Sample records for renewable power systems

  1. Renewable and Efficient Electric Power Systems

    E-Print Network [OSTI]

    Kammen, Daniel M.

    Renewable and Efficient Electric Power Systems Gilbert M. Masters Stanford University A JOHN WILEY & SONS, INC., PUBLICATION #12;#12;Renewable and Efficient Electric Power Systems #12;#12;Renewable and Efficient Electric Power Systems Gilbert M. Masters Stanford University A JOHN WILEY & SONS, INC

  2. Renewable Energy Powered Water Treatment Systems 

    E-Print Network [OSTI]

    Richards, Bryce S.; Schäfer, Andrea

    2009-01-01T23:59:59.000Z

    There are many motivations for choosing renewable energy technologies to provide the necessary energy to power water treatment systems for reuse and desalination. These range from the lack of an existing electricity grid, ...

  3. DYNAMIC MODELLING OF AUTONOMOUS POWER SYSTEMS INCLUDING RENEWABLE POWER SOURCES.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    (thermal, gas, diesel) and renewable (hydro, wind) power units. The objective is to assess the impact - that have a special dynamic behaviour, and the wind turbines. Detailed models for each one of the power system components are developed. Emphasis is given in the representation of different hydro power plant

  4. Power Systems Engineering Research Center Renewable Electricity Futures

    E-Print Network [OSTI]

    Van Veen, Barry D.

    Power Systems Engineering Research Center Renewable Electricity Futures Trieu Mai Electricity of the extent to which renewable energy supply can meet the electricity demands of the contiguous United States renewable electricity generation levels: from 30% up to 90% (focusing on 80%) of all U.S. electricity

  5. Ocean Renewable Power Co (ORPC) (TRL 7 8 System)- TidGen (TM) Power System Commercialization Project

    Broader source: Energy.gov [DOE]

    Ocean Renewable Power Co (ORPC) (TRL 7 8 System) - TidGen (TM) Power System Commercialization Project

  6. The RenewElec Project: Variable Renewable Energy and the Power System

    SciTech Connect (OSTI)

    Apt, Jay

    2014-02-14T23:59:59.000Z

    Variable energy resources, such as wind power, now produce about 4% of U.S. electricity. They can play a significantly expanded role if the U.S. adopts a systems approach that considers affordability, security and reliability. Reaching a 20-30% renewable portfolio standard goal is possible, but not without changes in the management and regulation of the power system, including accurately assessing and preparing for the operational effects of renewable generation. The RenewElec project will help the nation make the transition to the use of significant amounts of electric generation from variable and intermittent sources of renewable power.

  7. Renewable Power Systems | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty Edit with form History FacebookRegenesysRenewable Hawaii Inc Jump to:Renewable

  8. Renewable Energy Powered Membrane Technology. 1. Development and Characterization of a Photovoltaic Hybrid Membrane System 

    E-Print Network [OSTI]

    Schäfer, Andrea; Broeckmann, Andreas; Richards, Bryce

    2007-01-01T23:59:59.000Z

    the unavailability of power in many such situations, renewable energy is an obvious solution to power such systems. However, renewable energy is an intermittent power supply and with regards to the performance of intermittently operated desalination systems, only...

  9. Renewable Power Systems LLC | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro Industries Pvt Ltd Jump to: navigation, searchRayreviewAl.,RenGenAmes,RenewableRFLAverill

  10. Multi-Agent Systems and Control, Intelligent Robotics, and Cybernetics. Power Electronics, Renewable Energy, and Smart Grid.

    E-Print Network [OSTI]

    Wu, Yih-Min

    . Power Electronics, Renewable Energy, and Smart Grid. Computer Science and Engineering. Embedded Systems

  11. Purchasing Renewable Power | Department of Energy

    Energy Savers [EERE]

    Products & Technologies Renewable Energy Purchasing Renewable Power Purchasing Renewable Power Federal agencies can purchase renewable power or renewable energy certificates...

  12. A Method to Study the Effect of Renewable Resource Variability on Power System Dynamics

    E-Print Network [OSTI]

    Liberzon, Daniel

    1 A Method to Study the Effect of Renewable Resource Variability on Power System Dynamics Yu reliance on renewable resources, such as wind or solar. It is well known that the integration proposes a set-theoretic method to assess the effect of variability associated with renewable-based elec

  13. Purchasing Renewable Power

    Broader source: Energy.gov [DOE]

    Federal agencies can purchase renewable power or renewable energy certificates (RECs) from a utility or other organization to meet Federal renewable energy requirements. Renewable power and RECs are good choices for facilities where on-site projects may be difficult or capital budgets are limited.

  14. Turner Hunt Ocean Renewable (TRL 4 System) - THOR's Power Method...

    Broader source: Energy.gov (indexed) [DOE]

    More Documents & Publications CX-004722: Categorical Exclusion Determination Vortex Hydro Energy (TRL 5 6 System) - Advanced Integration of Power Take-Off in VIVACE Water Power...

  15. Transmission needs across a fully renewable European power system

    E-Print Network [OSTI]

    Rodriguez, Rolando A; Andresen, Gorm B; Heide, Dominik; Greiner, Martin

    2013-01-01T23:59:59.000Z

    The residual load and excess power generation of 27 European countries with a 100% penetration of variable renewable energy sources are explored in order to quantify the benefit of power transmission between countries. Estimates are based on extensive weather data, which allows for modelling of hourly mismatches between the demand and renewable generation from wind and solar photovoltaics. For separated countries, balancing is required to cover around 24% of the total annual energy consumption. This number can be reduced down to 15% once all countries are networked together with uncon- strained interconnectors. The reduction represents the maximum possible benefit of transmission for the countries. The total Net Transfer Capacity of the unconstrained interconnectors is roughly twelve times larger than current values. However, constrained interconnector capacities six times larger than the current values are found to provide 97% of the maximum possible benefit of cooperation. This motivates a detailed investig...

  16. Potential of wind-powered renewable energy membrane systems for Ghana 

    E-Print Network [OSTI]

    Park, G.L.; Schäfer, Andrea; Richard, B.S.

