National Library of Energy BETA

Sample records for industrial photovoltaics solar

  1. Photovoltaic Solar Projects | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects Photovoltaic Solar Projects LPO_Utility-Scale_PV_Solar_Report_Thumbnail_180.png

  2. Organic Photovoltaic Solar Cells | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Organic Photovoltaic Solar Cells The National Center for Photovoltaics (NCPV) at NREL has strong complementary research capabilities in organic photovoltaic (OPV) cells, transparent conducting oxides (TCOs), combinatorial (combi) methods, molecular simulation methods, and atmospheric processing. From fundamental physical studies to applied research relating to solar industry needs, we are developing the new materials, device structures, and tools needed to create polymer-based solar cells that

  3. Solar Photovoltaic Economic Development: Building and Growing a Local PV Industry, August 2011 (Book)

    SciTech Connect

    Not Available

    2011-08-01

    The U.S. photovoltaic (PV) industry is forecast to grow, and it represents an opportunity for economic development and job creation in communities throughout the United States. This report helps U.S. cities evaluate economic opportunities in the PV industry. It serves as a guide for local economic development offices in evaluating their community?s competitiveness in the solar PV industry, assessing the viability of solar PV development goals, and developing strategies for recruiting and retaining PV companies to their areas.

  4. Photovoltaic solar concentrator

    SciTech Connect

    Nielson, Gregory N.; Cruz-Campa, Jose Luis; Okandan, Murat; Resnick, Paul J.; Sanchez, Carlos Anthony; Clews, Peggy J.; Gupta, Vipin P.

    2015-09-08

    A process including forming a photovoltaic solar cell on a substrate, the photovoltaic solar cell comprising an anchor positioned between the photovoltaic solar cell and the substrate to suspend the photovoltaic solar cell from the substrate. A surface of the photovoltaic solar cell opposite the substrate is attached to a receiving substrate. The receiving substrate may be bonded to the photovoltaic solar cell using an adhesive force or a metal connecting member. The photovoltaic solar cell is then detached from the substrate by lifting the receiving substrate having the photovoltaic solar cell attached thereto and severing the anchor connecting the photovoltaic solar cell to the substrate. Depending upon the type of receiving substrate used, the photovoltaic solar cell may be removed from the receiving substrate or remain on the receiving substrate for use in the final product.

  5. Renewable Energy Ready Home Solar Photovoltaic Specifications...

    Energy Saver

    Renewable Energy Ready Home Solar Photovoltaic Specifications Renewable Energy Ready Home Solar Photovoltaic Specifications Solar Photovoltaic Specification, Checklist and Guide, ...

  6. Photovoltaics industry profile

    SciTech Connect

    1980-10-01

    A description of the status of the US photovoltaics industry is given. Principal end-user industries are identified, domestic and foreign market trends are discussed, and industry-organized and US government-organized trade promotion events are listed. Trade associations and trade journals are listed, and a photovoltaic product manufacturers list is included. (WHK)

  7. Solar Photovoltaic Technology Basics | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Photovoltaic Technology Basics Solar cells, also called photovoltaic (PV) cells by scientists, convert sunlight directly into electricity. PV gets its name from the process ...

  8. Industry Perspectives on Advanced Inverters for U.S. Solar Photovoltaic Systems: Grid Benefits, Deployment Challenges, and Emerging Solutions

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Industry Perspectives on Advanced Inverters for U.S. Solar Photovoltaic Systems: Grid Benefits, Deployment Challenges, and Emerging Solutions Emerson Reiter, Kristen Ardani, and Robert Margolis National Renewable Energy Laboratory Ryan Edge Solar Electric Power Association Technical Report NREL/TP-7A40-65063 September 2015 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

  9. China Solar Photovoltaic Group CNPV aka Dongying Photovoltaic...

    OpenEI (Open Energy Information) [EERE & EIA]

    Group CNPV aka Dongying Photovoltaic Power Co Ltd or China Solar PV Jump to: navigation, search Name: China Solar Photovoltaic Group (CNPV, aka Dongying Photovoltaic Power Co Ltd...

  10. Photovoltaic solar cell

    SciTech Connect

    Nielson, Gregory N; Okandan, Murat; Cruz-Campa, Jose Luis; Resnick, Paul J

    2013-11-26

    A photovoltaic solar cell for generating electricity from sunlight is disclosed. The photovoltaic solar cell comprises a plurality of spaced-apart point contact junctions formed in a semiconductor body to receive the sunlight and generate the electicity therefrom, the plurality of spaced-apart point contact junctions having a first plurality of regions having a first doping type and a second plurality of regions having a second doping type. In addition, the photovoltaic solar cell comprises a first electrical contact electrically connected to each of the first plurality of regions and a second electrical contact electrically connected to each of the second plurality of regions, as well as a passivation layer covering major surfaces and sidewalls of the photovoltaic solar cell.

  11. Photovoltaic solar cell

    SciTech Connect

    Nielson, Gregory N; Cruz-Campa, Jose Luis; Okandan, Murat; Resnick, Paul J

    2014-05-20

    A photovoltaic solar cell for generating electricity from sunlight is disclosed. The photovoltaic solar cell comprises a plurality of spaced-apart point contact junctions formed in a semiconductor body to receive the sunlight and generate the electricity therefrom, the plurality of spaced-apart point contact junctions having a first plurality of regions having a first doping type and a second plurality of regions having a second doping type. In addition, the photovoltaic solar cell comprises a first electrical contact electrically connected to each of the first plurality of regions and a second electrical contact electrically connected to each of the second plurality of regions, as well as a passivation layer covering major surfaces and sidewalls of the photovoltaic solar cell.

  12. Residential Photovoltaic Solar Panels

    Office of Energy Efficiency and Renewable Energy (EERE)

    This b-roll footage shows exteriors of two Colorado residences that use photovoltaic panels to collect renewable solar energy, thereby reducing their dependence on external electric power. Net...

  13. Solar Energy Technologies Program: Photovoltaics

    SciTech Connect

    2009-10-26

    Fact sheet summarizing the goals and activities of the DOE Solar Energy Technologies Program efforts within its photovoltaics subprogram.

  14. Photovoltaic solar cell

    SciTech Connect

    Nielson, Gregory N.; Gupta, Vipin P.; Okandan, Murat; Watts, Michael R.

    2015-09-08

    A photovoltaic solar concentrator is disclosed with one or more transverse-junction solar cells (also termed point contact solar cells) and a lens located above each solar cell to concentrate sunlight onto the solar cell to generate electricity. Piezoelectric actuators tilt or translate each lens to track the sun using a feedback-control circuit which senses the electricity generated by one or more of the solar cells. The piezoelectric actuators can be coupled through a displacement-multiplier linkage to provide an increased range of movement of each lens. Each lens in the solar concentrator can be supported on a frame (also termed a tilt plate) having three legs, with the movement of the legs being controlled by the piezoelectric actuators.

  15. Photovoltaic solar concentrator

    DOEpatents

    Nielson, Gregory N.; Okandan, Murat; Resnick, Paul J.; Cruz-Campa, Jose Luis

    2012-12-11

    A photovoltaic solar concentrator is disclosed with one or more transverse-junction solar cells (also termed point contact solar cells) and a lens located above each solar cell to concentrate sunlight onto the solar cell to generate electricity. Piezoelectric actuators tilt or translate each lens to track the sun using a feedback-control circuit which senses the electricity generated by one or more of the solar cells. The piezoelectric actuators can be coupled through a displacement-multiplier linkage to provide an increased range of movement of each lens. Each lens in the solar concentrator can be supported on a frame (also termed a tilt plate) having three legs, with the movement of the legs being controlled by the piezoelectric actuators.

  16. Photovoltaic solar concentrator

    DOEpatents

    Nielson, Gregory N.; Gupta, Vipin P.; Okandan, Murat; Watts, Michael R.

    2016-03-15

    A photovoltaic solar concentrator is disclosed with one or more transverse-junction solar cells (also termed point contact solar cells) and a lens located above each solar cell to concentrate sunlight onto the solar cell to generate electricity. Piezoelectric actuators tilt or translate each lens to track the sun using a feedback-control circuit which senses the electricity generated by one or more of the solar cells. The piezoelectric actuators can be coupled through a displacement-multiplier linkage to provide an increased range of movement of each lens. Each lens in the solar concentrator can be supported on a frame (also termed a tilt plate) having three legs, with the movement of the legs being controlled by the piezoelectric actuators.

  17. Concentrating photovoltaic solar panel

    DOEpatents

    Cashion, Steven A; Bowser, Michael R; Farrelly, Mark B; Hines, Braden E; Holmes, Howard C; Johnson, Jr., Richard L; Russell, Richard J; Turk, Michael F

    2014-04-15

    The present invention relates to photovoltaic power systems, photovoltaic concentrator modules, and related methods. In particular, the present invention features concentrator modules having interior points of attachment for an articulating mechanism and/or an articulating mechanism that has a unique arrangement of chassis members so as to isolate bending, etc. from being transferred among the chassis members. The present invention also features adjustable solar panel mounting features and/or mounting features with two or more degrees of freedom. The present invention also features a mechanical fastener for secondary optics in a concentrator module.

  18. Glass needs for a growing photovoltaics industry

    SciTech Connect

    Burrows, Keith; Fthenakis, Vasilis

    2015-01-01

    With the projected growth in photovoltaics, the demand for glass for the solar industry will far exceed the current supply, and thousands of new float-glass plants will have to be built to meet its needs over the next 20 years. Such expansion will provide an opportunity for the solar industry to obtain products better suited to their needs, such as low-iron glass and borosilicate glass at the lowest possible price. While there are no significant technological hurdles that would prevent the flat glass industry from meeting the solar industrys projected needs, to do so will require advance planning and substantial investments.

  19. Glitter-Sized Solar Photovoltaics

    Office of Energy Efficiency and Renewable Energy (EERE)

    Featured in this photograph are tiny glitter-sized photovoltaic cells, developed by Sandia National Laboratories scientists, that could revolutionize the way solar energy is collected and used....

  20. Solar Photovoltaic Technologies - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Technology Marketing Summaries Site Map Printable Version Share this resource About Search Categories (15) Advanced Materials Biomass and Biofuels Building Energy Efficiency Electricity Transmission Energy Analysis Energy Storage Geothermal Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Solar Photovoltaic Marketing Summaries (135) Success Stories (5) Solar Thermal Startup America Vehicles and Fuels Wind Energy Partners (27) Visual Patent Search Success Stories Browse

  1. Advancing Solar Through Photovoltaic Technology Innovations ...

    Energy Saver

    Advancing Solar Through Photovoltaic Technology Innovations Advancing Solar Through Photovoltaic Technology Innovations April 19, 2011 - 5:17pm Addthis At NREL's High-Intensity ...

  2. UTILITY-SCALE PHOTOVOLTAIC SOLAR | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    UTILITY-SCALE PHOTOVOLTAIC SOLAR UTILITY-SCALE PHOTOVOLTAIC SOLAR SOLAR: UTILITY-SCALE PHOTOVOLTAIC SOLAR POSTER (1.07 MB) More Documents & Publications UTILITY-SCALE PHOTOVOLTAIC SOLAR Download LPO's Illustrated Poster Series ANTELOPE VALLEY SOLAR RANCH MESQUITE

  3. Glass needs for a growing photovoltaics industry

    SciTech Connect

    Burrows, Keith; Fthenakis, Vasilis

    2014-10-18

    With the projected growth in photovoltaics, the demand for glass for the solar industry will far exceed the current supply, and thousands of new float-glass plants will have to be built to meet its needs over the next 20 years. Such expansion will provide an opportunity for the solar industry to obtain products better suited to their needs, such as low-iron glass and borosilicate glass at the lowest possible price. While there are no significant technological hurdles that would prevent the flat glass industry from meeting the solar industry’s projected needs, to do so will require advance planning and substantial investments.

  4. Solar Access to Public Capital (SAPC) Working Group: Best Practices in Commercial and Industrial (C&I) Solar Photovoltaic System Installation; Period of Performance: November 28, 2014-September 1, 2015

    SciTech Connect

    Doyle, Chris; Loomans, Len; Truitt, Andrew; Lockhart, Robert; Golden, Matt; Dabbagh, Kareem; Lawrence, Richard

    2015-12-29

    This Best Practices in Commercial and Industrial Solar Photovoltaic System Installation Guide is the second of a series of guides designed to standardize and improve solar asset transparency for investors and rating agencies, provide an industry framework for quality management, and reduce transaction costs in the solar asset securitization process. The Best Practices in C&I PV System Installation Guide is intended to outline the minimum requirements for commercial and industrial solar project developments. Adherence to the guide is voluntary. Providers that adhere to the guide are responsible for self-certifying that they have fulfilled the guide requirements. Investors and rating agencies should verify compliance.

  5. Photovoltaics: solar electric power systems

    SciTech Connect

    1980-02-01

    The operation and uses of solar cells and the National Photovoltaic Program are briefly described. Eleven DOE photovoltaic application projects are described including forest lookout towers; Wilcox Memorial Hospital in Hawaii; WBNO daytime AM radio station; Schuchuli Indian Village; Meade, Nebraska, agricultural experiment; Mt. Laguna Air Force Station; public schools and colleges; residential applications; and Sea World of Florida. (WHK)

  6. NREL: Photovoltaics Research - Solar Energy Research Facility

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Energy Research Facility Photo of the Solar Energy Research Facility. The exterior stepped clerestory of the Solar Energy Research Facility. Photovoltaics (PV) and basic ...

  7. Recording of SERC Monitoring Technologies - Solar Photovoltaics |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Recording of SERC Monitoring Technologies - Solar Photovoltaics Recording of SERC Monitoring Technologies - Solar Photovoltaics This document provides a transcript of the of SERC Monitoring Technologies - Solar Photovoltaics webinar, presented on 10/20/2011 by Peter McNutt. serc_webinar_20111020_solar_pv_transcipt.pdf (150.41 KB) More Documents & Publications Sustainable Energy Resources for Consumers (SERC) - Solar Hot Water SERC Photovoltaics for Residential

  8. Solar-electric power: The U.S. photovoltaic industry roadmap

    SciTech Connect

    None, None

    2003-01-01

    To meet this challenge, we — the U.S.-based PV industry — have developed this roadmap as a guide for building our domestic industry, ensuring U.S. technology ownership, and implementing a sound commercialization strategy that will yield significant benefits at minimal cost. Putting the roadmap into action will call for reasonable and consistent co-investment by our industry and government in research and technology development.

  9. Linkages from DOE's Solar Photovoltaic R&D to Commercial Renewable Power

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Generation from Solar Energy | Department of Energy Solar Photovoltaic R&D to Commercial Renewable Power Generation from Solar Energy Linkages from DOE's Solar Photovoltaic R&D to Commercial Renewable Power Generation from Solar Energy The U.S. Department of Energy's (DOE) Solar Photovoltaic R&D Subprogram promotes the development of cost-effective systems for directly converting solar energy into electricity for residential, commercial, and industrial applications. This study

  10. Solar Photovoltaic Technologies Available for Licensing - Energy Innovation

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Portal Photovoltaic Site Map Printable Version Share this resource About Search Categories (15) Advanced Materials Biomass and Biofuels Building Energy Efficiency Electricity Transmission Energy Analysis Energy Storage Geothermal Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Solar Photovoltaic Marketing Summaries (135) Success Stories (5) Solar Thermal Startup America Vehicles and Fuels Wind Energy Partners (27) Visual Patent Search Success Stories Browse Solar

  11. Glass needs for a growing photovoltaics industry

    DOE PAGES [OSTI]

    Burrows, Keith; Fthenakis, Vasilis

    2014-10-18

    With the projected growth in photovoltaics, the demand for glass for the solar industry will far exceed the current supply, and thousands of new float-glass plants will have to be built to meet its needs over the next 20 years. Such expansion will provide an opportunity for the solar industry to obtain products better suited to their needs, such as low-iron glass and borosilicate glass at the lowest possible price. While there are no significant technological hurdles that would prevent the flat glass industry from meeting the solar industry’s projected needs, to do so will require advance planning and substantialmore » investments.« less

  12. Planar photovoltaic solar concentrator module

    DOEpatents

    Chiang, C.J.

    1992-12-01

    A planar photovoltaic concentrator module for producing an electrical signal from incident solar radiation 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. 5 figs.

  13. Planar photovoltaic solar concentrator module

    DOEpatents

    Chiang, Clement J.

    1992-01-01

    A planar photovoltaic concentrator module for producing an electrical signal from incident solar radiation 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.

  14. Hybrid Tandem Solar Cells | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Hybrid Tandem Solar Cells To achieve aggressive cost reductions in photovoltaics (PV) beyond the 6¢/kWh SunShot Initiative 2020 goal, module efficiency must be increased beyond the single-junction limit. Many device architectures have been investigated, but successful devices will likely use industry's standard platform-crystalline silicon. We have several projects that build on a silicon platform and that aim to provide viable prototypes for commercialization. PV Research Other Materials &

  15. Sandia Energy - Sandia Tool Determines Value of Solar Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Tool Determines Value of Solar Photovoltaic Power Systems Home Renewable Energy Energy Partnership News News & Events Photovoltaic Solar Sandia Tool Determines Value of Solar...

  16. Solar Junction Develops World Record Setting Concentrated Photovoltaic...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Junction Develops World Record Setting Concentrated Photovoltaic Solar Cell Solar Junction Develops World Record Setting Concentrated Photovoltaic Solar Cell April 18, 2013 - ...

  17. Solar Photovoltaic Success Stories - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Panel Design Ideas for Your Home Solar Panel Design Ideas for Your Home June 8, 2016 - 5:08pm Addthis These examples of building integrated photovoltaic panels are like solar eye candy. All images from U.S. Department of Energy Solar Decathlon These examples of building integrated photovoltaic panels are like solar eye candy. All images from U.S. Department of Energy Solar Decathlon Alexis Powers Communications Specialist at the National Renewable Energy Laboratory Solar is not just for

  18. Solar Photovoltaic SPECIFICATION, CHECKLIST AND GUIDE

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaic SPECIFICATION, CHECKLIST AND GUIDE Renewable Energy Ready Home Renewable Energy Ready Home SOLAR PHOTOVOLTAIC SPECIFICATION, CHECKLIST AND GUIDE i Table of Contents About the Renewable Energy Ready Home Specifications Assumptions of the RERH Solar Photovoltaic Specification .............................................................................. 1 Builder and Specification Limitations

  19. Solar Junction Develops World Record Setting Concentrated Photovoltaic Solar Cell

    Energy.gov [DOE]

    EERE supported the development of Solar Junction's concentrated photovoltaic technology that set a world record for conversion efficiency.

  20. Solar Leasing for Residential Photovoltaic Systems (Revised)...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    programs have begun to lower their rebates for small photovoltaic systems (<10 kW). ... Solar Leasing for Residential Photovoltaic Systems 1 Although the high up-front cost of PV ...

  1. Solar Photovoltaic Technology Basics | Department of Energy

    Energy.gov [DOE] (indexed site)

    U.S. Department of Energy. Harnessing Solar Energy at Home Loan Guarantees for Three California PV Solar Plants Expected to Create 1,400 Jobs Solar Photovoltaic Cell Basics

  2. Selecting Solar: Insights into Residential Photovoltaic (PV)...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Selecting Solar: Insights into Residential Photovoltaic (PV) Quote Variation Carolyn Davidson and Robert Margolis National Renewable Energy Laboratory Technical Report NREL...

  3. Ningbo Zhousheng Solar Photovoltaic Manufactory Co Ltd | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Zhousheng Solar Photovoltaic Manufactory Co Ltd Jump to: navigation, search Name: Ningbo Zhousheng Solar Photovoltaic Manufactory Co Ltd Place: Ningbo, Zhejiang Province, China...

  4. Bengbu Sanxin Solar Photovoltaic Glass Co Ltd | Open Energy Informatio...

    OpenEI (Open Energy Information) [EERE & EIA]

    Bengbu Sanxin Solar Photovoltaic Glass Co Ltd Jump to: navigation, search Name: Bengbu Sanxin Solar Photovoltaic Glass Co Ltd Place: Bengbu, Anhui Province, China Product: Glass...

  5. Nantong Qiangsheng Photovoltaic Technology Co Ltd QS Solar |...

    OpenEI (Open Energy Information) [EERE & EIA]

    Qiangsheng Photovoltaic Technology Co Ltd QS Solar Jump to: navigation, search Name: Nantong Qiangsheng Photovoltaic Technology Co Ltd (QS Solar) Place: Shanghai Municipality,...

  6. Jiangsu Jiasheng Photovoltaic Technology Co Ltd aka JS Solar...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jiasheng Photovoltaic Technology Co Ltd aka JS Solar Ltd Jump to: navigation, search Name: Jiangsu Jiasheng Photovoltaic Technology Co Ltd (aka JS Solar Ltd) Place: Jiangsu...

  7. Udhaya Energy Photovoltaics P Ltd UPV Solar | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Udhaya Energy Photovoltaics P Ltd UPV Solar Jump to: navigation, search Name: Udhaya Energy Photovoltaics (P) Ltd. (UPV Solar) Place: Coimbatore, Tamil Nadu, India Zip: 641 407...

  8. EPV Solar Inc formerly Energy Photovoltaics | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    EPV Solar Inc formerly Energy Photovoltaics Jump to: navigation, search Name: EPV Solar Inc (formerly Energy Photovoltaics) Place: Robbinsville, New Jersey Zip: 8691 Product: US...

  9. Solar Photovoltaic Financing: Deployment on Public Property by...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solar Photovoltaic Financing: Deployment on Public Property by State and Local Governments Solar Photovoltaic Financing: Deployment on Public Property by State and Local ...

  10. High-Performance Home Technologies: Solar Thermal & Photovoltaic...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solar Thermal & Photovoltaic Systems; Volume 6 Building America Best Practices Series High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems; Volume 6 ...

  11. Sustainable Energy Resources for Consumers (SERC) - Solar Photovoltaic...

    Energy Saver

    Solar Photovoltaics Sustainable Energy Resources for Consumers (SERC) - Solar Photovoltaics This presentation, aimed at Sustainable Energy Resources for Consumers (SERC) grantees, ...

  12. Solar photovoltaic reflective trough collection structure

    SciTech Connect

    Anderson, Benjamin J.; Sweatt, William C.; Okandan, Murat; Nielson, Gregory N.

    2015-11-19

    A photovoltaic (PV) solar concentration structure having at least two troughs encapsulated in a rectangular parallelepiped optical plastic structure, with the troughs filled with an optical plastic material, the troughs each having a reflective internal surface and approximately parabolic geometry, and the troughs each including photovoltaic cells situated so that light impinging on the optical plastic material will be concentrated onto the photovoltaic cells. Multiple structures can be connected to provide a solar photovoltaic collection system that provides portable, efficient, low-cost electrical power.

  13. U.S. Photovoltaic Industry Roadmap | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Photovoltaic Industry Roadmap Jump to: navigation, search Tool Summary LAUNCH TOOL Name: U.S. Photovoltaic Industry Roadmap AgencyCompany Organization: United States...

  14. Biomonitoring for the photovoltaics industry

    SciTech Connect

    Bernholc, N.M.; Moskowitz, P.D.

    1995-07-01

    Biomonitoring often is used as a method for estimating the dose to an individual. Therefore, a parameter of measurement, or biomarkers must be identified. The purpose of this paper is to give an overview of biomonitoring protocols for metals used in the photovoltaics industry. Special attention is given to areas that often are skimmed over, to gain insights into some of the problems that may arise when these tasks are carried out. Biological monitoring can be used to determine current human exposures to chemicals, as well as to detect past exposures, and the effects that these exposures may have on human health. It is used in conjunction with environmental monitoring to describe more completely worker`s exposures to, and absorption of, chemicals in the workplace. Biological specimens (e.g., blood, hair or urine) are analyzed for chemical agents, metabolites, or for some specific effect on the person (Lowry 1994). Biomonitoring can assess a workers exposure to industrial chemicals by all routes including skin absorption and ingestion. Although the methodology still is in its infancy, in cases where the procedures have been developed, it can be an invaluable component of an ongoing program of industrial hygiene monitoring. Like any technology, there are limitations to its effectiveness because of a lack of knowledge, contamination of specimens, and the introduction of errors.

  15. Real-Time Photovoltaic and Solar Resource Testing | Photovoltaic Research |

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    NREL Real-Time Photovoltaic and Solar Resource Testing National Center for Photovoltaics (NCPV) scientists and engineers study long-term performance, reliability, and failures of PV components and systems-both in house and via external collaborations. Through analysis, they quantify long-term degradation and then share the results with the PV community. PV Research Other Reliability & Engineering pages: Accelerated Testing & Analysis Systems Engineering Systems Integration Materials

  16. NREL's PV Incubator: Where Solar Photovoltaic Records Go to be...

    Office of Environmental Management (EM)

    Solar Junction, San Jose, California - Concentrated photovoltaic (CPV) manufacturer Solar Junction's multi-junction solar cell recently achieved an NREL-confirmed world record ...

  17. Solar Photovoltaic Technology Basics | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Administration Renewable & Alternative Fuels Glossary › FAQS › Overview Data Summary Biomass Geothermal Hydropower Solar Wind Alternative transportation fuels All renewable & alternative fuels data reports Analysis & Projections Major Topics Most popular Alternative Fuels Capacity and generation Consumption Environment Industry Characteristics Prices Production Projections Recurring Renewable energy type All reports Browse by Tag Alphabetical Frequency Tag Cloud ‹ See All

  18. Solar photovoltaics for development applications

    SciTech Connect

    Shepperd, L.W.; Richards, E.H.

    1993-08-01

    This document introduces photovoltaic technology to individuals and groups specializing in development activities. Examples of actual installations illustrate the many services supplied by photovoltaic systems in development applications, including water pumping, lighting, health care, refrigeration, communications, and a variety of productive uses. The various aspects of the technology are explored to help potential users evaluate whether photovoltaics can assist them in achieving their organizational goals. Basic system design, financing techniques, and the importance of infrastructure are included, along with additional sources of information and major US photovoltaic system suppliers.

  19. Agua Caliente, World's Largest Solar Photovoltaic Plant, Helps Advance

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    America's Solar Leadership | Department of Energy Agua Caliente, World's Largest Solar Photovoltaic Plant, Helps Advance America's Solar Leadership Agua Caliente, World's Largest Solar Photovoltaic Plant, Helps Advance America's Solar Leadership April 29, 2014 - 8:40am Addthis Agua Caliente, located in Yuma County, Arizona, is now the largest solar photovoltaic power plant in the world. | Photo courtesy of NRG Energy. Agua Caliente, located in Yuma County, Arizona, is now the largest solar

  20. Solar Photovoltaic Cell Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Cell Basics Solar Photovoltaic Cell Basics August 16, 2013 - 4:53pm Addthis When light shines on a photovoltaic (PV) cell, it may be reflected, absorbed, or pass right through it. The PV cell is composed of semiconductor material, which combines some properties of metals and some properties of insulators. That makes it uniquely capable of converting light into electricity. When light is absorbed by a semiconductor, photons of light can transfer their energy to electrons, allowing the electrons

  1. Linkages from DOE's Solar Photovoltaic R&D to Commercial Renewable...

    Energy Saver

    Solar Photovoltaic R&D to Commercial Renewable Power Generation from Solar Energy Linkages from DOE's Solar Photovoltaic R&D to Commercial Renewable Power Generation from Solar ...

  2. Photovoltaics: Solar Energy Technologies Program (SETP) (Fact Sheet)

    SciTech Connect

    Not Available

    2009-10-01

    Fact sheet summarizing the goals and activities of the DOE Solar Energy Technologies Program efforts within its photovoltaics subprogram.

  3. Renewable Energy Ready Home Solar Photovoltaic Specifications | Department

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of Energy Renewable Energy Ready Home Solar Photovoltaic Specifications Renewable Energy Ready Home Solar Photovoltaic Specifications Solar Photovoltaic Specification, Checklist and Guide, from the U.S. Environmental Protection Agency. rerh_solar_electric_guide.pdf (1.04 MB) More Documents & Publications Solar Water Heating: SPECIFICATION, CHECKLIST AND GUIDE DOE Zero Energy Ready Home PV-Ready Checklist DOE Zero Energy Ready Home Solar Hot Water-Ready Checklist

  4. Sustainable Energy Resources for Consumers (SERC) - Solar Photovoltaics |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy - Solar Photovoltaics Sustainable Energy Resources for Consumers (SERC) - Solar Photovoltaics This presentation, aimed at Sustainable Energy Resources for Consumers (SERC) grantees, provides information on Monitoring Checklists for the installation of Solar Photovoltaics. serc_webinar_20111020_solar_pv.pdf (2.21 MB) More Documents & Publications Sustainable Energy Resources for Consumers (SERC) - Solar Hot Water Recording of SERC Monitoring Technologies - Solar

  5. Roadmap to Guide U.S. Photovoltaics Industry in 21st Century

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Roadmap to Guide U.S. Photovoltaics Industry in 21st Century For more information contact: George Douglas, 303-275-4096 e:mail: George Douglas Golden, Colo., Jan. 20, 2000 - Americans want clean solar electricity. The U.S. photovoltaics industry wants them to have it. Solar-cell manufacturers and suppliers see photovoltaics (PV) producing at least 15 percent of the additional electrical power the United States will need in 2020. But how will the industry bring down costs, overcome market

  6. Photovoltaics

    SciTech Connect

    Solar Energy Technologies Program

    2010-09-28

    The fact sheet summarizes the goals and activities of the DOE Solar Energy Technologies Program efforts within its photovoltaics subprogram.

  7. Photovoltaics

    SciTech Connect

    Not Available

    2008-09-01

    Summarizes the goals and activities of the DOE Solar Energy Technologies Program efforts within its photovoltaics subprogram.

  8. Photovoltaics and Solar Energy: Science Projects in Renewable...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaics and Solar Energy (Two Activities) Grades: 5-8 Topic: Solar Authors: Derek Nalley and Scott Pinegar Owner: National Renewable Energy Laboratory This educational ...

  9. Valuation of Solar Photovoltaic Systems Using a Discounted Cash...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Valuation of Solar Photovoltaic Systems Using a Discounted Cash Flow Approach by Geoffrey T. Klise, Jamie L. Johnson, and Sandra K. Adomatis, SRA Solar energy systems include ...

  10. Industry Perspectives on Advanced Inverters for U.S. Solar Photovoltaic Systems. Grid Benefits, Deployment Challenges, and Emerging Solutions

    SciTech Connect

    Reiter, Emerson; Ardani, Kristen; Margolis, Robert; Edge, Ryan

    2015-09-01

    To clarify current utility strategies and other considerations related to advanced inverter deployment, we interviewed 20 representatives from 11 leading organizations closely involved with advanced inverter pilot testing, protocols, and implementation. Included were representatives from seven utilities, a regional transmission operator, an inverter manufacturer, a leading solar developer, and a consortium for grid codes and standards. Interview data represent geographically the advanced inverter activities identified in SEPA's prior survey results--most interviewed utilities serve California, Arizona, and Hawaii, though we also interviewed others from the Northeast, Mid-Atlantic, and Southeast.

  11. Cadmium Telluride Solar Cells | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Cadmium Telluride Solar Cells Photovoltaic (PV) solar cells based on cadmium telluride (CdTe) represent the largest segment of commercial thin-film module production worldwide. Recent improvements have matched the efficiency of multicrystalline silicon while maintaining cost leadership. The United States is the leader in CdTe PV manufacturing, and NREL has been at the forefront of research and development (R&D) in this area. PV Research Other Materials & Devices pages: High-Efficiency

  12. Solar Photovoltaic (PV) System Permit Application Checklist

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Permit Application Checklist is intended to be used as a best management practice when establishing local government requirements for residential and commercial solar photovoltaic (PV) system permits. Local governments may modify this checklist to accommodate their local ordinances, code requirements, and permit procedures.

