Could Mandatory Time-of-Use Rates Undermine Californias Solar Photovoltaic Subsidies?  

E-Print Network (OSTI)

analysis produces annual electricity bills under ?at and TOUthe savings from reduced electricity bills, savings that aremonthly bills were calculated by combining the electricity

Borenstein, Severin

2007-01-01T23:59:59.000Z

422

EVALUATION OF A SULFUR OXIDE CHEMICAL HEAT STORAGE PROCESS FOR A STEAM SOLAR ELECTRIC PLANT  

E-Print Network (OSTI)

1. The Receiver .. Heat Exchanger 1 . 3. The Condensers .Reactors. LTR Heat Exchangers Electricity Generating Systemu.rJO u .. OU t. :ovO DoD HEAT EXCHANGERS LOAD (KW'? RECUP =

Dayan, J.

2011-01-01T23:59:59.000Z

423

New Hampshire Electric Co-Op- Residential Solar Photovoltaic Incentive Program  

Energy.gov (U.S. Department of Energy (DOE))

New Hampshire Electric Co-op (NHEC) is offering rebates for residential, grid-tied photovoltaic (PV) systems up to one megawatt (MW) in capacity. The rebate is equal to 20% of the installed cost of...

424

Utilizing Electric Vehicles to Assist Integration of Large Penetrations of Distributed Photovoltaic Generation Capacity  

SciTech Connect

Executive Summary Introduction and Motivation This analysis provides the first insights into the leveraging potential of distributed photovoltaic (PV) technologies on rooftop and electric vehicle (EV) charging. Either of the two technologies by themselves - at some high penetrations may cause some voltage control challenges or overloading problems, respectively. But when combined, there at least intuitively could be synergistic effects, whereby one technology mitigates the negative impacts of the other. High penetration of EV charging may overload existing distribution system components, most prominently the secondary transformer. If PV technology is installed at residential premises or anywhere downstream of the secondary transformer, it will provide another electricity source thus, relieving the loading on the transformers. Another synergetic or mitigating effect could be envisioned when high PV penetration reverts the power flow upward in the distribution system (from the homes upstream into the distribution system). Protection schemes may then no longer work and voltage violation (exceeding the voltage upper limited of the ANSI voltage range) may occur. In this particular situation, EV charging could absorb the electricity from the PV, such that the reversal of power flow can be reduced or alleviated. Given these potential mutual synergistic behaviors of PV and EV technologies, this project attempted to quantify the benefits of combining the two technologies. Furthermore, of interest was how advanced EV control strategies may influence the outcome of the synergy between EV charging and distributed PV installations. Particularly, Californian utility companies with high penetration of the distributed PV technology, who have experienced voltage control problems, are interested how intelligent EV charging could support or affect the voltage control

Tuffner, Francis K.; Chassin, Forrest S.; Kintner-Meyer, Michael CW; Gowri, Krishnan

2012-11-30T23:59:59.000Z

425

EE580 Solar Cells Todd J. Kaiser  

E-Print Network (OSTI)

with Photovoltaic Cells Contains initial work for the current PV kit experiments o Solar Cells o Solar Electric Arrays o Photovoltaics in Arrays: Solar Cells Generating Electricity http://www.californiasolarcenter.org/history_pv and the Solar Radiation Monitoring Laboratory

Kaiser, Todd J.

426

Integrating Wind, Solar and Demand Response into Energy Risk Management  

Science Conference Proceedings (OSTI)

Electric utilities are under pressure from federal and state assemblies to derive increasingly large percentages of their electricity from resources that are "renewable". This translates into large scale rollout of wind and solar generation, and perhaps biomass. The chief motivation for these laws seems to be reduction in greenhouse gases, particularly carbon. A primary concern is that the largest of these, wind and solar, are extremely variable in output and appear difficult to predict. This project ad...

2009-12-22T23:59:59.000Z

427

Microsoft PowerPoint - Durango Solar La Plata Electric Public Meeting srs  

Office of Legacy Management (LM)

Briefing on the Briefing on the U. S. Department of Energy Solar Photovoltaic (PV) Project at the Durango, Colorado, Site August 2011 Office of Legacy Management Office of Site Operations 2 2 Meeting Agenda Office of Legacy Management (LM) LM sites Durango Disposal Site background Long-term surveillance plan (LTSP) Environmental assessment for the solar PV project at the Durango Disposal Site DOE lease Path forward* * All information discussed at this meeting is available in the Expression of Interest that has been made publicly available. 3 3 About LM Part of the U.S. Department of Energy (DOE) Three primary offices: Washington, DC; Grand Junction, Colorado; and Morgantown, West Virginia LM Mission To manage DOE's post-closure responsibilities and ensure the

428

Supply Curves for Solar PV-Generated Electricity for the United States  

DOE Green Energy (OSTI)

Energy supply curves attempt to estimate the relationship between the cost of an energy resource and the amount of energy available at or below that cost. In general, an energy supply curve is a series of step functions with each step representing a particular group or category of energy resource. The length of the step indicates how much of that resource is deployable or accessible at a given cost. Energy supply curves have been generated for a number of renewable energy sources including biomass fuels and geothermal, as well as conservation technologies. Generating a supply curve for solar photovoltaics (PV) has particular challenges due to the nature of the resource. The United States has a massive solar resource base -- many orders of magnitude greater than the total consumption of energy. In this report, we examine several possible methods for generating PV supply curves based exclusively on rooftop deployment.

Denholm, P.; Margolis, R.