    2009-01-01T23:59:59.000Z

    Areas of the world that lack fresh water often have an ample supply of wind or solar energy, making renewable energy an attractive option as a power source for desalination systems. Particularly, wind energy is attractive because of its relatively...

  17. 2010 International Conference on Power System Technology Renewable energy integration: mechanism for

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    capacity that can integrate the wind energy blocks. Both the new grids and upgrade grid must have a stepped2010 International Conference on Power System Technology Renewable energy integration: mechanism with high uncertainty, as it usually happens with renewable energies. This work faces this problem

  18. The integration of renewable energy sources into electric power transmission systems

    SciTech Connect (OSTI)

    Barnes, P.R.; Dykas, W.P.; Kirby, B.J.; Purucker, S.L. [Oak Ridge National Lab., TN (United States); Lawler, J.S. [Univ. of Tennessee, Knoxville, TN (United States)

    1995-07-01T23:59:59.000Z

    Renewable energy technologies such as photovoltaics, solar thermal power plants, and wind turbines are nonconventional, environmentally attractive sources of energy that can be considered for electric power generation. Many of the areas with abundant renewable energy resources (very sunny or windy areas) are far removed from major load centers. Although electrical power can be transmitted over long distances of many hundreds of miles through high-voltage transmission lines, power transmission systems often operate near their limits with little excess capacity for new generation sources. This study assesses the available capacity of transmission systems in designated abundant renewable energy resource regions and identifies the requirements for high-capacity plant integration in selected cases. In general, about 50 MW of power from renewable sources can be integrated into existing transmission systems to supply local loads without transmission upgrades beyond the construction of a substation to connect to the grid. Except in the Southwest, significant investment to strengthen transmission systems will be required to support the development of high-capacity renewable sources of 1000 MW or greater in areas remote from major load centers. Cost estimates for new transmission facilities to integrate and dispatch some of these high-capacity renewable sources ranged from several million dollars to approximately one billion dollars, with the latter figure an increase in total investment of 35%, assuming that the renewable source is the only user of the transmission facility.

  19. Guide to Purchasing Green Power: Renewable Electricity, Renewable...

    Energy Savers [EERE]

    Guide to Purchasing Green Power: Renewable Electricity, Renewable Energy Certificates, and On-Site Renewable Generation Guide to Purchasing Green Power: Renewable Electricity,...

  20. Variable Renewable Generation can Provide Balancing Control to the Electric Power System (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2013-09-01T23:59:59.000Z

    As wind and solar plants become more common in the electric power system, they may be called on to provide grid support services to help maintain system reliability. For example, through the use of inertial response, primary frequency response, and automatic generation control (also called secondary frequency response), wind power can provide assistance in balancing the generation and load on the system. These active power (i.e., real power) control services have the potential to assist the electric power system in times of disturbances and during normal conditions while also potentially providing economic value to consumers and variable renewable generation owners. This one-page, two-sided fact sheet discusses the grid-friendly support and benefits renewables can provide to the electric power system.

  1. Topic 5: Renewable Power 1Networking and Distributed Systems

    E-Print Network [OSTI]

    Mohsenian-Rad, Hamed

    . · Desired choices (Renewable Sources): · Marine: Wave and Tidal · PV: Solar · Wind · Hydro #12;Carbon Tax Dr: ·Are influenced by the alignment of the sun and moon. #12;Tidal Energ

  2. Renewable Power Procurement Policy

    Broader source: Energy.gov [DOE]

    New York Governor George Pataki signed Executive Order No. 111 to promote "Green and Clean" State Buildings and Vehicles on June 10, 2001. The renewable-power procurement component of this order...

  3. The integration of renewable energy sources into electric power distribution systems. Volume 1: National assessment

    SciTech Connect (OSTI)

    Barnes, P.R.; Van Dyke, J.W. [Oak Ridge National Lab., TN (United States); Tesche, F.M. [6714 Norway Road, Dallas, TX (United States); Zaininger, H.W. [Zaininger Engineering Co., San Jose, CA (United States)

    1994-06-01T23:59:59.000Z

    Renewable energy technologies such as photovoltaic, solar thermal electricity, and wind turbine power are environmentally beneficial sources of electric power generation. The integration of renewable energy sources into electric power distribution systems can provide additional economic benefits because of a reduction in the losses associated with transmission and distribution lines. Benefits associated with the deferment of transmission and distribution investment may also be possible for cases where there is a high correlation between peak circuit load and renewable energy electric generation, such as photovoltaic systems in the Southwest. Case studies were conducted with actual power distribution system data for seven electric utilities with the participation of those utilities. Integrating renewable energy systems into electric power distribution systems increased the value of the benefits by about 20 to 55% above central station benefits in the national regional assessment. In the case studies presented in Vol. II, the range was larger: from a few percent to near 80% for a case where costly investments were deferred. In general, additional savings of at least 10 to 20% can be expected by integrating at the distribution level. Wind energy systems were found to be economical in good wind resource regions, whereas photovoltaic systems costs are presently a factor of 2.5 too expensive under the most favorable conditions.

  4. Dispersed power and renewables

    SciTech Connect (OSTI)

    O`Sullivan, J.B.

    1995-12-31T23:59:59.000Z

    Distributed power generation and renewable energy sources are discussed: The following topics are discussed: distributed resources, distributed generation, commercialization requirements, biomass power, location of existing biomass feedstocks, biomass business plan components, North Carolina BGCC partnership, New York biomass co-firing project, alfalfa for power and feed, Hawaii Pioneer Mill LOI project, next steps for biomass, wind power activity, photovoltaic modules and arrays, lead-acid batteries, superconducting magnetic energy storage, fuel cells, and electric power industry trends.

  5. 64 Home Power #30 August / September 1992 ny renewable energy system that

    E-Print Network [OSTI]

    Johnson, Eric E.

    by Underwriters Laboratories (UL)® for the manufacture and testing of residential, stand-alone PV inverters PV inverters might require that the ac output be isolated from the DC input and the chassis or case64 Home Power #30 · August / September 1992 ny renewable energy system that employs an inverter

  6. Risk Aware Robust Decision Making in Power Systems with Renewable Resources

    E-Print Network [OSTI]

    Thatte, Anupam Ajit

    2014-10-29T23:59:59.000Z

    the market participant’s point of view improved utilization of the renewable resource, through storage enabled energy arbitrage, can lead to better economic performance. The storage device can provide firming power to the output of the wind farm, enabling...