  13. Opportunities for Minority Students in the Solar Industry | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Opportunities for Minority Students in the Solar Industry Opportunities for Minority Students in the Solar Industry November 20, 2012 - 9:00am Addthis The Long Island Solar Farm (LISF) -- currently the largest solar photovoltaic power plant in the Eastern United States -- generates enough renewable energy to power approximately 4,500 homes. LISF is located at Brookhaven National Laboratory. | Photo courtesy of Brookhaven National Laboratory. The Long Island Solar Farm (LISF) --

  14. Lessons Learned from the U.S. Photovoltaic Industry and Implications for Development of Distributed Small Wind: Preprint

    SciTech Connect

    Forsyth, T.; Tombari, C.; Nelson, M.

    2006-06-01

    Report examining market development issues in the solar photovoltaic (PV) industry, including Federal policy infrastructure and incentives, state and local policy infrastructure, and business support,as they relate to the small wind industry.

  15. Siting Solar Photovoltaics at Airports: Preprint

    SciTech Connect

    Kandt, A.; Romero, R.

    2014-06-01

    Airports present a significant opportunity for hosting solar technologies due to their open land; based on a 2010 Federal Aviation Administration study, the US Department of Agriculture, and the US Fish and Wildlife Service, there's potential for 116,704 MW of solar photovoltaics (PV) on idle lands at US airports. PV has a low profile and likely low to no impact on flight operations. This paper outlines guidance for implementing solar technologies at airports and airfields, focusing largely on the Federal Aviation Administration's policies. The paper also details best practices for siting solar at airports, provides information on the Solar Glare Hazard Analysis Tool, and highlights a case study example where solar has been installed at an airport.

  16. Powering New Markets: Utility-scale Photovoltaic Solar | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Powering New Markets: Utility-scale Photovoltaic Solar Powering New Markets: Utility-scale Photovoltaic Solar Powering New Markets: Utility-scale Photovoltaic Solar DOE_LPO_Utility-Scale_PV_Solar_Markets_February2015.pdf (464.52 KB) More Documents & Publications Financing Innovation to Address Global Climate Change POWERING NEW MARKETS: ENERGY STORAGE POISED FOR GROWTH LPO_BROCHURE_CSP LPO Loan Portfolio Financial Performance Report As of September 2014, more than $810 million of

  17. Improving Photovoltaic Technology to Lower Solar Costs | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Improving Photovoltaic Technology to Lower Solar Costs Improving Photovoltaic Technology to Lower Solar Costs Addthis Description Below is the text version for the "Improving Photovoltaic Technology to Lower Solar Costs" video. The video opens with the SunShot: U.S. Department of Energy logo. Text appears: The SunShot Initiative funds innovative research and development projects with the goal of making solar energy affordable and accessible to every American. Here is one

  18. Advancing Solar Through Photovoltaic Technology Innovations | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Solar Through Photovoltaic Technology Innovations Advancing Solar Through Photovoltaic Technology Innovations April 19, 2011 - 5:17pm Addthis At NREL's High-Intensity Pulse Solar Simulator, NREL's Keith Emery removes an array of multijunction solar cells produced by PV Incubator partner Solar Junction. The NREL instrument can produce the intensity of up to 90 suns. | Photo credit: Dennis Schroeder At NREL's High-Intensity Pulse Solar Simulator, NREL's Keith Emery removes an array of

  19. Solar Photovoltaic Cell/Module Shipments Report

    Energy Information Administration (EIA) (indexed site)

    Solar Photovoltaic Cell/Module Shipments Report September 2016 Independent Statistics & Analysis www.eia.gov U.S. Department of Energy Washington, DC 20585 U.S. Energy Information Administration | Improving the Quality and Scope of EIA Data i This report was prepared by the U.S. Energy Information Administration (EIA), the statistical and analytical agency within the U.S. Department of Energy. By law, EIA's data, analyses, and forecasts are independent of approval by any other officer or

  20. High-efficiency, monolithic, multi-bandgap, tandem photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Tidal Industrial Technologies Solar Photovoltaic Solar Thermal Startup America Vehicles ... High-efficiency, monolithic, multi-bandgap, tandem photovoltaic energy converters United ...

  1. Global Solar Photovoltaic (PV) Installation Market to be Propelled...

    OpenEI (Open Energy Information) [EERE & EIA]

    Global Solar Photovoltaic (PV) Installation Market to be Propelled by Greater Concerns over Carbon Footprint Home > Groups > Renewable Energy RFPs John55364's picture Submitted by...

  2. Solar Photovoltaic Cell/Module Shipments - Energy Information...

    Annual Energy Outlook

    Solar Photovoltaic CellModule Shipments Report With data for 2015 | Release Date: September 29, 2016 | Next Release Date: September 30, 2017 | full report Previous Issues year: ...

  3. Agua Caliente, World's Largest Solar Photovoltaic Plant, Helps...

    Energy.gov [DOE] (indexed site)

    Agua Caliente, located in Yuma County, Arizona, is now the largest solar photovoltaic power plant in the world. | Photo courtesy of NRG Energy. Agua Caliente, located in Yuma ...

  4. Leading By Example Solar Photovoltaic Canopy Grant Program

    Energy.gov [DOE]

    Massachusetts offers a state grant program for solar photovoltaic canopies installed at state facilities, including executive agencies, state institutions of higher education, and other quasi...

  5. High-Performance Home Technologies: Solar Thermal & Photovoltaic...

    Energy.gov [DOE] (indexed site)

    High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems (9.49 MB) More Documents & Publications Building America Whole-House Solutions for New Homes: John Wesley ...

  6. Concentrating Photovoltaics at the Solar Technology Acceleration Center

    Office of Energy Efficiency and Renewable Energy (EERE)

    This photograph shows concentrating photovoltaic (CPV) systems that use Fresnel lenses to concentrate sunlight onto solar cells. Researchers from the National Renewable Energy Laboratory and Japan...

  7. Investing in solar photovoltaics: a School district's story ...

    Office of Scientific and Technical Information (OSTI)

    Country of Publication: United States Language: English Subject: 29 ENERGY PLANNING, POLICY AND ECONOMY; 14 SOLAR ENERGY; PHOTOVOLTAIC POWER SUPPLIES; EDUCATIONAL FACILITIES; ...

  8. Energy Storage Requirements for Achieving 50% Solar Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Storage Requirements for Achieving 50% Solar Photovoltaic Energy Penetration in California Paul Denholm and Robert Margolis National Renewable Energy Laboratory Technical ...

  9. Photovoltaic

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Distributed Energy Technology Lab Microsystems and Engineering Sciences Applications National Solar Thermal Test Facility Nuclear Energy Systems LaboratoryBrayton Lab Photovoltaic ...

  10. Linkages for DOE's Solar Photovoltaic R&D to Commercial Renewable Power from Solar Energy

    Office of Energy Efficiency and Renewable Energy (EERE)

    The U.S. Department of Energy‘s (DOE) Solar Photovoltaic R&D Subprogram promotes the development of cost-effective systems for directly converting solar energy into electricity for residential, commercial, and industrial applications. This study was commissioned to assess the extent to which the knowledge outputs of R&D funded by the DOE Solar PV Subprogram are linked to downstream developments in commercial renewable power. A second purpose was to identify spillovers of the resulting knowledge to other areas of application. A third purpose was to lend support to a parallel benefit-cost study by contributing evidence of attribution of benefits to DOE.

  11. The Falling Price of Utility-Scale Solar Photovoltaic (PV) Projects...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    The Falling Price of Utility-Scale Solar Photovoltaic (PV) Projects The Falling Price of Utility-Scale Solar Photovoltaic (PV) Projects Data courtesy of National Renewable Energy ...

  12. The Falling Price of Utility-Scale Solar Photovoltaic (PV) Projects...

    Office of Environmental Management (EM)

    The Falling Price of Utility-Scale Solar Photovoltaic (PV) Projects The Falling Price of Utility-Scale Solar Photovoltaic (PV) Projects Data courtesy of National Renewable Energy...

  13. Solar industrial process heat

    SciTech Connect

    Lumsdaine, E.

    1981-04-01

    The aim of the assessment reported is to candidly examine the contribution that solar industrial process heat (SIPH) is realistically able to make in the near and long-term energy futures of the United States. The performance history of government and privately funded SIPH demonstration programs, 15 of which are briefly summarized, and the present status of SIPH technology are discussed. The technical and performance characteristics of solar industrial process heat plants and equipment are reviewed, as well as evaluating how the operating experience of over a dozen SIPH demonstration projects is influencing institutional acceptance and economoc projections. Implications for domestic energy policy and international implications are briefly discussed. (LEW)

  14. Solar photovoltaic applications seminar: design, installation and operation of small, stand-alone photovoltaic power systems

    SciTech Connect

    Not Available

    1980-07-01

    This seminar material was developed primarily to provide solar photovoltaic (PV) applied engineering technology to the Federal community. An introduction to photoconductivity, semiconductors, and solar photovoltaic cells is included along with a demonstration of specific applications and application identification. The seminar details general systems design and incorporates most known information from industry, academia, and Government concerning small solar cell power system design engineering, presented in a practical and applied manner. Solar PV power system applications involve classical direct electrical energy conversion and electric power system analysis and synthesis. Presentations and examples involve a variety of disciplines including structural analysis, electric power and load analysis, reliability, sizing and optimization; and, installation, operation and maintenance. Four specific system designs are demonstrated: water pumping, domestic uses, navigational and aircraft aids, and telecommunications. All of the applications discussed are for small power requirement (under 2 kilowatts), stand-alone systems to be used in remote locations. Also presented are practical lessons gained from currently installed and operating systems, problems at sites and their resolution, a logical progression through each major phase of system acquisition, as well as thorough design reviews for each application.

  15. ET Solar Group Formerly CNS Solar Industry | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Group Formerly CNS Solar Industry Jump to: navigation, search Name: ET Solar Group (Formerly CNS Solar Industry) Place: Nanjing, Jiangsu Province, China Zip: 210009 Sector:...

  16. Aditya Solar Power Industries | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Aditya Solar Power Industries Jump to: navigation, search Name: Aditya Solar Power Industries Place: India Sector: Solar Product: Bangalore-based solar project developer....

  17. Low cost and efficient photovoltaic conversion by nanocrystalline solar cells

    SciTech Connect

    Graetzel, M.

    1996-09-01

    Solar cells are expected to provide environmentally friendly solutions to the world`s energy supply problem. Learning from the concepts used by green plants we have developed a molecular photovoltaic device whose overall efficiency for AM 1.5 solar light to electricity has already attained 8-11%. The system is based on the sensitization of nanocrystalline oxide films by transition metal charge transfer sensitizers. In analogy to photosynthesis, the new chemical solar cell achieves the separation of the light absorption and charge carrier transport processes. Extraordinary yields for the conversion of incident photons into electric current are obtained, exceeding 90% for transition metal complexes within the wavelength range of their absorption band. The use of molten salt electrolytes together with coordination complexes of ruthenium as sensitizers and adequate sealing technology has endowed these cells with a remarkable stability making practical applications feasible. Seven industrial cooperations are presently involved in the development to bring these cells to the market. The first cells will be applied to supply electric power for consumer electronic devices. The launching of production of several products of this type is imminent and they should be on the market within the next two years. Quite aside from their intrinsic merits as photovoltaic device, the mesoscopic oxide semiconductor films developed in our laboratory offer attractive possibilities for a number of other applications. Thus, the first example of a nanocrystalline rocking chair battery will be demonstrated and its principle briefly discussed.

  18. Perovskite Solar Cells | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Cells Work on solar cells using perovskite material has advanced rapidly as a result of the material's excellent light absorption, charge-carrier mobilities, and lifetimes, resulting in high device efficiencies with significant opportunities to realize a low-cost, industry-scalable technology. This potential for low cost and scalability requires overcoming barriers related to stability and environmental compatibility. However, if these concerns are addressed, a perovskite-based technology

  19. Copper Indium Gallium Diselenide Solar Cells | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Cells The National Center for Photovoltaics (NCPV) at NREL has significant capabilities in copper indium gallium diselenide (CIGS) thin-film photovoltaic research and device development. CIGS-based thin-film solar cell modules represent the highest-efficiency alternative for large-scale, commercial thin-film solar cells. Record small-area single-junction efficiency now tops 22% and several companies have confirmed module efficiencies exceeding 16%. PV Research Other Materials & Devices

  20. Photovoltaics and Solar Energy (2 Activities) | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaics and Solar Energy (2 Activities) Photovoltaics and Solar Energy (2 Activities) Below is information about the student activity/lesson plan from your search. Grades 5-8 Subject Solar Summary This module addresses issues dealing with the energy from the sun, the energy needs of students in the classroom and, ultimately, our energy needs as a nation. Students will use a photovoltaic (PV) cell to measure the energy from the sun. Using a light bulb with a known wattage, the students will

  1. Insuring Solar Photovoltaics: Challenges and Possible Solutions; (Revised)

    SciTech Connect

    Speer, B.; Mendelsohn, M.; Cory, K.

    2010-02-01

    Insuring solar photovoltaic (PV) systems poses certain challenges. Insurance premiums, which can represent a significant part of overall costs for PV developers, can affect market competition. The market for certain types of insurance products is limited. Historical loss data is lacking, and test data for the long-term viability of PV products under real-life conditions is limited. Insurers' knowledge about PV systems and the PV industry is uneven even as the industry introduces innovative contractual structures and business models. Interviews conducted for this report with PV project developers, insurance brokers, and underwriters suggest government actions aimed at better testing, data collection, and communication could facilitate the development of a market for PV insurance products. This report identifies actions by governments, national laboratories, and other stakeholders that could accelerate the development of insurance products in support PV systems. Such actions include: increasing understanding of the solar PV industry among insurance professionals; expanding the availability of PV historical loss data; evaluating the expansion of renewable energy business classification; developing module and component testing capabilities and services offered by federal labs; and, advancing industry standards for PV system installers.

  2. California Solar Energy Industries Association | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Energy Industries Association Jump to: navigation, search Name: California Solar Energy Industries Association Place: Rio Vista, California Zip: 94571 Sector: Solar Product:...

  3. Two earth sheltered passive solar residences with photovoltaic electricity

    SciTech Connect

    Strong, S.J.; Osten, R.J. Jr.

    1980-01-01

    The design and construction of two earth sheltered passive solar residence with photovoltaic electricity are described. The sizing and design of the P.V. system as well as the module fabrication and array integration are also discussed.

  4. New Hampshire Electric Co-op- Solar Photovoltaic Incentive Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    New Hampshire Electric Co-op (NHEC) is offering rebates for residential and commercial/government grid-tied solar photovoltaic (PV) systems up to one megawatt (MW) in capacity. The rebate is equal...

  5. Concord Municipal Light Plant- Solar Photovoltaic Rebate Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    Concord Municipal Light Plant (CMLP) offers rebates to customers who install solar photovoltaic (PV) systems that are designed to offset the customer's electrical needs. Systems must be owned by...

  6. High-Performance Home Technologies: Solar Thermal & Photovoltaic...

    Energy Saver

    ... Average 15 Minute Interval Peak Demand ZEH vs. Non-ZEH July, ... Technologies: Solar Thermal & Photovoltaic ... The most basic part of many PV systems is the Cell. A cell ...

  7. High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems;

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Volume 6 Building America Best Practices Series | Department of Energy Home Technologies: Solar Thermal & Photovoltaic Systems; Volume 6 Building America Best Practices Series High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems; Volume 6 Building America Best Practices Series The sixth volume of the Building America Best Practices Series presents information that is useful throughout the United States for enhancing the energy efficiency practices in the specific

  8. Solar Photovoltaic Financing: Residential Sector Deployment | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Photovoltaic Financing: Residential Sector Deployment Solar Photovoltaic Financing: Residential Sector Deployment This report presents the information that homeowners and policy makers need to facilitate PV financing at the residential level. The full range of cash payments, bill savings, and tax incentives is covered, as well as potentially available solar attribute payments. Traditional financing is also compared to innovative solutions, many of which are borrowed from the

  9. Solar Energy-- Photovoltaic Design Assistance Center

    SciTech Connect

    1995-12-31

    This small booklet tells the profile, mission, operations, services, and data base of Sandia National Laboratories Photovoltaic Design Assistance Center

  10. Solar Photovoltaic System Design Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    System Design Basics Solar Photovoltaic System Design Basics August 20, 2013 - 4:00pm Addthis Solar photovoltaic modules are where the electricity gets generated, but are only one of the many parts in a complete photovoltaic (PV) system. In order for the generated electricity to be useful in a home or business, a number of other technologies must be in place. Mounting Structures PV arrays must be mounted on a stable, durable structure that can support the array and withstand wind, rain, hail,

  11. Facilities | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    the facilities below in their research and development to provide foundational support for the photovoltaic (PV) industry and PV users. Photo of the Solar Research Energy Facility. ...

  12. Concentrating Photovoltaics (Presentation)

    SciTech Connect

    Kurtz, S.

    2009-01-20

    Solar is growing rapidly, and the concentrating photovoltaics industry-both high- and low-concentration cell approaches-may be ready to ramp production in 2009.

  13. Photovoltaic Supply Chain and Cross-Cutting Technologies Round...

    Energy.gov [DOE] (indexed site)

    products or processes for the photovoltaic (PV) industry through the High Impact ... solar modules manufactured from second and third generation photovoltaic technologies. ...

  14. Photovoltaic (PV) Module Level Remote Safety Disconnect - Energy...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Find More Like This Return to Search Photovoltaic (PV) Module Level Remote Safety ... system Applications and Industries * Photovoltaic solar * Emergency response Technology ...

  15. Solar kinetics` photovoltaic concentrator module and tracker development

    SciTech Connect

    White, D.L.; Howell, B. [Solar Kinetics, Inc., Dallas, TX (United States)

    1995-11-01

    Solar Kinetics, Inc., has been developing a point-focus concentrating photovoltaic module and tracker system under contract to Sandia National Laboratories. The primary focus of the contract was to achieve a module design that was manufacturable and passed Sandia`s environmental testing. Nine modules of two variations were assembled, tested, and characterized in Phase 1, and results of these tests were promising, with module efficiency approaching the theoretical limit achievable with the components used. The module efficiency was 11.9% at a solar irradiance of 850 W/m{sup 2} and an extrapolated cell temperature of 25{degrees}C. Improvements in module performance are anticipated as cell efficiencies meet their expectations. A 2-kW tracker and controller accommodating 20 modules was designed, built, installed, and operated at Solar Kinetics` test site. The drive used many commercially available components in an innovative arrangement to reduce cost and increase reliability. Backlash and bearing play were controlled by use of preloaded, low slip-stick, synthetic slide bearings. The controller design used a standard industrial programmable logic controller to perform ephemeris calculations, operate the actuators, and monitor encoders.

  16. Modular assembly of a photovoltaic solar energy receiver

    DOEpatents

    Graven, Robert M.; Gorski, Anthony J.; Schertz, William W.; Graae, Johan E. A.

    1978-01-01

    There is provided a modular assembly of a solar energy concentrator having a photovoltaic energy receiver with passive cooling. Solar cell means are fixedly coupled to a radiant energy concentrator. Tension means bias a large area heat sink against the cell thereby allowing the cell to expand or contract with respect to the heat sink due to differential heat expansion.

  17. NREL: Photovoltaics Research - Solar PV Recycling Identified...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    The report, co-authored by NREL, the International Renewable Energy Agency (IRENA) and the International Energy Agency's Photovoltaic Power Systems Programme (IEA-PVPS), is the ...

  18. Performance and reliability of the solar progress photovoltaic plant

    SciTech Connect

    Atmaram, G.H. )

    1991-01-01

    This annual report provides the comprehensive description and results of the performance monitoring and diagnostic activities conducted on the Solar Progress Photovoltaic System during the 16-month September 1988 to December 1989. Solar Progress is a nominal 15 kWp grid-connected photovoltaic system. The photovoltaic array utilizes thin-film amorphous silicon modules. The system was installed in August 1988 at one of Florida Power Corporation's substations near Orlando, Florida. The Solar Progress System is owned and operated by the Florida Power Corporation (FPC). The system's performance has been monitored and periodic diagnostic tests to evaluate subsystem reliability have been conducted by the Florida Solar Energy Center (FSEC). During the 16-month period, the power output of the photovoltaic array degraded by 24 percent and the array peak power efficiency was 4.1 percent as of December 1989, Relatively high leakage currents of the photovoltaic array have been detected. A significant corrosion on some of the photovoltaic modules has also been observed. 6 refs., 20 figs., 7 tabs.

  19. Multiband semiconductor compositions for photovoltaic devices...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Solar Photovoltaic Solar Thermal Startup America Vehicles and Fuels Wind Energy Partners (27) Visual...

  20. Passive Solar Industries Council | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Passive Solar Industries Council Jump to: navigation, search Name: Passive Solar Industries Council Place: Ashland, OR Information About Partnership with NREL Partnership with NREL...

  1. Solar Energy Industries Association | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Energy Industries Association Name: Solar Energy Industries Association Address: 575 7th Street NW 400 Place: Washington, DC Zip: 20004 Number of Employees: 11-50 Year...

  2. Laminated photovoltaic modules using back-contact solar cells

    DOEpatents

    Gee, James M.; Garrett, Stephen E.; Morgan, William P.; Worobey, Walter

    1999-09-14

    Photovoltaic modules which comprise back-contact solar cells, such as back-contact crystalline silicon solar cells, positioned atop electrically conductive circuit elements affixed to a planar support so that a circuit capable of generating electric power is created. The modules are encapsulated using encapsulant materials such as EVA which are commonly used in photovoltaic module manufacture. The module designs allow multiple cells to be electrically connected in a single encapsulation step rather than by sequential soldering which characterizes the currently used commercial practices.

  3. NREL: Photovoltaics Research - Potential of Perovskite Solar...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Potential of Perovskite Solar Cells Featured in Solar Today February 11, 2016 Familiar with perovskite solar cells? If not, you'll probably hear more about them soon. Perovskites ...

  4. Solar Photovoltaic Financing: Residential Sector Deployment

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... Background and Challenges ......43 9.4.2 SolarCity's Community Solar Discount Program ... a number of near-term barriers need to be addressed to ...

  5. Distributed Solar Photovoltaics for Electric Vehicle Charging...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    an opportunity for market expansion of distributed solar technology. A major barrier to the current deployment of solar technology for EV charging is a lack of clear ...

  6. Chapter 1.03: Solar Photovoltaics Technology: No Longer an Outlier

    SciTech Connect

    Kazmerski, L. L.

    2012-01-01

    The status and future technology, market, and industry opportunities for solar photovoltaics are examined and discussed. The co-importance of both policy and technology investments for the future markets and competitiveness of this solar approach is emphasized. This paper underscores the technology side, with a comprehensive overview and insights to technical, policy, market, industry and other investments needed to tip photovoltaics to its next level of contribution as a significant clean-energy partner in the world energy economy. The requirement to venture from near-term and evolutionary approaches into disruptive and revolutionary technology pathways is argued for our needs in the mid-term (the next 10-15 years) and the long-term (beyond the first quarter of this century).

  7. Nanoscience and Nanostructures for Photovoltaics and Solar Fuels

    SciTech Connect

    Nozik, Arthur J.

    2010-07-02

    Quantum confinement of electronic particles (negative electrons and positive holes) in nanocrystals produces unique optical and electronic properties that have the potential to enhance the power conversion efficiency of solar cells for photovoltaic and solar fuels production at lower cost. These approaches and applications are labeled third generation solar photon conversion. Prominent among these unique properties is the efficient formation of more than one electron-hole pair (called excitons in nanocrystals) from a single absorbed photon. In isolated nanocrystals that have three-dimensional confinement of charge carriers (quantum dots) or two-dimensional confinement (quantum wires and rods) this process is termed multiple exciton generation. This Perspective presents a summary of our present understanding of the science of optoelectronic properties of nanocrystals and a prognosis for and review of the technological status of nanocrystals and nanostructures for third generation photovoltaic cells and solar fuels production.

  8. Sustainable Energy Resources for Consumers (SERC) - Solar Photovoltaics

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Sustainable Energy Resources for Consumers (SERC) - Solar Photovoltaics Presenter: Peter McNutt, NREL Engineer October 20, 2011 Innovation for Our Energy Future Purpose NREL PIX 15620 Assist SERC grantees and DOE project officers in monitoring SERC technologies. This webinar will guide viewers through the technology monitoring checklist developed for completed SERC solar PV installations. The webinar is intended to inform SERC grantees and project officers how to identify proper quality,

  9. Accomplishments in Photovoltaic Manufacturing R&D | Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Accomplishments in Photovoltaic Manufacturing R&D Successful efforts within the PV Manufacturing R&D Project were recognized by the solar industry. Key highlights from the project ...

  10. High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems

    SciTech Connect

    Baechler, M.; Gilbride, T.; Ruiz, K.; Steward, H.; Love, P.

    2007-06-01

    This document is the sixth volume of the Building America Best Practices Series. It presents information that is useful throughout the United States for enhancing the energy efficiency practices in the specific climate zones that are presented in the first five Best Practices volumes. It provides an introduction to current photovoltaic and solar thermal building practices. Information about window selection and shading is included.

  11. New proposal for photovoltaic-thermal solar energy utilization method

    SciTech Connect

    Takashima, Takumi; Tanaka, Tadayoshi; Doi, Takuya ); Kamoshida, Junji ); Tani, Tatsuo ); Horigome, Takashi )

    1994-03-01

    One of the most effective methods of utilizing solar energy is to use the sunlight and solar thermal energy such as a photovoltaic-thermal panel (PV/T panel) simultaneously. From such a viewpoint, systems using various kinds of PV panels were constructed in the world. In these panels, solar cells are set up at an absorber collecting solar thermal energy. Therefore, temperature of solar cell increases up to the prescribed temperature of thermal energy use, although it is lower than the cell temperature when using only solar cell panel. For maintaining cell conversion efficiency at the standard conditions, it is necessary to keep the cell at lower temperature. In this paper, electric and thermal energy obtained form a PV/T panel is evaluated in terms of energy. BAsed on this evaluation, the method of not to decrease cell conversion efficiency with collecting solar thermal energy was proposed.

  12. NREL to Host Photovoltaics Presentation at 2014 Solar Day - News Releases |

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    NREL to Host Photovoltaics Presentation at 2014 Solar Day June 3, 2014 The Energy Department's National Renewable Energy Laboratory will host several events at the 2014 Denver Solar Day on Sunday, June 8. The free expo is expected to attract more than 2,000 photovoltaics (PV) installers, PV buyers, students, utility officials and members of the public. NREL, a global leader in solar photovoltaic research, also takes a leading role in educating the public about renewable energy. Solar Day

  13. Pueblo of Jemez - Concentrating Photovoltaics Solar Project

    Office of Environmental Management (EM)

    of solar power using Emcore concentrating PV and Sharp single axis flat plate PV. * Feed ... The Good: * 2 powerlines to choose from for interconnection * Ready and willing power ...

  14. Solar Leasing for Residential Photovoltaic Systems

    Energy.gov [DOE]

    This publication examines the solar lease option for residential PV systems and describes two solar lease programs already in place. As a result of the $2,000 cap on the residential ITC being lifted in 2009, the expansion of the solar lease model across the United States may be slower than anticipated. The lease model, though, still offers homeowners some distinct advantages. This publication helps homeowners revisit the comparison between the solar lease and home-equity financing in light of the change to the ITC.

  15. Industrial Solar Technology Corp | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Technology Corp Jump to: navigation, search Name: Industrial Solar Technology Corp Place: Golden, Colorado Zip: CO 80403-1 Product: IST designs, manufactures, installs and...

  16. Solar Energy Education. Industrial arts: student activities....

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Citation Details In-Document Search Title: Solar Energy Education. Industrial arts: ... to introduce students to information on solar energy through classroom instruction. ...

  17. Progress in thin film solar photovoltaic technologies

    SciTech Connect

    Ullal, H.S.; Zweibel, K.; Mitchell, R.L. )

    1991-01-01

    This paper focuses on the rapid recent advances made by thin film solar cell technologies, namely, amorphous silicon, copper indium diselenide, and cadmium telluride. It also indicates the several advantages of thin films. Various consumer products and power applications using thin film solar cells are also discussed. The increasing interest among the utilities for PV system applications is also elucidated.

  18. Concentrating Solar Power Forum Concentrating Photovoltaics (Presentation)

    SciTech Connect

    Kurtz, S.

    2008-05-06

    This presentation's summaries: a convenient truth, comparison of three concentrator technologies, value of high efficiency, and status of industry.

  19. Solar Energy Research Facility | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Jobs Outpace U.S. Economy Solar Energy Jobs Outpace U.S. Economy January 12, 2016 - 9:03pm Addthis American solar power continued its rapid growth in 2015, adding new jobs 12 times faster than the rest of the economy, while saving customers tens of millions of dollars per year on energy bills. | Photo courtesy of O2emc. American solar power continued its rapid growth in 2015, adding new jobs 12 times faster than the rest of the economy, while saving customers tens of millions of dollars

  20. The Silicon Solar Cell Turns 50

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Daryl Chapin, Calvin Fuller, and Gerald Pearson likely never imagined inventing a solar cell that would revolutionize the photovoltaics industry. There wasn't even a photovoltaics ...

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

    DOE Data Explorer

    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)

  2. Lightweight 'solar cloth' photovoltaics have flexible future...

    OpenEI (Open Energy Information) [EERE & EIA]

    content Printed decorative solar panels could become part of our homes and offices Hello, I provide user supp... The top one on this page: htt... Can you send the specific...

  3. Thin-Film Photovoltaics on Solar House

    Office of Energy Efficiency and Renewable Energy (EERE)

    In this photograph, people are reflected on Team Germany's window louvers with integrated thin-film copper indium gallium selenide (CIGS) cells during the U.S. Department of Energy Solar Decathlon...

  4. Progress in thin film solar photovoltaic technologies

    SciTech Connect

    Ullal, H.S.; Zweibel, K.

    1989-12-01

    This paper focuses on the rapid recent advances made by thin film solar cell technologies, namely, amorphous silicon, copper indium diselenide, and cadmium telluride. It also indicates the several advantages of thin films. Various consumer products and power applications using thin film solar cells are also discussed. The increasing interest among the utilities for PV system applications is also elucidated. 29 refs., 8 figs., 3 tabs.

  5. Quantifying Solar Cell Cracks in Photovoltaic Modules by Electroluminescence Imaging

    SciTech Connect

    Spataru, Sergiu; Hacke, Peter; Sera, Dezso; Glick, Stephen; Kerekes, Tamas; Teodorescu, Remus

    2015-06-14

    This article proposes a method for quantifying the percentage of partially and totally disconnected solar cell cracks by analyzing electroluminescence images of the photovoltaic module taken under high- and low-current forward bias. The method is based on the analysis of the module's electroluminescence intensity distribution, applied at module and cell level. These concepts are demonstrated on a crystalline silicon photovoltaic module that was subjected to several rounds of mechanical loading and humidity-freeze cycling, causing increasing levels of solar cell cracks. The proposed method can be used as a diagnostic tool to rate cell damage or quality of modules after transportation. Moreover, the method can be automated and used in quality control for module manufacturers, installers, or as a diagnostic tool by plant operators and diagnostic service providers.