2008-11-01T23:59:59.000Z

429

Land Use for Wind, Solar, and Geothermal Electricity Generation Facilities in the United States  

Science Conference Proceedings (OSTI)

This report provides data and analysis of the land use associated with utility-scale wind, photovoltaic (PV), concentrating solar power (CSP), and geothermal projects. The analysts evaluated 458 existing or proposed projects, representing (as of 2012 third quarter) 51% of installed wind capacity, 80% of PV and CSP capacity, and all known geothermal power plants in the United States. The report identifies two major land use classes: 1) direct area (land permanently or temporarily disturbed due to ...

2012-12-31T23:59:59.000Z

430

Solar Advisor Model User Guide for Version 2.0  

Science Conference Proceedings (OSTI)

The Solar Advisor Model (SAM) provides a consistent framework for analyzing and comparing power system costs and performance across the range of solar technologies and markets, from photovoltaic systems for residential and commercial markets to concentrating solar power and large photovoltaic systems for utility markets. This manual describes Version 2.0 of the software, which can model photovoltaic and concentrating solar power technologies for electric applications for several markets. The current version of the Solar Advisor Model does not model solar heating and lighting technologies.

Gilman, P.; Blair, N.; Mehos, M.; Christensen, C.; Janzou, S.; Cameron, C.

2008-08-01T23:59:59.000Z

431

Sandia National Laboratories: National Solar Thermal Test Facility  

NLE Websites -- All DOE Office Websites (Extended Search)

ECISEnergyRenewable EnergySolar EnergyConcentrating Solar Power ECISEnergyRenewable EnergySolar EnergyConcentrating Solar Power (CSP)National Solar Thermal Test Facility National Solar Thermal Test Facility NSTTF Interactive Tour National Solar Thermal Test Facility (NSTTF) Operated by Sandia National Laboratories for the U.S. Department of Energy (DOE), the National Solar Thermal Test Facility (NSTTF) is the only test facility of this type in the United States. The NSTTF's primary goal is to provide experimental engineering data for the design, construction, and operation of unique components and systems in proposed solar thermal electrical plants planned for large-scale power generation. In addition, the site was built and instrumented to provide test facilities for a variety of solar and nonsolar applications. The facility can provide

432

Techno-economic projections for advanced small solar thermal electric power plants to years 1990--2000  

DOE Green Energy (OSTI)

Advanced technologies applicable to solar thermal electric power systems in the 1990--2000 time-frame are delineated for power applications that fulfill a wide spectrum of small power needs with primary emphasis on power ratings <10 MWe. Techno-economic projections of power system characteristics (energy and capital costs as a function of capacity factor) are made based on development of identified promising technologies. The key characteristic of advanced technology systems is an efficient low-cost solar energy collection while achieving high temperatures for efficient energy conversion. Two-axis tracking systems such as the central receiver or power tower concept and distributed parabolic dish receivers possess this characteristic. For these two basic concepts, advanced technologies including, e.g., conversion systems such as Stirling engines, Brayton/Rankine combined cycles and storage/transport concepts encompassing liquid metals, and reversible-reaction chemical systems are considered. In addition to techno-economic aspects, technologies are also judged in terms of factors such as developmental risk, relative reliability, and probability of success. Improvements accruing to projected advanced technology systems are measured with respect to current (or pre-1985) steam-Rankine systems, as represented by the central receiver pilot plant being constructed near Barstow, California. These improvements, for both central receivers and parabolic dish systems, indicate that pursuit of advanced technology across a broad front can result in post-1985 solar thermal systems having the potential of approaching the goal of competitiveness with conventional power systems; i.e., capital costs of $600 kWe and energy costs of 50 mills/kWe-hr (1977 dollars).

Fujita, T.; Manvi, R.; Roschke, E.J.; El Gabalawi, N.; Herrera, G.; Kuo, T.J.; Chen, K.H.

1978-11-15T23:59:59.000Z

433

Framework for creating large-scale content-based image retrieval system (cbir) for solar data analysis  

Science Conference Proceedings (OSTI)

With the launch of NASA's Solar Dynamics Observatory mission, a whole new age of high-quality solar image analysis was started. With the generation of over 1.5 Terabytes of solar images, per day, that are ten times higher resolution than high-definition ...

Juan Banda / Rafal A. Angryk

2011-01-01T23:59:59.000Z

434

Solar | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

that generate electricity from wind or biomass. Companies that generate electricity from solar energy receive a tax incentive that varies annually according to the following...

435

Use of Linear Predictive Control for a Solar Electric Generating System  

E-Print Network (OSTI)

that use parabolic troughs in order to produce electricity from sunlight5 . The parabolic troughs are long, the temperature of the HTF leaving the parabolic trough collector is controlled by a skilled operator. He. Automatic control of the HTF in a parabolic trough collector through proportional control has been attempted

Wisconsin at Madison, University of

436

Quantifying the Effects of Interfacial Electric Fields and Local Crystallinity on Polymer-Fullerene Bulk Heterojunction Solar Cell Performance  

Science Conference Proceedings (OSTI)

The challenges of experimentally probing the physical and electronic structures of the highly intermixed organic semiconductor blends that comprise active layers in high-performance organic photovoltaic (OPV) cells ultimately limit the fundamental understanding of the device performance. We use Fourier-transform IR (FTIR)-absorption spectroscopy to quantitatively determine the interfacial electric field in blended poly(3-hexylthiophene) (P3HT):phenyl- C61-butyric acid methyl ester (PCBM) thin films. The interfacial electric field is {approx}0.2 V nm{sup -1} in the as-spun film and blends annealing at temperatures as high as 150 C, which is the optimal annealing temperature in terms of OPV performance. The field decreases to a negligible value upon further annealing to 170 C, at which temperature PCBM changes from amorphous to crystalline and the open-circuit voltage of the solar cell decreases from 0.62 to 0.4 V. In addition, our measurements also allow determination of the absolute degree of crystallinity within the acceptor material. The roles of interfacial field and local crystallinity in OPV device performance are discussed.