  7. Integration of Renewable Energy Sources in Future Power Systems: The Role of Storage

    E-Print Network [OSTI]

    Weitemeyer, Stefan; Vogt, Thomas; Agert, Carsten

    2014-01-01T23:59:59.000Z

    Integrating a high share of electricity from non-dispatchable Renewable Energy Sources in a power supply system is a challenging task. One option considered in many studies dealing with prospective power systems is the installation of storage devices to balance the fluctuations in power production. However, it is not yet clear how soon storage devices will be needed and how the integration process depends on different storage parameters. Using long-term solar and wind energy power production data series, we present a modelling approach to investigate the influence of storage size and efficiency on the pathway towards a 100% RES scenario. Applying our approach to data for Germany, we found that up to 50% of the overall electricity demand can be met by an optimum combination of wind and solar resources without both curtailment and storage devices if the remaining energy is provided by sufficiently flexible power plants. Our findings show further that the installation of small, but highly efficient storage devic...

  8. Kenninger Renewable Energy and Power Systems Seminar February 24, 2014 10:30 am Room ME 2054

    E-Print Network [OSTI]

    Ginzel, Matthew

    Kenninger Renewable Energy and Power Systems Seminar February 24, 2014 10:30 am Room ME 2054 Dr investigation on model wind farm operated in a wind tunnel have shown that power generated by turbines, are associated with 54% of the total energy transport from ATBL. The wind tunnel studies performed included model

  9. Agile Frequency Scaling for Adaptive Power Allocation in Many-core Systems Powered by Renewable Energy Sources

    E-Print Network [OSTI]

    Yang, Mei

    chips then will have to be powered by harvesting renewable energy. Renewable energy like solar energy Energy Sources Xiaohang Wang, Zhiming Li, Mei Yang, Yingtao Jiang, Masoud Daneshtalab, Terrence Mak of Nevada, Las Vegas, USA Email: mei.yang@unlv.edu, yingtao@egr.unlv.edu University of Turku, Finland Email

  10. EC417: Electric Energy Systems: Adapting to Renewable Resources Description: This course will present a detailed perspective of electric power systems

    E-Print Network [OSTI]

    power calculations for balanced and unbalanced loads 5. Real and Reactive Power and Power Factor and "blackouts" (especially those related to the introduction of renewables (Photovoltaics, wind, etc.) 10. Power will present a detailed perspective of electric power systems from generation, transmission, and storage

  11. Power marketing and renewable energy

    SciTech Connect (OSTI)

    Fang, J.M.

    1997-09-01T23:59:59.000Z

    Power marketing refers to wholesale and retail transactions of electric power made by companies other than public power entities and the regulated utilities that own the generation and distribution lines. The growth in power marketing has been a major development in the electric power industry during the last few years, and power marketers are expected to realize even more market opportunities as electric industry deregulation proceeds from wholesale competition to retail competition. This Topical Issues Brief examines the nature of the power marketing business and its relationship with renewable power. The information presented is based on interviews conducted with nine power marketing companies, which accounted for almost 54% of total power sales by power marketers in 1995. These interviews provided information on various viewpoints of power marketers, their experience with renewables, and their respective outlooks for including renewables in their resource portfolios. Some basic differences exist between wholesale and retail competition that should be recognized when discussing power marketing and renewable power. At the wholesale level, the majority of power marketers stress the commodity nature of electricity. The primary criteria for developing resource portfolios are the same as those of their wholesale customers: the cost and reliability of power supplies. At the retail level, electricity may be viewed as a product that includes value-added characteristics or services determined by customer preferences.

  12. RENEWABLES RESEARCH Boiler Burner Energy System Technology

    E-Print Network [OSTI]

    RENEWABLES RESEARCH Boiler Burner Energy System Technology (BBEST) for Firetube Boilers PIER Renewables Research September 2010 The Issue Researchers at Altex Technologies Corporation in Sunnyvale, industrial combined heat and power (CHP) boiler burner energy system technology ("BBEST"). Their research

  13. Resources on Purchasing Renewable Power | Department of Energy

    Energy Savers [EERE]

    Resources on Purchasing Renewable Power Resources on Purchasing Renewable Power Many helpful resources about purchasing renewable power are available. Publications Renewable...

  14. Kenninger Renewable Energy and Power Systems Seminar April 21, 2014 10:30 am Room ME 2054

    E-Print Network [OSTI]

    Ginzel, Matthew

    Kenninger Renewable Energy and Power Systems Seminar April 21, 2014 10:30 am Room ME 2054 Dr review advances in physical modeling and design of electrochemical capacitors for applications ranging materials. Third, the seminar will present efforts in optimizing and controlling light transfer

  15. The integration of renewable energy sources into electric power distribution systems. Volume 2, Utility case assessments

    SciTech Connect (OSTI)

    Zaininger, H.W.; Ellis, P.R.; Schaefer, J.C. [Zaininger Engineering Co., San Jose, CA (United States)

    1994-06-01T23:59:59.000Z

    Electric utility distribution system impacts associated with the integration of renewable energy sources such as photovoltaics (PV) and wind turbines (WT) are considered in this project. The impacts are expected to vary from site to site according to the following characteristics: (1) The local solar insolation and/or wind characteristics; (2) renewable energy source penetration level; (3) whether battery or other energy storage systems are applied; and (4) local utility distribution design standards and planning practices. Small, distributed renewable energy sources are connected to the utility distribution system like other, similar kW- and MW-scale equipment and loads. Residential applications are expected to be connected to single-phase 120/240-V secondaries. Larger kw-scale applications may be connected to three-phase secondaries, and larger hundred-kW and MW-scale applications, such as MW-scale windfarms or PV plants, may be connected to electric utility primary systems via customer-owned primary and secondary collection systems. Small, distributed renewable energy sources installed on utility distribution systems will also produce nonsite-specific utility generation system benefits such as energy and capacity displacement benefits, in addition to the local site-specific distribution system benefits. Although generation system benefits are not site-specific, they are utility-specific, and they vary significantly among utilities in different regions. In addition, transmission system benefits, environmental benefits and other benefits may apply. These benefits also vary significantly among utilities and regions. Seven utility case studies considering PV, WT, and battery storage were conducted to identify a range of potential renewable energy source distribution system applications.