  6. Forest County Potawatomi Community: Installation of Solar Photovoltaic Systems

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Forest County Potawatomi Community Installation of Solar Photovoltaic Systems Presented by: Nathan Karman Legal Department Forest County Potawatomi Community March 27, 2014 "Let us share our natural resources for the good of our People. Let us work for clean air and water and pray for the courage to stand up to those who would abuse our Mother Earth. So be it." - Bemwetek (Elder James Thunder) Excerpt from 2007 Class I Air Redesignation Public Hearing Prayer Community's Commitment to

  7. Optimization in solar heating/photovoltaic systems. Master's thesis

    SciTech Connect

    Vourazelis, D.G.

    1990-12-01

    This thesis is a design of an alternative system which may provide heating to the Naval Postgraduate School swimming pool. Particularly, it is a solar heating/photovoltaic system designed for a better efficiency and less cost of installation and maintenance. Principles of heat transfer, control and fluid dynamics theory are used for the determination of this heating system elements. The feasibility of its installation and use is analyzed.

  8. Quarterly Solar Industry Update | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Quarterly Solar Industry Update Quarterly Solar Industry Update Each quarter, the National Renewable Energy Laboratory (NREL) conducts a presentation of technical trends within the solar industry, which became publicly available in October 2016. Each presentation focuses on global and U.S. supply and demand, module and system price, investment trends and business models, and updates on U.S. government programs supporting the solar industry. Presentations are available for download in PDF format

  9. Periodically multilayered planar optical concentrator for photovoltaic solar cells

    SciTech Connect

    Solano, Manuel E.; Monk, Peter B.; Faryad, Muhammad; Lakhtakia, Akhlesh; Mallouk, Thomas E.

    2013-11-04

    A planar optical concentrator comprising a periodic multilayered isotropic dielectric material backed by a metallic surface-relief grating was theoretically examined for silicon photovoltaics. The concentrator was optimized using a differential evolution algorithm for solar-spectrum-integrated power-flux density. Further optimization was carried out for tolerance to variations in the incidence angle, spatial dimensions, and dielectric properties. The average electron-hole pair density in a silicon solar cell can be doubled, and the material costs substantially diminished by this concentrator, whose efficacy is due to the excitation of waveguide modes and multiple surface-plasmon-polariton waves in a broad spectral regime.

  10. Photovoltaics

    SciTech Connect

    Ebisch, R.

    1981-07-01

    Applications of photovoltaics to non-residential buildings are discussed. Most of the projects underway represent a joint effort by DOE and fifteen manufacturing companies now offering or developing photovoltaics. The systems are either flat-plate arrays, in which the sunlight is received directly on the photocells, or concentrating systems, in which the sunlight is focused on the photocells by mirrors or lenses. The DOE price goal for 1986 is to have photovoltaic systems capable of supplying shopping centers, apartment complexes, and industries with modules costing 70 cents/W and systems costing $1.60 to $2.60/W with the price of power to the user at 7 cents to 11 cents/kWh. New technologies discussed include the use of silicon with no crystal structure and the use of ribbons of silicon. (MJF)

  11. Combined solar tracking reflector and photovoltaic panel

    SciTech Connect

    Dominguez, R.L.

    1986-11-04

    This patent describes a solar lighting reflector apparatus for illuminating the interior of a roofed building during daylight hours and adapted to track daily movements of the sun. The solar lighting reflector apparatus is further adapted to generate electrical power, the roofed building having a light transmissive opening in the roof therein. The apparatus comprises: (a) a lower frame member having a central opening substantially commensurate in size with the light transmissive opening, the lower frame member having opposing front and rear portions; (b) support means coupled to the roof of the building for supporting the lower frame member above the light transmissive opening in a generally horizontal position. The support means permits the lower frame member to rotate in a substantially horizontal plane; (c) a reflective surface for reflecting solar light through the light transmissive opening; and (d) an upper frame member for supporting the reflective surface, the upper frame member having opposing front and rear portions. The rear portion of the upper frame member is pivotally coupled to the rear portion of the lower frame member between a substantially horizontal closed position wherein the reflective surface overlies and shades the light transmissive opening and an upwardly extending opened position wherein the reflective surface reflects solar light through the light transmissive opening.

  12. Japan's Solar Photovoltaic (PV) Market: An Analysis of Residential System Prices (Presentation)

    SciTech Connect

    James, Ted; Feldman, David; Margolis, Robert

    2014-03-01

    This presentation summarizes market and policy factors influencing residential solar photovoltaic system prices in Japan, and compares these factors to related developments in the United States.

  13. Photovoltaic

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Systems LaboratoryBrayton Lab Photovoltaic Systems Evaluation Laboratory PV ... Twitter Google + Vimeo Newsletter Signup SlideShare Photovoltaic HomePhotovoltaic ...

  14. Thermoelectrics and Photovoltaics - Center for Solar and Thermal Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Conversion Thermoelectrics and Photovoltaics Thermoelectrics A significant amount of heat is wasted from industrial processes, home heating and vehicle exhausts that could otherwise be converted to electricity through the use of thermoelectric devices. The interconversion between heat and electricity, through the use of thermoelectrics, is environmentally friendly and highly reliable. With improved efficiency, thermoelectrics could have a significant impact on the energy consumption

  15. Photovoltaics | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Photovoltaics (Redirected from Solar Photovoltaics) Jump to: navigation, search (The following text is derived from NREL's description of photovoltaic technology.)1 Photovoltaic...

  16. First Solar Manufacturing Solar Modules

    Energy.gov [DOE]

    In this photograph, a First Solar associate handles photovoltaic materials at the company's Ohio manufacturing plant. First Solar is an industry partner with the U.S. Department of Energy Solar...

  17. Solar Photovoltaic Financing: Residential Sector Deployment

    SciTech Connect

    Coughlin, J.; Cory, K.

    2009-03-01

    This report presents the information that homeowners and policy makers need to facilitate PV financing at the residential level. The full range of cash payments, bill savings, and tax incentives is covered, as well as potentially available solar attribute payments. Traditional financing is also compared to innovative solutions, many of which are borrowed from the commercial sector. Together, these mechanisms are critical for making the economic case for a residential PV installation, given its high upfront costs. Unfortunately, these programs are presently limited to select locations around the country. By calling attention to these innovative initiatives, this report aims to help policy makers consider greater adoption of these models to benefit homeowners interested installing a residential PV system.

  18. TVA - Solar Solutions Initiative | Department of Energy

    Energy.gov [DOE] (indexed site)

    < Back Eligibility Commercial Industrial Local Government Nonprofit Schools Retail Supplier Agricultural Savings Category Solar Photovoltaics Program Info Sector Name Utility...

  19. U.S. Solar Photovoltaic System Cost Benchmark: Q1 2016, NREL...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    U.S. Solar Photovoltaic System Cost Benchmark: Q1 2016 Ran Fu, CFA Donald Chung Travis ... year, our report benchmarks costs of U.S. solar PV for residential, commercial, and ...

  20. Photovoltaic technology assessment

    SciTech Connect

    Backus, C.E.

    1981-01-01

    After a brief review of the history of photovoltaic devices and a discussion of the cost goals set for photovoltaic modules, the status of photovoltaic technology is assessed. Included are discussions of: current applications, present industrial production, low-cost silicon production techniques, energy payback periods for solar cells, advanced materials research and development, concentrator systems, balance-of-system components. Also discussed are some nontechnical aspects, including foreign markets, US government program approach, and industry attitudes and approaches. (LEW)

  1. Forest County Potawatomi Community Installation of Solar Photovoltaic Systems

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Installation of Solar Photovoltaic Systems Presented by: Tansey Smith Sustainability Coordinator Land and Natural Resources May 7, 2015 The People The Potawatomi were once a part of a historical confederacy made up of the Ojibwa, Odawa and Potawatomi Nations known as the Council of the Three Fires. The Ojibwa were addressed as the "Older Brother" as such were also the "Keeper of the Faith". The Odawa were referred to as the "Middle Brother" and were the

  2. TrendSetter Solar Products Inc aka Trendsetter Industries formerly...

    OpenEI (Open Energy Information) [EERE & EIA]

    TrendSetter Solar Products Inc aka Trendsetter Industries formerly Six River Solar Jump to: navigation, search Name: TrendSetter Solar Products Inc (aka Trendsetter Industries,...

  3. NREL: Photovoltaics Research - Company Partners in Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Company Partners in Photovoltaic Manufacturing R&D More than 40 private-sector companies ... First Solar Glasstech Solar Global Photovoltaic Specialists Global Solar Energy Golden ...

  4. Spectral and temperature correction of silicon photovoltaic solar radiation detectors

    SciTech Connect

    Michalsky, J.J.; Perez, R.; Harrison, L. ); LeBaron, B.A. )

    1991-01-01

    Silicon photovoltaic sensors are an inexpensive alternative to standard thermopile sensors for the measurement of solar radiation. However, their temperature and spectral response render them less accurate for global horizontal irradiance and unsuitable for direct beam and diffuse horizontal irradiance unless they can be reliably corrected. A correction procedure for the rotating shadowband radiometer, which measures all three components, based on a three-way parameterization of the solar position and sky conditions is proposed. After correction, root-mean-square errors for the global and diffuse horizontal irradiance and the direct normal irradiance are about 10, 12, and 13 W/m{sup 2} in comparison with coincident, 5-minute thermopile measurements. While the numerical results are specific to the rotating shadowband instrument, the correction algorithm should apply universally.

  5. Colorado Solar Energy Industries Association | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Industries Association Jump to: navigation, search Logo: Colorado Solar Energy Industries Association Name: Colorado Solar Energy Industries Association Address: 841 Front St....

  6. Solar Night Industries Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    St Louis, Missouri Zip: 63147 Product: Manufacturer and distributor of products which store energy by day and release it by night. References: Solar Night Industries Inc1 This...

  7. Solar Power Industries SPI | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Pennsylvania Zip: 15012 Product: US-based manufacturer of mono and multicrystalline PV cells, modules and systems. References: Solar Power Industries (SPI)1 This article is a...

  8. Industrial Technologies Available for Licensing - Energy Innovation...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Storage Geothermal Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Marketing Summaries (359) Solar Photovoltaic Solar Thermal Startup America Vehicles ...

  9. Solar Industry Scorches Records | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Industry Scorches Records Solar Industry Scorches Records March 6, 2014 - 5:24pm Addthis Workers install a solar energy system on the rooftop of a home in Golden, Colorado. More than 4,751 megawatts of solar power was installed in the United States last year, an increase of 41%. | Photo by Dennis Schroeder, National Renewable Energy Laboratory Workers install a solar energy system on the rooftop of a home in Golden, Colorado. More than 4,751 megawatts of solar power was installed in the United

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

    SciTech Connect

    Bower, W.; Wiles, J.

    1999-01-12

    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.

  11. Magnetic Studies of Photovoltaic Processes in Organic Solar Cells

    SciTech Connect

    Zang, Huidong; Ivanov, Ilia N; Hu, Bin

    2010-01-01

    In this paper, we use magnetic field effects of photocurrent (MFEPC ) to study the photovoltaic processes in pristine conjugated polymer, bulk heterojunction, and double-layer solar cells, respectively, based on poly(3-alkylthiophene) (P3HT). The MFEPC reveals that the photocurrent generation undergoes the dissociation in polaron pair states and the charge reaction in excitonic states in pristine conjugated polymers. As for the bulk-heterojunction solar cells consisting of electron donor P3HT and electron acceptor [6,6]-phenyl C61-butyric acid methyl ester (PCBM), the MFEPC indicates that the dissociated electrons and holes inevitably form the intermolecular charge-transfer (CT) complexes at donor and acceptor interfaces. Essentially, the photocurrent generation relies on the further dissociation of intermolecular CT complexes. Moreover, we use double-layer solar cell to further study the intermolecular CT complexes with well-controlled donor acceptor interfaces based on double-layer P3HT/TiOx design. We find that the increase in free energies can significantly reduce the density of CT complexes upon thermal annealing.

  12. Generic solar photovoltaic system dynamic simulation model specification.

    SciTech Connect

    Ellis, Abraham; Behnke, Michael Robert; Elliott, Ryan Thomas

    2013-10-01

    This document is intended to serve as a specification for generic solar photovoltaic (PV) system positive-sequence dynamic models to be implemented by software developers and approved by the WECC MVWG for use in bulk system dynamic simulations in accordance with NERC MOD standards. Two specific dynamic models are included in the scope of this document. The first, a Central Station PV System model, is intended to capture the most important dynamic characteristics of large scale (> 10 MW) PV systems with a central Point of Interconnection (POI) at the transmission level. The second, a Distributed PV System model, is intended to represent an aggregation of smaller, distribution-connected systems that comprise a portion of a composite load that might be modeled at a transmission load bus.

  13. Solar Energy LLC Industrial Investors Group | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    LLC Industrial Investors Group Jump to: navigation, search Name: Solar Energy LLC - Industrial Investors Group Place: Moscow, Russian Federation Zip: 119017 Sector: Solar Product:...

  14. Arizona Solar Energy Industries Association | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Arizona Solar Energy Industries Association Name: Arizona Solar Energy Industries Association Place: Arizona Website: www.arizonasolarindustry.org Coordinates: 34.0489281,...

  15. Potential for Solar Industrial Process Heat in the United States...

    Office of Scientific and Technical Information (OSTI)

    Conference: Potential for Solar Industrial Process Heat in the United States: A Look at California Citation Details In-Document Search Title: Potential for Solar Industrial Process ...

  16. Shenzhen Sumoncle Solar Energy Industrial Co Ltd | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Sumoncle Solar Energy Industrial Co Ltd Jump to: navigation, search Name: Shenzhen Sumoncle Solar Energy Industrial Co Ltd Place: Shenzhen, Guangdong Province, China Zip: 518040...

  17. US Solar Energy Industries Association SEIA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Energy Industries Association SEIA Jump to: navigation, search Name: US Solar Energy Industries Association (SEIA) Place: Washington, Washington, DC Zip: 20005 Sector: Solar...

  18. New York Solar Energy Industries Association | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    New York Solar Energy Industries Association Name: New York Solar Energy Industries Association Address: 533 Woodford Avenue Place: Endicott, New York Zip: 13760 Region: Northeast...

  19. Maryland DC Virginia Solar Energy Industries Association MDV...

    OpenEI (Open Energy Information) [EERE & EIA]

    DC Virginia Solar Energy Industries Association MDV SEIA Jump to: navigation, search Name: Maryland-DC-Virginia Solar Energy Industries Association (MDV-SEIA) Place: Bethesda,...

  20. Shenzhen Heng Yang Solar Industrial Co Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Industrial Co Ltd Jump to: navigation, search Name: Shenzhen Heng Yang Solar Industrial Co Ltd Place: Shenzhen, Guangdong Province, China Zip: 518081 Product: Imported...

  1. Commercial & Industrial Solar Rebate Program

    Energy.gov [DOE]

    The New Hampshire Public Utilities Commission initiated a new solar rebate program for non-residential applicants in November 2010. Funded by alternative compliance payments under the state's...

  2. Photovoltaics | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    to: navigation, search (The following text is derived from NREL's description of photovoltaic technology.)1 Photovoltaic Panels Solar cells, also called photovoltaic (PV)...

  3. Photovoltaics | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Photovoltaics Jump to: navigation, search (The following text is derived from NREL's description of photovoltaic technology.)1 Photovoltaic Panels Solar cells, also called...

  4. Photovoltaic industry process from 1980 to mid 1986

    SciTech Connect

    Watts, R.L.; Smith, S.A.

    1986-08-01

    The objective of this report is to describe PV insustry developments in 1985 and present forecasts for 1986. Information is presented on a regional basis (United States, Europe, Japan, other) to avoid disclosing company confidential data. Information was gleaned from several sources, including a review of technical literature and direct contacts with many PV manufacturers. prior to publishing the regional totals, all numbers were compared with those from other sources published in the United States and those supplied by Japanese industry through their solar energy organization.

  5. Photovoltaic Installation Data from the Open PV Project: Real-time Status of the Solar Photovoltaic Market in the U.S.

    DOE Data Explorer

    The Open PV Project is a collaborative effort between government, industry, and the public that is compiling a comprehensive database of photovoltaic (PV) installation data for the United States. Data for the project are voluntarily contributed from a variety of sources including utilities, installers, and the general public. The data collected is actively maintained by the contributors and are always changing to provide an evolving, up-to-date snapshot of the US solar power market. The database allows searching by state or zipcode, size or date ranges, and organization name. The results include the cost of each solar install and an average of cost per power watt in that specific state. The Open PV Visualization Gallery features four interactive data maps that instantly reconfigure to display updated information as soon as an individual or organization uploads new data.

  6. Solar synthesis of advanced materials: A solar industrial program initiative

    SciTech Connect

    Lewandowski, A.

    1992-06-01

    This is an initiative for accelerating the use of solar energy in the advanced materials manufacturing industry in the United States. The initiative will be based on government-industry collaborations that will develop the technology and help US industry compete in the rapidly expanding global advanced materials marketplace. Breakthroughs in solar technology over the last 5 years have created exceptional new tools for developing advanced materials. Concentrated sunlight from solar furnaces can produce intensities that approach those on the surface of the sun and can generate temperatures well over 2000{degrees}C. Very thin layers of illuminated surfaces can be driven to remarkably high temperatures in a fraction of a second. Concentrated solar energy can be delivered over large areas, allowing for rapid processing and high production rates. By using this technology, researchers are transforming low-cost raw materials into high-performance products. Solar synthesis of advanced materials uses bulk materials and energy more efficiently, lowers processing costs, and reduces the need for strategic materials -- all with a technology that does not harm the environment. The Solar Industrial Program has built a unique, world class solar furnace at NREL to help meet the growing need for applied research in advanced materials. Many new advanced materials processes have been successfully demonstrated in this facility, including the following: Metalorganic deposition, ceramic powders, diamond-like carbon materials, rapid heat treating, and cladding (hard coating).

  7. CNEEC - Photovoltaics Tutorial by Prof. Clemens

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Photovoltaics

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

    Energy.gov [DOE] (indexed site)

    Summary Oncor Electric Delivery offers rebates to its customers that install photovoltaic (PV) systems on homes or other buildings.* Oncor customers of all rate classes...

  9. Solar Junction Develops World Record Setting Concentrated Photovoltaic...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    the company's concentrated photovoltaic technology that also set a world record for conversion efficiency. The company's cell technology relies on inexpensive lenses to magnify...

  10. EH AND S ANALYSIS OF DYE-SENSITIZED PHOTOVOLTAIC SOLAR CELL PRODUCTION.

    SciTech Connect

    BOWERMAN,B.; FTHENAKIS,V.

    2001-10-01

    Photovoltaic solar cells based on a dye-sensitized nanocrystalline titanium dioxide photoelectrode have been researched and reported since the early 1990's. Commercial production of dye-sensitized photovoltaic solar cells has recently been reported in Australia. In this report, current manufacturing methods are described, and estimates are made of annual chemical use and emissions during production. Environmental, health and safety considerations for handling these materials are discussed. This preliminary EH and S evaluation of dye-sensitized titanium dioxide solar cells indicates that some precautions will be necessary to mitigate hazards that could result in worker exposure. Additional information required for a more complete assessment is identified.

  11. NREL Report Shows U.S. Solar Photovoltaic Costs Continuing to Fall in 2016

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    - News Releases | NREL NREL Report Shows U.S. Solar Photovoltaic Costs Continuing to Fall in 2016 September 28, 2016 chart of solar pv costs from q4 2009 to q1 2016 NREL U.S. PV system cost benchmarks, from the fourth quarter of 2009 to the first quarter of 2016 The modeled costs to install solar photovoltaic (PV) systems continued to decline in the first quarter of 2016 in the U.S. residential, commercial, and utility-scale sectors, according to updated benchmarks from the Energy

  12. Sandia Photovoltaics Program

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaics Program Managers Charlie Hanley and Jeff Nelson Solar Program Mission * Work with Solar industry to develop new integrated components and systems - World Class measurements and characterization capabilities and facilities - Enhanced understanding of performance & reliability - Improved, integrated overall systems - Increased manufacturing yield and throughput * Develop innovative technology solutions by partnering with internal and external R&D groups * Perform

  13. Photovoltaics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaics Photovoltaics The SunShot Initiative supports the research and development of photovoltaic (PV) technologies to improve efficiency and reliability and to lower manufacturing costs in order to make solar electricity cost-competitive with other sources of energy by 2020. As of November 2015, four years into the decade-long SunShot Initiative, the solar industry is about 70% of the way to achieving SunShot's cost target of $0.06 per kilowatt-hour for utility-scale PV (based on 2010

  14. Solar Leasing for Residential Photovoltaic Systems (Fact Sheet)

    SciTech Connect

    Not Available

    2009-02-01

    This publication examines the solar lease option for residential PV systems and describes two solar lease programs already in place.

  15. PROJECT PROFILE: Enabling High Concentration Photovoltaics with 50% Efficient Solar Cells

    Office of Energy Efficiency and Renewable Energy (EERE)

    The efficiency and concentration of III-V multi-junction solar cells are essential to reduce the cost of high concentration photovoltaic systems (HCPV). This project will push the limits of high-concentration III-V multi-junction solar cell technology by designing and building five and six-junction solar cells that can exceed 50% efficiency under concentrator standard testing conditions. The project aims to develop new physical understanding and break the worldwide PV efficiency records.

  16. Company Partners in Photovoltaic Manufacturing R&D | Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Company Partners in Photovoltaic Manufacturing R&D More than 40 private-sector companies ... First Solar Glasstech Solar Global Photovoltaic Specialists Global Solar Energy Golden ...

  17. Project Profile: Innovative Ballasted Flat Roof Solar Photovoltaic Racking System

    Energy.gov [DOE]

    A 2010 Rocky Mountain Institute report estimated that structural systems alone cost about $0.95 per watt for rooftop installations. Cascade is developing a plastic-based photovoltaic (PV) racking...

  18. Solar Photovoltaic Cell/Module Shipments Report July 2016

    Annual Energy Outlook

    Photovoltaic CellModule Shipments Report July 2016 Independent Statistics & Analysis www.eia.gov U.S. Department of Energy Washington, DC 20585 U.S. Energy Information ...

  19. Fact Sheet: Photovoltaics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaics Fact Sheet: Photovoltaics The U.S. Department of Energy (DOE)'s Solar Energy Technologies Office works with industry, academia, national laboratories, and other government agencies to advance solar photovoltaics (PV), which is the direct conversion of sunlight into electricity by a semiconductor, in support of the goals of the SunShot Initiative. SunShot supports research and development to aggressively advance PV technology by improving efficiency and reliability and lowering

  20. Tunable Nanocrystalline CZTS for Solar Photovoltaics with No...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Contact CSU About This Technology Publications: PDF Document Publication Nanocrystal Summary (230 KB) Example solar cell Example solar cell Technology Marketing Summary Thin-film ...

  1. EERE Success Story-Colorado Becomes First State to Install Solar...

    Office of Environmental Management (EM)

    the residential sector, but recent developments in the solar industry have allowed the program to integrate solar photovoltaic (PV) technologies into its weatherization services. ...

  2. Linkages from DOEs Solar Photovoltaic R&D to Commercial Renewable Power from Solar Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    i Acknowledgments This report uses bibliometric analysis to trace linkages of knowledge outputs from solar photovoltaic research and development (R&D) by the Solar Energy Technologies Program of the U.S. Department of Energy (DOE), to downstream innovations in renewable electricity generation and other areas. The report is prepared for DOE under Purchase Order No. 933589 of Sandia National Laboratories in Albuquerque, New Mexico. Sandia is operated by Sandia Corporation, a subsidiary of

  3. Solar Energy Education. Industrial arts: teacher's guide. Field...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Industrial arts: teacher's guide. Field test edition. Includes glossary Citation Details In-Document Search Title: Solar Energy Education. Industrial arts: teacher's guide. Field ...

  4. Alternating Current Photovoltaic Building Block - Energy Innovation...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Photovoltaic Solar Photovoltaic Find More Like This Return to Search Alternating Current Photovoltaic Building Block Sandia National Laboratories Contact SNL About This...

  5. Implementing Solar Photovoltaic Projects on Historic Buildings and in Historic Districts

    SciTech Connect

    Kandt, A.; Hotchkiss, E.; Walker, A.

    2011-01-01

    Despite a global recession, the number of photovoltaic (PV) installations in the United States grew 30% from 2008 to 2009. A number of trends point toward continued growth of new PV installations. The efficiency of solar panels is increasing, while installation costs are going down. At the same time, federal, state, and local regulations are requiring that greater amounts of energy must come from renewable sources. Incentives for solar power technology implementation are being created and regulatory barriers removed. Corporations and governments are focusing on solar power to demonstrate leadership in environmental sustainability and resource conservation. Architects and builders are including PV arrays as a way to meet green building standards and property owners are seeking PV as a way to reduce their utility bills, as well as their carbon footprints. This publication focuses on the implementation of PV systems on historic properties. Many private property owners, as well as local, state, and national government entities, are seeking guidance on how best to integrate solar PV installations on historic buildings. Historic preservationists maintain that preserving, reusing, and maintaining historic structures is a key sustainable design strategy while also recognizing the importance of accommodating renewable energy technologies where they are appropriate. In some cases, however, conflicts have arisen over the installation of PV panels on historic properties. Addressing these conflicts and providing guidance regarding solutions and best practices is an important step toward resolving or eliminating barriers. Historic properties and districts in the United States provide tangible connections to the nation's past. Thousands of buildings, sites, districts, structures, and objects have been recognized for their historic and architectural significance. Local, state, and national designations of historic properties provide recognition, protection, and incentives that

  6. Milk, Eggs and Solar: Grocery Co-Op Puts Photovoltaics to Work

    Office of Energy Efficiency and Renewable Energy (EERE)

    Grocery shoppers in Burlington, Vt., are picking up much more than food and household items these days. Strolling the aisles of community-owned City Market, the 3,000 daily customers also learn about the co-op's 136 rooftop photovoltaic panels and monthly "Solar Made Simple" seminars.

  7. American Photovoltaics | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Photovoltaics Jump to: navigation, search Logo: American Photovoltaics Name: American Photovoltaics Place: Houston, Texas Zip: 77002 Region: Texas Area Sector: Solar Product: Will...

  8. NREL: Photovoltaics Research - NREL Handbook Helps Industry Collect...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    rapidly throughout the last few years, there have been significant enhancements in the body of knowledge in the areas of solar resource assessment and forecasting. Thus, this...

  9. Hudson Light & Power- Photovoltaic Incentive Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    Hudson Light & Power Department, the municipal utility for the Town of Hudson, offers a limited number of solar photovoltaic (PV) rebates for residential, commercial, industrial, and municipal...

  10. Photovoltaic Performance and Reliability Database: A Gateway to Experimental Data Monitoring Projects for PV at the Florida Solar Energy Center

    DOE Data Explorer

    This site is the gateway to experimental data monitoring projects for photovoltaic (PV) at the Florida Solar Energy Center. The website and the database were designed to facilitate and standardize the processes for archiving, analyzing and accessing data collected from dozens of operational PV systems and test facilities monitored by FSEC's Photovoltaics and Distributed Generation Division. [copied from http://www.fsec.ucf.edu/en/research/photovoltaics/data_monitoring/index.htm

  11. Building America Best Practices Series, Volume 6: High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems

    SciTech Connect

    Baechler, Michael C.; Gilbride, Theresa L.; Ruiz, Kathleen A.; Steward, Heidi E.; Love, Pat M.

    2007-06-04

    This guide is was written by PNNL for the US Department of Energy's Building America program to provide information for residential production builders interested in building near zero energy homes. The guide provides indepth descriptions of various roof-top photovoltaic power generating systems for homes. The guide also provides extensive information on various designs of solar thermal water heating systems for homes. The guide also provides construction company owners and managers with an understanding of how solar technologies can be added to their homes in a way that is cost effective, practical, and marketable. Twelve case studies provide examples of production builders across the United States who are building energy-efficient homes with photovoltaic or solar water heating systems.

  12. SLIDESHOW: Solar Industry At Work | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    SLIDESHOW: Solar Industry At Work SLIDESHOW: Solar Industry At Work June 4, 2012 - 9:37am Addthis 1 of 11 Vice President Joe Biden talks with staff at the National Renewable Energy Lab's Process Development and Integration Laboratory (PDIL). The PDIL brings together technical experts from NREL, the solar industry, and universities for collaborative research. Image: Dennis Schroeder (NREL) 2 of 11 Steven Bohn, an engineer at SunEdison oversees SunEdison's testing facility at SolarTAC in Aurora,

  13. Residential Solar Photovoltaics: Comparison of Financing Benefits, Innovations, and Options

    SciTech Connect

    Speer, B.

    2012-10-01

    This report examines relatively new, innovative financing methods for residential photovoltaics (PV) and compares them to traditional self-financing. It provides policymakers with an overview of the residential PV financing mechanisms, describes relative advantages and challenges, and analyzes differences between them where data is available. Because these innovative financing mechanisms have only been implemented in a few locations, this report can inform their wider adoption.

  14. Photovoltaic switching mechanism in lateral structure hybrid perovskite solar cells

    SciTech Connect

    Yuan, Yongbo; Chae, Jungseok; Shao, Yuchuan; Wang, Qi; Xiao, Zhengguo; Centrone, Andrea; Huang, Jinsong

    2015-06-05

    In this study, long range electromigration of methylammonium ions (MA+) in methyl ammonium lead tri-iodide (MAPbI3) film is observed directly using the photothermal induced resonance technique. The electromigration of MA+ leads to the formation of a lateral p-i-n structure, which is the origin of the switchable photovoltaic effect in MAPbI3 perovskite devices.

  15. Photovoltaic switching mechanism in lateral structure hybrid perovskite solar cells

    DOE PAGES [OSTI]

    Yuan, Yongbo; Chae, Jungseok; Shao, Yuchuan; Wang, Qi; Xiao, Zhengguo; Centrone, Andrea; Huang, Jinsong

    2015-06-05

    In this study, long range electromigration of methylammonium ions (MA+) in methyl ammonium lead tri-iodide (MAPbI3) film is observed directly using the photo­thermal induced resonance technique. The electromigration of MA+ leads to the formation of a lateral p-i-n structure, which is the origin of the switchable photovoltaic effect in MAPbI3 perovskite devices.

  16. Photovoltaic switching mechanism in lateral structure hybrid perovskite solar cells

    SciTech Connect

    Yuan, Yongbo; Chae, Jungseok; Shao, Yuchuan; Wang, Qi; Xiao, Zhengguo; Centrone, Andrea; Huang, Jinsong

    2015-06-05

    In this study, long range electromigration of methylammonium ions (MA+) in methyl ammonium lead tri-iodide (MAPbI3) film is observed directly using the photo­thermal induced resonance technique. The electromigration of MA+ leads to the formation of a lateral p-i-n structure, which is the origin of the switchable photovoltaic effect in MAPbI3 perovskite devices.