Gearba, R.I.; Black, C.; Mills, T.; Morris, J.; Pindak, R.; Zhu, X.-Y.

2011-05-17T23:59:59.000Z

437

Factors Affecting the Rate of Penetration of Large-Scale Electricity Technologies: The Case of Carbon Sequestration  

SciTech Connect

This project falls under the Technology Innovation and Diffusion topic of the Integrated Assessment of Climate Change Research Program. The objective was to better understand the critical variables that affect the rate of penetration of large-scale electricity technologies in order to improve their representation in integrated assessment models. We conducted this research in six integrated tasks. In our first two tasks, we identified potential factors that affect penetration rates through discussions with modeling groups and through case studies of historical precedent. In the next three tasks, we investigated in detail three potential sets of critical factors: industrial conditions, resource conditions, and regulatory/environmental considerations. Research to assess the significance and relative importance of these factors involved the development of a microeconomic, system dynamics model of the US electric power sector. Finally, we implemented the penetration rate models in an integrated assessment model. While the focus of this effort is on carbon capture and sequestration technologies, much of the work will be applicable to other large-scale energy conversion technologies.

James R. McFarland; Howard J. Herzog

2007-05-14T23:59:59.000Z

438

Fabrication and Characterization of Organic Solar Cells  

E-Print Network (OSTI)

8? WrfelP. Physicsofsolarcells:fromprinciplestoPhotocellforConverting SolarRadiationintoElectricalgeneration photovoltaics: solar cells for 2020 and

Yengel, Emre

2010-01-01T23:59:59.000Z

439

EERE Roofus' Solar and Efficient Home: Appliances  

NLE Websites -- All DOE Office Websites (Extended Search)

Appliances Front-Loading Washing Machine Electric Meter Lights Solar Car Solar Hot Water Solar Panels Walls Windows Activities Printable Version Appliances Illustration of Roofus,...

440

Orlando Utilities Commission - Residential Solar Loan Program...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

For Solar Buying & Making Electricity Heating & Cooling Water Heating Maximum Rebate Solar PV: 20,000 Solar Thermal: 7,500 Program Information Florida Program Type Utility...

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Solar Contractor Licensing | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Contractor Licensing Solar Contractor Licensing Eligibility InstallerContractor Savings For Solar Buying & Making Electricity Heating & Cooling Commercial Heating & Cooling...

442

Bulk Electricity System Impacts of Distributed and Transmission System Connected Solar PV  

Science Conference Proceedings (OSTI)

This report describes research examining how increased levels of photovoltaic (PV) can impact the bulk electricity system. Previous modeling of both bulk and distributed systems was extended to include more realistic assumptions, further sensitivities, and greater explanation of results. It was shown that high penetrations of distributed PV without low-voltage ride-through (LVRT) will increase voltage recovery time after a fault. The impact is exacerbated when the potential for residential ac ...

2012-12-31T23:59:59.000Z

443

Characterization of solar thermal concepts for electricity generation: Volume 2, Appendices  

DOE Green Energy (OSTI)

Volume 1 of this report documented the analyses and evaluation of the concepts. This volume contains appendices which provided additional information on the approach used in the analysis, and further detail of the study results. Appendix A describes tradeoffs involved in the orientation of trough collector fields. The methodology used in the calculation of levelized energy costs is described in Appendix B. Additional detail on the annual energy output for each of the technologies is provided in Appendix C. Appendix D provides a discussion on the method and assumptions used in developing optical performance models for central receiver systems, and gives a detailed description of the results obtained. Plant cost data is shown in Appendix E, and a method for first-order sensitivity analyses using the data is described. The calculational approach used to estimate the manufacturing cost of distributed solar components is described in Appendix F.

Williams, T.A.; Dirks, J.A.; Brown, D.R.

1987-03-01T23:59:59.000Z

444

General Electric Company design review manual, commercial buildings. National Solar Demonstration Program  

DOE Green Energy (OSTI)

This manual is intended to serve as a guide to the Solar Energy Division of ERDA for preparing instructions for and evaluating the proposals resulting from the issuance of Program Opportunity Notices (PON's) for Commercial Buildings. The manual is meant to amplify Program Opportunity Notice DSE-75-2, with respect to site, building, and system selection and evaluation. The manual contains two major sections, one addressing the project concept and the other the design features. The project concept section provides for a description and evaluation of the site, the commercial building, the system application, the system predicted performance, and the long term economics of the application. The projects could be screened using the information from this section alone. Projects that remain acceptable can be further evaluated through design considerations as outlined in the second section. (WDM)

None

1976-06-01T23:59:59.000Z

445

Electricity Rate Structures and the Economics of Solar PV: Could Mandatory Time-of-Use Rates Undermine Californias Solar Photovoltaic Subsidies?  