  16. On-Site Renewable Power Purchase Agreements for Renewable Energy Projects

    Broader source: Energy.gov [DOE]

    An on-site renewable power purchase agreement (PPA) enables Federal agencies to fund a renewable energy project by contracting to purchase the power generated by the system. The renewable energy equipment is installed and owned by a developer but located on-site at the agency facility.

  17. Integration of renewable energy sources: reliability-constrained power system planning and operations using computational intelligence 

    E-Print Network [OSTI]

    Wang, Lingfeng

    2009-05-15T23:59:59.000Z

    studied in the dissertation include reliability evaluation of power systems with time-dependent energy sources, multi-objective design of hybrid generation systems, risk and cost tradeoff in economic dispatch with wind power penetration, optimal placement...

  18. ELECTROMAGNETIC COMPATIBILITY AND RENEWABLE POWER FOR IMPLANTABLE NEUROSTIMULATORS

    E-Print Network [OSTI]

    Pantchenko, Oxana S.

    2012-01-01T23:59:59.000Z

    38 3. Renewable Power for ImplantableCOMPATIBILITY AND RENEWABLE POWER FOR IMPLANTABLER, Isaacson M, Shakouri A: A renewable energy power source

  19. Sandia National Laboratories: renewable energy power generation

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Security, Microgrid, Modeling & Analysis, News, News & Events, Partnership, Renewable Energy, SMART Grid, Systems Analysis, Systems Engineering Mayor Says New System...

  20. Reliability Modeling and Simulation of Composite Power Systems with Renewable Energy Resources and Storage

    E-Print Network [OSTI]

    Kim, Hagkwen

    2013-05-24T23:59:59.000Z

    This research proposes an efficient reliability modeling and simulation methodology in power systems to include photovoltaic units, wind farms and storage. Energy losses by wake effect in a wind farm are incorporated. Using the wake model, wind...

  1. Integration of Electric Energy Storage into Power Systems with Renewable Energy Resources

    E-Print Network [OSTI]

    Xu, Yixing 1985-

    2012-10-26T23:59:59.000Z

    include making the power systems more reliable and economically efficient. The rapid development of the large scale energy storage technology makes it an excellent candidate in achieving these goals. A novel Model Predictive Control (MPC)-based operation...

  2. Reliability Modeling and Simulation of Composite Power Systems with Renewable Energy Resources and Storage 

    E-Print Network [OSTI]

    Kim, Hagkwen

    2013-05-24T23:59:59.000Z

    This research proposes an efficient reliability modeling and simulation methodology in power systems to include photovoltaic units, wind farms and storage. Energy losses by wake effect in a wind farm are incorporated. Using the wake model, wind...

  3. Renewable Energy Powers Renewable Energy Lab, Employees

    E-Print Network [OSTI]

    electricity from wind-powered turbines near the Wyoming border. "We believe that wind power is a highly viable kilowatt Westinghouse turbine with a 142-foot rotor diameter. It is comparable in size to the turbines

  4. Renewable Electricity Futures Study. Volume 4: Bulk Electric Power Systems: Operations and Transmission Planning

    SciTech Connect (OSTI)

    Milligan, M.; Ela, E.; Hein, J.; Schneider, T.; Brinkman, G.; Denholm, P.

    2012-06-01T23:59:59.000Z

    The Renewable Electricity Futures (RE Futures) Study investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050. The analysis focused on the sufficiency of the geographically diverse U.S. renewable resources to meet electricity demand over future decades, the hourly operational characteristics of the U.S. grid with high levels of variable wind and solar generation, and the potential implications of deploying high levels of renewables in the future. RE Futures focused on technical aspects of high penetration of renewable electricity; it did not focus on how to achieve such a future through policy or other measures. Given the inherent uncertainties involved with analyzing alternative long-term energy futures as well as the multiple pathways that might be taken to achieve higher levels of renewable electricity supply, RE Futures explored a range of scenarios to investigate and compare the impacts of renewable electricity penetration levels (30%-90%), future technology performance improvements, potential constraints to renewable electricity development, and future electricity demand growth assumptions. RE Futures was led by the National Renewable Energy Laboratory (NREL) and the Massachusetts Institute of Technology (MIT).

  5. Quenching China's Thirst for Renewable Power: Water Implications of China's Renewable Development

    E-Print Network [OSTI]

    Zheng, Nina

    2014-01-01T23:59:59.000Z

    tower plant in China. ” Renewable and Sustainable Energyby plant in Guangxi. ” Renewable and Sustainable EnergyChina’s Thirst for Renewable Power: Water Implications of

  6. Power system balancing with high renewable penetration : the potential of demand response

    E-Print Network [OSTI]

    Critz, David Karl

    2012-01-01T23:59:59.000Z

    This study investigated the ability of responsive demand to stabilize the electrical grid when intermittent renewable resources are present. The WILMAR stochastic unit commitment model was used to represent a version of ...

  7. Integration of renewable energy sources: reliability-constrained power system planning and operations using computational intelligence

    E-Print Network [OSTI]

    Wang, Lingfeng

    2009-05-15T23:59:59.000Z

    Renewable sources of energy such as wind turbine generators and solar panels have attracted much attention because they are environmentally friendly, do not consume fossil fuels, and can enhance a nation’s energy security. As a result, recently more...

  8. Renewable Systems Interconnection: Executive Summary

    SciTech Connect (OSTI)

    Kroposki, B.; Margolis, R.; Kuswa, G.; Torres, J.; Bower, W.; Key, T.; Ton, D.