  17. Multiscale HPC Captures Photovoltaics at the Nanoscale

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Multiscale HPC Captures Photovoltaics at the Nanoscale Multiscale HPC Captures Photovoltaics at the Nanoscale Experimental/Theoretical Collaborations Aid Materials Research, Solar Cell Design October 19, 2016 Contact: Kathy Kincade, kkincade@lbl.gov, +1 510 495 2124 NRELsolarcell The tremendous growth experienced by the solar cell industry over the last decade has set the stage for a cleaner, more sustainable energy future, both in the U.S. and worldwide. While the cost of a solar energy system

  18. Experimental investigation on the photovoltaic-thermal solar heat pump air-conditioning system on water-heating mode

    SciTech Connect

    Fang, Guiyin; Hu, Hainan; Liu, Xu

    2010-09-15

    An experimental study on operation performance of photovoltaic-thermal solar heat pump air-conditioning system was conducted in this paper. The experimental system of photovoltaic-thermal solar heat pump air-conditioning system was set up. The performance parameters such as the evaporation pressure, the condensation pressure and the coefficient of performance (COP) of heat pump air-conditioning system, the water temperature and receiving heat capacity in water heater, the photovoltaic (PV) module temperature and the photovoltaic efficiency were investigated. The experimental results show that the mean photovoltaic efficiency of photovoltaic-thermal (PV/T) solar heat pump air-conditioning system reaches 10.4%, and can improve 23.8% in comparison with that of the conventional photovoltaic module, the mean COP of heat pump air-conditioning system may attain 2.88 and the water temperature in water heater can increase to 42 C. These results indicate that the photovoltaic-thermal solar heat pump air-conditioning system has better performances and can stably work. (author)

  19. Decreasing Soft Costs for Solar Photovoltaics by Improving the...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... checking and auto-population of key information, and improving access to the California Energy Commission's certified equipment list via integration with the Go Solar website. ...

  20. Nationwide Analysis of U.S. Commercial Building Solar Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    of breakeven prices than is variation in building load or solar generation profiles. vi This report is available at no cost from the National Renewable Energy Laboratory...

  1. Increasing the solar photovoltaic energy capture on sunny and cloudy days

    SciTech Connect

    Kelly, Nelson A.; Gibson, Thomas L.

    2011-01-15

    photovoltaic system is small. These results are consistent with the solar tracking algorithm optimized for cloudy conditions that we proposed in an earlier report and that was based on a much smaller data set. Improving the harvesting of solar energy on cloudy days deserves wider attention due to increasing efforts to utilize renewable solar energy. In particular, increasing the output of distributed solar power systems on cloudy days is important to developing solar-powered home fueling and charging systems for hydrogen-powered fuel-cell electric and battery-powered vehicles, respectively, because it reduces the system size and cost for solar power systems that are designed to have sufficient energy output on the worst (cloudy) days. (author)

  2. Training Veterans to Work in the Rapidly Growing Solar Industry |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Training Veterans to Work in the Rapidly Growing Solar Industry Training Veterans to Work in the Rapidly Growing Solar Industry June 26, 2015 - 12:40pm Addthis Training Veterans to Work in the Rapidly Growing Solar Industry Minh Le Minh Le Deputy Director, Solar Energy Technologies Office As the cost of solar energy continues to drop, it could become one of the cheapest electricity sources by 2030-and the solar job market will continue to flourish. In 2014, one out of

  3. Test results, Industrial Solar Technology parabolic trough solar collector

    SciTech Connect

    Dudley, V.E.; Evans, L.R.; Matthews, C.W.

    1995-11-01

    Sandia National Laboratories and Industrial Solar Technology are cost-sharing development of advanced parabolic trough technology. As part of this effort, several configurations of an IST solar collector were tested to determine the collector efficiency and thermal losses with black chrome and black nickel receiver selective coatings, combined with aluminized film and silver film reflectors, using standard Pyrex{reg_sign} and anti-reflective coated Pyrex{reg_sign} glass receiver envelopes. The development effort has been successful, producing an advanced collector with 77% optical efficiency, using silver-film reflectors, a black nickel receiver coating, and a solgel anti-reflective glass receiver envelope. For each receiver configuration, performance equations were empirically derived relating collector efficiency and thermal losses to the operating temperature. Finally, equations were derived showing collector performance as a function of input insolation value, incident angle, and operating temperature.

  4. Photovoltaic

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Energy Wind Energy Water Power Supercritical CO2 Geothermal Natural Gas Safety, Security & Resilience of the Energy Infrastructure Energy Storage Nuclear Power & Engineering ...

  5. Value of solar thermal industrial process heat

    SciTech Connect

    Brown, D.R.; Fassbender, L.L.; Chockie, A.D.

    1986-03-01

    This study estimated the value of solar thermal-generated industrial process heat (IPH) as a function of process heat temperature. The value of solar thermal energy is equal to the cost of producing energy from conventional fuels and equipment if the energy produced from either source provides an equal level of service. This requirement put the focus of this study on defining and characterizing conventional process heat equipment and fuels. Costs (values) were estimated for 17 different design points representing different combinations of conventional technologies, temperatures, and fuels. Costs were first estimated for median or representative conditions at each design point. The cost impact of capacity factor, efficiency, fuel escalation rate, and regional fuel price differences were then evaluated by varying each of these factors within credible ranges.

  6. Ligitek Photovoltaic | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Photovoltaic Jump to: navigation, search Name: Ligitek Photovoltaic Place: Taiwan Sector: Solar Product: Ligitek solar is a fully owned subsidiary of Ligitek Electronics, that will...

  7. Solar wind samples give insight into birth of solar system

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Department of Energy and Wind Easements & Rights Laws & Local Option Solar Rights Law Solar and Wind Easements & Rights Laws & Local Option Solar Rights Law < Back Eligibility Commercial Industrial Local Government Nonprofit Residential Schools State Government Federal Government Agricultural Institutional Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Thermal Electric Solar Thermal Process Heat Solar Photovoltaics Wind (All) Solar Pool Heating

  8. Photovoltaics (Fact Sheet)

    SciTech Connect

    Not Available

    2012-11-01

    The U.S. Department of Energy (DOE) works with industry, academia, national laboratories, and other government agencies to advance solar photovoltaics (PV) domestically. The SunShot Initiative aims to achieve widespread, unsubsidized cost-competitiveness through an applied research and development (R&D) portfolio spanning PV materials, devices, and manufacturing technologies.

  9. Sandia and EMCORE: Solar Photovoltaics, Fiber Optics, MODE, and...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... In June 2009, EMCORE signed an agreement with the Public Service Company of New Mexico (PNM) to become the first company to join PNM's Distributed Energy Solar Power Program. The ...

  10. Solar University-National Lab Ultra-Effective Program | Photovoltaic

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Research | NREL Solar University-National Lab Ultra-Effective Program Solar University-National lab Ultra-effective Program (SUN UP), was created to facilitate existing and new interactions between universities and NREL. Each year, NREL hosts dozens of students from universities across the country. Most exchanges of students, faculty, and NREL scientists arise out of long-standing collaborations. SUN UP was created to facilitate these interactions, but more importantly, to facilitate

  11. Converting solar-photovoltaic power into exportable products

    SciTech Connect

    Oman, H.

    1997-12-31

    Nations, states, and even communities must generate exportable products that earn money for buying needed imports. Exports have ranged from tourist services to hardwood logs. Fertile land, with irrigation water and fertilizer, grows exportable food. On the other hand a hot dry desert with no mineral resources presents a challenge to its occupants. Solar power could be generated and exported, but that requires construction of expensive transmission lines which are in service only when the sun shines. Among new options is a solar-powered plant that recovers zinc from the zinc oxide produced during discharge of zinc-air electric-vehicle batteries. A hectare-size solar-power plant with 30-percent efficient solar cells can in eight hours recover enough zinc to power 36,000 /km (22,000 miles) of travel in lightweight 4-passenger electric vehicles. A by-product could be renewable fuel for use by local residents in electric bicycles. One oriented solar panel, 10 meters by 10 meters in size, with 30-percent efficient solar cells, could in one day deliver enough energy for traveling 14,700 km (9176 miles) on bicycles. This by far exceeds the travel distance that could be obtained in one day by riding on an animal that is pastured on a s0-by-10 meter area.

  12. Solar Conference Highlights Opportunities for Industry to Partner...

    Energy.gov [DOE] (indexed site)

    On July 12 at the 2016 Solar Conference in San Francisco, U.S. Department of Energy (DOE) Office of Indian Energy Director Chris Deschene introduced the hundreds of solar industry ...

  13. Proceedings of the flat-plate solar array project research forum on photovoltaic metallization systems

    SciTech Connect

    1983-11-15

    A Photovoltaic Metallization Research Forum, under the sponsorship of the Jet Propulsion Laboratory's Flat-Plate Solar Array Project and the US Department of Energy, was held March 16-18, 1983 at Pine Mountain, Georgia. The Forum consisted of five sessions, covering (1) the current status of metallization systems, (2) system design, (3) thick-film metallization, (4) advanced techniques and (5) future metallization challenges. Twenty-three papers were presented.

  14. Banking on Solar: An Analysis of Banking Opportunities in the U.S. Distributed Photovoltaic Market

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Banking on Solar: An Analysis of Banking Opportunities in the U.S. Distributed Photovoltaic Market David Feldman and Travis Lowder National Renewable Energy Laboratory Technical Report NREL/TP-6A20-62605 November 2014 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

  15. Improved Solar Power Plant Efficiency: Low Cost Solar Irradiance Sensor -

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Innovation Portal Solar Photovoltaic Solar Photovoltaic Industrial Technologies Industrial Technologies Electricity Transmission Electricity Transmission Find More Like This Return to Search Improved Solar Power Plant Efficiency: Low Cost Solar Irradiance Sensor University of Colorado Contact CU About This Technology Publications: PDF Document Publication CU3117D (Irradiance Sensor) Marketing Summary.pdf (149 KB) Technology Marketing Summary A University of Colorado research group led

  16. Solar Conference Highlights Opportunities for Industry to Partner with

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Tribes | Department of Energy Conference Highlights Opportunities for Industry to Partner with Tribes Solar Conference Highlights Opportunities for Industry to Partner with Tribes August 2, 2016 - 3:45pm Addthis On July 12 at the 2016 Solar Conference in San Francisco, U.S. Department of Energy (DOE) Office of Indian Energy Director Chris Deschene introduced the hundreds of solar industry enthusiasts, developers, and investors in attendance to an emerging opportunity that may not have been

  17. NREL: Performance and Reliability R&D - Industry Workshop and...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Reliability Each year, NREL researchers, along with solar companies and other national lab researchers, participate in an industry workshop on photovoltaic (PV) reliability, ...

  18. Light-splitting photovoltaic system utilizing two dual-junction solar cells

    SciTech Connect

    Xiong, Kanglin; Yang, Hui; Lu, Shulong; Dong, Jianrong; Zhou, Taofei; Wang, Rongxin; Jiang, Desheng

    2010-12-15

    There are many difficulties limiting the further development of monolithic multi-junction solar cells, such as the growth of lattice-mismatched material and the current matching constraint. As an alternative approach, the light-splitting photovoltaic system is investigated intensively in different aspects, including the energy loss mechanism and the choice of energy bandgaps of solar cells. Based on the investigation, a two-dual junction system has been implemented employing lattice-matched GaInP/GaAs and InGaAsP/InGaAs cells grown epitaxially on GaAs and InP substrates, respectively. (author)

  19. Incorporation of NREL Solar Advisor Model Photovoltaic Capabilities with GridLAB-D

    SciTech Connect

    Tuffner, Francis K.; Hammerstrom, Janelle L.; Singh, Ruchi

    2012-10-19

    This report provides a summary of the work updating the photovoltaic model inside GridLAB-D. The National Renewable Energy Laboratory Solar Advisor Model (SAM) was utilized as a basis for algorithms and validation of the new implementation. Subsequent testing revealed that the two implementations are nearly identical in both solar impacts and power output levels. This synergized model aides the system-level impact studies of GridLAB-D, but also allows more specific details of a particular site to be explored via the SAM software.

  20. Florida's electric industry and solar electric technologies

    SciTech Connect

    Camejo, N.

    1983-12-01

    The Florida Electric Industry is in a process of diversifying its generation technology and its fuel mix. This is being done in an effort to reduce oil consumption, which in 1981 accounted for 46.5% of the electric generation by fuel type. This does not compare well with the rest of the nation where oil use is lower. New coal and nuclear units are coming on line, and probably more will be built in the near future. However, eventhough conservation efforts may delay their construction, new power plants will have to be built to accomodate the growing demand for electricity. Other alternatives being considered are renewable energy resources. The purpose of this paper is to present the results of a research project in which 10 electric utilities in Florida and the Florida Electric Power Coordinating Group rated six Solar Electric options. The Solar Electric options considered are: 1) Wind, 2) P.V., 3) Solar thermal-electric, 4) OTEC, 5) Ocean current, and 6) Biomass. The questionaire involved rating the economic and technical feasibility, as well as, the potential environmental impact of these options in Florida. It also involved rating the difficulty in overcoming institutional barriers and assessing the status of each option. A copy of the questionaire is included after the references. The combined capacity of the participating utilities represent over 90% of the total generating capacity in Florida. A list of the participating utilities is also included. This research was done in partial fulfillment for the Mater's of Science Degree in Coastal Zone Management. This paper is complementary to another paper (in these condensed conference proceedings) titled COASTAL ZONE ENERGY MANAGEMENT: A multidisciplinary approach for the integration of Solar Electric Systems with Florida's power generation system, which present a summary of the Master's thesis.

  1. NREL and Private Industry Begin Nationwide Solar Measuring Network...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    and Private Industry Begin Nationwide Solar Measuring Network November 13, 2008 The U.S. Department of Energy's National Renewable Energy Laboratory and IBERDROLA RENEWABLES have ...

  2. NREL Assembles Industry Group to Explore Solar Lending Potential...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Assembles Industry Group to Explore Solar Lending Potential May 7, 2014 Increasingly, banks, credit unions, and other lenders are beginning to offer loan products to homeowners and ...

  3. Solar Trackers Market - Global Industry Analysis, Size, Share...

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Trackers Market - Global Industry Analysis, Size, Share, Growth, Trends and Forecast, 2010 - 2020 Home > Groups > Increase Natural Gas Energy Efficiency John55364's picture...

  4. Sandia Labs Contributes to Solar Industry Innovation: A Partnership...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Contributes to Solar Industry Innovation: A Partnership Story - Sandia Energy Energy ... Center for Infrastructure Research and Innovation Combustion Research Facility Joint ...

  5. Solar Rights Act | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Rights Act Solar Rights Act < Back Eligibility Commercial Industrial Local Government Nonprofit Residential Schools State Government Federal Government Agricultural Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Thermal Electric Solar Thermal Process Heat Solar Photovoltaics Solar Pool Heating Program Info Sector Name State Website http://www.gosolarcalifornia.ca.gov/solar_basics/rights.php State California Program Type Solar/Wind Access Policy Summary The Solar

  6. Deconstructing Solar Photovoltaic Pricing: The Role of Market Structure, Technology, and Policy

    SciTech Connect

    Gillingham, Kenneth; Deng, Hao; Wiser, Ryan; Darghouth, Naim; Nemet, Gregory; Barbose, Galen; Rai, Varun; Dong, C. G.

    2014-12-15

    Solar photovoltaic (PV) system prices in the United States display considerable heterogeneity both across geographic locations and within a given location. Such heterogeneity may arise due to state and federal policies, differences in market structure, and other factors that influence demand and costs. This paper examines the relative importance of such factors on equilibrium solar PV system prices in the United States using a detailed dataset of roughly 100,000 recent residential and small commercial installations. As expected, we find that PV system prices differ based on characteristics of the systems. More interestingly, we find evidence suggesting that search costs and imperfect competition affect solar PV pricing. Installer density substantially lowers prices, while regions with relatively generous financial incentives for solar PV are associated with higher prices.

  7. Deconstructing Solar Photovoltaic Pricing: The Role of Market Structure, Technology and Policy

    Energy.gov [DOE]

    Solar photovoltaic (PV) system prices in the United States are considerably different both across geographic locations and within a given location. Variances in price may arise due to state and federal policies, differences in market structure, and other factors that influence demand and costs. This paper examines the relative importance of such factors on the stability of solar PV system prices in the United States using a detailed dataset of roughly 100,000 recent residential and small commercial installations. The paper finds that PV system prices differ based on characteristics of the systems. More interestingly, evidence suggests that search costs and imperfect competition affect solar PV pricing. Installer density substantially lowers prices, while regions with relatively generous financial incentives for solar PV are associated with higher prices.

  8. Letting the Sun Shine on Solar Costs: An Empirical Investigation of Photovoltaic Cost Trends in California

    SciTech Connect

    Wiser, R.; Bolinger, M.; Cappers, P.; Margolis, R.

    2006-01-01

    This report provides a comprehensive analysis of grid-connected solar photovoltaic (PV) cost trends in California, which is by far the largest PV market in the United States. The findings of this work may help stakeholders to understand important trends in the California PV market, and policymakers to design more effective solar incentive programs--a particularly important objective given the recent announcement from the California Public Utilities Commission (CPUC) to establish an 11-year, $3.2 billion incentive program for customer-sited solar. The study statistically analyzes the installed cost of grid-connected PV systems funded by the state's two largest solar rebate programs, overseen by the California Energy Commission (CEC) [operating since 1998] and the CPUC [operating since 2001].

  9. Analysis of Web Based Solar Photovoltaic Mapping Tools

    Office of Energy Efficiency and Renewable Energy (EERE)

    A PV mapping tool visually represents a specific site and calculates PV system size and projected electricity production. This report identifies the commercially available solar mapping tools and thoroughly summarizes the source data type and resolution, the visualization software program being used, user inputs, calculation methodology and algorithms, map outputs, and development costs for each map.

  10. Selecting Solar. Insights into Residential Photovoltaic (PV) Quote Variation

    SciTech Connect

    Davidson, Carolyn; Margolis, Robert

    2015-10-01

    This analysis leverages available data from EnergySage, an online solar marketplace, to offer the first data-driven characterization of quote variation faced by prospective PV customers, lending early insight into the decisions customers face once they have initial buy-in.

  11. Solar America Initiative--In Focus: The Building Industry

    SciTech Connect

    Not Available

    2007-01-01

    Fact sheet introduces the building industry to the U.S. Department of Energy's Solar America Initiative (SAI) and describes how the building industry can benefit from and contribute to the SAI.

  12. New Ulm Public Utilities- Solar Electric Rebate Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    New Ulm Public Utilities provides solar photovoltaic (PV) rebates for residential, commercial, and industrial customers. Rebates are for $1 per nameplate watt, and customers must sign a net...

  13. Solar Photovoltaic Financing: Deployment by Federal Government Agencies

    SciTech Connect

    Cory, K.; Coggeshall, C.; Coughlin, J.; Kreycik, C.

    2009-07-01

    The goal of this report is to examine how federal agencies can finance on-site PV projects. It explains state-level cash incentives available, the importance of solar renewable energy certificate revenues (in certain markets), existing financing structures, as well as innovative financing structures being used by federal agencies to deploy on-site PV. Specific examples from the DOD, DOE, and other federal agencies are highlighted to explain federal project financing in detail.

  14. Mir 1 cooperative solar array photovoltaic panel production

    SciTech Connect

    Wilkinson, W.

    1995-12-31

    This paper describes the production and on-schedule delivery to Russia of 80-watt solar array panels by Lockheed Missiles and Space Co., Inc. Ninety flight-ready panels were delivered to RSC-Energia in Kaliningrad near Moscow in November and December 1994. After assembly by the Russians they are scheduled to be delivered in October 1995 by the US Space Shuttle Atlantis (STS-74) to the Russian Mir 1 module of International Space Station Alpha.

  15. High Efficiency Nanostructured III-V Photovoltaics for Solar Concentrator Application

    SciTech Connect

    Hubbard, Seth

    2012-09-12

    The High Efficiency Nanostructured III-V Photovoltaics for Solar Concentrators project seeks to provide new photovoltaic cells for Concentrator Photovoltaics (CPV) Systems with higher cell efficiency, more favorable temperature coefficients and less sensitivity to changes in spectral distribution. The main objective of this project is to provide high efficiency III-V solar cells that will reduce the overall cost per Watt for power generation using CPV systems.This work is focused both on a potential near term application, namely the use of indium arsenide (InAs) QDs to spectrally "tune" the middle (GaAs) cell of a SOA triple junction device to a more favorable effective bandgap, as well as the long term goal of demonstrating intermediate band solar cell effects. The QDs are confined within a high electric field i-region of a standard GaAs solar cell. The extended absorption spectrum (and thus enhanced short circuit current) of the QD solar cell results from the increase in the sub GaAs bandgap spectral response that is achievable as quantum dot layers are introduced into the i-region. We have grown InAs quantum dots by OMVPE technique and optimized the QD growth conditions. Arrays of up to 40 layers of strain balanced quantum dots have been experimentally demonstrated with good material quality, low residual stain and high PL intensity. Quantum dot enhanced solar cells were grown and tested under simulated one sun AM1.5 conditions. Concentrator solar cells have been grown and fabricated with 5-40 layers of QDs. Testing of these devices show the QD cells have improved efficiency compared to baseline devices without QDs. Device modeling and measurement of thermal properties were performed using Crosslight APSYS. Improvements in a triple junction solar cell with the insertion of QDs into the middle current limiting junction was shown to be as high as 29% under one sun illumination for a 10 layer stack QD enhanced triple junction solar cell. QD devices have strong

  16. NREL Hosts PV Module Reliability Workshop for Industry | Solar | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Hosts PV Module Reliability Workshop for Industry March 1, 2016 Nearly 200 researchers from more than 100 companies and representing 16 countries attended the 7th annual PV Module Reliability Workshop, held Feb. 23-25, 2016, in Golden, Colo. The program was designed by the National Renewable Energy Laboratory (NREL) in collaboration with Sandia National Laboratories and the photovoltaic (PV) industry. "NREL's PV Module Reliability Workshop is unique in its requirement for all organizations

  17. Feasibility Study of Economics and Performance of Solar Photovoltaics at the Peru Mill Industrial Park in the City of Deming, New Mexico. A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites

    SciTech Connect

    Kiatreungwattana, K.; Geiger, J.; Healey, V.; Mosey, G.

    2013-04-01

    The U.S. Environmental Protection Agency (EPA), in accordance with the RE-Powering America's Land initiative, selected the Peru Mill Industrial Park site in the City of Deming, New Mexico, for a feasibility study of renewable energy production. The National Renewable Energy Laboratory (NREL) provided technical assistance for this project. The purpose of this report is to assess the site for a possible photovoltaic (PV) system installation and estimate the cost, performance, and site impacts of different PV options. In addition, the report recommends financing options that could assist in the implementation of a PV system at the site.

  18. Hot Electron Photovoltaics Using Low Cost Materials and Simple...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Photovoltaic Solar Photovoltaic Find More Like This Return to Search Hot Electron Photovoltaics Using Low Cost Materials and Simple Cell Design Lawrence Berkeley National ...

  19. Denmark Solar Industry DSI | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Copenhagen, Denmark Zip: DK-1550 Sector: Solar Product: Manufactures and distributes solar panels and systems. Coordinates: 55.67631, 12.569355 Show Map Loading map......

  20. Subtask 3: Nanostructured Architectures for Photovoltaic and...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Subtask 3: Nanostructured Architectures for Photovoltaic and Photochemical Energy ... the science and technology of photovoltaic and photochemical solar energy conversion. ...

  1. Selecting Solar: Insights into Residential Photovoltaic (PV) Quote Variation

    SciTech Connect

    Davidson, Carolyn; Margolis, Robert

    2015-10-01

    Before investing in a system, a prospective PV customer must not only have initial concept 'buy in,' but also be able to evaluate the tradeoffs associated with different system parameters. Prospective customers might need to evaluate disparate costs for each system attribute by comparing multiple bids. The difficulty of making such an evaluation with limited information can create a cognitive barrier to proceeding with the investment. This analysis leverages recently available data from EnergySage, an online solar marketplace, to offer the first data-driven characterization of quote variation faced by prospective PV customers, lending early insight into the decisions customers face once they have initial buy-in.

  2. 2009 Technical Risk and Uncertainty Analysis of the U.S. Department of Energy's Solar Energy Technologies Program Concentrating Solar Power and Photovoltaics R&D

    SciTech Connect

    McVeigh, J.; Lausten, M.; Eugeni, E.; Soni, A.

    2010-11-01

    The U.S. Department of Energy (DOE) Solar Energy Technologies Program (SETP) conducted a 2009 Technical Risk and Uncertainty Analysis to better assess its cost goals for concentrating solar power (CSP) and photovoltaic (PV) systems, and to potentially rebalance its R&D portfolio. This report details the methodology, schedule, and results of this technical risk and uncertainty analysis.

  3. SolarTile: A rooftop integrated photovoltaic system. Phase 1, final report

    SciTech Connect

    1998-03-26

    AstroPower, Royal Group Technologies, and Solar Design Associates are jointly developing an integrated photovoltaic roofing system for residential and light commercial building applications. This family of products will rely heavily on the technological development of a roofing tile made from recycled plastic and innovative module fabrication and encapsulation processes in conjunction with an advanced Silicon-Film{trademark} solar cell product. This solar power generating roofing product is presently being referred to as the SolarTile. A conceptual drawing of the solar roofing tile is shown. The SolarTile will be integrated with non-solar tiles in a single roof installation permitting ease of assembly and the ability to use conventional roofing techniques at ridges, valleys, and eaves. The Phase 1 effort included tasks aimed at the development of the proposed product concept; product manufacturing or fabrication, and installation cost estimates; business planning; and a market assessment of the proposed product, including target selling prices, target market sectors, size estimates for each market sector, and planned distribution mechanisms for market penetration. Technical goals as stated in the Phase 1 proposal and relevant progress are reported.

  4. Status report on a solar photovoltaic concentrating energy system for a hospital in Hawaii

    SciTech Connect

    Seki, A.; Curtis, G.; Yuen, P.

    1983-06-01

    The largest parabolic concentrating photovoltaic/solar thermal system in the U.S. began producing electricity and hot water for a hospital on the island of Kauai, Hawaii in November 1981. Each of the 80 parabolic collectors is 6 feet by 10 feet and concentrates incident sunlight on photovoltaic cells mounted on two faces of the receiver at the focus. Although the 35 kilowatt system has been designed to produce 22,000 net kilowatt-hours per year of electricity and 620,000 gallons of 180 F water, electrical output (12 to 15 kilowatt-hours per day) is only 20 percent of that expected, primarily because insolation at the site has been only 40 percent of predicted values. A second problem with fungal attack on the receivers has been solved by better sealing. The system has also withstood a hurricane with negligible damage.

  5. Feasibility Study of Solar Photovoltaics on Landfills in Puerto Rico (Second Study)

    SciTech Connect

    Salasovich, J.; Mosey, G.

    2011-08-01

    This report presents the results of an assessment of the technical and economic feasibility of deploying a solar photovoltaics (PV) system on landfill sites in Puerto Rico. The purpose of this report is to assess the landfills with the highest potential for possible solar PV installation and estimate cost, performance, and site impacts of three different PV options: crystalline silicon (fixed tilt), crystalline silicon (single-axis tracking), and thin film (fixed tilt). The report outlines financing options that could assist in the implementation of a system. According to the site production calculations, the most cost-effective system in terms of return on investment is the thin-film fixed-tilt technology. The report recommends financing options that could assist in the implementation of such a system. The landfills and sites considered in this report were all determined feasible areas in which to implement solar PV systems.

  6. The OSHA and EPA programs on preventing chemical accidents and potential applications in the photovoltaic industry

    SciTech Connect

    Fthenakis, V.M.

    1996-08-01

    OSHA issued in 1992, the Process Safety Management (PSM) of Highly Hazardous Substances. This rule requires owners/operators of facilities that handle hazardous chemicals in quantities greater than the listed thresholds to establish all the elements of a PSM. EPA has issued in June 1996, the rules for a Risk Management Program which also refers to specific substances and threshold quantities. These rules are applicable to all the facilities that use or store any of 139 regulated substances at quantities ranging from 100 lb to 10,000 lb. The RMP rule covers off-site hazards, while the OSHA Process Safety Management (PSM) rule covers worker safety issues within the plant boundary. Some of the listed substances may be found in photovoltaic manufacturing facilities. This brief report presents the basic elements of these two rules and discusses their potential applicability in the photovoltaic industry.

  7. NREL Invention Speeds Solar Cell Quality Testing for Industry

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Invention Speeds Solar Cell Quality Testing for Industry A solid-state optical system, invented by the National Renewable Energy Laboratory (NREL), measures solar cell quantum efficiency (QE) in less than a second, enabling a suite of new capabilities for solar cell manufacturers. The system was developed with funding in part by the Office of Energy Efficiency and Renewable Energy within the U.S. Department of Energy. QE is a measurement of how cells respond to light across the solar spectrum,

  8. Photovoltaic properties and morphology of organic solar cells based on liquid-crystal semiconducting polymer with additive

    SciTech Connect

    Suzuki, Atsushi; Zushi, Masahito; Suzuki, Hisato; Ogahara, Shinichi; Akiyama, Tsuyoshi; Oku, Takeo

    2014-02-20

    Bulk heterojunction organic solar cell based on liquid crystal semiconducting polymers of poly[9,9-dioctylfluorene-co-bithiophene] (F8T2) as p-type semiconductors and fullerenes (C{sub 60}) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) as electron donor and acceptor has been fabricated and characterized for improving photovoltaic and optical properties. The photovoltaic performance including current voltage curves in the dark and illumination of the F8T2/C{sub 60} conventional and inverted bulk heterojunction solar cells were investigated. Relationship between the photovoltaic properties and morphological behavior was focused on tuning for optimization of photo-voltaic performance under annealing condition near glass transition temperature. Additive-effect of diiodooctane (DIO) and poly(3-hexylthiophene-2,5-diyl) (P3HT) on the photovoltaic performance and optical properties was investigated. Mechanism of the photovoltaic properties of the conventional and inverted solar cells will be discussed by the experimental results.

  9. Utility-Scale Concentrating Solar Power and Photovoltaic Projects: A Technology and Market Overview

    SciTech Connect

    Mendelsohn, M.; Lowder, T.; Canavan, B.

    2012-04-01

    Over the last several years, solar energy technologies have been, or are in the process of being, deployed at unprecedented levels. A critical recent development, resulting from the massive scale of projects in progress or recently completed, is having the power sold directly to electric utilities. Such 'utility-scale' systems offer the opportunity to deploy solar technologies far faster than the traditional 'behind-the-meter' projects designed to offset retail load. Moreover, these systems have employed significant economies of scale during construction and operation, attracting financial capital, which in turn can reduce the delivered cost of power. This report is a summary of the current U.S. utility-scale solar state-of-the-market and development pipeline. Utility-scale solar energy systems are generally categorized as one of two basic designs: concentrating solar power (CSP) and photovoltaic (PV). CSP systems can be further delineated into four commercially available technologies: parabolic trough, central receiver (CR), parabolic dish, and linear Fresnel reflector. CSP systems can also be categorized as hybrid, which combine a solar-based system (generally parabolic trough, CR, or linear Fresnel) and a fossil fuel energy system to produce electric power or steam.

  10. Statistical Characterization of Solar Photovoltaic Power Variability at Small Timescales: Preprint

    SciTech Connect

    Shedd, S.; Hodge, B.-M.; Florita, A.; Orwig, K.

    2012-08-01

    Integrating large amounts of variable and uncertain solar photovoltaic power into the electricity grid is a growing concern for power system operators in a number of different regions. Power system operators typically accommodate variability, whether from load, wind, or solar, by carrying reserves that can quickly change their output to match the changes in the solar resource. At timescales in the seconds-to-minutes range, this is known as regulation reserve. Previous studies have shown that increasing the geographic diversity of solar resources can reduce the short term-variability of the power output. As the price of solar has decreased, the emergence of very large PV plants (greater than 10 MW) has become more common. These plants present an interesting case because they are large enough to exhibit some spatial smoothing by themselves. This work examines the variability of solar PV output among different arrays in a large ({approx}50 MW) PV plant in the western United States, including the correlation in power output changes between different arrays, as well as the aggregated plant output, at timescales ranging from one second to five minutes.

  11. Feasibility Study of Economics and Performance of Solar Photovoltaics in Nitro, West Virginia

    SciTech Connect

    Lisell, L.; Mosey, G.