E-Print Network (OSTI)

CSEM WP 172 Electricity Rate Structures and the Economics of94720-5180 www.ucei.org Electricity Rate Structures and thefuture of California electricity rate levels and rate design

Borenstein, Severin

2007-01-01T23:59:59.000Z

446

ELECTRIC  

Office of Legacy Management (LM)

ELECTRIC cdrtrokArJclaeT 3 I+ &i, y I &OF I*- j< t j,fci..- ir )(yiT E-li, ( -,v? Cl -p4.4 RESEARCH LABORATORIES EAST PITTSBURGH, PA. 8ay 22, 1947 Mr. J. Carrel Vrilson...

447

Solar Power: Using Photovoltaics to Preserve California's Electricity Capacity Reserves  

SciTech Connect

The California Power Authority (CPA) is committed to increasing the use of renewable energy supplies--such as photovoltaics and wind--as a hedge against price fluctuations of electricity and natural gas. The CPA wants to own and operate an adequate supply of reserve generation that: - Can be deployed quickly in response to severe summer peak loads, unexpected loss of base and intermediate generation units, and failure of critical transmission facilities; - Will minimize the reliance on spot market purchases during periods when the State is most vulnerable to price gouging from private generators.

Herig, C..

2001-09-01T23:59:59.000Z

448

Large-Scale Electric-Vehicle Battery Systems: Long-Term . . .  

E-Print Network (OSTI)

We investigate long-term metal resource constraints for large-scale EV systems for nine types of batteries: Li-polymer(V), Li-ion(Mn, Ni and Co), NaNiCl, NiMH(AB 2 and AB 5 ), NiCd and PbA, containing seven potentially scarce metals/group of metals: lithium, nickel, cobalt, vanadium, cadmium, lead and rare-earth elements. As a basis for the analysis, we calculate EV fleet size potentials (FSP) from estimated materials requirements: metal intensities (kg/kWh) and battery energy capacities per vehicle (kWh/vehicle); and available materials: reserve base and the amount that corresponds to 100 years of mining at current rates. NiCd, Li-ion(Co) and PbA have the most limited FSP (reserve base) with 20--50 million, 200--500 million and 500--800 million vehicles, respectively. Li-ion(Mn), NaNiCl and Li-ion(Ni) have the least limited FSP (reserve base) with 3--8 billion, 3--5 billion and 2--4 billion vehicles, respectively. However, for several of the batteries, 100 years of mining at current rate is much more limiting. The FSP only indicate magnitudes and it is not hard to reach FSP values ten times lower with additional assumptions. Important factors regarding the potential for higher or lower FSP are discussed, both for materials requirements: materials intensity and energy storage capacity per vehicle; as well as for metals availability: stocks of available resources, constraints on annual mine production and competition for metals. 1.

Bjrn A. Andersson; Ingrid Rde

1999-01-01T23:59:59.000Z

449

Renewable Electricity Generation | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Renewable Electricity Generation Renewable Electricity Generation Geothermal Read more Solar Read more Water Read more Wind Read more Our nation has abundant solar, water, wind,...

450

Two-Dimensional Measurement of n+-p Asymmetrical Junctions in Multicrystalline Silicon Solar Cells Using AFM-Based Electrical Techniques with Nanometer Resolution: Preprint  

DOE Green Energy (OSTI)

Lateral inhomogeneities of modern solar cells demand direct electrical imaging with nanometer resolution. We show that atomic force microscopy (AFM)-based electrical techniques provide unique junction characterizations, giving a two-dimensional determination of junction locations. Two AFM-based techniques, scanning capacitance microscopy/spectroscopy (SCM/SCS) and scanning Kelvin probe force microscopy (SKPFM), were significantly improved and applied to the junction characterizations of multicrystalline silicon (mc-Si) cells. The SCS spectra were taken pixel by pixel by precisely controlling the tip positions in the junction area. The spectra reveal distinctive features that depend closely on the position relative to the electrical junction, which allows us to indentify the electrical junction location. In addition, SKPFM directly probes the built-in potential over the junction area modified by the surface band bending, which allows us to deduce the metallurgical junction location by identifying a peak of the electric field. Our results demonstrate resolutions of 10-40 nm, depending on the techniques (SCS or SKPFM). These direct electrical measurements with nanometer resolution and intrinsic two-dimensional capability are well suited for investigating the junction distribution of solar cells with lateral inhomogeneities.

Jiang, C. S.; Moutinho, H. R.; Li, J. V.; Al-Jassim, M. M.; Heath, J. T.

2011-07-01T23:59:59.000Z

451

Impact of a solar domestic hot water demand-side management program on an electric utility and its customers  

DOE Green Energy (OSTI)

A methodology to assess the economic and environmental impacts of a large scale implementation of solar domestic hot water (SDHW) systems is developed. Energy, emission and demand reductions and their respective savings are quantified. It is shown that, on average, an SDHW system provides an energy reduction of about 3200 kWH, avoided emissions of about 2 tons and a capacity contribution of 0.7 kW to a typical Wisconsin utility that installs 5000 SDHW system. The annual savings from these reductions to utility is {dollar_sign}385,000, providing a return on an investment of over 20{percent}. It is shown that, on average, a consumer will save {dollar_sign}211 annually in hot water heating bills. 8 refs., 7 figs.

Trzeniewski, J.; Mitchell, J.W.; Klein, S.A.; Beckman, W.A.