    2008-02-01T23:59:59.000Z

    The U.S. Department of Energy launched the Renewable Systems Interconnection (RSI) study in 2007 to address the challenges to high penetrations of distributed renewable energy technologies. The RSI study consists of 14 additional reports.

  9. National Renewable Energy Laboratory's Energy Systems Integration...

    Energy Savers [EERE]

    National Renewable Energy Laboratory's Energy Systems Integration Facility Overview National Renewable Energy Laboratory's Energy Systems Integration Facility Overview This...

  10. PROGRAMME SPECIFICATION POSTGRADUATE PROGRAMMES Programme name Renewable Energy and Power Systems Management

    E-Print Network [OSTI]

    Weyde, Tillman

    and understanding: Understand and evaluate the technical aspects and challenges of alternative modes of energy1 PROGRAMME SPECIFICATION ­ POSTGRADUATE PROGRAMMES KEY FACTS Programme name Renewable Energy or equivalent School of Engineering and Mathematical Sciences Programme code PSPSEM Type of study Full time

  11. Renewable Power Options for Electricity Generation on Kaua'i...

    Office of Environmental Management (EM)

    Renewable Power Options for Electricity Generation on Kaua'i: Economics and Performance Modeling Renewable Power Options for Electricity Generation on Kaua'i: Economics and...

  12. SeaPower Pacific subsidiary of Renewable Energy Holdings Plc...

    Open Energy Info (EERE)

    SeaPower Pacific subsidiary of Renewable Energy Holdings Plc Carnegie Corporation Ltd Jump to: navigation, search Name: SeaPower Pacific subsidiary of Renewable Energy Holdings Plc...

  13. Communication Systems for Grid Integration of Renewable Energy Resources

    E-Print Network [OSTI]

    Yu, F Richard; Xiao, Weidong; Choudhury, Paul

    2011-01-01T23:59:59.000Z

    There is growing interest in renewable energy around the world. Since most renewable sources are intermittent in nature, it is a challenging task to integrate renewable energy resources into the power grid infrastructure. In this grid integration, communication systems are crucial technologies, which enable the accommodation of distributed renewable energy generation and play extremely important role in monitoring, operating, and protecting both renewable energy generators and power systems. In this paper, we review some communication technologies available for grid integration of renewable energy resources. Then, we present the communication systems used in a real renewable energy project, Bear Mountain Wind Farm (BMW) in British Columbia, Canada. In addition, we present the communication systems used in Photovoltaic Power Systems (PPS). Finally, we outline some research challenges and possible solutions about the communication systems for grid integration of renewable energy resources.

  14. STAFF REPORT RENEWABLE POWER IN

    E-Print Network [OSTI]

    , distributed generation, energy storage, environmental impacts, environmental justice, feedin tariff, solar photovoltaic, solar thermal, transmission, wind, workforce development. Please use Portfolio Standard requires utilities to increase the amount of renewable generation sold to customers

  15. Long Island Power Authority- Renewable Electricity Goal

    Broader source: Energy.gov [DOE]

    As a municipal utility, the Long Island Power Authority (LIPA) is not obligated to comply with the [http://www.dsireusa.org/library/includes/incentive2.cfm?Incentive_Code=N... New York Renewable...

  16. Renewable Energy System Exemption

    Broader source: Energy.gov [DOE]

    In March 2010, South Dakota established a new property tax incentive that replaced two existing property tax incentives for renewable energy. Facilities that generate electricity using wind, solar,...

  17. Integration of Electric Energy Storage into Power Systems with Renewable Energy Resources 

    E-Print Network [OSTI]

    Xu, Yixing 1985-

    2012-10-26T23:59:59.000Z

    discharged from energy storage in period k DMax Energy storage maximum discharging power limit L(k) Load in current period k Lf(k) Forecasted load in future period k P(k) Energy price for period k Pf(k) Forecasted energy price for future period k R... ................................................. 24 2.4.2 Case II: Mobile Energy Storage ..................................................... 30 2.5 Scheduling and Operation Facing Price and Demand Uncertainties...

  18. Methods for Procuring Power System Flexibility, Greening the Grid (Fact Sheet), NREL (National Renewable Energy Laboratory)

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHighand Retrievals fromprocess used in mining - Energyto

  19. Risk Aware Robust Decision Making in Power Systems with Renewable Resources 

    E-Print Network [OSTI]

    Thatte, Anupam Ajit

    2014-10-29T23:59:59.000Z

    Dispatch ISO Independent System Operator LMP Locational Marginal Price LORP Lack of Ramp Probability LP Linear Programming LSE Load Serving Entity MAE Mean Absolute Error MISO Midcontinent Independent System Operator MPC Model Predictive Control NERC North... . . . . . . . . . . . . . . . 30 3.2 Nordpool market timeline . . . . . . . . . . . . . . . . . . . . . . . . 38 3.3 Electricity prices for scenario A . . . . . . . . . . . . . . . . . . . . . 40 3.4 Results of deterministic optimization scenario A . . . . . . . . . . . . 40 3...

  20. Impact of Renewable Distributed Generation on Power Systems M. Begovi, A. Pregelj, A. Rohatgi D. Novosel

    E-Print Network [OSTI]

    , improve the voltage profile across the feeder, may reduce the loading level of branches and substation the effect of DG penetration on the actual load demand and voltage profile of the distribution feeder. However, DG systems inherently provide some benefits to the utility. They may level the load curve

  1. Enhanced Renewable Methane Production System | Argonne National...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Enhanced Renewable Methane Production System Technology available for licensing: Enhanced renewable methane production system provides a low-cost process that accelerates...

  2. Renewable Energy Systems | Clean Energy | ORNL

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Renewable Energy Systems SHARE Renewable Energy Systems Develop methods and models, conduct analyses and produce tools that address the potential and sustainability of biomass...