    2010-08-01

    The study described in this report assessed brownfield sites designated by the City of Nitro, West Virginia for solar photovoltaic (PV) installations. The study analyzed three different types of PV systems for eight sites. The report estimates the cost, performance, and site impacts of thin film technology and crystalline silicon panels (both fixed-axis tracking and single-axis tracking systems). Potential job creation and electrical rate increases were also considered, and the report recommends financing options that could assist in the implementation of a system.

  12. Technical and Economic Assessment of Solar Photovoltaic for Groundwater Extraction on the Hanford Site

    SciTech Connect

    Mackley, Rob D.; Anderson, David M.; Thomle, Jonathan N.; Strickland, Christopher E.

    2015-09-01

    The overall goal of environmental remediation is to protect human health and the environment. Implementing renewable energy sources such as solar photovoltaic (PV) in groundwater extraction and pump-and-treat (P&T) systems may help minimize the environmental footprint of remediation efforts. The first step in considering solar PV for powering Hanford groundwater extraction is assessing the technical and economic feasibility and identifying potential target locations where implementation would be most successful. Accordingly, a techno-economic assessment of solar PV for Hanford groundwater extraction was completed in FY15. Multiple solar PV alternatives ranging in size from 1.2 to 22.4 kWp DC were evaluated and compared against traditional grid-powered systems. Results indicate that the degree to which solar PV alternatives are feasible is primarily a function of the distance of avoided power cable costs and the inclusion of an energy storage component. Standalone solar PV systems provide an energy source at the well and avoid the costs and logistics associated with running long lengths of expensive power cable to the well-head. When solar PV systems include a battery storage component, groundwater can be pumped continuously day and night in a year-round schedule. However, due to the high cost premium of the energy storage component, a fully solar-powered solution could not provide an economic direct replacement for line-powered pumping systems. As a result, the most ideal target locations for successful implementation of solar PV on the Hanford Site are remote or distant extraction wells where the primary remedial objective is contaminant mass removal (as opposed to hydraulic containment) and three-season (March through October) intermittent pumping is acceptable (e.g. remediation of hexavalent chromium in 200-UP-1).

  13. Photovoltaics (Fact Sheet)

    SciTech Connect

    DOE Solar Energy Technologies Program

    2011-06-27

    The fact sheet summarizes the goals and activities of the DOE Solar Energy Technologies Program efforts within its photovoltaics subprogram.

  14. Photovoltaics in the Classroom

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... 49 Other Materials for PV Cells ............ 53 Solar Angles and ... for Jicarilla modules * History of photovoltaics Purpose ...

  15. Photovoltaics (Fact Sheet)

    SciTech Connect

    Not Available

    2011-06-01

    The fact sheet summarizes the goals and activities of the DOE Solar Energy Technologies Program efforts within its photovoltaics subprogram.

  16. Solar Industry at Work | Laila Mattos

    ScienceCinema

    Mattos, Laila

    2013-05-29

    Laila Mattos, a technology manager at Alta Devices, talks about what it means to work for a "disruptive" solar company.

  17. Weaving New York's Solar Industry Web

    Office of Energy Efficiency and Renewable Energy (EERE)

    These days in New York, it seems whatever The Solar Energy Consortium (TSEC) touches turns to green.

  18. Solar and Wind Easements & Rights Laws & Local Option Solar Rights Law |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy and Wind Easements & Rights Laws & Local Option Solar Rights Law Solar and Wind Easements & Rights Laws & Local Option Solar Rights Law < Back Eligibility Commercial Industrial Local Government Nonprofit Residential Schools State Government Federal Government Agricultural Institutional Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Thermal Electric Solar Thermal Process Heat Solar Photovoltaics Wind (All) Solar Pool Heating

  19. Design, construction, and startup of a concentrating photovoltaic solar energy system in Hawaii: Phase II. Final report

    SciTech Connect

    Spencer, R.; Harper, R.; Maberry, G.; Bedard, R.; Rafinejad, D.

    1982-10-01

    Acurex Corporation has designed, constructed, and is now operating a 35-kWp concentrating photovoltaic solar system located at the G.N. Wilcox Memorial Hospital in Lihue, Kauai, Hawaii. The facility consists of 446 m/sup 2/ (4800 ft/sup 2/) of parabolic trough photovoltaic collectors, an electrical power generation system which converts the direct current field output into grid-compatible alternating current power, and a thermal power subsystem for heating the hospital potable water. This report summarizes the design, construction, startup, and performance of this solar facility.

  20. Variability of Power from Large-Scale Solar Photovoltaic Scenarios in the State of Gujarat: Preprint

    SciTech Connect

    Parsons, B.; Hummon, M.; Cochran, J.; Stoltenberg, B.; Batra, P.; Mehta, B.; Patel, D.

    2014-04-01

    India has ambitious goals for high utilization of variable renewable power from wind and solar, and deployment has been proceeding at a rapid pace. The western state of Gujarat currently has the largest amount of solar generation of any Indian state, with over 855 Megawatts direct current (MWDC). Combined with over 3,240 MW of wind, variable generation renewables comprise nearly 18% of the electric-generating capacity in the state. A new historic 10-kilometer (km) gridded solar radiation data set capturing hourly insolation values for 2002-2011 is available for India. We apply an established method for downscaling hourly irradiance data to one-minute irradiance data at potential PV power production locations for one year, 2006. The objective of this report is to characterize the intra-hour variability of existing and planned photovoltaic solar power generation in the state of Gujarat (a total of 1.9 gigawatts direct current (GWDC)), and of five possible expansion scenarios of solar generation that reflect a range of geographic diversity (each scenario totals 500-1,000 MW of additional solar capacity). The report statistically analyzes one year's worth of power variability data, applied to both the baseline and expansion scenarios, to evaluate diurnal and seasonal power fluctuations, different timescales of variability (e.g., from one to 15 minutes), the magnitude of variability (both total megawatts and relative to installed solar capacity), and the extent to which the variability can be anticipated in advance. The paper also examines how Gujarat Energy Transmission Corporation (GETCO) and the Gujarat State Load Dispatch Centre (SLDC) could make use of the solar variability profiles in grid operations and planning.

  1. Variability of Photovoltaic Power in the State of Gujarat Using High Resolution Solar Data

    SciTech Connect

    Hummon, M.; Cochran, J.; Weekley, A.; Lopez, A.; Zhang, J.; Stoltenberg, B.; Parsons, B.; Batra, P.; Mehta, B.; Patel, D.

    2014-03-01

    India has ambitious goals for high utilization of variable renewable power from wind and solar, and deployment has been proceeding at a rapid pace. The western state of Gujarat currently has the largest amount of solar generation of any Indian state, with over 855 Megawatts direct current (MWDC). Combined with over 3,240 MW of wind, variable generation renewables comprise nearly 18% of the electric-generating capacity in the state. A new historic 10-kilometer (km) gridded solar radiation data set capturing hourly insolation values for 2002-2011 is available for India. We apply an established method for downscaling hourly irradiance data to one-minute irradiance data at potential PV power production locations for one year, 2006. The objective of this report is to characterize the intra-hour variability of existing and planned photovoltaic solar power generation in the state of Gujarat (a total of 1.9 gigawatts direct current (GWDC)), and of five possible expansion scenarios of solar generation that reflect a range of geographic diversity (each scenario totals 500-1,000 MW of additional solar capacity). The report statistically analyzes one year's worth of power variability data, applied to both the baseline and expansion scenarios, to evaluate diurnal and seasonal power fluctuations, different timescales of variability (e.g., from one to 15 minutes), the magnitude of variability (both total megawatts and relative to installed solar capacity), and the extent to which the variability can be anticipated in advance. The paper also examines how Gujarat Energy Transmission Corporation (GETCO) and the Gujarat State Load Dispatch Centre (SLDC) could make use of the solar variability profiles in grid operations and planning.

  2. Variability of Power from Large-Scale Solar Photovoltaic Scenarios in the State of Gujarat (Presentation)

    SciTech Connect

    Parsons, B.; Hummon, M.; Cochran, J.; Stoltenberg, B.; Batra, P.; Mehta, B.; Patel, D.

    2014-04-01

    India has ambitious goals for high utilization of variable renewable power from wind and solar, and deployment has been proceeding at a rapid pace. The western state of Gujarat currently has the largest amount of solar generation of any Indian state, with over 855 Megawatts direct current (MWDC). Combined with over 3,240 MW of wind, variable generation renewables comprise nearly 18% of the electric-generating capacity in the state. A new historic 10-kilometer (km) gridded solar radiation data set capturing hourly insolation values for 2002-2011 is available for India. We apply an established method for downscaling hourly irradiance data to one-minute irradiance data at potential PV power production locations for one year, 2006. The objective of this report is to characterize the intra-hour variability of existing and planned photovoltaic solar power generation in the state of Gujarat (a total of 1.9 gigawatts direct current (GWDC)), and of five possible expansion scenarios of solar generation that reflect a range of geographic diversity (each scenario totals 500-1,000 MW of additional solar capacity). The report statistically analyzes one year's worth of power variability data, applied to both the baseline and expansion scenarios, to evaluate diurnal and seasonal power fluctuations, different timescales of variability (e.g., from one to 15 minutes), the magnitude of variability (both total megawatts and relative to installed solar capacity), and the extent to which the variability can be anticipated in advance. The paper also examines how Gujarat Energy Transmission Corporation (GETCO) and the Gujarat State Load Dispatch Centre (SLDC) could make use of the solar variability profiles in grid operations and planning.

  3. Office of Legacy Management Decision Tree for Solar Photovoltaic Projects - 13317

    SciTech Connect

    Elmer, John; Butherus, Michael; Barr, Deborah L.

    2013-07-01

    To support consideration of renewable energy power development as a land reuse option, the DOE Office of Legacy Management (LM) and the National Renewable Energy Laboratory (NREL) established a partnership to conduct an assessment of wind and solar renewable energy resources on LM lands. From a solar capacity perspective, the larger sites in the western United States present opportunities for constructing solar photovoltaic (PV) projects. A detailed analysis and preliminary plan was developed for three large sites in New Mexico, assessing the costs, the conceptual layout of a PV system, and the electric utility interconnection process. As a result of the study, a 1,214-hectare (3,000-acre) site near Grants, New Mexico, was chosen for further study. The state incentives, utility connection process, and transmission line capacity were key factors in assessing the feasibility of the project. LM's Durango, Colorado, Disposal Site was also chosen for consideration because the uranium mill tailings disposal cell is on a hillside facing south, transmission lines cross the property, and the community was very supportive of the project. LM worked with the regulators to demonstrate that the disposal cell's long-term performance would not be impacted by the installation of a PV solar system. A number of LM-unique issues were resolved in making the site available for a private party to lease a portion of the site for a solar PV project. A lease was awarded in September 2012. Using a solar decision tree that was developed and launched by the EPA and NREL, LM has modified and expanded the decision tree structure to address the unique aspects and challenges faced by LM on its multiple sites. The LM solar decision tree covers factors such as land ownership, usable acreage, financial viability of the project, stakeholder involvement, and transmission line capacity. As additional sites are transferred to LM in the future, the decision tree will assist in determining whether a solar

  4. Hybrid photovoltaic/thermal (PV/T) solar systems simulation with Simulink/Matlab

    SciTech Connect

    da Silva, R.M.; Fernandes, J.L.M.

    2010-12-15

    The purpose of this work consists in thermodynamic modeling of hybrid photovoltaic-thermal (PV/T) solar systems, pursuing a modular strategy approach provided by Simulink/Matlab. PV/T solar systems are a recently emerging solar technology that allows for the simultaneous conversion of solar energy into both electricity and heat. This type of technology present some interesting advantages over the conventional ''side-by-side'' thermal and PV solar systems, such as higher combined electrical/thermal energy outputs per unit area, and a more uniform and aesthetical pleasant roof area. Despite the fact that early research on PV/T systems can be traced back to the seventies, only recently it has gained a renewed impetus. In this work, parametric studies and annual transient simulations of PV/T systems are undertaken in Simulink/Matlab. The obtained results show an average annual solar fraction of 67%, and a global overall efficiency of 24% (i.e. 15% thermal and 9% electrical), for a typical four-person single-family residence in Lisbon, with p-Si cells, and a collector area of 6 m{sup 2}. A sensitivity analysis performed on the PV/T collector suggests that the most important variable that should be addressed to improve thermal performance is the photovoltaic (PV) module emittance. Based on those results, some additional improvements are proposed, such as the use of vacuum, or a noble gas at low-pressure, to allow for the removal of PV cells encapsulation without air oxidation and degradation, and thus reducing the PV module emittance. Preliminary results show that this option allows for an 8% increase on optical thermal efficiency, and a substantial reduction of thermal losses, suggesting the possibility of working at higher fluid temperatures. The higher working temperatures negative effect in electrical efficiency was negligible, due to compensation by improved optical properties. The simulation results are compared with experimental data obtained from other authors

  5. Nationwide Analysis of U.S. Commercial Building Solar Photovoltaic (PV) Breakeven Conditions

    SciTech Connect

    Davidson, Carolyn; Gagnon, Pieter; Denholm, Paul; Margolis, Robert

    2015-10-01

    The commercial sector offers strong potential for solar photovoltaics (PV) owing to abundant available roof space suitable for PV and the opportunity to offset the sector's substantial retail electricity purchases. This report evaluated the breakeven price of PV for 15 different building types and various financing options by calculating electricity savings based on detailed rate structures for most U.S. utility territories (representing approximately two thirds of U.S. commercial customers). We find that at current capital costs, an estimated 1/3 of U.S. commercial customers break even in the cash scenario and approximately 2/3 break even in the loan scenario. Variation in retail rates is a stronger driver of breakeven prices than is variation in building load or solar generation profiles. At the building level, variation in the average breakeven price is largely driven by the ability for a PV system to reduce demand charges.

  6. InGaN-based thin film solar cells: Epitaxy, structural design, and photovoltaic properties

    SciTech Connect

    Sang, Liwen; Liao, Meiyong; Koide, Yasuo; Sumiya, Masatomo

    2015-03-14

    In{sub x}Ga{sub 1−x}N, with the tunable direct bandgaps from ultraviolet to near infrared region, offers a promising candidate for the high-efficiency next-generation thin-film photovoltaic applications. Although the adoption of thick InGaN film as the active region is desirable to obtain efficient light absorption and carrier collection compared to InGaN/GaN quantum wells structure, the understanding on the effect from structural design is still unclear due to the poor-quality InGaN films with thickness and difficulty of p-type doping. In this paper, we comprehensively investigate the effects from film epitaxy, doping, and device structural design on the performances of the InGaN-based solar cells. The high-quality InGaN thick film is obtained on AlN/sapphire template, and p-In{sub 0.08}Ga{sub 0.92}N is achieved with a high hole concentration of more than 10{sup 18 }cm{sup −3}. The dependence of the photovoltaic performances on different structures, such as active regions and p-type regions is analyzed with respect to the carrier transport mechanism in the dark and under illumination. The strategy of improving the p-i interface by using a super-thin AlN interlayer is provided, which successfully enhances the performance of the solar cells.

  7. NREL: Photovoltaics Research - Photovoltaic Manufacturing R&D...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Photovoltaic Manufacturing R&D Project Photo of blue solar cells being sorted in a ... NREL's Photovoltaic (PV) Manufacturing Research and Development (R&D) Project was a ...

  8. Dazhan Photovoltaic Co | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Dazhan Photovoltaic Co Jump to: navigation, search Name: Dazhan Photovoltaic Co Place: Wenzhou City, Zhejiang Province, China Sector: Solar Product: China-based solar energy cell...

  9. Photovoltaic Technology Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Addthis Related Articles Quiz: Test Your Solar IQ Energy 101: Solar Photovoltaics Photovoltaic Cell Basics Energy Basics Home Renewable Energy Biomass Geothermal Hydrogen & Fuel ...

  10. Photovoltaic Research and Development - Small Innovative Projects...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Research and Development - Small Innovative Projects in Solar (PVRD-SIPS) Photovoltaic Research and Development - Small Innovative Projects in Solar (PVRD-SIPS) Photovoltaic ...

  11. Solar Industry At Work: Streamlining Home Solar Installation

    Energy.gov [DOE]

    As Director of Operations at Sunrun, Tillie Peterson works to get solar panels up and running for homeowners as quickly and efficiently as possible.

  12. Energy Department and GSA Assist in Capital Solar Challenge Industry...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    regarding the current contracting strategy. Event Details The Captial Solar Challenge Industry Day will be held on November 13, 2014, from 9:30 a.m. to 11:30 a.m. at: GSA...

  13. National Center for Photovoltaics | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    National Center for Photovoltaics The National Center for Photovoltaics (NCPV) at the National Renewable Energy Laboratory (NREL) focuses on technology innovations that drive industry growth in U.S. photovoltaic (PV) manufacturing. The NCPV includes multiple capabilities in PV research, development, deployment, and outreach. To help the U.S. photovoltaic industry maintain a competitive position, the U.S. Department of Energy (DOE) created the National Center for Photovoltaics (NCPV) in 1996.

  14. NREL Assembles Industry Working Group to Advance Solar Securitization -

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    News Releases | NREL Assembles Industry Working Group to Advance Solar Securitization Webinar focusing on SAPC to be held on March 22 March 19, 2013 The U.S. Department of Energy's (DOE)'s National Renewable Energy Laboratory (NREL) recently convened the Solar Access to Public Capital (SAPC) working group with a mission to enable securitization of solar PV assets and associated cash flows in the marketplace. SAPC's primary efforts center on the standardization of power purchase agreements,

  15. NREL: Photovoltaics Research - Thin Film Photovoltaic Partnership...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Thin Film Photovoltaic Partnership Project NREL's Thin Film Photovoltaic (PV) Partnership Project led R&D on emerging thin-film solar technologies in the United States from 1994 to ...

  16. Methodology for Estimating Solar Potential on Multiple Building Rooftops for Photovoltaic Systems

    SciTech Connect

    Kodysh, Jeffrey B; Omitaomu, Olufemi A; Bhaduri, Budhendra L; Neish, Bradley S

    2013-01-01

    In this paper, a methodology for estimating solar potential on multiple building rooftops is presented. The objective of this methodology is to estimate the daily or monthly solar radiation potential on individual buildings in a city/region using Light Detection and Ranging (LiDAR) data and a geographic information system (GIS) approach. Conceptually, the methodology is based on the upward-looking hemispherical viewshed algorithm, but applied using an area-based modeling approach. The methodology considers input parameters, such as surface orientation, shadowing effect, elevation, and atmospheric conditions, that influence solar intensity on the earth s surface. The methodology has been implemented for some 212,000 buildings in Knox County, Tennessee, USA. Based on the results obtained, the methodology seems to be adequate for estimating solar radiation on multiple building rooftops. The use of LiDAR data improves the radiation potential estimates in terms of the model predictive error and the spatial pattern of the model outputs. This methodology could help cities/regions interested in sustainable projects to quickly identify buildings with higher potentials for roof-mounted photovoltaic systems.

  17. Solar Photovoltaic Financing: Deployment on Public Property by State and Local Governments

    SciTech Connect

    Cory, K.; Coughlin, J.; Coggeshall, C.

    2008-05-01

    State and local governments have grown increasingly aware of the economic, environmental, and societal benefits of taking a lead role in U.S. implementation of renewable energy, particularly distributed photovoltaic (PV) installations. Recently, solar energy's cost premium has declined as a result of technology improvements and an increase in the cost of traditional energy generation. At the same time, a nationwide public policy focus on carbon-free, renewable energy has created a wide range of financial incentives to lower the costs of deploying PV even further. These changes have led to exponential increases in the availability of capital for solar projects, and tremendous creativity in the development of third-party ownership structures. As significant users of electricity, state and local governments can be an excellent example for solar PV system deployment on a national scale. Many public entities are not only considering deployment on public building rooftops, but also large-scale applications on available public lands. The changing marketplace requires that state and local governments be financially sophisticated to capture as much of the economic potential of a PV system as possible. This report examines ways that state and local governments can optimize the financial structure of deploying solar PV for public uses.

  18. Increasing Community Access to Solar: Designing and Developing a Shared Solar Photovoltaic System (Fact Sheet)

    SciTech Connect

    Not Available

    2012-06-01

    This document introduces the Energy Department's new Guide to Community Shared Solar: Utility, Private, and Nonprofit Project Development. The guide is designed to help those who want to develop community shared solar projects - from community organizers and advocates to utility managers and government officials - navigate the process of developing shared systems, from early planning to implementation.

  19. NREL: National Center for Photovoltaics Home Page

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    National Center for Photovoltaics The National Center for Photovoltaics (NCPV) at NREL focuses on technology innovations that drive industry growth in U.S. photovoltaic (PV)...

  20. Solar Selective Absorption Coatings - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Thermal Solar Thermal Solar Photovoltaic Solar Photovoltaic Find More Like This Return to Search Solar Selective Absorption Coatings Sandia National Laboratories Contact SNL ...

  1. Market development directory for solar industrial process heat systems

    SciTech Connect

    1980-02-01

    The purpose of this directory is to provide a basis for market development activities through a location listing of key trade associations, trade periodicals, and key firms for three target groups. Potential industrial users and potential IPH system designers were identified as the prime targets for market development activities. The bulk of the directory is a listing of these two groups. The third group, solar IPH equipment manufacturers, was included to provide an information source for potential industrial users and potential IPH system designers. Trade associates and their publications are listed for selected four-digit Standard Industrial Code (SIC) industries. Since industries requiring relatively lower temperature process heat probably will comprise most of the near-term market for solar IPH systems, the 80 SIC's included in this chapter have process temperature requirements less than 350/sup 0/F. Some key statistics and a location list of the largest plants (according to number of employees) in each state are included for 15 of the 80 SIC's. Architectural/engineering and consulting firms are listed which are known to have solar experience. Professional associated and periodicals to which information on solar IPH sytstems may be directed also are included. Solar equipment manufacturers and their associations are listed. The listing is based on the SERI Solar Energy Information Data Base (SEIDB).

  2. Approaches to Future Generation Photovoltaics and Solar Fuels: Quantum Dots, Arrays, and Quantum Dot Solar Cells

    SciTech Connect

    Semonin, O.; Luther, J.; Beard, M.; Johnson, J.; Gao, J.; Nozik, A.

    2012-01-01

    One potential, long-term approach to more efficient and lower cost future generation solar cells for solar electricity and solar fuels is to utilize the unique properties of quantum dots (QDs) to control the relaxation pathways of excited states to enhance multiple exciton generation (MEG). We have studied MEG in close-packed PbSe QD arrays where the QDs are electronically coupled in the films and thus exhibit good transport while still maintaining quantization and MEG. We have developed simple, all-inorganic solution-processable QD solar cells that produce large short-circuit photocurrents and power conversion efficiencies above 5% via nanocrystalline p-n junctions. These solar cells show QYs for photocurrent that exceed 100% in the photon energy regions where MEG is possible; the photocurrent MEG QYs as a function of photon energy match those determined via time-resolved spectroscopy Recent analyses of the major effect of MEG combined with solar concentration on the conversion efficiency of solar cells will also be discussed.

  3. Breakthrough Furnace Can Cut Solar Industry Costs

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Heat is an indispensable ingredient in each of those steps, and that's why large furnaces dot the production lines of all the solar cell manufacturers. Until now, the state of the ...

  4. Solar Industry At Work | Department of Energy

    Energy.gov [DOE] (indexed site)

    the efficiency of solar energy products and rapidly deploy them to the commercial market. ... NREL Senior Scientist Robert Tenent working on a small sample of thin film lithium-ion ...

  5. High-Concentration III-V Multijunction Solar Cells | Photovoltaic Research

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    | NREL Concentration III-V Multijunction Solar Cells We develop advanced multijiunction cell technology and transfer the resulting intellectual property to industry. We have a distinguished record of accomplishment in the field, including the invention of the original gallium indium phosphide/gallium arsenide (GaInP/GaAs) multijunction cell and its transfer to the high-efficiency cell industry, and the invention and development of the inverted metamorphic multijunction (IMM) cell technology.

  6. Feasibility Study for Photovoltaics, Wind, solar Hot Water and Hybrid Systems

    SciTech Connect

    Hooks, Ronald; Montoya, Valerie

    2008-03-26

    Southwestern Indian Polytechnic Institute (SIPI) located in Albuquerque New Mexico is a community college that serves American Indians and Alaska Natives. SIPIs student body represents over 100 Native American Tribes. SIPI completed a renewable energy feasibility study program and established renewable energy hardware on the SIPI campus, which supplements and creates an educational resource to teach renewable energy courses. The SIPI campus is located, and has as student origins, areas, in which power is an issue in remote reservations. The following hardware was installed and integrated into the campus facilities: small wind turbine, large photovoltaic array that is grid-connected, two photovoltaic arrays, one thin film type, and one polycrystalline type, one dual-axis active tracker and one passive tracker, a hot air system for heating a small building, a portable hybrid photovoltaic system for remote power, and a hot water system to preheat water used in the SIPI Child Care facility. Educational curriculum has been developed for two renewable energy courses one being the study of energy production and use, and especially the roles renewable energy forms like solar, wind, geothermal, hydro, and biomass plays, and the second course being a more advanced in-depth study of renewable energy system design, maintenance, installation, and applications. Both courses rely heavily on experiential learning techniques so that installed renewable energy hardware is continuously utilized in hand-on laboratory activities and are part of the Electronics program of studies. Renewable energy technologies and science has also been included in other SIPI programs of study such as Environmental Science, Natural Resources, Agriculture, Engineering, Network Management, and Geospatial Technology.

  7. Tracking and stationary flat plate solar collectors: Yearly collectible energy correlations for photovoltaic applications

    SciTech Connect

    Gordon, J.M. ); Kreider, J.F.; Reeves, P. )

    1991-01-01

    For tracking and stationary flat plate (nonconcentrating) solar collectors, the authors develop easy-to-use, closed form, analytical formulae for yearly collectible energy as a function of radiation threshold. Primary applications include central-station photovoltaic systems. These correlations include the explicit dependence on: yearly average clearness index, latitude, and ground cover ratio (shading effects), and are in excellent agreement with data-based results for 26 US SOLMET stations. They also incorporate appropriate functional forms that ensure accurate results for photovoltaic system design and, in particular, for systems with buy-back thresholds. Both beam and diffuse shading are treated properly and diffuse shading is found to represent a 2%-6% loss that has systematically been ignored in past studies. Sample sensitivity studies illustrate evaluation of the energetic advantage of tracking vs. stationary deployment and its significant dependence on ground cover ratio. The impact of isotropic versus anisotropic modeling of diffuse radiation is quantified and shown to give rise to non-negligible differences (up to 10%) in yearly collectible energy. They also determine an optimal tracking strategy for two-axis trackers which, however, is found to yield a 0%-2% energetic advantage relative to conventional normal-incidence tracking.

  8. Process Development for Nanostructured Photovoltaics

    SciTech Connect

    Elam, Jeffrey W.

    2015-01-01

    Photovoltaic manufacturing is an emerging industry that promises a carbon-free, nearly limitless source of energy for our nation. However, the high-temperature manufacturing processes used for conventional silicon-based photovoltaics are extremely energy-intensive and expensive. This high cost imposes a critical barrier to the widespread implementation of photovoltaic technology. Argonne National Laboratory and its partners recently invented new methods for manufacturing nanostructured photovoltaic devices that allow dramatic savings in materials, process energy, and cost. These methods are based on atomic layer deposition, a thin film synthesis technique that has been commercialized for the mass production of semiconductor microelectronics. The goal of this project was to develop these low-cost fabrication methods for the high efficiency production of nanostructured photovoltaics, and to demonstrate these methods in solar cell manufacturing. We achieved this goal in two ways: 1) we demonstrated the benefits of these coatings in the laboratory by scaling-up the fabrication of low-cost dye sensitized solar cells; 2) we used our coating technology to reduce the manufacturing cost of solar cells under development by our industrial partners.

  9. University Crystalline Silicon Photovoltaics Research and Development

    SciTech Connect

    Ajeet Rohatgi; Vijay Yelundur; Abasifreke Ebong; Dong Seop Kim

    2008-08-18

    The overall goal of the program is to advance the current state of crystalline silicon solar cell technology to make photovoltaics more competitive with conventional energy sources. This program emphasizes fundamental and applied research that results in low-cost, high-efficiency cells on commercial silicon substrates with strong involvement of the PV industry, and support a very strong photovoltaics education program in the US based on classroom education and hands-on training in the laboratory.

  10. Photovoltaic Materials

    SciTech Connect

    Duty, C.; Angelini, J.; Armstrong, B.; Bennett, C.; Evans, B.; Jellison, G. E.; Joshi, P.; List, F.; Paranthaman, P.; Parish, C.; Wereszczak, A.

    2012-10-15

    The goal of the current project was to help make the US solar industry a world leader in the manufacture of thin film photovoltaics. The overall approach was to leverage ORNL’s unique characterization and processing technologies to gain a better understanding of the fundamental challenges for solar cell processing and apply that knowledge to targeted projects with industry members. ORNL has the capabilities in place and the expertise required to understand how basic material properties including defects, impurities, and grain boundaries affect the solar cell performance. ORNL also has unique processing capabilities to optimize the manufacturing process for fabrication of high efficiency and low cost solar cells. ORNL recently established the Center for Advanced Thin-film Systems (CATS), which contains a suite of optical and electrical characterization equipment specifically focused on solar cell research. Under this project, ORNL made these facilities available to industrial partners who were interested in pursuing collaborative research toward the improvement of their product or manufacturing process. Four specific projects were pursued with industrial partners: Global Solar Energy is a solar industry leader in full scale production manufacturing highly-efficient Copper Indium Gallium diSelenide (CIGS) thin film solar material, cells and products. ORNL worked with GSE to develop a scalable, non-vacuum, solution technique to deposit amorphous or nanocrystalline conducting barrier layers on untextured stainless steel substrates for fabricating high efficiency flexible CIGS PV. Ferro Corporation’s Electronic, Color and Glass Materials (“ECGM”) business unit is currently the world’s largest supplier of metallic contact materials in the crystalline solar cell marketplace. Ferro’s ECGM business unit has been the world's leading supplier of thick film metal pastes to the crystalline silicon PV industry for more than 30 years, and has had operational cells and

  11. Solar Hot Water Heater Industry in Barbados

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    The SWH industry frst emerged in Barbados in the early 1970s in response to oil prices increasing threefold in one year. At the time, fossil fuels supplied 95% of the country's ...

  12. NREL: Photovoltaics Research - Concentrator Photovoltaic (CPV...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Concentrator Photovoltaic (CPV) Report - Fraunhofer ISE and NREL Analyze Status of Market and Technology February 4, 2015 The German Fraunhofer Institute for Solar Energy Systems...

  13. Sandia Energy - Solar Resource Assessment

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Resource Assessment Home Stationary Power Energy Conversion Efficiency Solar Energy Photovoltaics Solar Resource Assessment Solar Resource AssessmentTara...

  14. Sandia Energy - Solar Market Transformation

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Market Transformation Home Stationary Power Energy Conversion Efficiency Solar Energy Photovoltaics Solar Market Transformation Solar Market TransformationTara...