1996-09-01T23:59:59.000Z

452

ELECTRIC  

Office of Legacy Management (LM)

ELECTRIC ELECTRIC cdrtrokArJclaeT 3 I+ &i, y$ \I &OF I*- j< t j,fci..- ir )(yiT !E-li, ( \-,v? Cl -p/4.4 RESEARCH LABORATORIES EAST PITTSBURGH, PA. 8ay 22, 1947 Mr. J. Carrel Vrilson General ?!!mager Atomic Qxzgy Commission 1901 Constitution Avenue Kashington, D. C. Dear Sir: In the course of OUT nuclenr research we are planning to study the enc:ri;y threshold anti cross section for fission. For thib program we require a s<>piAroted sample of metallic Uranium 258 of high purity. A quantity of at lezst 5 grams would probably be sufficient for our purpose, and this was included in our 3@icntion for license to the Atonic Energy Coskqission.. This license has been approved, 2nd rre would Llp!Jreciate informztion as to how to ?r*oceed to obtain thit: m2teria.l.

453

Electricity Rate Structures and the Economics of Solar PV: Could Mandatory Time-of-Use Rates Undermine Californias Solar Photovoltaic Subsidies?  

E-Print Network (OSTI)

that the real price of power that solar PV replaces issolar PV power the di?erence between the amortized cost of the PV power and price

Borenstein, Severin

2007-01-01T23:59:59.000Z

454

Electricity Rate Structures and the Economics of Solar PV: Could Mandatory Time-of-Use Rates Undermine Californias Solar Photovoltaic Subsidies?  

E-Print Network (OSTI)

Photovoltaic Systems in California and the Southwest RegionTime-of-Use Rates Undermine Californias Solar Photovoltaicof the University of California Energy Institute, a multi-

Borenstein, Severin

2007-01-01T23:59:59.000Z

455

Photovoltaic solar concentrator module  

DOE Patents (OSTI)

This invention consists of a planar photovoltaic concentrator module for producing an electrical signal from incident solar radiation which includes an electrically insulating housing having a front wall, an opposing back wall and a hollow interior. A solar cell having electrical terminals is positioned within the interior of the housing. A planar conductor is connected with a terminal of the solar cell of the same polarity. A lens forming the front wall of the housing is operable to direct solar radiation incident to the lens into the interior of the housing. A refractive optical element in contact with the solar cell and facing the lens receives the solar radiation directed into the interior of the housing by the lens and directs the solar radiation to the solar cell to cause the solar cell to generate an electrical signal. An electrically conductive planar member is positioned in the housing to rest on the housing back wall in supporting relation with the solar cell terminal of opposite polarity. The planar member is operable to dissipate heat radiated by the solar cell as the solar cell generates an electrical signal and further forms a solar cell conductor connected with the solar cell terminal to permit the electrical signal generated by the solar cell to be measured between the planar member and the conductor.

Chiang, C.J.

1991-05-16T23:59:59.000Z

456

Role of Energy Storage with Renewable Electricity Generation  

DOE Green Energy (OSTI)

Renewable energy sources, such as wind and solar, have vast potential to reduce dependence on fossil fuels and greenhouse gas emissions in the electric sector. Climate change concerns, state initiatives including renewable portfolio standards, and consumer efforts are resulting in increased deployments of both technologies. Both solar photovoltaics (PV) and wind energy have variable and uncertain (sometimes referred to as intermittent) output, which are unlike the dispatchable sources used for the majority of electricity generation in the United States. The variability of these sources has led to concerns regarding the reliability of an electric grid that derives a large fraction of its energy from these sources as well as the cost of reliably integrating large amounts of variable generation into the electric grid. In this report, we explore the role of energy storage in the electricity grid, focusing on the effects of large-scale deployment of variable renewable sources (primarily wind and solar energy).

Denholm, P.; Ela, E.; Kirby, B.; Milligan, M.

2010-01-01T23:59:59.000Z

457

Solar-assisted electric clothes dryer using a home attic as a heat source  

DOE Green Energy (OSTI)

This study was undertaken to determine the suitability of using a southeastern home attic as a means of reducing the energy consumption of an electric clothes dryer. An inexpensive duct (duplicable for $25) was constructed to collect hot attic air from the peak of a south facing roof and introduce it into the dryer inlet. Instrumentation was added to measure inlet temperatures and operating time/energy consumption of the dryer. Standardized test loads, in addition to normal laundry, were observed over the period of one year. The heat-on time of the dryer tested was shown to be reduced .16 to .35 minutes per /sup 0/C rise in inlet temperature. Inlet temperatures produced by the attic duct peaked at 56/sup 0/C(133/sup 9/F) in May/June and 40/sup 0/C(104/sup 0/F) in February. Based on peak temperatures available between 2 and 4 pm each month, a potential 20% yearly average savings could be realized. Economic viability of the system, dependant primarily on dryer usage, can be computed using a formula derived from the test results and included in the report.

Stana, J.M.

458

A Hot Plate Solar Cooker with Electricity Generation - Combining a Parabolic Trough Mirror with a Sidney Tube and Heat Pipe  

Science Conference Proceedings (OSTI)

Solar cookers supply clean and sustainable energy for cooking and so limit the use of wood or charcoal. A new type of solar cooker is developed with a hot plate. The hot plate offers comfortable access to the food under preparation. The hot plate opens ... Keywords: Sidney Tube, TEG, heat pipe, hot plate, solar cooker

A. D. J. Kaasjager; G. P. G. Moeys

2012-10-01T23:59:59.000Z

459

Comparative ranking of 0. 1 to 10 MW(e) solar thermal electric power systems. Volume I. Summary of results. Final report  

DOE Green Energy (OSTI)

This report is part of a two-volume set summarizing the results of a comparative ranking of generic solar thermal concepts designed specifically for electric power generation. The original objective of the study was to project the mid-1990 cost and performance of selected generic solar thermal electric power systems for utility applications and to rank these systems by criteria that reflect their future commercial acceptance. This study considered plants with rated capacities of 1 to 10 MW(e), operating over a range of capacity factors from the no-storage case to 0.7 and above. Later, the study was extended to include systems with capacities from 0.1 to 1 MW(e), a range that is attractive to industrial and other non-utility applications. This volume summarizes the results for the full range of capacities from 0.1 to 10 MW(e). Volume II presents data on performance and cost and ranking methodology.