  3. LEAD COMMISSIONER REPORT RENEWABLE POWER IN

    E-Print Network [OSTI]

    LEAD COMMISSIONER REPORT RENEWABLE POWER IN CALIFORNIA: STATUS AND ISSUES DECEMBER 2011 CEC1502011002LCFREV1 #12;CALIFORNIA ENERGY COMMISSION 2011 INTEGRATED ENERGY POLICY REPORT LEAD COMMISSIONER of the 2011 Integrated Energy Policy Report Lead Commissioner. It does not necessarily represent the views

  4. Maricopa County- Renewable Energy Systems Zoning Ordinance

    Broader source: Energy.gov [DOE]

    The Maricopa County Zoning Ordinance contains provisions for siting renewable energy systems. The ordinance defines renewable energy as "energy derived primarily from sources other than fossil...

  5. Midwest Renewable Energy Tracking System (Multiple States)

    Broader source: Energy.gov [DOE]

    The Midwest Renewable Energy Tracking System (M-RETS®) tracks renewable energy generation in participating States and Provinces and assists in verifying compliance with individual state/provincial...

  6. Optimal Power Allocation for Renewable Energy Source

    E-Print Network [OSTI]

    Sinha, Abhinav

    2011-01-01T23:59:59.000Z

    Battery powered transmitters face energy constraint, replenishing their energy by a renewable energy source (like solar or wind power) can lead to longer lifetime. We consider here the problem of finding the optimal power allocation under random channel conditions for a wireless transmitter, such that rate of information transfer is maximized. Here a rechargeable battery, which is periodically charged by renewable source, is used to power the transmitter. All of above is formulated as a Markov Decision Process. Structural properties like the monotonicity of the optimal value and policy derived in this paper will be of vital importance in understanding the kind of algorithms and approximations needed in real-life scenarios. The effect of curse of dimensionality which is prevalent in Dynamic programming problems can thus be reduced. We show our results under the most general of assumptions.

  7. NOTICE OF RENEWABLE POWER STANDARDS (RPS) MEETING Renewable Portfolio Standard Plan Before Council

    E-Print Network [OSTI]

    establishes minimum quantities of renewable energy resources that load serving entities must procure annually of renewables energy resources that load serving entities must procure annually through 2020. Each load servingNOTICE OF RENEWABLE POWER STANDARDS (RPS) MEETING Renewable Portfolio Standard Plan Before Council

  8. Psm Nature Power Service Management Formerly Umweltkontor Renewable...

    Open Energy Info (EERE)

    Psm Nature Power Service Management Formerly Umweltkontor Renewable Energy AG Jump to: navigation, search Name: psm Nature Power Service & Management (Formerly Umweltkontor...

  9. Renewable energy powered membrane technology. 2. The effect of energy fluctuations on performance of a photovoltaic hybrid membrane system 

    E-Print Network [OSTI]

    Richards, B.S.; Capão, D.P.S.; Schäfer, Andrea

    2008-01-01T23:59:59.000Z

    This paper reports on the performance fluctuations during the operation of a batteryless hybrid ultrafiltration – nanofiltration / reverse osmosis (UF-NF/RO) membrane desalination system powered by photovoltaics treating ...

  10. Hybrid Renewable Energy Systems for a Dynamically Positioned Buoy

    E-Print Network [OSTI]

    Wood, Stephen L.

    of the vessel and environmental conditions, power requirements for DP tend to be quite substantial and costly of powering a low cost, simple, dynamic positioning system. This system was implemented on a dynamically a theoretical hybrid renewable energy system to power it, thereby improving on the station keeping buoy (SKB

  11. California's Renewable Portfolio Standard Northwest Power and Conservation Council

    E-Print Network [OSTI]

    resources are being procured and at what cost? Challenges with renewable integration Challenges target for 33% of energy to be from eligible renewable energy resources Large hydro and rooftop solarCalifornia's Renewable Portfolio Standard Northwest Power and Conservation Council California Power

  12. BATTERY STORAGE CONTROL FOR STEADYING RENEWABLE POWER GENERATION

    E-Print Network [OSTI]

    pro- duction to come from renewable resources. In the 2011 State of the Union Address, President ObamaBATTERY STORAGE CONTROL FOR STEADYING RENEWABLE POWER GENERATION By Shengyuan (Mike) Chen, Emilie-626-7370 URL: http://www.ima.umn.edu #12;Battery Storage Control for Steadying Renewable Power Generation

  13. Renewable power needs smart storage solutions

    SciTech Connect (OSTI)

    Madison, Alison L.

    2010-10-24T23:59:59.000Z

    Ancient Greek philosopher Heraclitus claimed that the only thing constant in life is change, a truth we must accept and even celebrate. Another truth we face today is a growing demand for more energy to help us power the kind and pace of change we’ve become accustomed to, while minimizing environmental consequences. Renewable energy--two words that often find themselves woven into environmentally conscious dialogue. And according to Dave Lucero, director of alternative energy storage at EaglePicher Technologies LLC, the Tri-Cities should be thinking about two more: energy storage. Lucero recently addressed the Tri-Cities Research District about tackling the persistent challenge of maximizing renewable energy, which is inherently variable due to changing weather patterns. Capturing that energy and making it available for later use is vital.

  14. Integrating Renewable Energy Systems in Buildings (Presentation)

    SciTech Connect (OSTI)

    Hayter, S. J.

    2011-08-01T23:59:59.000Z

    This presentation on integrating renewable energy systems into building was presented at the August, 2011 ASHRAE Region IX CRC meetings.

  15. The Political Economy of Wind Power in China

    E-Print Network [OSTI]

    Swanson, Ryan Landon

    2011-01-01T23:59:59.000Z

    a system for trading ?renewable power generation surchargethe system for trading renewable power credits and verifies

  16. Renewable and Distributed Power in California Simplifying the...

    Open Energy Info (EERE)

    - Making the Path for Future Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Renewable and Distributed Power in California Simplifying the Regulatory...

  17. Sandia National Laboratories: Ocean Renewable Power Company TidGen®...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Company TidGen turbine High-Fidelity Hydrostructural Analysis of Ocean Renewable Power Company's (ORPC's) TidGen Turbine On March 19, 2014, in Computational Modeling &...