  15. Nanostructured Photovoltaics: - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Photovoltaic Solar Photovoltaic Find More Like This Return to Search Nanostructured Photovoltaics: Atomic Layer Deposition Thin Film Technology Enables Cost Effective Solar Cells Argonne National Laboratory Contact ANL About This Technology <p> Figure 1. Schematic illustration of an Argonne nanostructured photovoltaic device.</p> Figure 1. Schematic illustration of an Argonne nanostructured photovoltaic device. <p> Figure 2. ALD transparent conducting oxide coating on

  16. Alternating current photovoltaic building block - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    1103 Site Map Printable Version Share this resource About Search Categories (15) Advanced Materials Biomass and Biofuels Building Energy Efficiency Electricity Transmission Energy Analysis Energy Storage Geothermal Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Solar Photovoltaic Solar Thermal Startup America Vehicles and Fuels Wind Energy Partners (27) Visual Patent Search Success Stories Return to Search Alternating current photovoltaic building block United States

  17. Aternating current photovoltaic building block - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    0,391 Site Map Printable Version Share this resource About Search Categories (15) Advanced Materials Biomass and Biofuels Building Energy Efficiency Electricity Transmission Energy Analysis Energy Storage Geothermal Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Solar Photovoltaic Solar Thermal Startup America Vehicles and Fuels Wind Energy Partners (27) Visual Patent Search Success Stories Find More Like This Return to Search Aternating current photovoltaic building

  18. NREL Center for Photovoltaics

    SciTech Connect

    2009-01-01

    Solar cells, also called photovoltaics (PV) by solar cell scientists, convert sunlight directly into electricity. Solar cells are often used to power calculators and watches. The performance of a solar cell is measured in terms of its efficiency at turning sunlight into electricity. Only sunlight of certain energies will work efficiently to create electricity, and much of it is reflected or absorbed by the material that make up the cell. Because of this, a typical commercial solar cell has an efficiency of 15%about one-sixth of the sunlight striking the cell generates electricity. Low efficiencies mean that larger arrays are needed, and that means higher cost. Improving solar cell efficiencies while holding down the cost per cell is an important goal of the PV industry, researchers at the National Renewable Energy Laboratory (NREL) and other U.S. Department of Energy (DOE) laboratories, and they have made significant progress. The first solar cells, built in the 1950s, had efficiencies of less than 4%. For a text version of this video visit http://www.nrel.gov/learning/re_photovoltaics_video_text.html

  19. NREL Center for Photovoltaics

    ScienceCinema

    None

    2016-07-12

    Solar cells, also called photovoltaics (PV) by solar cell scientists, convert sunlight directly into electricity. Solar cells are often used to power calculators and watches. The performance of a solar cell is measured in terms of its efficiency at turning sunlight into electricity. Only sunlight of certain energies will work efficiently to create electricity, and much of it is reflected or absorbed by the material that make up the cell. Because of this, a typical commercial solar cell has an efficiency of 15%—about one-sixth of the sunlight striking the cell generates electricity. Low efficiencies mean that larger arrays are needed, and that means higher cost. Improving solar cell efficiencies while holding down the cost per cell is an important goal of the PV industry, researchers at the National Renewable Energy Laboratory (NREL) and other U.S. Department of Energy (DOE) laboratories, and they have made significant progress. The first solar cells, built in the 1950s, had efficiencies of less than 4%. For a text version of this video visit http://www.nrel.gov/learning/re_photovoltaics_video_text.html

  20. Progress in passive solar energy systems. Volume 8. Part 1

    SciTech Connect

    Hayes, J.; Andrejko, D.A.

    1983-01-01

    This book presents the papers given at a conference sponsored by the US DOE, the Solar Energy Research Institute, SolarVision, Inc., and the Southern California Solar Energy Society. The topics considered at the conference included sizing solar energy systems for agricultural applications, a farm scale ethanol production plant, the EEC wind energy RandD program, the passive solar performance assessment of an earth-sheltered house, the ARCO 1 MW photovoltaic power plant, the performance of a dendritic web photovoltaic module, second generation point focused concentrators, linear fresnel lens concentrating photovoltaic collectors, photovoltaic conversion efficiency, amorphous silicon thin film solar cells, a photovoltaic system for a shopping center, photovoltaic power generation for the utility industry, spectral solar radiation, and the analysis of insolation data.

  1. Simple Design and Manufacturing Process for High-Intensity Silicon Vertical Multi-Junction Solar Cells: Inventions and Innovation Project Fact Sheet

    SciTech Connect

    New Horizon Technologies

    2001-01-17

    Project fact sheet written for the Inventions and Innovation Program about a breakthrough in solar cells in photovoltaic concentrator systems that will create cost savings in the industry.

  2. High-Efficiency Crystalline Photovoltaics | Photovoltaic Research...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    the highest-efficiency photovoltaic devices involving single-crystal silicon and III-Vs. ... We are also a driving force in two industry-relevant areas: low-cost III-V photovoltaic ...

  3. Feasibility Study of Economics and Performance of Solar Photovoltaics at Johnson County Landfill

    SciTech Connect

    Salasovich, J.; Mosey, G.

    2012-01-01

    The U.S. Environmental Protection Agency (EPA), in accordance with the RE-Powering America's Land initiative, selected the Johnson County Landfill in Shawnee, Kansas, for a feasibility study of renewable energy production. Citizens of Shawnee, city planners, and site managers are interested in redevelopment uses for landfills in Kansas that are particularly well suited for grid-tied solar photovoltaic (PV) installation. This report assesses the Johnson County Landfill for possible grid-tied PV installations and estimates the cost, performance, and site impacts of three different PV options: crystalline silicon (fixed tilt), crystalline silicon (single-axis tracking), and thin film (fixed tilt). Each option represents a standalone system that can be sized to use an entire available site area. In addition, the report outlines financing options that could assist in the implementation of a system. The feasibility of PV systems installed on landfills is highly impacted by the available area for an array, solar resource, operating status, landfill cap status, distance to transmission lines, and distance to major roads. The report findings are applicable to other landfills in the surrounding area.

  4. Project Profile: Transformational Approach to Reducing the Total System Costs of Building-Integrated Photovoltaics

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Dow Chemical Company, under the BOS-X funding opportunity, has launched a transformational product in the building-integrated photovoltaics (BIPV) industry: the Dow POWERHOUSE Solar Shingle.

  5. Photovoltaic Films - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    The LANL solar power portfolio includes breakthrough technologies for reducing photovoltaic solar cell manufacturing costs, reducing capital expenditures, reducing the dependence ...

  6. Deming Solar Plant Solar Power Plant | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Deming Solar Plant Solar Power Plant Jump to: navigation, search Name Deming Solar Plant Solar Power Plant Facility Deming Solar Plant Sector Solar Facility Type Photovoltaic...

  7. El Dorado Solar Project Solar Power Plant | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Project Solar Power Plant Jump to: navigation, search Name El Dorado Solar Project Solar Power Plant Facility El Dorado Solar Project Sector Solar Facility Type Photovoltaic...

  8. Sandia Energy - Photovoltaic (PV) Regional Test Center (RTC)...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Photovoltaic (PV) Regional Test Center (RTC) Website Goes Live Home Renewable Energy Energy Partnership News SunShot News & Events Photovoltaic Solar National Solar Thermal Test...

  9. Factors Affecting Power Output by Photovoltaic Cells Lesson

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Factors Affecting Power Output by Photovoltaic Cells Grade Level(s): IB 2 (Senior - 3 ... C.8 Photovoltaic cells and dye-sensitized solar cells (DSSC) Understandings: * Solar ...

  10. Renewable Energies and Photovoltaics Spain S L REPS | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    and Photovoltaics Spain S L REPS Jump to: navigation, search Name: Renewable Energies and Photovoltaics Spain S.L. (REPS) Place: Spain Sector: Solar Product: Spanish solar project...

  11. Solar Easements & Rights Laws | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Industrial Local Government Nonprofit Residential Schools State Government Federal Government Agricultural Institutional Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Thermal Electric Solar Thermal Process Heat Solar Photovoltaics Program Info Sector Name State State Washington Program Type Solar/Wind Access Policy Summary Washington's solar easement laws are similar to those in many other states. The law does not create an automatic right to sunlight. Rather, the law

  12. Organic Photovoltaics Research | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... Photovoltaics II Projects) University of Michigan (Next Generation Photovoltaics 3 Projects) Benefits The benefits promised by OPV solar cells include: Low-cost manufacturing: ...

  13. Earth-abundant semiconductors for photovoltaic applications ...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Earth-abundant semiconductors for photovoltaic applications Thin film photovoltaics (solar cells) has the potential to revolutionize our energy landscape by producing clean,...

  14. Photovoltaic Cell Performance Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Performance Basics Photovoltaic Cell Performance Basics August 19, 2013 - 4:55pm Addthis Photovoltaic (PV), or solar cells use the energy in sunlight to produce electricity. ...

  15. Photovoltaics and Electricity - Energy Explained, Your Guide...

    Energy Information Administration (EIA) (indexed site)

    ... Photovoltaic cells convert sunlight into electricity A photovoltaic (PV) cell, commonly called a solar cell, is a nonmechanical device that converts sunlight directly into ...

  16. Aurora Photovoltaics Manufacturing | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Photovoltaics Manufacturing Jump to: navigation, search Name: Aurora Photovoltaics Manufacturing Place: Lawrenceville, New Jersey Zip: 8648 Sector: Solar Product: A subsidiary of...

  17. Project Profile: Plug-and-Play Solar Photovoltaics for American Homes

    Energy.gov [DOE]

    Fraunhofer USA, Inc., Center for Sustainable Energy Systems and its partners, under the Plug-and-Play Photovoltaics FOA, are developing technologies, components, systems, and standards that enable...

  18. Improvement of photovoltaic response based on enhancement of spinorbital coupling and triplet states in organic solar cells

    SciTech Connect

    Xu, Zhihua; Hu, Bin; Howe, Jane Y

    2008-01-01

    This article reports an improvement of photovoltaic response by dispersing phosphorescent Irppy3 molecules in an organic solar cell of poly2-methoxy-5-2-ethylhexyloxy-1 4-phenylenevinylene MEH-PPV blended with surface-functionalized fullerene 1-3-methyloxycarbonylpropy1-phenyl 6,6 C61 PCBM. The magnetic field dependent photocurrent indicates that the dispersed Irppy3 molecules increase the spin-orbital coupling strength with the consequence of changing the singlet and triplet ratios through intersystem crossing due to the penetration of the delocalized electrons of MEH-PPV into the large orbital magnetic field of Irppy3 dopants. The tuning of singlet and triplet exciton ratios can lead to an enhancement of photovoltaic response due to their different contributions to the two different photocurrent generation channels: exciton dissociation and exciton-charge reaction in organic materials. In addition, the photoluminescence temperature dependence reveals that the dispersed Irppy3 reduces the recombination of dissociated charge carriers in the PCBM doped MEH-PPV. As a result, adjusting singlet and triplet ratios by introducing heavy-metal complex Irppy3 provides a mechanism to improve the photovoltaic response through controlling exciton dissociation, exciton-charge reaction, and recombination of dissociated charge carriers in organic bulk-heterojunction solar cells.

  19. Feasibility Study of Economics and Performance of Solar PV at the Atlas Industrial Park in Duluth, Minnesota

    SciTech Connect

    Steen, M.; Lisell, L.; Mosey, G.

    2013-01-01

    The U.S. Environmental Protection Agency (EPA) Region 5, in accordance with the RE-Powering America's Land initiative, selected the Atlas Industrial Park in Duluth, Minnesota, for a feasibility study of renewable energy production. The EPA provided funding to the National Renewable Energy Laboratory (NREL) to support a feasibility study of solar renewable energy generation at the Atlas Industrial Park. NREL provided technical assistance for this project but did not assess environmental conditions at the site beyond those related to the performance of a photovoltaic (PV) system. The purpose of this study is to assess the site for a possible PV installation and estimate the cost, performance, and site impacts of different PV configurations. In addition, the study evaluates financing options that could assist in the implementation of a PV system at the site.

  20. WA_03_010_SHELL_SOLAR_INDUSTRIES_Waiver_of_Domestic_and_Fore.pdf |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy 10_SHELL_SOLAR_INDUSTRIES_Waiver_of_Domestic_and_Fore.pdf WA_03_010_SHELL_SOLAR_INDUSTRIES_Waiver_of_Domestic_and_Fore.pdf (1.41 MB) More Documents & Publications WA_02_039_SHELL_SOLAR_SYSTEMS_Waiver_of_Patent_Rights_Under_.pdf WA_05_059_SHELL_SOLAR_INDUSTRIES_LP_Waiver_of_Domestic_and_F.pdf Advance Patent Waiver W(A)2005-060

  1. Improve photovoltaic performance of titanium dioxide nanorods based dye-sensitized solar cells by Ca-doping

    SciTech Connect

    Li, Weixin; Yang, Junyou Zhang, Jiaqi; Gao, Sheng; Luo, Yubo; Liu, Ming

    2014-09-15

    Highlights: • TiO{sub 2} nanorods doped with Ca ions were synthesized by one-step hydrothermal method. • The flat band edge of rutile TiO{sub 2} shifted positively via Ca-doping. • The photoelectric conversion efficiency of dye-sensitized solar cells (DSSCs) based on TiO{sub 2} electrode was much enhanced by Ca-doping. • A relatively high open circuit voltage was obtained by adopting Ca-doped TiO{sub 2} nanorods electrode. - Abstract: Ca-doped TiO{sub 2} nanorod arrays were prepared via the one-step hydrothermal method successfully, and the effect of Ca ions content on the photovoltaic conversion efficiency of dye-sensitized solar cells has been fully discussed in the paper. Although no obvious change on the microstructure and morphology was observed by field emission scanning electron microscope and transmission electron microscope for the Ca-doped samples, the results of X-ray diffraction and X-ray photoelectron spectroscopy confirmed that Ti{sup 4+} was substituted with Ca{sup 2+} successfully. UV–vis spectroscopy results revealed that the flat band edge shifted positively by Ca ions doping. The photovoltaic conversion efficiency of the dye-sensitized solar cells based on the 2 mol% Ca-doped TiO{sub 2} electrode was 43% higher than that of the undoped one due to the less recombination possibility.

  2. Editorial: Photovoltaic Materials and Devices

    SciTech Connect

    Sopori, B.; Tan, T.; Rupnowski, P.

    2012-01-01

    As the global energy needs grow, there is increasing interest in the generation of electricity by photovoltaics (PVs) devices or solar cells - devices that convert sunlight to electricity. Solar industry has seen an enormous growth during the last decade. The sale of PV modules has exceeded 27 GW in 2011, with significant contributions to the market share from all technologies. While the silicon technology continues to have the dominant share, the other thin film technologies (CdTe, CIGS, a-Si, and organic PV) are experiencing fast growth. Increased production of silicon modules has led to a very rapid reduction in their price and remains as benchmark for other technologies. The PV industry is in full gear to commercialize new automated equipment for solar cell and module production, instrumentation for process monitoring technologies, and for implementation of other cost-reduction approaches, and extensive research continues to be carried out in many laboratories to improve the efficiency of solar cells and modules without increasing the production costs. A large variety of solar cells, which differ in the material systems used, design, PV structure, and even the principle of PV conversion, are designed to date. This special issue contains peer-reviewed papers in the recent developments in research related to broad spectrum of photovoltaic materials and devices. It contains papers on many aspects of solar cells-the growth and deposition, characterization, and new material development.

  3. Rooftop Solar Photovoltaic Technical Potential in the United States: A Detailed Assessment

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Rooftop Solar Challenge Award Winners Rooftop Solar Challenge Award Winners Select an Awardee Return to map → Rooftop Solar Challenge II Award Winners Award Winner Headquarters

    Rooftop Solar Challenge Round 1 Rooftop Solar Challenge Round 1 -- These projects are inactive -- The first round of the Rooftop Solar Challenge supported 22 teams working to spur solar power deployment by cutting red tape and improving finance options. By streamlining and standardizing permitting, zoning, metering,

  4. Solar Easements & Rights Laws | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Construction Industrial Local Government Nonprofit Residential State Government Federal Government Agricultural Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Photovoltaics Solar Pool Heating Program Info Sector Name State State Maryland Program Type Solar/Wind Access Policy Summary Maryland has a long-standing law protecting the rights of solar energy system owners. The original law prohibited restrictive land use covenants that imposed unreasonable limitations on the

  5. Diffraction: Enhanced Light Absorption of Solar Cells and Photodetecto...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Thermal Solar Thermal Solar Photovoltaic Solar Photovoltaic Advanced Materials Advanced Materials Find More Like This Return to Search Diffraction: Enhanced Light Absorption ...

  6. Breakout Session: Bringing Solutions to the Solar Industry: Startups...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Cheryl Martin Acting Director of ARPA-e Speakers: Dr. Thomas Earnest Global Market Development Manager, DuPont Photovoltaic Solutions Dr. Karina Edmonds Executive Director for ...

  7. SunShot Photovoltaic Manufacturing Initiative | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Technology to Market » SunShot Photovoltaic Manufacturing Initiative SunShot Photovoltaic Manufacturing Initiative The Lightweight Integrated Module Package (IMP) developed under PVMI is a flexible, foldable, and modular solar panel assembly designed for quick and simple installation on flat commercial and industrial roofs without the need for heavy ballast. Photo Courtesy: SUNY Polytechnic Institute The Lightweight Integrated Module Package (IMP) developed under PVMI is a flexible, foldable,

  8. Cost-Effective Silicon Wafers for Solar Cells: Direct Wafer Enabling Terawatt Photovoltaics

    SciTech Connect

    2010-01-15

    Broad Funding Opportunity Announcement Project: 1366 is developing a process to reduce the cost of solar electricity by up to 50% by 2020from $0.15 per kilowatt hour to less than $0.07. 1366s process avoids the costly step of slicing a large block of silicon crystal into wafers, which turns half the silicon to dust. Instead, the company is producing thin wafers directly from molten silicon at industry-standard sizes, and with efficiencies that compare favorably with todays state-of-the-art technologies. 1366s wafers could directly replace wafers currently on the market, so there would be no interruptions to the delivery of these products to market. As a result of 1366s technology, the cost of silicon wafers could be reduced by 80%.

  9. Siemens solar CIS photovoltaic module and system performance at the National Renewable Energy Laboratory

    SciTech Connect

    Strand, T.; Kroposki, B.; Hansen, R.; Willett, D.

    1996-05-01

    This paper evaluates the individual module and array performance of Siemens Solar Industries copper indium diselenide (CIS) polycrystalline thin-film technology. This is accomplished by studying module and array performance over time. Preliminary temperature coefficients for maximum power, maximum-power voltage, maximum-power current, open-circuit voltage, short-circuit current, and fill factor are determined at both the module and array level. These coefficients are used to correct module/array performance to 25{degrees}C to evaluate stability. The authors show that CIS exhibits a strong inverse correlation between array power and back-of-module temperature. This is due mainly to the narrow bandgap of the CIS material, which results in a strong inverse correlation between voltage and temperature. They also show that the temperature-corrected module and array performance has been relatively stable over the evaluation interval ({approx}2 years).

  10. SES Solar Three Project Solar Power Plant | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Three Project Solar Power Plant Jump to: navigation, search Name SES Solar Three Project Solar Power Plant Facility SES Solar Three Project Sector Solar Facility Type Photovoltaics...

  11. See-through amorphous silicon solar cells with selectively transparent and conducting photonic crystal back reflectors for building integrated photovoltaics

    SciTech Connect

    Yang, Yang; OBrien, Paul G.; Materials Chemistry Research Group, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6 ; Ozin, Geoffrey A. E-mail: kherani@ecf.utoronto.ca; Kherani, Nazir P. E-mail: kherani@ecf.utoronto.ca

    2013-11-25

    Thin semi-transparent hydrogenated amorphous silicon (a-Si:H) solar cells with selectively transparent and conducting photonic crystal (STCPC) back-reflectors are demonstrated. Short circuit current density of a 135?nm thick a-Si:H cell with a given STCPC back-reflector is enhanced by as much as 23% in comparison to a reference cell with an ITO film functioning as its rear contact. Concurrently, solar irradiance of 295?W/m{sup 2} and illuminance of 3480 lux are transmitted through the cell with a given STCPC back reflector under AM1.5 Global tilt illumination, indicating its utility as a source of space heating and lighting, respectively, in building integrated photovoltaic applications.

  12. Mulk Renewable Energy Aditya Solar Power Industries JV | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Arab Emirates Sector: Solar Product: UAE-based company that is developing a 200MW solar thermal plant in Sharjah. References: Mulk Renewable Energy & Aditya Solar Power...

  13. Shenzhen Prosunpro PengSangPu Solar Industrial Products Corporation...

    OpenEI (Open Energy Information) [EERE & EIA]

    China Zip: 518055 Sector: Solar Product: Shenzhen Prosunpro makes and installs flat panel solar passive energy collectors and engineers central solar hot water systems....

  14. Solar Contractor Licensing | Department of Energy

    Energy.gov [DOE] (indexed site)

    < Back Eligibility InstallersContractors Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Thermal Electric Solar Thermal Process Heat Solar Photovoltaics...

  15. An update on environmental, health and safety issues of interest to the photovoltaic industry

    SciTech Connect

    Moskowitz, P.D.; Viren, J.; Fthenakis, V.M.

    1992-08-01

    There is growing interest in the environmental, health, and safety issues related to new photovoltaic technologies as they approach commercialization. Such issues include potential toxicity of II--VI compounds; the impacts of new environmental regulations on module manufacturers; and, the need for recycling of spent modules and manufacturing wastes. This paper will review these topics. 20 refs.

  16. Join Secretary Chu Tomorrow for a Google+ Hangout on America's Growing Solar Industry

    Energy.gov [DOE]

    Tune in tomorrow on energy.gov/live to hear from Secretary Chu and experts from across the solar industry as they discuss the SunShot Initiative and the future of solar in the U.S.

  17. Tandem Microwire Solar Cells for Flexible High Efficiency Low Cost Photovoltaics

    SciTech Connect

    Atwater, Harry A.

    2015-03-10

    This project has developed components of a waferless, flexible, low-cost tandem multijunction III-V/Si microwire array solar cell technology which combines the efficiency of wafered III-V photovoltaic technologies with the process designed to meet the Sunshot object. The project focused on design of lattice-matched GaAsP/SiGe two junction cell design and lattice-mismatched GaInP/Si tandem cell design. Combined electromagnetic simulation/device physics models using realistic microwire tandem structures were developed that predict >22% conversion efficiency for known material parameters, such as tunnel junction structure, window layer structure, absorber lifetimes and optical absorption and these model indicate a clear path to 30% efficiency for high quality III-V heterostructures. SiGe microwire arrays were synthesized via Cu-catalyzed vapor-liquid-solid (VLS) growth with inexpensive chlorosilane and chlorogermance precursors in an atmospheric pressure reactor. SiGe alloy composition in microwires was found to be limited to a maximum of 12% Ge incorporation during chlorogermane growth, due to the melting of the alloy near the solidus composition. Lattice mismatched InGaP double heterostructures were grown by selective epitaxy with a thermal oxide mask on Si microwire substrates using metallorganic vapor phase epitaxy. Transmission electron microscopy (TEM) analysis confirms the growth of individual step graded layers and a high density of defects near the wire/III-V interface. Selective epitaxy was initiated with a low temperature nucleation scheme under “atomic layer epitaxy” or “flow mediated epitaxy” conditions whereby the Ga and P containing precursors are alternately introduced into the reactor to promote layer-bylayer growth. In parallel to our efforts on conformal GaInP heteroepitaxy on selectively masked Si microwires, we explored direct, axial growth of GaAs on Si wire arrays as another route to a tandem junction architecture. We proposed axial

  18. The SunShot Story: Challenging the Solar Industry to Say 'What If'

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Since 2011 | Department of Energy The SunShot Story: Challenging the Solar Industry to Say 'What If' Since 2011 The SunShot Story: Challenging the Solar Industry to Say 'What If' Since 2011 May 18, 2016 - 11:38am Addthis Suniva installation at Grand Valley State University. Photo courtesy of Suniva. Suniva installation at Grand Valley State University. Photo courtesy of Suniva. Solar Energy Systems installation, courtesy of Sustainable CUNY Solar Energy Systems installation, courtesy of

  19. Solar Career Map | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Career Map Solar Career Map The Solar Career Map explores the many job opportunities available in the solar industry. It is a comprehensive renewable energy competency model (careeronestop.org) that includes solar photovoltaic skills and knowledge as one of several career paths in renewable energy disciplines. The interactive online career map displays three dozen solar occupations in four sectors: component production, system design, sales & marketing, and installation/operations. This

  20. Workshop: Natural Allies: Training Other Professionals Who Impact the Solar

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Industry | Department of Energy Natural Allies: Training Other Professionals Who Impact the Solar Industry Workshop: Natural Allies: Training Other Professionals Who Impact the Solar Industry May 22, 2014 2:30PM to 8:00PM PDT Huntington Every solar installation involves professional designers, installers and laborers. But what about other industries and professionals who affect the success the overall life-cycle cost of a photovoltaic (PV) installation and its transaction value over time?

  1. Sandia Energy - Glitter-Sized Photovoltaic Cells in Utility-Scale...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Glitter-Sized Photovoltaic Cells in Utility-Scale Solar Power Systems Home Renewable Energy Energy News Photovoltaic Solar Glitter-Sized Photovoltaic Cells in Utility-Scale Solar...

  2. The Department of Energy`s Solar Industrial Program: 1995 review

    SciTech Connect

    1996-04-01

    During 1995, the Department of Energy`s Solar Industrial (SI) Program worked to bring the benefits of solar energy to America`s industrial sector. Scientists and engineers within the program continued the basic research, applied engineering, and economic analyses that have been at the heart of the Program`s success since its inception in 1989. In 1995, all three of the SI Program`s primary areas of research and development--solar detoxification, advanced solar processes, and solar process heat--succeeded in increasing the contribution made by renewable and energy-efficient technologies to American industry`s sustainable energy future. The Solar Detoxification Program develops solar-based pollution control technologies for destroying hazardous environmental contaminants. The Advanced Solar Processes Program investigates industrial uses of highly concentrated solar energy. The Solar Process Heat Program conducts the investigations and analyses that help energy planners determine when solar heating technologies--like those that produce industrial-scale quantities of hot water, hot air, and steam--can be applied cost effectively. The remainder of this report highlights the research and development conducted within in each of these subprograms during 1995.

  3. Solar Newsletter

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Newsletter pvworkshopoct24 Permalink Gallery Register for the PV Performance Modeling and Monitoring Workshop, October 24-25, 2016 News, News & Events, Photovoltaic, Solar, ...

  4. Decoupling Utility Profits from Sales: Issues for the Photovoltaic...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Decoupling Utility Profits from Sales: Issues for the Photovoltaic Industry Decoupling Utility Profits from Sales: Issues for the Photovoltaic Industry This decoupling white paper ...

  5. Solar Training at Camp Pendleton | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solar Training at Camp Pendleton Solar Training at Camp Pendleton Addthis INAUGURAL GRADUATING CLASS 1 of 9 INAUGURAL GRADUATING CLASS On Friday, February 13, the first class of Marine trainees at Camp Pendleton in California graduated from the Energy Department's solar job training pilot program, which is aimed at preparing service members for careers in the solar industry as solar photovoltaic system installers, sales representatives, system inspectors, and other solar-related opportunities.

  6. Photovoltaic generator with a spherical imaging lens for use with a paraboloidal solar reflector

    DOEpatents

    Angel, Roger P

    2013-01-08

    The invention is a generator for photovoltaic conversion of concentrated sunlight into electricity. A generator according to the invention incorporates a plurality of photovoltaic cells and is intended for operation near the focus of a large paraboloidal reflector pointed at the sun. Within the generator, the entering concentrated light is relayed by secondary optics to the cells arranged in a compact, concave array. The light is delivered to the cells at high concentration, consistent with high photovoltaic conversion efficiency and low cell cost per unit power output. Light enters the generator, preferably first through a sealing window, and passes through a field lens, preferably in the form of a full sphere or ball lens centered on the paraboloid focus. This lens forms a concentric, concave and wide-angle image of the primary reflector, where the intensity of the concentrated light is stabilized against changes in the position of concentrated light entering the generator. Receiving the stabilized light are flat photovoltaic cells made in different shapes and sizes and configured in a concave array corresponding to the concave image of a given primary reflector. Photovoltaic cells in a generator are also sized and interconnected so as to provide a single electrical output that remains high and stable, despite aberrations in the light delivered to the generator caused by, for example, mispointing or bending of the primary reflector. In some embodiments, the cells are set back from the image formed by the ball lens, and part of the light is reflected onto each cell small secondary reflectors in the form of mirrors set around its perimeter.

  7. Solar collection

    SciTech Connect

    Cole, S.L.

    1984-08-01

    This report contains summaries and pictures of projects funded by the Appropriate Technology Small Grants Program which include the following solar technologies: solar dish; photovoltaics; passive solar building and solar hot water system; Trombe wall; hot air panel; hybrid solar heating system; solar grain dryer; solar greenhouse; solar hot water workshops; and solar workshops.

  8. Solar For Schools: A Case Study in Identifying and Implementing Solar Photovoltaic (PV) Projects in Three California School Districts: Preprint

    SciTech Connect

    Kandt, A.

    2011-04-01

    The Department of Energy's (DOE) Solar America Showcase program seeks to accelerate demand for solar technologies among key end use market sectors. As part of this activity the DOE provides Technical Assistance through its national laboratories to large-scale, high-visibility solar installation projects. The Solar Schools Assessment and Implementation Project (SSAIP) in the San Francisco Bay area was selected for a 2009 DOE Solar American Showcase award. SSAIP was formed through the efforts of the nonprofit Sequoia Foundation and includes three school districts: Berkeley, West Contra Costa, and Oakland Unified School Districts. This paper summarizes the technical assistance efforts that resulted from this technical assistance support. It serves as a case study and reference document detailing the steps and processes that could be used to successfully identify, fund, and implement solar PV projects in school districts across the country.

  9. Using CAD software to simulate PV energy yield - The case of product integrated photovoltaic operated under indoor solar irradiation

    SciTech Connect

    Reich, N.H.; van Sark, W.G.J.H.M.; Turkenburg, W.C.; Sinke, W.C.

    2010-08-15

    In this paper, we show that photovoltaic (PV) energy yields can be simulated using standard rendering and ray-tracing features of Computer Aided Design (CAD) software. To this end, three-dimensional (3-D) sceneries are ray-traced in CAD. The PV power output is then modeled by translating irradiance intensity data of rendered images back into numerical data. To ensure accurate results, the solar irradiation data used as input is compared to numerical data obtained from rendered images, showing excellent agreement. As expected, also ray-tracing precision in the CAD software proves to be very high. To demonstrate PV energy yield simulations using this innovative concept, solar radiation time course data of a few days was modeled in 3-D to simulate distributions of irradiance incident on flat, single- and double-bend shapes and a PV powered computer mouse located on a window sill. Comparisons of measured to simulated PV output of the mouse show that also in practice, simulation accuracies can be very high. Theoretically, this concept has great potential, as it can be adapted to suit a wide range of solar energy applications, such as sun-tracking and concentrator systems, Building Integrated PV (BIPV) or Product Integrated PV (PIPV). However, graphical user interfaces of 'CAD-PV' software tools are not yet available. (author)

  10. Feasibility Study of Economics and Performance of Solar Photovoltaics at the Stringfellow Superfund Site in Riverside, California

    SciTech Connect

    Mosey, G.; Van Geet, O.

    2010-12-01

    This report presents the results of an assessment of the technical and economic feasibility of deploying a photovoltaics (PV) system on the Stringfellow Superfund Site in Riverside, California. The site was assessed for possible PV installations. The cost, performance, and site impacts of different PV options were estimated. The economics of the potential systems were analyzed using an electric rate of $0.13/kWh and incentives offered by Southern California Edison under the California Solar Initiative. According to the assessment, a government-owned, ground-mounted PV system represents a technically and economically feasible option. The report recommends financing options that could assist in the implementation of such a system.

  11. Potential for Photovoltaic Solar Installation in Non-Irrigated Corners of Center Pivot Irrigation Fields in the State of Colorado

    SciTech Connect

    Roberts, B.