Thornton, J.P.; Brown, K.C.; Finegold, J.G.; Gresham, J.B.; Herlevich, F.A.; Kowalik, J.S.; Kriz, T.A.

1980-08-01T23:59:59.000Z

460

Solar | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Solar Solar EERE plays a key role in advancing America's "all of the above" energy strategy, leading a large network of researchers and other partners to deliver innovative...

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Large-scale Utilization of Biomass Energy and Carbon Dioxide Capture and Storage in the Transport and Electricity Sectors under Stri ngent CO2 Concentration Limit Scenarios  

Science Conference Proceedings (OSTI)

Status: Published Citation: Luckow, P; Wise, M; Dooley, J; and Kim S. 2010. Large-scale Utilization of Biomass Energy and Carbon Dioxide Capture and Storage in the Transport and Electricity Sectors under Stringent CO2 Concentration Limit Scenarios. In International Journal of Greenhouse Gas Control, Volume 4, Issue 5, 2010, pp. 865-877. Large-scale, dedicated commercial biomass energy systems are a potentially large contributor to meeting stringent global climate policy targets by the end of the century....

2010-12-31T23:59:59.000Z

462

DOE Solar Decathlon: 2007 Map of the Solar Village  

NLE Websites -- All DOE Office Websites (Extended Search)

aerial view of the Solar Decathlon includes 17 partially constructed solar houses, two large tents, a large crane, and a lot of construction clutter. The Washington Monument is...

463

Numerical Study of Local/Regional Atmospheric Changes Caused by a Large Solar Central Receiver Power Plant  

Science Conference Proceedings (OSTI)

A two-dimensional, vertical cross section, numerical atmospheric mesoscale model has been applied to study the potential local/regional atmospheric effects of the installation of a 100 MWe solar thermal central receiver power plant at Barstow, ...

Chandrakant M. Bhumralkar; Arthur J. Slemmons; Kenneth C. Nitz

1981-06-01T23:59:59.000Z

464

The impact of large-scale solar photovoltaic adoption on prices and reliability in the New England power pool; Impact of large-scale solar PV adoption on prices and reliability in the New England power pool.  

E-Print Network (OSTI)

??The potential role of renewable energy in producing electricity in industrialized countries has been gaining attention as issues like climate change and high fossil fuel (more)

Martin, Katherine C

2006-01-01T23:59:59.000Z

465

Solar Energy Technologies Program: Solar Multimedia  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Efficiency and Renewable Energy Energy Efficiency and Renewable Energy EERE Home Programs & Offices Consumer Information Solar Multimedia search Home EERE » SunShot Initiative » Solar Multimedia Printable Version Bookmark and Share Feature Photo of 3 solar dishes, which have reflective, square-shaped material that creates a mirror image of the sky and clouds. Each dish is anchored to the ground by a vertical pole. Solar Dish - Albuquerque, New Mexico Credit: Sandia National Laboratories/Randy Montoya Solar Technologies Photovoltaics Photovoltaics Concentrating Solar Power Concentrating Solar Power Solar Applications Residential Residential Commercial Commercial Large Installations Large Installations City and County City and County Federal Federal Manufacturing Manufacturing Development and Testing

466

Simulating the seismic performance of a large-scale electric network in the U.S. midwest  

Science Conference Proceedings (OSTI)

This paper summarizes the methodology and simulation tools used by Argonne National Laboratory to examine the impact that a high-intensity New Madrid seismic event could have on local electric assets and the performance of surrounding regional electric ...

Edgar C. Portante; James A. Kavicky; Stephen F. Folga; Brian A. Craig; Leah E. Talaber; Gustav R. Wulfkuhle

2010-12-01T23:59:59.000Z

467

Solar Power  

NLE Websites -- All DOE Office Websites (Extended Search)

Solar Power Solar Power Project Opportunities Abound in the Region The WIPP site is receives abundant solar energy with 6-7 kWh/sq meter power production potential As the accompanying map of New Mexico shows, the WIPP site enjoys abundant year-round sunshine. With an average solar power production potential of 6-7 kWh/sq meter per day, one exciting project being studied for location at WIPP is a 30-50 MW Solar Power Tower: The American Solar Energy Society (ASES) is is a national trade association promoting solar energy as a clean source of electricity, and provides a comprehensive resource for additional information. DOE's Office of Energy Efficiency and Renewable Energy is also a comprehensive resource for more information on renewable energy.