  18. EMERGING RENEWABLES PROGRAM SYSTEMS VERIFICATION REPORT

    E-Print Network [OSTI]

    survey that measured customer experience in applying to the ERP, receiving utility interconnection, renewable energy, shading, solar, system performance, system verification, utility interconnection, wind #12

  19. Renewable Energy Positioning System: Energy Positioning: Control and Economics

    SciTech Connect (OSTI)

    None

    2012-03-01T23:59:59.000Z

    GENI Project: The University of Washington and the University of Michigan are developing an integrated system to match well-positioned energy storage facilities with precise control technologies so the electric grid can more easily include energy from renewable power sources like wind and solar. Because renewable energy sources provide intermittent power, it is difficult for the grid to efficiently allocate those resources without developing solutions to store their energy for later use. The two universities are working with utilities, regulators, and the private sector to position renewable energy storage facilities in locations that optimize their ability to provide and transmit electricity where and when it is needed most. Expanding the network of transmission lines is prohibitively expensive, so combining well-placed storage facilities with robust control systems to efficiently route their power will save consumers money and enable the widespread use of safe, renewable sources of power.

  20. Renewable energy delivery systems and methods

    DOE Patents [OSTI]

    Walker, Howard Andrew

    2013-12-10T23:59:59.000Z

    A system, method and/or apparatus for the delivery of energy at a site, at least a portion of the energy being delivered by at least one or more of a plurality of renewable energy technologies, the system and method including calculating the load required by the site for the period; calculating the amount of renewable energy for the period, including obtaining a capacity and a percentage of the period for the renewable energy to be delivered; comparing the total load to the renewable energy available; and, implementing one or both of additional and alternative renewable energy sources for delivery of energy to the site.

  1. Supporting Solar Power in Renewables Portfolio Standards: Experience from the United States

    E-Print Network [OSTI]

    Wiser, Ryan

    2010-01-01T23:59:59.000Z

    wind power development." Renewable Energy. 33(8): 1854–1867.support mechanisms for renewable energy technologies usingdistributions. ” Renewable Energy. 35(6): Ferrey, S. 2006. “

  2. Renewable Energy Laboratory for Lighting Systems

    E-Print Network [OSTI]

    Dumitru Cristian; Gligor Adrian

    2010-02-23T23:59:59.000Z

    Nowadays, the electric lighting is an important part of our lives and also represents a significant part of the electric power consumption. Alternative solutions such as renewable energy applied in this domain are thus welcomed. This paper presents a workstation conceived for the study of photovoltaic solar energy for lighting systems by students of power engineering and civil engineering faculty. The proposed system is realized to study the generated photovoltaic solar energy parameters for lighting systems. For an easier way to study the most relevant parameters virtual instrumentation is implemented. National Instruments LabWindows CVI environment is used as a platform for virtual instrumentation. For future developments remote communication feature intends to be added on which currently remote monitoring of solar photovoltaic energy and electric energy parameters are monitored.

  3. Integration of Storage Devices into Power Systems

    E-Print Network [OSTI]

    Integration of Storage Devices into Power Systems with Renewable Energy Sources Final Project System #12;Integration of Storage Devices into Power Systems with Renewable Energy Sources Final Project report for the Power Systems Engineering Research Center (PSERC) research project titled "Integration

  4. The Treatment of Renewable Energy Certificates, EmissionsAllowances, and Green Power Programs in State Renewables PortfolioStandards

    SciTech Connect (OSTI)

    Holt, Edward A.; Wiser, Ryan H.

    2007-04-17T23:59:59.000Z

    Twenty-one states and the District of Columbia have adopted mandatory renewables portfolio standards (RPS) over the last ten years. Renewable energy attributes-such as the energy source, conversion technology, plant location and vintage, and emissions-are usually required to verify compliance with these policies, sometimes through attributes bundled with electricity, and sometimes with the attributes unbundled from electricity and traded separately as renewable energy certificates (RECs). This report summarizes the treatment of renewable energy attributes in state RPS rules. Its purpose is to provide a source of information for states considering RPS policies, and also to draw attention to certain policy issues that arise when renewable attributes and RECs are used for RPS compliance. Three specific issues are addressed: (1) the degree to which unbundled RECs are allowed under existing state RPS programs and the status of systems to track RECs and renewable energy attributes; (2) definitions of the renewable energy attributes that must be included in order to meet state RPS obligations, including the treatment of available emissions allowances; and (3) state policies on whether renewable energy or RECs sold through voluntary green power transactions may count towards RPS obligations.

  5. I read with interest the report entitled, "Carbon Dioxide Footprint of the Northwest Power System." Unfortunately your analysis does not take into consideration renewable power production using a Solena Group gasification process

    E-Print Network [OSTI]

    . In these tanks, we will sequester the carbon by growing algae that we would harvest and use as a biomass feedstock for the renewable power plant. This service would cost $50 per ton of carbon sequestered. Do you

  6. Designing and Managing Datacenters Powered by Renewable Energy

    E-Print Network [OSTI]

    energy supply [1, 4, 6, 9, 11]. For high- est benefits, green datacenter operators must intelligently an expected load peak when the renewable energy is not avail- able). As far as we know, current greenDesigning and Managing Datacenters Powered by Renewable Energy ´I~nigo Goiri, William Katsak, Kien

  7. Alliant Energy Interstate Power and Light- Residential Renewable Energy Rebates

    Broader source: Energy.gov [DOE]

    The Alliant Energy Renewable Cash-Back Rewards program offers its electricity customers rebates for solar photovoltaics (PV), wind, and solar thermal water heating systems. Natural gas customers...

  8. Islands and Our Renewable Energy Future (Presentation)

    SciTech Connect (OSTI)

    Baring-Gould, I.; Gevorgian, V.; Kelley, K.; Conrad, M.

    2012-05-01T23:59:59.000Z

    Only US Laboratory Dedicated Solely to Energy Efficiency and Renewable Energy. High Contribution Renewables in Islanded Power Systems.