    2011-07-01

    The State of Colorado expressed an interest in assessing the potential for photovoltaic (PV) solar installations on non-irrigated corners of center-pivot irrigation (CPI) fields throughout the state. Using aerial imagery and irrigated land data available from the Colorado Water Conservation Board, an assessment of potentially suitable sites was produced. Productivity estimates were calculated from that assessment. The total area of non-irrigated corners of CPI fields in Colorado was estimated to be 314,674 acres, which could yield 223,418 acres of installed PV panels assuming 71% coverage in triangular plots. The total potential annual electricity production for the state was estimated to be 56,821 gigawatt hours (GWH), with an average of 1.3 GWH per available plot.

  12. Improved photovoltaic energy output for cloudy conditions with a solar tracking system

    SciTech Connect

    Kelly, Nelson A.; Gibson, Thomas L.

    2009-11-15

    This work describes measurements of the solar irradiance made during cloudy periods in order to improve the amount of solar energy captured during such periods. It is well-known that 2-axis tracking, in which solar modules are pointed at the sun, improves the overall capture of solar energy by a given area of modules by 30-50% versus modules with a fixed tilt. On sunny days the direct sunshine accounts for up to 90% of the total solar energy, with the other 10% from diffuse (scattered) solar energy. However, during overcast conditions nearly all of the solar irradiance is diffuse radiation that is isotropically-distributed over the whole sky. An analysis of our data shows that during overcast conditions, tilting a solar module or sensor away from the zenith reduces the irradiance relative to a horizontal configuration, in which the sensor or module is pointed toward the zenith (horizontal module tilt), and thus receives the highest amount of this isotropically-distributed sky radiation. This observation led to an improved tracking algorithm in which a solar array would track the sun during cloud-free periods using 2-axis tracking, when the solar disk is visible, but go to a horizontal configuration when the sky becomes overcast. During cloudy periods we show that a horizontal module orientation increases the solar energy capture by nearly 50% compared to 2-axis solar tracking during the same period. Improving the harvesting of solar energy on cloudy days is important to using solar energy on a daily basis for fueling fuel-cell electric vehicles or charging extended-range electric vehicles because it improves the energy capture on the days with the lowest hydrogen generation, which in turn reduces the system size and cost. (author)

  13. Energy Department and GSA Assist in Capital Solar Challenge Industry...

    Office of Environmental Management (EM)

    General Services Administration (GSA) are charged with assisting agencies in leading the Capital Solar Challenge with the goal of developing solar renewable power on Federal sites. ...

  14. Growing a Solar Industry in the Sacramento Clean Tech Zone

    Energy.gov [DOE]

    This summary report documents the assessment and evaluation process and results, with conclusions that can be used as guidelines for solar and solar supply chain focused investments.

  15. Photovoltaic Systems Evaluation Laboratory (PSEL)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Distributed Energy Technology Lab Microsystems and Engineering Sciences Applications National Solar Thermal Test Facility Nuclear Energy Systems LaboratoryBrayton Lab Photovoltaic ...

  16. Design of solar cells for use in photovoltaic/thermal collectors

    SciTech Connect

    Cox, C.H. III

    1980-01-01

    A promising design development for combined photovoltaic/thermal (PV/T) collectors is one in which the photovoltaic cell is both the conversion device for electrical energy and the absorber of thermal energy. To accomplish this, the PV cell design is modified to use the approximately 25 percent of the air mass 1 spectrum at lambda > 1.1 ..mu..m that is currently rejected by the cell. The parameters investigated are: cell back metallization, back surface field, texture etching and anti-reflective coating. A model indicating the increase in absorptance as a function of these parameters is presented, together with the results of experimental measurements. Discussion closes with the presentation of a PV/T collector design that incorporates the improved cells, has 10 percent greater thermal output than current PV/T collectors, and exhibits no degradation in electrical output.

  17. Request for Information: Photovoltaic Reliability and Durability Research and Development

    Energy.gov [DOE]

    The United States Department of Energy (DOE) – Office of Energy Efficiency and Renewable Energy (EERE) seeks feedback from industry, academia, research laboratories, government agencies, and other stakeholders on issues related to solar photovoltaic (PV) reliability and durability research and development.

  18. Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar panels line the rooftop of the parking garage at the south table mountain campus of NREL. National Center for Photovoltaics Inaugural History-from NCPV's inception in 1996 PV Manufacturing R&D Project Thin-Film PV Partnership Research Cell Record Efficiency Chart and Explanatory Notes NCPV Video The National Center for Photovoltaics (NCPV) works to advance the state of the art across the full spectrum of photovoltaic (PV) research and development at the National Renewable Energy

  19. Frequently Asked Questions About Solar Ready Vets® | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Frequently Asked Questions About Solar Ready Vets® Frequently Asked Questions About Solar Ready Vets® The SunShot Initiative Solar Ready Vets® program connects our nation's skilled veterans to the solar energy industry, preparing them for careers as solar photovoltaic (PV) system installers, sales representatives, system inspectors, and other solar-related occupations. Solar Ready Vets is enabled by the U.S. Department of Defense's SkillBridge initiative, which allows exiting military

  20. New Tomorrow Photovoltaic Co Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Tomorrow Photovoltaic Co Ltd Jump to: navigation, search Name: New Tomorrow Photovoltaic Co Ltd Place: Shenzhen, Guangdong Province, China Zip: 518112 Sector: Solar Product:...

  1. Xi an Huanghe Photovoltaic Technology Co Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Huanghe Photovoltaic Technology Co Ltd Jump to: navigation, search Name: Xi'an Huanghe Photovoltaic Technology Co Ltd Place: Xi'an, Shaanxi Province, China Sector: Solar Product:...

  2. Singlet Exciton Fission in Polyacenes: Photophysics and Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Exciton Fission in Polyacenes: Photophysics and Photovoltaic Applications December 13, ... However, the efficiency of any single-bandgap photovoltaic device under solar irradiation ...

  3. Project Profile: Evaluating the Causes of Photovoltaics Cost...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    progress observed for photovoltaics (PV) over the past half century. Motivation Photovoltaic technologies, including silicon and thin film solar cells, have experienced ...

  4. Thin Film CIGS and CdTe Photovoltaic Technologies: Commercialization...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Photovoltaic Technologies: Commercialization, Critical Issues, and Applications Preprint H.S. Ullal and B. von Roedern To be presented at the 22nd European Photovoltaic Solar ...

  5. NREL: Energy Analysis - Crystalline Silicon and Thin Film Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Crystalline Silicon and Thin Film Photovoltaic Results - Life Cycle Assessment ... residential and utility-scale solar photovoltaic (PV) systems with wide-ranging results. ...

  6. Banking on Solar: An Analysis of Banking Opportunities in the U.S. Distributed Photovoltaic Market

    SciTech Connect

    Feldman, D.; Lowder, T.

    2014-11-01

    This report provides a high-level overview of the developing U.S. solar loan product landscape, from both a market and economic perspective. It covers current and potential U.S. solar lending institutions; currently available loan products; loan program structures and post-loan origination options; risks and uncertainties of the solar asset class as it pertains to lenders; and an economic analysis comparing loan products to third party-financed systems in California.

  7. Editorial: Photovoltaic Materials and Devices 2014

    SciTech Connect

    Sopori, Bhushan; Rupnowski, Peter; Shet, Sudhakar; Basnyat, Prakash

    2014-12-22

    An ever increasing demand on energy has fostered many new generation technologies, which include photovoltaics. In recent years, photovoltaic industry has grown very rapidly. The installed capacity of PV for 2013 was about 37 GW and 2014 sales are expected to be around 45 GW. However, there has been excess production for last several years, which is responsible in part for the low prices (about 60 c/W). To lower the PV energy costs further, a major strategy appears to be going to high efficiency solar cells. This approach is favored (over lower cost/lower efficiency) because cell efficiency has a very large influence on the acceptable manufacturing cost of a PV module. Hence, the PV industry is moving toward developing processes and equipment to manufacture solar cells that can yield efficiencies >20%. Therefore, further research is needed within existing technologies to accomplish these objectives. Likewise, research will continue to seek new materials and devices.

  8. The Solar Energy Consortium of New York Photovoltaic Research and Development Center

    SciTech Connect

    Klein, Petra M.

    2012-10-15

    Project Objective: To lead New York State to increase its usage of solar electric systems. The expected outcome is that appropriate technologies will be made available which in turn will help to eliminate barriers to solar energy usage in New York State. Background: The Solar Energy Consortium has been created to lead New York State research on solar systems specifically directed at doubling the efficiency, halving the cost and reducing the cost of installation as well as developing unique form factors for the New York City urban environment.

  9. Distributed Solar Photovoltaics for Electric Vehicle Charging: Regulatory and Policy Considerations (Brochure)

    SciTech Connect

    Not Available

    2014-09-01

    Increasing demand for electric vehicle (EV) charging provides an opportunity for market expansion of distributed solar technology. A major barrier to the current deployment of solar technology for EV charging is a lack of clear information for policy makers, utilities and potential adopters. This paper introduces the pros and cons of EV charging during the day versus at night, summarizes the benefits and grid implications of combining solar and EV charging technologies, and offers some regulatory and policy options available to policy makers and regulators wanting to incentivize solar EV charging.

  10. China Glass Solar aka CG Solar formerly Weihai Bluestar Terra...

    OpenEI (Open Energy Information) [EERE & EIA]

    Glass Solar aka CG Solar formerly Weihai Bluestar Terra Photovoltaic Co Ltd Jump to: navigation, search Name: China Glass Solar (aka CG Solar, formerly Weihai Bluestar Terra...

  11. Residential Solar and Wind Energy Systems Tax Credit

    Energy.gov [DOE]

    Qualifying technologies include solar domestic water heating systems, solar swimming pool and spa heating systems, photovoltaic systems, photovoltaic phones and street lights, passive solar...

  12. EERE Success Story-Solar Junction Develops World Record Setting...

    Office of Environmental Management (EM)

    Junction Develops World Record Setting Concentrated Photovoltaic Solar Cell EERE Success Story-Solar Junction Develops World Record Setting Concentrated Photovoltaic Solar Cell ...

  13. Directly-irradiated Two-zone Solar Thermochemical Reactor for...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Photovoltaic Solar Photovoltaic Hydrogen and Fuel Cell Hydrogen and Fuel Cell Find More Like This Return to Search Directly-irradiated Two-zone Solar Thermochemical Reactor ...

  14. Sandia Energy - Solar Glare Hazard Analysis Tool

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Glare Hazard Analysis Tool Home Stationary Power Energy Conversion Efficiency Solar Energy Photovoltaics Solar Market Transformation Solar Glare Hazard Analysis Tool Solar...

  15. Solar and Wind Rights | Department of Energy

    Energy.gov [DOE] (indexed site)

    - Passive Solar Water Heat Solar Space Heat Solar Thermal Electric Solar Thermal Process Heat Solar Photovoltaics Wind (All) Wind (Small) Program Info Sector Name State State...

  16. Scaled Solar | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Product: Scaled Solar manufacturers and markets utility-grade, concentrated photovoltaic solar energy systems to commercial customers References: Scaled Solar1 This...

  17. Sylcom Solar | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Sylcom Solar provides the design, research, distribution, construction, operation, maintenance of products and of Photovoltaic Solar, Thermal Solar and Solar Thermoelectric...

  18. Solar Easements | Department of Energy

    Energy Saver

    Process Heat Solar Photovoltaics Daylighting Solar Pool Heating Program Info Sector Name State State Kentucky Program Type SolarWind Access Policy Summary In Kentucky, solar ...

  19. Method and apparatus for uniformly concentrating solar flux for photovoltaic applications

    DOEpatents

    Jorgensen, Gary J. (Pine, CO); Carasso, Meir (Lakewood, CO); Wendelin, Timothy J. (Golden, CO); Lewandowski, Allan A. (Evergreen, CO)

    1992-01-01

    A dish reflector and method for concentrating moderate solar flux uniformly on a target plane on a solar cell array, the dish having a stepped reflective surface that is characterized by a plurality of ring-like segments arranged about a common axis, and each segment having a concave spherical configuration.

  20. Method and apparatus for uniformly concentrating solar flux for photovoltaic applications

    SciTech Connect

    Jorgensen, G.J.; Carasso, M.; Wendelin, T.J.; Lewandowski, A.A.

    1991-01-01

    This invention is comprised of a dish reflector and method for concentrating moderate solar flux uniformly on a target plane on a solar cell array, the dish having a stepped reflective surface that is characterized by a plurality of ring-like segments arranged about a common axis, and each segment having a concave spherical configuration.

  1. Energy Department Announces New Concentrating Solar Power Technology

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Investments to American Industry, Universities | Department of Energy Concentrating Solar Power Technology Investments to American Industry, Universities Energy Department Announces New Concentrating Solar Power Technology Investments to American Industry, Universities June 13, 2012 - 2:28pm Addthis NEWS MEDIA CONTACT (202) 586-4940 WASHINGTON - Building off investments in innovative solar photovoltaic technologies announced at the SunShot Grand Challenge Summit in Denver, Colorado earlier

  2. Enhanced photovoltaic performance of ultrathin Si solar cells via semiconductor nanocrystal sensitization: Energy transfer vs. optical coupling effects

    DOE PAGES [OSTI]

    Hoang, Son; Ashraf, Ahsan; Eisaman, Matthew D.; Nykypanchuk, Dmytro; Nam, Chang -Yong

    2015-12-07

    Excitonic energy transfer (ET) offers exciting opportunities for advances in optoelectronic devices such as solar cells. While recent experimental attempts have demonstrated its potential in both organic and inorganic photovoltaics (PVs), what remains to be addressed is quantitative understanding of how different ET modes contribute to PV performance and how ET contribution is differentiated from the classical optical coupling (OC) effects. In this study, we implement an ET scheme using a PV device platform, comprising CdSe/ZnS nanocrystal energy donor and 500 nm-thick ultrathin Si acceptor layers, and present the quantitative mechanistic description of how different ET modes, distinguished from themore » OC effects, increase the light absorption and PV efficiency. We find that nanocrystal sensitization enhances the short circuit current of ultrathin Si solar cells by up to 35%, of which the efficient ET, primarily driven by a long-range radiative mode, contributes to 38% of the total current enhancement. Lastly, these results not only confirm the positive impact of ET but also provide a guideline for rationally combining the ET and OC effects for improved light harvesting in PV and other optoelectronic devices.« less

  3. NREL: Photovoltaics Research - Awards for Photovoltaic Manufacturing...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Awards for Photovoltaic Manufacturing R&D The following research efforts within the PV Manufacturing R&D Project were honored with prestigious industry awards. 1995-AstroPower (now ...

  4. Low Profile Power Conversion System for Rooftop Photovoltaic Power Systems

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    - Energy Innovation Portal 30062958 Site Map Printable Version Share this resource About Search Categories (15) Advanced Materials Biomass and Biofuels Building Energy Efficiency Electricity Transmission Energy Analysis Energy Storage Geothermal Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Solar Photovoltaic Solar Thermal Startup America Vehicles and Fuels Wind Energy Partners (27) Visual Patent Search Success Stories Find More Like This Return to Search Low

  5. Silicon purification melting for photovoltaic applications

    SciTech Connect

    VAN DEN AVYLE,JAMES A.; HO,PAULINE; GEE,JAMES M.

    2000-04-01

    The availability of polysilicon feedstock has become a major issue for the photovoltaic (PV) industry in recent years. Most of the current polysilicon feedstock is derived from rejected material from the semiconductor industry. However, the reject material can become scarce and more expensive during periods of expansion in the integrated-circuit industry. Continued rapid expansion of the PV crystalline-silicon industry will eventually require a dedicated supply of polysilicon feedstock to produce solar cells at lower costs. The photovoltaic industry can accept a lower purity polysilicon feedstock (solar-grade) compared to the semiconductor industry. The purity requirements and potential production techniques for solar-grade polysilicon have been reviewed. One interesting process from previous research involves reactive gas blowing of the molten silicon charge. As an example, Dosaj et all reported a reduction of metal and boron impurities from silicon melts using reactive gas blowing with 0{sub 2} and Cl{sub 2}. The same authors later reassessed their data and the literature, and concluded that Cl{sub 2}and 0{sub 2}/Cl{sub 2} gas blowing are only effective for removing Al, Ca, and Mg from the silicon melt. Researchers from Kawasaki Steel Corp. reported removal of B and C from silicon melts using reactive gas blowing with an 0{sub 2}/Ar plasma torch. Processes that purify the silicon melt are believed to be potentially much lower cost compared to present production methods that purify gas species.

  6. Photovoltaic Subcontract Program, FY 1990

    SciTech Connect

    Summers, K.A.

    1991-03-01

    This report summarizes the progress of the subcontracted photovoltaic (PV) research and development (R D) performed under the Photovoltaics Program at the Solar Energy Research Institute (SERI). The SERI subcontracted PV research and development represents most of the subcontracted R D that is funded by the US Department of Energy (DOE) National Photovoltaics Program. This report covers fiscal year (FY) 1990: October 1, 1989 through September 30, 1990. During FY 1990, the SERI PV program started to implement a new DOE subcontract initiative, entitled the Photovoltaic Manufacturing Technology (PVMaT) Project.'' Excluding (PVMaT) because it was in a start-up phase, in FY 1990 there were 54 subcontracts with a total annualized funding of approximately $11.9 million. Approximately two-thirds of those subcontracts were with universities, at a total funding of over $3.3 million. Cost sharing by industry added another $4.3 million to that $11.9 million of SERI PV subcontracted R D. The six technical sections of this report cover the previously ongoing areas of the subcontracted program: the Amorphous Silicon Research Project, Polycrystalline Thin Films, Crystalline Silicon Materials Research, High-Efficiency Concepts, the New Ideas Program, and the University Participation Program. Technical summaries of each of the subcontracted programs discuss approaches, major accomplishments in FY 1990, and future research directions. Another section introduces the PVMaT project and reports the progress since its inception in FY 1990. Highlights of technology transfer activities are also reported.

  7. Report of an exploratory study: safety and liability considerations for photovoltaic modules/panels, Low Cost Solar Array Project

    SciTech Connect

    Weinstein, A.S.; Meeker, D.G.

    1981-01-01

    Product safety and product liability considerations are explored for photovoltaic module/array devices. A general review of photovoltaic literature was made using computerized literature searches. A literature search was also made of relevant legal material as it applies to design. Recommendations are made to minimize or eliminate perceived hazards in manufacture and use of a photovoltaic module/array. (MHR)

  8. Solar Thermal Technologies - Energy Innovation Portal

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Technology Marketing Summaries Site Map Printable Version Share this resource About Search Categories (15) Advanced Materials Biomass and Biofuels Building Energy Efficiency Electricity Transmission Energy Analysis Energy Storage Geothermal Hydrogen and Fuel Cell Hydropower, Wave and Tidal Industrial Technologies Solar Photovoltaic Solar Thermal Marketing Summaries (39) Success Stories (1) Startup America Vehicles and Fuels Wind Energy Partners (27) Visual Patent Search Success Stories Browse

  9. DOE to Provide Up to $17.6 Million for Solar Photovoltaic Technology...

    Energy.gov [DOE] (indexed site)

    ... Through a series of novel yet low cost processing steps, this project will manufacture a solar cell architecture which efficiently traps light using minimal material. At the end of ...

  10. Photovoltaic-Reliability R&D Toward a Solar-Powered World (Presentation)

    SciTech Connect

    Kurtz, S.; Granata, J.

    2009-08-01

    Presentation about the importance of continued progress toward low-cost, high-reliability, and high-performance PV systems. High reliability is an essential element in achieving low-cost solar electricity.

  11. On the Path to SunShot: The Role of Advancements in Solar Photovoltaic...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    ... This work was funded by the Solar Energy Technologies Office ... IPCC Intergovernmental Panel on Climate Change ITC ... Parameters and Costs Tilt Angle for Module 25 o 25 o 15 o ...

  12. MAP: Watch 30 Years of U.S. Solar Industry Growth | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    MAP: Watch 30 Years of U.S. Solar Industry Growth MAP: Watch 30 Years of U.S. Solar Industry Growth January 30, 2015 - 10:25am Addthis 1984 Start Slow Stop Year Solar Plants Homes Powered 682 Solar Plants Online. Enough to Power 1.7 M Homes Source: Preliminary data from the 2013 EIA-860 report. Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs This week the Energy Department announced a new SunShot Technology-to-Market funding opportunity, providing

  13. SunShot Incubator Spurs Solar Industry Innovation | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Spurs Solar Industry Innovation SunShot Incubator Spurs Solar Industry Innovation November 18, 2011 - 11:15am Addthis As much as half of the price of solar energy, represented in red above graph, is made up of non-hardware costs. | Data source: Goodrich et al 2011. | Image courtesy of the Energy Department's SunShot Initiative. As much as half of the price of solar energy, represented in red above graph, is made up of non-hardware costs. | Data source: Goodrich et al 2011. | Image courtesy of

  14. Interagency Advanced Power Group Solar Photovoltaic Panel Fall meeting minutes, October 22, 1992

    SciTech Connect

    Not Available

    1992-12-31

    This report contains discussions on the following topics: Leaf, TPL, and {sup 60}Co Gamma source testing facilities; in-house photovolatic research effort; US Army`s interest developing small thermophotovoatic power source for a variety of missions; charging lead acid batteries with unregulated photovolatic panels; testing of solar array panels for space applications; polycrystalline CuInSe{sub 2} & CdTe PV solar cells and, current activities in the US photovolatic program.

  15. New Jersey Solar Power LLC NJ Solar Power | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Power LLC NJ Solar Power Jump to: navigation, search Name: New Jersey Solar Power LLC (NJ Solar Power) Place: New Jersey Sector: Solar Product: A photovoltaic engineering...

  16. Feasibility Study of Economics and Performance of Solar Photovoltaics in the Commonwealth of Puerto Rico

    SciTech Connect

    Salasovich, J.; Mosey, G.

    2011-03-01

    This report presents the results of an assessment of the technical and economic feasibility of deploying a photovoltaics (PV) system on brownfield sites in the Commonwealth of Puerto Rico. All of the assessed sites are landfills. The sites were assessed for possible PV installations. The cost, performance, and site impacts of different PV options were estimated. The economics of the potential systems were analyzed using an electric rate of $0.119/kWh and incentives offered by Puerto Rico and by the serving utility, PREPA. According to the site production calculations, the most cost-effective system in terms of return on investment is the thin-film fixed-tilt technology. The report recommends financing options that could assist in the implementation of such a system.

  17. Central-station solar photovoltaic systems: Field layout, tracker, and array geometry sensitivity studies

    SciTech Connect

    Gordon, J.M.; Wenger, H.J. Ben-Gurion Univ. of the Negev, Beersheva )

    1991-01-01

    The optimal design of central-station photovoltaic (PV) systems depends, among other factors, on the field layout of PV arrays, PV array geometry, tracking constraints, and intermodule electrical connections. The authors illustrate the sensitivity of yearly PV system energy delivery losses that stem form inter-array shading as a function of key field, tracker, and array-related variables for flat-plates. The results turn out, to an excellent approximation, to be independent of site. They quantitatively assess the magnitude of series/parallel module connections, and bypass diode placement within arrays, on energy losses attributable to inter-array shading. The sensitivity to key design parameters is also found to be predicted accurately by calculations of collectible energy only. As such, the calculations are of general value for rapid yet accurate PV system analysis and optimization.

  18. Impact of Different Economic Performance Metrics on the Perceived Value of Solar Photovoltaics

    SciTech Connect

    Drury, E.; Denholm, P.; Margolis, R.

    2011-10-01

    Photovoltaic (PV) systems are installed by several types of market participants, ranging from residential customers to large-scale project developers and utilities. Each type of market participant frequently uses a different economic performance metric to characterize PV value because they are looking for different types of returns from a PV investment. This report finds that different economic performance metrics frequently show different price thresholds for when a PV investment becomes profitable or attractive. Several project parameters, such as financing terms, can have a significant impact on some metrics [e.g., internal rate of return (IRR), net present value (NPV), and benefit-to-cost (B/C) ratio] while having a minimal impact on other metrics (e.g., simple payback time). As such, the choice of economic performance metric by different customer types can significantly shape each customer's perception of PV investment value and ultimately their adoption decision.

  19. Transparent, near-infrared organic photovoltaic solar cells for window and energy-scavenging applications

    SciTech Connect

    Lunt, Richard R; Bulovic, Vladimir

    2011-03-14

    We fabricate near-infrared absorbing organic photovoltaics that are highly transparent to visible light. By optimizing near-infrared optical-interference, we demonstrate power efficiencies of 1.3±0.1% with simultaneous average visible transmission of >65% . Subsequent incorporation of near-infrared distributed-Bragg-reflector mirrors leads to an increase in the efficiency to 1.7±0.1% , approaching the 2.4±0.2% efficiency of the opaque cell, while maintaining high visible-transparency of >55% . Finally, we demonstrate that a series-integrated array of these transparent cells is capable of powering electronic devices under near-ambient lighting. This architecture suggests strategies for high-efficiency power-generating windows and highlights an application uniquely benefiting from excitonic electronics.

  20. Selling the solar home '80: market findings for the housing industry

    SciTech Connect

    Not Available

    1980-01-01

    An overview of the current 1980's market for solar heated and cooled houses is presented. The study is based on the first, second, and third demonstration program grants awarded by HUD under the Solar Heating and Cooling Demonstration Act of 1974. The market data collection process included interviews with industry, public officials, and consumers. Profiles are provided of the typical demonstration solar house, builder, and purchaser. Considerations in planning the solar home and designing and building the home for the local market are reviewed. The attitudes and interests of the potential solar home purchaser are discussed and a profile of buyers and nonbuyers is presented; frequently asked questions are listed. Techniques and promotional tools for attracting solar home buyers are reviewed and the reactions of purchasers living in a solar house are cited. The general outlook for the solar housing market is discussed and is considered encouraging.

  1. Hybrid Photovoltaic/Thermal Systems with a Solar-Assisted Heat Pump

    SciTech Connect

    Kush, E. A.

    1980-01-01

    An outline of possibilities for effective use of PV/T collectors with a Solar Assisted Heat Pump is given. A quantitative analysis of the performance and cost of the various configurations as a function of regional climates, using up-to-date results from solar heat pump and PV/T collector studies, will be required for more definitive assessment; and it is recommended that these be undertaken in the PV/T Program. Particular attention should be paid to development of high performance PV/T collectors, matching of heat pump electrical system to PV array and power conditioning characteristics, and optimization of storage options for cost effectiveness and utility impact.

  2. Radiation resistance of thin-film solar cells for space photovoltaic power

    SciTech Connect

    Woodyard, J.R.; Landis, G.A.

    1991-01-01

    Copper indium diselenide, cadmium telluride, and amorphous silicon alloy solar cells have achieved noteworthy performance and are currently being studied for space power applications. Cadmium sulfide cells had been the subject of much effort but are no longer considered for space applications. A review is presented of what is known about the radiation degradation of thin film solar cells in space. Experimental cadmium telluride and amorphous silicon alloy cells are reviewed. Damage mechanisms and radiation induced defect generation and passivation in the amorphous silicon alloy cell are discussed in detail due to the greater amount of experimental data available.

  3. 3S Industries AG Formerly 3S Swiss Solar Systems AG | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    search Name: 3S Industries AG (Formerly 3S Swiss Solar Systems AG) Place: Bern, Switzerland Zip: CH-3006 Product: Swiss-based manufacturer of manual and semi-automatic PV...

  4. Opportunities and Challenges for Development of a Mature Concentrating Photovoltaic Power Industry (Revision)

    SciTech Connect

    Kurtz, S.

    2012-11-01

    This report summarizes the current status of the CPV industry and is updated from previous versions to include information from the last year. New information presented at the CPV-8 conference is included along with the addition of new companies that have announced their interest in CPV, and estimates of production volumes for 2011 and 2012.

  5. Awards for Photovoltaic Manufacturing R&D | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Awards for Photovoltaic Manufacturing R&D The following research efforts within the PV Manufacturing R&D Project were honored with prestigious industry awards. 1995-AstroPower (now GE Energy): Received an R&D 100 Award for its Silicon-Film product, which combined the performance and stability of conventional crystalline-silicon-based solar cells with the low cost of sheet-material production. 1998-Ascension Technology and Advanced Energy Systems: Recipients of Popular Science's

  6. Breakthrough Furnace Can Cut Solar Industry Costs (Fact Sheet)

    SciTech Connect

    Not Available

    2013-08-01

    A game-changing Optical Cavity Furnace (OCF), developed by NREL, uses optics to heat and purify solar cells at unmatched precision, while also boosting the cells' efficiency.

  7. Solar Industry At Work: Video Interview with Alta Devices' Laila Mattos |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Industry At Work: Video Interview with Alta Devices' Laila Mattos Solar Industry At Work: Video Interview with Alta Devices' Laila Mattos June 6, 2012 - 12:07pm Addthis Laila Mattos talks about her work life at Alta Devices -- a solar company based in Silicon Valley. | Video by Hantz Leger. Erin R. Pierce Erin R. Pierce Former Digital Communications Specialist, Office of Public Affairs What is this video about? Laila Mattos, a technology manager at Alta Devices, talks

  8. Hybrid solar thermal-photovoltaic systems demonstration, Phase I and II. Final technical progress report, July 5, 1979-December 1982

    SciTech Connect

    Loferski, J.J.

    1983-12-01

    The purpose of the project is to investigate a system based on combined photovoltaic/thermal (PV/T) panels to supply the energy needs of a small single family residence. The system finally selected and constructed uses PV/T panels which utilize air as the heat transfer medium. Optimization of thermal performance was accomplished by attaching metal fins to the back surface of each cell which significantly increased the heat transfer coefficient from the solar cells to the air stream. The other major components of the selected system are an air-to-air heat pump, a rock bin thermal energy storage bin, a synchronous dc-to-ac converter, a microprocessor to control the system, a heat exchanger for the domestic hot water system and of course the building itself which is a one story, well insulated structure having a floor area of 1200 ft/sup 2/. A prototype collector was constructed and tested. Based on this experience, twenty collectors, containing 2860 four inch diameter solar cells, were constructed and installed on the building. Performance of the system was simulated using a TRNSYS-derived program, modified to accommodate PV/T panels and to include the particular components included in the selected system. Simulation of the performance showed that about 65 percent of the total annual energy needs of the building would be provided by the PV/T system. Of this total, about one half is produced at a time when it can be used in the building and one half must be sold back to the utility.

  9. Hydrogenated TiO{sub 2} film for enhancing photovoltaic properties of solar cells and self-sensitized effect

    SciTech Connect

    He, Hongcai; Yang, Kui; Wang, Ning Luo, Feifei; Chen, Haijun

    2013-12-07

    Hydrogenated TiO{sub 2} film was obtained by annealing TiO{sub 2} film at 350 °C for 2 h with hydrogen, and TiO{sub 2} films were prepared by screen printing on fluorine-doped tin oxide glass. Structural characterization by X-ray diffraction and electron microscopy did not show obvious difference between hydrogenated TiO{sub 2} film and pristine TiO{sub 2} film. Through optical and electrochemical characterization, the hydrogenated TiO{sub 2} film showed enhanced absorption and narrowed band gap, as well as reduced TiO{sub 2} surface impedance and dark current. As a result, an obviously enhanced photovoltaic effect was observed in the solar cell with hydrogenated TiO{sub 2} as photoanode without adding any dye due to the self-sensitized effect of hydrogenated TiO{sub 2} film, which excited electrons injecting internal conduction band of TiO{sub 2} to generate more photocurrent.