468

Carnegie Mellon Electricity Industry Center Working Paper CEIC 09-01 www.cmu.edu/electricity Large Blackouts in North America  

E-Print Network (OSTI)

on reliable electricity infrastructure. Understanding what trends exist in the history of electricity , Sarosh Talukdarc a School of Engineering, 301 Votey Hall, University of Vermont, 33 Colchester Ave-law generating mechanisms), there is some agreement that the data fit well to a power-law statistic. However

Hines, Paul

469

Solar Kit Lessons  

NLE Websites -- All DOE Office Websites (Extended Search)

Solar Kit Lessons Middle School Curriculum Created by Northeast Sustainable Energy Association (NESEA) Click on the links below to take you to the Chapter heading: Solar Cell Inquiry Sunshine Timer Parts of a Solar Panel Part 1 Parts of a Solar Panel Part 2 Build a Simple Ammeter Solar-Powered Battery Charger Positioning Solar Panels 1 Positioning Solar Panels 2 Properties of Solar Radiation: Reflection, Transmission, and Absorption Properties of Solar Radiation: Direct and Diffuse Light Power Maximum: An Electrical Determination Calibration Curve for a Radiation Meter Solarize a Toy Solar Cells as Control Devices Solar-Powered Electrolysis of Water and the Hydrogen Economy Solar Kit Lesson #1 Solar Cell Inquiry TEACHER INFORMATION LEARNING OUTCOME

470

The Access Almanac: Solar Parking Requirements  

E-Print Network (OSTI)

throughout the city. In California, one solar-coveredcommuters electric cars. California requires that, by 2025,

Shoup, Donald

2012-01-01T23:59:59.000Z

471

Concentrating Solar Power Dish/Engine System Basics | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Concentrating Solar Power Dish/Engine System Basics Concentrating Solar Power Dish/Engine System Basics Concentrating Solar Power Dish/Engine System Basics August 20, 2013 - 5:02pm Addthis The dish/engine system is a concentrating solar power (CSP) technology that produces relatively small amounts of electricity compared to other CSP technologies-typically in the range of 3 to 25 kilowatts. Dish/engine systems use a parabolic dish of mirrors to direct and concentrate sunlight onto a central engine that produces electricity. The two major parts of the system are the solar concentrator and the power conversion unit. Solar Concentrator Illustration of a dish/engine power plant. Sunlight is shown reflecting off the large dish-shaped concentrator and onto the mounted power conversion unit to generate electricity that is fed into the power grid. The system looks similar to a large satellite television receiver dish.

472

Solar Two  

DOE Green Energy (OSTI)

Solar Two is a concentrating solar power plant that can supply electric power on demand to the local utility, Southern California Edison Company. It can do so because it operates not only during sunny parts of the day, but it can store enough thermal energy from the sun to operate during cloudy periods and after dark, for up to three hours, at its rated output of 10 megawatts (MW). For the first time ever, a utility scale solar power plant can supply electricity when the utility needs it most, to satisfy the energy requirements of its customers.

Not Available

1998-04-01T23:59:59.000Z

473

Life Cycle Greenhouse Gas Emissions of Trough and Tower Concentrating Solar Power Electricity Generation: Systematic Review and Harmonization  

SciTech Connect

In reviewing life cycle assessment (LCA) literature of utility-scale concentrating solar power (CSP) systems, this analysis focuses on reducing variability and clarifying the central tendency of published estimates of life cycle greenhouse gas (GHG) emissions through a meta-analytical process called harmonization. From 125 references reviewed, 10 produced 36 independent GHG emissions estimates passing screens for quality and relevance: 19 for parabolic trough (trough) technology and 17 for power tower (tower) technology. The interquartile range (IQR) of published estimates for troughs and towers were 83 and 20 grams of carbon dioxide equivalent per kilowatt-hour (g CO2-eq/kWh),1 respectively; median estimates were 26 and 38 g CO2-eq/kWh for trough and tower, respectively. Two levels of harmonization were applied. Light harmonization reduced variability in published estimates by using consistent values for key parameters pertaining to plant design and performance. The IQR and median were reduced by 87% and 17%, respectively, for troughs. For towers, the IQR and median decreased by 33% and 38%, respectively. Next, five trough LCAs reporting detailed life cycle inventories were identified. The variability and central tendency of their estimates are reduced by 91% and 81%, respectively, after light harmonization. By harmonizing these five estimates to consistent values for global warming intensities of materials and expanding system boundaries to consistently include electricity and auxiliary natural gas combustion, variability is reduced by an additional 32% while central tendency increases by 8%. These harmonized values provide useful starting points for policy makers in evaluating life cycle GHG emissions from CSP projects without the requirement to conduct a full LCA for each new project.

Burkhardt, J. J.; Heath, G.; Cohen, E.

2012-04-01T23:59:59.000Z

474

Solar Energy Generation in Three Dimensions  

E-Print Network (OSTI)

Optimizing the conversion of solar energy to electricity is central to the World's future energy economy. Flat photovoltaic panels are commonly deployed in residential and commercial rooftop installations without sun tracking systems and using simple installation guidelines to optimize solar energy collection. Large-scale solar energy generation plants use bulky and expensive sun trackers to avoid cosine losses from photovoltaic panels or to concentrate sunlight with mirrors onto heating fluids.[1,2] However, none of these systems take advantage of the three-dimensional nature of our biosphere, so that solar energy collection largely occurs on flat structures in contrast with what is commonly observed in Nature.[3,4] Here we formulate, solve computationally and study experimentally the problem of collecting solar energy in three-dimensions.[5] We demonstrate that absorbers and reflectors can be combined in the absence of sun tracking to build three-dimensional photovoltaic (3DPV) structures that can generate ...

Bernardi, Marco; Wan, Jin H; Villalon, Rachelle; Grossman, Jeffrey C

2011-01-01T23:59:59.000Z

475

Solar energy conversion systems engineering and economic analysis radiative energy input/thermal electric output computation. Volume III  

DOE Green Energy (OSTI)

The direct energy flux analytical model, an analysis of the results, and a brief description of a non-steady state model of a thermal solar energy conversion system implemented on a code, SIRR2, as well as the coupling of CIRR2 which computes global solar flux on a collector and SIRR2 are presented. It is shown how the CIRR2 and, mainly, the SIRR2 codes may be used for a proper design of a solar collector system. (LEW)

Russo, G.

1982-09-01T23:59:59.000Z

476

NREL: Learning - Solar Energy Basics  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Basics Photo of a solar electric system in Colorado with snow-covered mountain peaks in the background. Solar panels installed on a home in Colorado. Solar is the Latin word...

477

Homebuilder's Guide to Going Solar  

DOE R&D Accomplishments (OSTI)

This 8-page brochure describes the steps a builder would take to install solar electricity (photovoltaics or PV), solar water heating, or how to build a home solar ready.

2008-12-00T23:59:59.000Z

478

Solar two: Utility-scale power from the sun  

DOE Green Energy (OSTI)

Information is presented on the Solar Two solar-powered electric generating plant located east of Barstow California.

NONE

1996-02-01T23:59:59.000Z

479

City of Eugene - Solar Standards | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

City of Eugene - Solar Standards < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Solar Heating Buying & Making Electricity...

480

EIA - State Electricity Profiles - Energy Information Administration  

U.S. Energy Information Administration (EIA)

Energy Information Administration ... solar, wind, geothermal, ... More Tables on New Jersey's Electricity Profile: Formats;

Note: This page contains sample records for the topic "large solar electric" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Solar Energy Technology Basics | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Solar Energy Technology Basics Solar Energy Technology Basics August 16, 2013 - 4:37pm Addthis Solar energy technologies produce electricity from the energy of the sun. Small solar...

482

Land use requirements for ground-mounted solar power facilities. | OpenEI  

Open Energy Info (EERE)

Land use requirements for ground-mounted solar power facilities. Land use requirements for ground-mounted solar power facilities. Dataset Summary Description This dataset is part of a larger internal dataset at the National Renewable Energy Laboratory (NREL) that explores various characteristics of large solar electric (both PV and CSP) facilities around the United States. This dataset focuses on the land use characteristics for solar facilities that are either under construction or currently in operation. Source Land-Use Requirements for Solar Power Plants in the United States Date Released June 25th, 2013 (5 months ago) Date Updated Unknown Keywords acres area average concentrating solar power csp Density electric hectares km2 land land requirements land use land-use mean photovoltaic photovoltaics PV solar statistics Data application/vnd.openxmlformats-officedocument.spreadsheetml.sheet icon Master Solar Land Use Spreadsheet (xlsx, 1.5 MiB)

483

Study on the use of adaptive control for energy conservation in large solar heated and cooled buildings  

DOE Green Energy (OSTI)

The National Security and Resources Study Center at LASL provides the basis for a general model used in this simulation. The NSRSC is a 59,000 ft/sup 2/ library and conference facility. A simplified model of the solar heating system is used. The adaptive optimal control technique is described and applied and the results are discussed. (MHR)

Farris, D.R.; Melsa, J.L.

1980-01-01T23:59:59.000Z

484

Assessment of generic solar thermal systems for large power applications. Volume II. Analysis of thermal energy production costs for systems from 50 to 600 MWt  

SciTech Connect

A comparative analysis of solar thermal concepts that are potentially suitable for development as large process heat systems (50 to 600 MWt) was performed. The concepts considered can be classified into three categories based on the type of solar tracking used by the collector: (1) two-axis tracking, in which concentrators track the sun's motion in both azimuth and altitude; (2) one-axis tracking, in which concentrators track changes in either azimuth or altitude; and (3) non-tracking, in which the concentrators are fixed. Seven generic types of collectors were considered. Conceptual designs developed for the seven systems were based on common assumptions of available technology in the 1990 to 2000 time frame. Costs were estimated on the basis of identical assumptions, ground rules, methodologies, and unit costs of materials and labor applied uniformly to all of the concepts.

Bird, S.P.; Apley, W.J.; Barnhart, J.S.; Brown, D.R.; Drost, M.K.; Fort, J.A.; Garrett-Price, B.A.; Williams, T.A.

1981-06-01T23:59:59.000Z

485

Assessment of generic solar thermal systems for large power applications. Volume II. Analysis of thermal energy production costs for systems from 50 to 600 MWt  

DOE Green Energy (OSTI)

A comparative analysis of solar thermal concepts that are potentially suitable for development as large process heat systems (50 to 600 MWt) was performed. The concepts considered can be classified into three categories based on the type of solar tracking used by the collector: (1) two-axis tracking, in which concentrators track the sun's motion in both azimuth and altitude; (2) one-axis tracking, in which concentrators track changes in either azimuth or altitude; and (3) non-tracking, in which the concentrators are fixed. Seven generic types of collectors were considered. Conceptual designs developed for the seven systems were based on common assumptions of available technology in the 1990 to 2000 time frame. Costs were estimated on the basis of identical assumptions, ground rules, methodologies, and unit costs of materials and labor applied uniformly to all of the concepts.

Bird, S.P.; Apley, W.J.; Barnhart, J.S.; Brown, D.R.; Drost, M.K.; Fort, J.A.; Garrett-Price, B.A.; Williams, T.A.

1981-06-01T23:59:59.000Z

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