  10. Canrom Photovoltaics Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Canrom Photovoltaics Inc Jump to: navigation, search Name: Canrom Photovoltaics Inc Place: Niagara Falls, New York Zip: 14305 Sector: Solar Product: Developer of a thin-film CdTe...

  11. Photovoltaic Cell Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Cell Basics Photovoltaic Cell Basics August 16, 2013 - 4:53pm Addthis Photovoltaic (PV) cells, or solar cells, take advantage of the photoelectric effect to produce electricity. PV ...

  12. Concentrator Photovoltaic System Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Concentrator Photovoltaic System Basics August 20, 2013 - 4:12pm Addthis Concentrator photovoltaic (PV) systems use less solar cell material than other PV systems. PV cells are the ...

  13. ULTRA BARRIER TOPSHEET (UBT) FOR FLEXIBLE PHOTOVOLTAICS

    SciTech Connect

    DeScioli, Derek

    2013-06-01

    This slide-show presents 3M photovoltaic-related products, particularly flexible components. Emphasis is on the 3M Ultra Barrier Solar Films. Topics covered include reliability and qualification testing and flexible photovoltaic encapsulation costs.

  14. Impacts of Variability and Uncertainty in Solar Photovoltaic Generation at Multiple Timescales

    SciTech Connect

    Ela, E.; Diakov, V.; Ibanez, E.; Heaney, M.

    2013-05-01

    The characteristics of variability and uncertainty of PV solar power have been studied extensively. These characteristics can create challenges for system operators who must ensure a balance between generation and demand while obeying power system constraints at the lowest possible cost. A number of studies have looked at the impact of wind power plants, and some recent studies have also included solar PV. The simulations that are used in these studies, however, are typically fixed to one time resolution. This makes it difficult to analyze the variability across several timescales. In this study, we use a simulation tool that has the ability to evaluate both the economic and reliability impacts of PV variability and uncertainty at multiple timescales. This information should help system operators better prepare for increases of PV on their systems and develop improved mitigation strategies to better integrate PV with enhanced reliability. Another goal of this study is to understand how different mitigation strategies and methods can improve the integration of solar power more reliably and efficiently.

  15. Upscaling Perovskite Solar Cells via Industrial Roll-to-Roll Processes |

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    MIT-Harvard Center for Excitonics Upscaling Perovskite Solar Cells via Industrial Roll-to-Roll Processes April 7, 2016 at 3:00PM/34-401B Doojin Vak Commonwealth Scientific and Industrial Research Organisation, Australia Doojin_Vak-2 Perovskite solar cells have emerged as the most promising third-generation solar cells with a rapid increase in record efficiencies. However, most of these devices have been made by processes that are not scalable, typically spin coating. The next challenge in

  16. Solar Fundamentals Volume 1: Technology

    Energy.gov [DOE]

    This report is one component of a multi-part series publication to assist in educating th'se seeking to become more familiar with the solar industry. This volume introduces solar technologies, explaining each technology’s applications, the components that make up a photovoltaic system, and how they can be used to optimize energy generation. This report explains solar insolation and how it impacts energy generation in illustrating where solar energy is a viable option. A final section highlights important considerations in solar project siting to maximize system production and avoid unexpected project development challenges.

  17. Photovoltaic power generation system free of bypass diodes

    SciTech Connect

    Lentine, Anthony L.; Okandan, Murat; Nielson, Gregory N.

    2015-07-28

    A photovoltaic power generation system that includes a solar panel that is free of bypass diodes is described herein. The solar panel includes a plurality of photovoltaic sub-modules, wherein at least two of photovoltaic sub-modules in the plurality of photovoltaic sub-modules are electrically connected in parallel. A photovoltaic sub-module includes a plurality of groups of electrically connected photovoltaic cells, wherein at least two of the groups are electrically connected in series. A photovoltaic group includes a plurality of strings of photovoltaic cells, wherein a string of photovoltaic cells comprises a plurality of photovoltaic cells electrically connected in series. The strings of photovoltaic cells are electrically connected in parallel, and the photovoltaic cells are microsystem-enabled photovoltaic cells.

  18. Oil companies and photovoltaics: a potential monopoly

    SciTech Connect

    Wilcox, R.L.

    1981-11-01

    Oil companies are rapidly acquiring a huge share of the photovoltaics (PV) industry, causing concern by some solar advocates that PV ultimately might be controlled by large companies with no immediate incentive to develop the technology. A review of antitrust laws reveals they are only minimally applicable to a new field such as PV. Federal legislation preventing further oil company investments is not necessarily the best approach to keeping the PV industry healthy, financially as well as competitively. Instead, the government should encourage competition by providing financial assistance for small PV businesses.

  19. City of Boulder - Solar Access Ordinance | Department of Energy

    Energy.gov [DOE] (indexed site)

    Construction Local Government Residential Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Thermal Electric Solar Photovoltaics Program Info Sector Name...

  20. Agua Caliente Solar Project | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search Name Agua Caliente Solar Project Facility 290-megawatt photovoltaic solar generating facility Sector Solar Facility Type Utility scale solar Owner...

  1. Residential Solar Energy Property Tax Exemption | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Property Tax Exemption Residential Solar Energy Property Tax Exemption < Back Eligibility Residential Savings Category Solar Water Heat Solar Space Heat Solar Photovoltaics...

  2. Charge transport in zirconium doped anatase nanowires dye-sensitized solar cells: Trade-off between lattice strain and photovoltaic parameters

    SciTech Connect

    Archana, P. S.; Gupta, Arunava; Yusoff, Mashitah M.; Jose, Rajan

    2014-10-13

    Zirconium (Zr) is doped up to 5 at.?% in anatase TiO{sub 2} nanowires by electrospinning and used as working electrode in dye-sensitized solar cells. Variations observed in the photovoltaic parameters were correlated by electrochemical impedance spectroscopy, open circuit voltage decay, and X-ray diffraction measurements. Results show that homovalent substitution of Zr in TiO{sub 2} increased the chemical capacitance and electron diffusion coefficient which in turn decreased charge transport resistance and charge transit time. However, lattice strain due to size mismatch between the Zr{sup 4+} and Ti{sup 4+} ions decreased open circuit voltage and fill factor thereby setting a trade-off between doping concentration and photovoltaic properties.

  3. AV Solar Ranch I Solar Power Plant | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    AV Solar Ranch I Solar Power Plant Jump to: navigation, search Name AV Solar Ranch I Solar Power Plant Facility AV Solar Ranch I Sector Solar Facility Type Photovoltaic Developer...

  4. NREL: Photovoltaics Research - NCPV Partnering Opportunities...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Opportunities for Industry The National Center for Photovoltaics (NCPV) provides several non-proprietary and proprietary partnering opportunities for industry researchers. We are...

  5. Solar House in Maummee, Ohio

    Energy.gov [DOE]

    This photograph features a home in Maumee, Ohio, built by Decker Homes of Lambertville, Michigan, with a photovoltaic (PV) solar electric system that uses building integrated photovoltaic (BIPV)...

  6. Topaz Solar Farm Solar Power Plant | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Topaz Solar Farm Sector Solar Facility Type Photovoltaic Developer OptiSolar Location San Luis Obispo County, California Coordinates 35.3102296, -120.4357631 Show Map...

  7. NREL Report Says Insurance Industry Can Benefit by Using Solar...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    report discusses the impact of natural catastrophes on the insurance industry, the effect of power outages on businesses and people and the risks of portable power generators. ...

  8. Residential Solar Investment Program

    Energy.gov [DOE]

    In March 2012, the CT Green Bank* unveiled its solar photovoltaic residential investment program with the ultimate goal to support 30 megawatts of residential solar photovoltaics (PV). HB 6838...

  9. Solar Technologies | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Place: Dubai, United Arab Emirates Sector: Solar Product: Dubai-based solar photovoltaic module manufacturing company. References: Solar Technologies1 This article is a...

  10. Ordered defect compounds in CuInSe{sub 2} for photovoltaic solar cell application

    SciTech Connect

    Sato, K.; Katayama-Yoshida, H.

    2014-02-21

    Due to the complete compensation, defect complex (2V{sub Cu}+In{sub Cu}), namely two Cu vacancies and In located at Cu site, is stable in CuInSe{sub 2} (CIS). It is known that the series of ordered defect compounds (ODC) are constracted by ordering the defect complex. Based on the total energy calcalation by using the Korringa-Kohn-Rostoker coherent potential approxiamtion (KKR-CPA) method, we discuss phase separation of the CIS with the defect complexes into ODC and CIS. Since the band alignment between ODC and CIS is calculated to be type 2, effective electron-hole separation at the interface between ODC and CIS can be expected. This causes the enhancement of conversion efficiency of CIS-based solar cell materials.

  11. Low Cost, Light Weight SOlar Modules Based on Organic Photovoltaic Technology

    SciTech Connect

    Russell Gaudiana; David GInley; Robert Birkmeyer

    2009-09-20

    Objectives - In order to produce solar modules for rooftop applications the performance and the lifetime must be improved to 5% - 7% and >10 year life. Task 1 Stability - (1) Flexible modules are stable to 1000 hrs at 65 C/85%RH, (2) Flexible modules in glass are stable to >2000 hrs at 85 C/85%RH (no decrease in performance); (3) Adhesive + filler helps stabilize modules; and (4) Solution coatable barriers exhibit good WVTR; work in-progress. Task 2 Performance: n-type charge carriers - (1) N-type polymers could not be synthesized; and (2) More than 30 fullerene derivatives synthesized and tested, Several deep LUMO derivatives accept charge from deep LUMO polymers, higher voltage observed, Improvement in cell efficiency not observed, morphology problem. Task 3 Performance: grid electrode - (1) Exceeded flatness and roughness goals; (2) Exceeds sheet resistance goals; (3) Achieved %T goals; and (4) Performance equivalent to ITO - 2% Efficiency ( av.); work in-progress.

  12. Breakthrough Furnace Can Cut Solar Costs - News Feature | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Breakthrough Furnace Can Cut Solar Costs October 21, 2011 In this photo, the cavity inside the furnace is glowing white-hot during a simulated firing, while a drawer-like door is open to show the mouth of the furnace. Enlarge image The cavity inside the Solar Optical Furnace glows white hot during a simulated firing of a solar cell. Credit: Dennis Schroeder Solar cells, the heart of the photovoltaic industry, must be tested for mechanical strength, oxidized, annealed, purified, diffused, etched,

  13. DOE Invests $20 Million in U.S. Solar Manufacturing and Advanced

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Photovoltaic Technologies | Department of Energy Invests $20 Million in U.S. Solar Manufacturing and Advanced Photovoltaic Technologies DOE Invests $20 Million in U.S. Solar Manufacturing and Advanced Photovoltaic Technologies February 4, 2011 - 4:10pm Addthis As part of the U.S. Department of Energy's SunShot Initiative, DOE is investing up to $20.3 million in innovative projects to strengthen the U.S. solar manufacturing industry, improve manufacturing efficiencies, and reduce costs. This

  14. Crystalline Silicon Photovoltaics Research | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Crystalline Silicon Photovoltaics Research Crystalline Silicon Photovoltaics Research DOE supports crystalline silicon photovoltaic (PV) research and development efforts that lead to market-ready technologies. Below are a list of the projects, summary of the benefits, and discussion on the production and manufacturing of this solar technology. Background Crystalline silicon PV cells are the most common solar cells used in commercially available solar panels, representing more than 85% of world

  15. SERC Photovoltaics for Residential Buildings Webinar Transcript |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy Photovoltaics for Residential Buildings Webinar Transcript SERC Photovoltaics for Residential Buildings Webinar Transcript A presentation sponsored by the U.S. Department of Energy about using solar photovoltaics (PV) systems to provide electricity for homes. 20110125_pv_webinar.pdf (109.9 KB) More Documents & Publications Sustainable Energy Resources for Consumers (SERC) - Solar Hot Water Solar Webinar Text Version TAP Webcast Transcript July-29, 2009

  16. Sandia Photovoltaic Vehicle receives GreenGov Presidential Award...

    National Nuclear Security Administration (NNSA)

    photovoltaic vehicle team for incorporating technology and solar power to promote energy efficiency." The solar-powered vehicle was developed by a cross-functional Sandia team ...

  17. Sandia Energy - Launch of Solar Testing Site in Vermont

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Home Renewable Energy Energy Facilities Partnership News SunShot News & Events Photovoltaic Solar Solar Newsletter Photovoltaic Regional Testing Center (PV RTC) Launch of...

  18. Research & Development Needs for Building-Integrated Solar Technologie...

    Energy.gov [DOE] (indexed site)

    and cooling, water heating, hybrid photovoltaic-thermal systems (PVT), active solar ... Home Technologies: Solar Thermal & Photovoltaic Systems; Volume 6 Building America ...

  19. SolarPower Restoration Systems Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Solar Product: SolarPower Restoration Systems is pursuing Building Integrated Photovoltaics (BIPV) systems and large scale Photovoltaic Power (PV) Array Systems over concrete...

  20. Holes Are a Positive Thing: Designing Conductors for Solar Photovoltai...

    Office of Science (SC)

    Holes Are a Positive Thing: Designing Conductors for Solar Photovoltaics Basic Energy ... Holes Are a Positive Thing: Designing Conductors for Solar Photovoltaics Predicted by ...

  1. Department of Veterans Affairs, FONSI - Ground mounted solar...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Ground mounted solar photovoltaic power at San Joaquin National Cemetery Department of Veterans Affairs, FONSI - Ground mounted solar photovoltaic power at San Joaquin National ...

  2. High Efficiency Multiple-Junction Solar Cells - Energy Innovation...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Photovoltaic Solar Photovoltaic Find More Like This Return to Search High ... Reduces a satellite mass and cell array size Reduces launch and maintenance costs Increases ...

  3. Solar-to-Hydrogen Photovoltaic/Photoelectrochemical Devices Using Amorphous Silicon Carbide as the Photoelectrode

    SciTech Connect

    Hu, J.; Zhu, F.; Matulionis, I.; Kunrath, A.; Deutsch, T.; Kuritzky, L.; Miller, E.; Madan, A.

    2008-01-01

    We report the use of hydrogenated amorphous silicon carbide (a-SiC:H) prepared by plasma enhanced chemical vapor deposition (PECVD) as the photoelectrode in an integrated 'hybrid' photoelectrochemical (PEC) cell to produce hydrogen directly from water using sunlight. Results on the durability of hydrogenated amorphous silicon carbide (a-SiC:H) photoelectrodes in an electrolyte are presented. In a pH2 electrolyte, the a-SiC:H photoelectrode exhibits excellent stability for 100 hour test so far performed. A photocurrent onset shift (anodically) after a 24- or 100-hour durability test in electrolyte is observed, likely due to changes in the surface chemical structure of the a-SiC:H photoelectrode. It is also observed that a thin SiOx layer native to the air exposed surface of the a-SiC:H affects the photocurrent and the its onset shift. Finally, approaches for eliminating the external bias voltage and enhancing the solar-to-hydrogen efficiency in a PV/PEC hybrid structure to achieve {>=} 10% are presented.

  4. Progress in solar engineering

    SciTech Connect

    Yogi Goswami, D.

    1987-01-01

    This book presents reviews of various areas of solar energy technology, including wind energy technology and ocean thermal energy conversion (OTEC). It also identifies and suggests needs and future directions of research and development. The subjects covered in this book include solar thermal power technology, solar thermal storage, solar ponds, industrial process heat, solar water heating, active and passive solar cooling methods, low-cost collector development, photovoltaic research and applications, wind energy technology, and OTEC. Also covered are the status of the technology, basic and applied research, design and analysis methods, and performance and operational experiences of various systems. The book will thus be helpful as a review of various solar, wind, and OTEC technologies.

  5. Sandia Energy - Microsystems Enabled Photovoltaics (MEPV)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    About MEPV Researchers at Sandia National Laboratories are pioneering solar photovoltaic (PV) technologies that are cheaper to produce and easier to install than...

  6. Photovoltaic Silicon Cell Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... More Information Learn more about these solar cell materials: Polycrystalline Thin Films Single-Crystalline Thin Films Addthis Related Articles Photovoltaic Cell Material Basics ...

  7. NREL: Photovoltaics Research - News Release Archives

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    April 14, 2015 NREL Releases Report Describing Guidelines for PV Manufacturer Quality ... group has released new best practices guidelines for solar photovoltaic (PV) systems, ...

  8. Nanocrystal and Molecular Precursors for Photovoltaic Applications...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Nanocrystal and Molecular Precursors for Photovoltaic Applications The objective in this proposal is to identify factors that limit the efficiency of nanocrystal based solar cells...

  9. Photovoltaics Economic Calculator (United States) | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    (United States) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Photovoltaics Economic Calculator (United States) Focus Area: Solar Topics: System & Application...

  10. NREL: Photovoltaics Research - Keith A. Emery

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Responsivity Measurements," Proc. 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion, Joint Research Center report EUR 18656, p. 2298, 1998. T. Moriarty...

  11. Photovoltaic Systems Installed in Philadelphia Neighborhood

    Office of Energy Efficiency and Renewable Energy (EERE)

    This photograph features the 6-kilowatt (kw) rooftop photovoltaic system that Mercury Solar Systems installed in the Lower Kensington neighborhood of Philadelphia.

  12. PROJECT PROFILE: Additively Manufactured Photovoltaic Inverter...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Integrating hundreds of gigawatts of photovoltaic (PV) solar power onto our country's electric grid requires transformative power conversion system designs that find a balance ...

  13. NREL: Photovoltaics Research - Pholtovoltaic System Performance...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Pholtovoltaic System Performance Data Photo looking north-northwest at solar panels aligned ... Printable Version Photovoltaics Research Home Polycrystalline Thin Films Multijunctions ...

  14. NREL: Photovoltaics Research - News Release Archives

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Department's National Renewable Energy Laboratory ... Photovoltaic (PV) Pricing Trends: Historical, Recent, and Near-Term ... (PV) solar energy systems, according to a ...

  15. Building America Case Study: Photovoltaic Systems with Module-Level Power Electronics

    SciTech Connect

    2015-09-01

    Direct current (DC) power optimizers and microinverters (together known as module-level power electronics, or MLPE) are one of the fastest growing market segments in the solar industry. According to GTM Research in The Global PV Inverter Landscape 2015, over 55% of all residential photovoltaic (PV) installations in the United States used some form of MLPE in 2014.

  16. Best Practices for Siting Solar Photovoltaics on Municipal Solid Waste Landfills. A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites

    SciTech Connect

    Kiatreungwattana, K.; Mosey, G.; Jones-Johnson, S.; Dufficy, C.; Bourg, J.; Conroy, A.; Keenan, M.; Michaud, W.; Brown, K.

    2013-04-01

    The Environmental Protection Agency and the National Renewable Energy Laboratory developed this best practices document to address common technical challenges for siting solar photovoltaics (PV) on municipal solid waste (MSW) landfills. The purpose of this document is to promote the use of MSW landfills for solar energy systems. Closed landfills and portions of active landfills with closed cells represent thousands of acres of property that may be suitable for siting solar photovoltaics (PV). These closed landfills may be suitable for near-term construction, making these sites strong candidate to take advantage of the 30% Federal Business Energy Investment Tax Credit. It was prepared in response to the increasing interest in siting renewable energy on landfills from solar developers; landfill owners; and federal, state, and local governments. It contains examples of solar PV projects on landfills and technical considerations and best practices that were gathered from examining the implementation of several of these projects.

  17. Solar Power Basics

    Office of Energy Efficiency and Renewable Energy (EERE)

    This video summarizes the process of generating solar electricity from photovoltaic and concentrating solar power technologies. Research, manufacturing, and usage across the United States is also...

  18. Solar Energy Technologies Program - Growing Solar Power Industry Brightens Job Market (Green Jobs)

    SciTech Connect

    2010-04-01

    U.S. solar power capacity is expanding rapidly as part of the national initiative to double renewable energy resources in three years. This growth is helping to generate many new, well-paid jobs in solar power for American workers.

  19. Solar Screenings and Implementation Assistance for Universities | State,

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    You are here Home » Solar Ready Vets® Solar Ready Vets® The SunShot Initiative's Solar Ready Vets® program connects our nation's skilled veterans to the solar energy industry, preparing them for careers as solar photovoltaic (PV) system solarreadyvets-color.png installers, sales representatives, system inspectors, and other solar-related occupations. Solar Ready Vets is enabled by the U.S. Department of Defense's SkillBridge initiative, which allows exiting military personnel to pursue

  20. Photovoltaic Research and Development - Small Innovative Projects in

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solar (PVRD-SIPS) | Department of Energy Research and Development - Small Innovative Projects in Solar (PVRD-SIPS) Photovoltaic Research and Development - Small Innovative Projects in Solar (PVRD-SIPS) Photovoltaic Research and Development – Small Innovative Projects in Solar (PVRD-SIPS) Small Innovative Projects in Solar (SIPS) is a part of the Photovoltaic Research and Development (PVRD) funding program, which is focused on improving the power conversion efficiency, fielded energy

  1. Denver International Airport Photovoltaic System

    Energy.gov [DOE]

    The Denver International Airport (DIA) features a 2-megawatt (MW) photovoltaic (PV) system. DIA also hosts to a second 1.6-MW system. Denver is a Solar America City.

  2. Salem Electric- Photovoltaic Rebate Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    Salem Electric offers a rebate to residential customers who install solar photovoltaic (PV) systems. The rebate offered is $600 for the first three kilowatts (kWs) installed and $300/kW for any...

  3. Solar feasibility study for site-specific industrial-process-heat applications. Final report

    SciTech Connect

    Murray, O.L.

    1980-03-18

    This study addresses the technical feasibility of solar energy in industrial process heat (IPH) applications in Mid-America. The study was one of two contracted efforts covering the MASEC 12-state region comprised of: Illinois, Michigan, North Dakota, Indiana, Minnesota, Ohio, Iowa, Missouri, South Dakota, Kansas, Nebraska, Wisconsin. The results of our study are encouraging to the potential future role of solar energy in supplying process heat to a varied range of industries and applications. We identified and developed Case Study documentation of twenty feasible solar IPH applications covering eight major SIC groups within the Mid-American region. The geographical distribution of these applications for the existing range of solar insolation levels are shown and the characteristics of the applications are summarized. The results of the study include process identification, analysis of process heat requirements, selection of preliminary solar system characteristics, and estimation of system performance and cost. These are included in each of the 20 Case Studies. The body of the report is divided into two primary discussion sections dealing with the Study Methodology employed in the effort and the Follow-On Potential of the identified applications with regard to possible demonstration projects. The 20 applications are rated with respect to their relative overall viability and procedures are discussed for possible demonstration project embarkment. Also, a possible extension of this present feasibility study for late-comer industrial firms expressing interest appears worthy of consideration.

  4. Photovoltaics: The next generation

    SciTech Connect

    Wilson, A.

    1986-08-01

    The development of photovoltaics in the United States, with a few notable exceptions, has been carried out by the oil industry. Companies such as Arco, Exxon, Mobil and Sohio have played a tremendously important role in bringing photovoltaic technology to its current state of development. Many of these companies are continuing very active programs in pv, including the investigation of new and potentially far-reaching technologies.

  5. Design considerations for solar industrial process heat systems: nontracking and line focus collector technologies

    SciTech Connect

    Kutscher, C.F.

    1981-03-01

    Items are listed that should be considered in each aspect of the design of a solar industrial process heat system. The collector technologies covered are flat-plate, evacuated tube, and line focus. Qualitative design considerations are stressed rather than specific design recommendations. (LEW)

  6. Photovoltaics (Fact Sheet)

    SciTech Connect

    DOE Solar Energy Technologies Program

    2011-10-13

    DOE works with national labs, academia, and industry to support the domestic photovoltaics (PV) industry and research enterprise. SunShot aims to achieve widespread, unsubsidized cost-competitiveness through an applied research and development (R&D) portfolio spanning PV materials, devices, and manufacturing technologies.

  7. Photovoltaics (Fact Sheet)

    SciTech Connect

    Not Available

    2011-10-01

    DOE works with national labs, academia, and industry to support the domestic photovoltaics (PV) industry and research enterprise. SunShot aims to achieve widespread, unsubsidized cost-competitiveness through an applied research and development (R&D) portfolio spanning PV materials, devices, and manufacturing technologies.

  8. The Relative Economic Merits of Storage and Combustion Turbines for Meeting Peak Capacity Requirements under Increased Penetration of Solar Photovoltaics

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    The Race to 7-Day Solar is On! The Race to 7-Day Solar is On! March 4, 2015 - 3:32pm Addthis Solar projects can be installed quickly, but red tape sometimes means lengthy delays. The Race to 7-Day Solar aims to change that. | Infographic by SunShot. Solar projects can be installed quickly, but red tape sometimes means lengthy delays. The Race to 7-Day Solar aims to change that. | Infographic by SunShot. Minh Le Minh Le Deputy Director, Solar Energy Technologies Office In the summer of 1969, the

  9. Photovoltaic Module Reliability Workshop 2013 | Department of...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... C.E. Packard, J.H. Wohlgemuth and S.R. Kurtz of NREL Highly Reliable Photovoltaic Solar Topology, Timothy Johnson of TenKsolar Solar Energy Research Institute for India ...

  10. Photovoltaic Cell Conversion Efficiency Basics | Department of...

    Energy Saver

    August 20, 2013 - 2:58pm Addthis The conversion efficiency of a photovoltaic (PV) cell, or solar cell, is the percentage of the solar energy shining on a PV device that is ...

  11. Insights on the influence of surface roughness on photovoltaic properties of state of the art copper indium gallium diselenide thin films solar cells

    SciTech Connect

    Jehl, Z.; Lincot, D.; Guillemoles, J. F.; Naghavi, N.; Bouttemy, M.; Gerard, I.; Etcheberry, A.; Voorwinden, G.; Powalla, M.

    2012-06-01

    The influence of Cu(In,Ga)Se{sub 2} (CIGSe) surface roughness on the photovoltaic parameters of state of the art devices is reported, highlighting the importance of the roughness of the as-grown CIGSe absorbers on solar cell efficiencies. As-grown CIGSe surface is progressively smoothed using a chemical etch, and characterized by SEM, AFM, XPS, {mu}-Raman spectroscopy, x-ray diffraction (XRD), and reflectivity. The decrease of roughness has no marked influence on crystal structure and surface composition of the absorber. The main effect is that the total reflectivity of the CIGSe surface increases with decreasing roughness. The samples are processed into solar cells and characterized by current-voltage measurements. While the open circuit voltage (V{sub oc}) and fill factor remain constant, the short circuit current (J{sub sc}) decreases markedly with decreasing roughness, resulting in a reduction of the solar cell efficiency from 14% down to 11%, which exceeds the expected decrease from increased reflectivity. Quantum efficiency and reflectivity measurements on complete cells are performed to analyze those effects. The influence of surface roughness on the theorical effective space charge region and diffusion length is based on a simple theoretical model. This paper discusses the comparison of CIGSe solar cells with n-i-p structures.

  12. Basic photovoltaic principles and methods

    SciTech Connect

    Hersch, P.; Zweibel, K.

    1982-02-01

    This book presents a nonmathematical explanation of the theory and design of photovoltaic (PV) solar cells and systems. The basic elements of PV are introduced: the photovoltaic effect, physical aspects of solar cell efficiency, the typical single-crystal silicon solar cell, advances in single-crystal silicon solar cells. This is followed by the designs of systems constructed from individual cells, including possible constructions for putting cells together and the equipment needed for a practical producer of electrical energy. The future of PV is then discussed. (LEW)

  13. Micro-Sized Photovoltaic Cells

    Office of Energy Efficiency and Renewable Energy (EERE)

    This photograph features Greg Nielson, a project leader at Sandia National Laboratoies. He holds a solar cell test prototype with a microscale lens array fastened above it. Together, the cell and lens help create a concentrated photovoltaic unit. The tiny cells could turn a person into a walking solar battery charger if they were fastened to flexible substrates molded around unusual shapes, such as clothing. The solar particles, fabricated of crystalline silicon, hold the potential for a variety of new applications. They are expected eventually to be less expensive and have greater efficiencies than current photovoltaic collectors that are pieced together with 6-inch- square solar wafers.

  14. Industry-backed Best Practices Guides Aim to Lower Financing Costs for

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Energy Systems - News Releases | NREL Industry-backed Best Practices Guides Aim to Lower Financing Costs for Solar Energy Systems March 31, 2015 The Solar Access to Public Capital (SAPC) working group has released new best practices guidelines for solar photovoltaic (PV) systems, with the goal of increasing investor confidence in the long-term viability of PV systems. The guides - SAPC Best Practices in PV System Installation and SAPC Best Practices in PV Operations and Maintenance -

  15. City of San Jose - Solar Access Design Guidelines | Department...

    Energy.gov [DOE] (indexed site)

    Solar - Passive Solar Water Heat Solar Space Heat Solar Photovoltaics Program Info Sector Name Local Website http:www.sanjoseca.govindex.aspx?NID1725 State California Program...

  16. Sandia Energy - Solar Glare Hazard Analysis Tool Available for...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Solar Glare Hazard Analysis Tool Available for Download Home Renewable Energy Energy News News & Events Photovoltaic Solar Solar Newsletter Solar Glare Hazard Analysis Tool...

  17. Solar and Wind Contractor Licensing | Department of Energy

    Energy.gov [DOE] (indexed site)

    < Back Eligibility InstallersContractors Savings Category Solar - Passive Solar Water Heat Solar Space Heat Solar Photovoltaics Wind (All) Wind (Small) Program Info Sector Name...

  18. Device Performance | Photovoltaic Research | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Device Performance In the National Center for Photovoltaics (NCPV) at NREL, the Device Performance group performs current-voltage, quantum efficiency, and other measurements on a wide range of photovoltaic cell and module technologies-including commercial, developmental, and research samples-for scientists in the photovoltaic industry and at universities. Our equipment and techniques are unparalleled, and the expertise of our current staff covers more than 190 person-years. Capabilities Our

  19. Economic status and prospects of solar thermal industrial heat

    SciTech Connect

    Williams, T.A.; Hale, M.J.

    1992-12-01

    This paper provides estimates of the levelized energy cost (LEC) of a mid-temperature parabolic trough system for three different development scenarios. A current technology case is developed that is representative of recent designs and costs for commercial systems, and is developed using data from a recent system installed in Tehachapi, California. The second scenario looks at design enhancements to the currenttechnology case as a way to increase annual energy output and decrease costs. The third scenario uses the annual energy output of the enhanced design, but allows for cost reductions that would be possible in higher volume production than currently exist. A simulation model was used to estimate the annual energy output from the system, and the results were combined with cost data in an economic analysis model. The study indicates that R D improvements in the current trough system show promise of reducing the (LEC) by about 40%. At higher production rates, the LEC of the solar system with R D improvements could potentially be reduced by over 50%.

  20. Economic status and prospects of solar thermal industrial heat

    SciTech Connect

    Williams, T.A.; Hale, M.J.

    1992-12-01

    This paper provides estimates of the levelized energy cost (LEC) of a mid-temperature parabolic trough system for three different development scenarios. A current technology case is developed that is representative of recent designs and costs for commercial systems, and is developed using data from a recent system installed in Tehachapi, California. The second scenario looks at design enhancements to the currenttechnology case as a way to increase annual energy output and decrease costs. The third scenario uses the annual energy output of the enhanced design, but allows for cost reductions that would be possible in higher volume production than currently exist. A simulation model was used to estimate the annual energy output from the system, and the results were combined with cost data in an economic analysis model. The study indicates that R&D improvements in the current trough system show promise of reducing the (LEC) by about 40%. At higher production rates, the LEC of the solar system with R&D improvements could potentially be reduced by over 50%.