  9. Optimization Online - Stochastic Optimization for Power System ...

    E-Print Network [OSTI]

    Ludwig Kuznia

    2011-02-17T23:59:59.000Z

    Feb 17, 2011 ... Stochastic Optimization for Power System Configuration with Renewable Energy in Remote Areas. Ludwig Kuznia(lkuznia ***at*** mail.usf.edu)

  10. Sample Documents for On-Site Renewable Power Purchase Agreements

    Broader source: Energy.gov [DOE]

    The Federal Energy Management Program (FEMP) works with federal agencies and partners to assemble sample documents from past on-site renewable power purchase agreement (PPA) projects to help streamline the PPA process.

  11. Predicting the Power Output of Distributed Renewable Energy Resources within a Broad Geographical Region

    E-Print Network [OSTI]

    Chalkiadakis, Georgios

    Predicting the Power Output of Distributed Renewable Energy Resources within a Broad Geographical potentially dis- tributed renewable energy resources (su years, estimating the power output of in- herently intermittent and potentially distributed renewable

  12. Power Flow Controller for Renewables: Transformer-less Unified Power Flow Controller for Wind and Solar Power Transmission

    SciTech Connect (OSTI)

    None

    2012-02-08T23:59:59.000Z

    GENI Project: MSU is developing a power flow controller to improve the routing of electricity from renewable sources through existing power lines. The fast, innovative, and lightweight circuitry that MSU is incorporating into its controller will eliminate the need for a separate heavy and expensive transformer, as well as the construction of new transmission lines. MSU’s controller is better suited to control power flows from distributed and intermittent wind and solar power systems than traditional transformer-based controllers are, so it will help to integrate more renewable energy into the grid. MSU‘s power flow controller can be installed anywhere in the existing grid to optimize energy transmission and help reduce transmission congestion.

  13. Lessons Learned: Planning and Operating Power Systems with Large

    E-Print Network [OSTI]

    Lessons Learned: Planning and Operating Power Systems with Large Amounts of Renewable Energy agency thereof. #12;Lessons Learned: Planning and Operating Power Systems with Large Amounts of Renewable to their systems powered by as-available renewable energy sources (primarily wind and solar). The Big Island also

  14. Integrated Renewable Hydrogen Utility System (IRHUS) business plan

    SciTech Connect (OSTI)

    NONE

    1999-03-01T23:59:59.000Z

    This business plan is for a proposed legal entity named IRHUS, Inc. which is to be formed as a subsidiary of Energy Partners, L.C. (EP) of West Palm Beach, Florida. EP is a research and development company specializing in hydrogen proton exchange membrane (PEM) fuel cells and systems. A fuel cell is an engine with no moving parts that takes in hydrogen and produces electricity. The purpose of IRHUS, Inc. is to develop and manufacture a self-sufficient energy system based on the fuel cell and other new technology that produces hydrogen and electricity. The product is called the Integrated renewable Hydrogen utility System (IRHUS). IRHUS, Inc. plans to start limited production of the IRHUS in 2002. The IRHUS is a unique product with an innovative concept in that it provides continuous electrical power in places with no electrical infrastructure, i.e., in remote and island locations. The IRHUS is a zero emissions, self-sufficient, hydrogen fuel generation system that produces electricity on a continuous basis by combining any renewable power source with hydrogen technology. Current plans are to produce a 10 kilowatt IRHUS MP (medium power). Future plans are to design and manufacture IRHUS models to provide power for a variety of power ranges for identified attractive market segments. The technological components of the IRHUS include an electrolyzer, hydrogen and oxygen storage subsystems, fuel cell system, and power control system. The IRHUS product is to be integrated with a variety of renewable energy technologies. 5 figs., 10 tabs.

  15. Power system

    DOE Patents [OSTI]

    Hickam, Christopher Dale (Glasford, IL)

    2008-03-18T23:59:59.000Z

    A power system includes a prime mover, a transmission, and a fluid coupler having a selectively engageable lockup clutch. The fluid coupler may be drivingly connected between the prime mover and the transmission. Additionally, the power system may include a motor/generator drivingly connected to at least one of the prime mover and the transmission. The power-system may also include power-system controls configured to execute a control method. The control method may include selecting one of a plurality of modes of operation of the power system. Additionally, the control method may include controlling the operating state of the lockup clutch dependent upon the mode of operation selected. The control method may also include controlling the operating state of the motor/generator dependent upon the mode of operation selected.

  16. Fuel Cell Electric Vehicle Powered by Renewable Hydrogen

    ScienceCinema (OSTI)

    None

    2013-05-29T23:59:59.000Z

    The National Renewable Energy Laboratory (NREL) recently received a Borrego fuel cell electric vehicle (FCEV) on loan from Kia for display at a variety of summer events. The Borrego is fueled using renewable hydrogen that is produced and dispensed at NREL's National Wind Technology Center near Boulder, Colorado. The hydrogen dispensed at the station is produced via renewable electrolysis as part of the wind-to-hydrogen project, which uses wind turbines and photovoltaic arrays to power electrolyzer stacks that split water into hydrogen and oxygen. The FCEV features state-of-the-art technology with zero harmful emissions.

  17. Fuel Cell Electric Vehicle Powered by Renewable Hydrogen

    SciTech Connect (OSTI)

    None

    2011-01-01T23:59:59.000Z

    The National Renewable Energy Laboratory (NREL) recently received a Borrego fuel cell electric vehicle (FCEV) on loan from Kia for display at a variety of summer events. The Borrego is fueled using renewable hydrogen that is produced and dispensed at NREL's National Wind Technology Center near Boulder, Colorado. The hydrogen dispensed at the station is produced via renewable electrolysis as part of the wind-to-hydrogen project, which uses wind turbines and photovoltaic arrays to power electrolyzer stacks that split water into hydrogen and oxygen. The FCEV features state-of-the-art technology with zero harmful emissions.

  18. Colorado's Prospects for Interstate Commerce in Renewable Power

    SciTech Connect (OSTI)

    Hurlbut, D. J.

    2009-12-01T23:59:59.000Z

    Colorado has more renewable energy potential than it is ever likely to need for its own in-state electricity consumption. Such abundance may suggest an opportunity for the state to sell renewable power elsewhere, but Colorado faces considerable competition from other western states that may have better resources and easier access to key markets on the West Coast. This report examines factors that will be important to the development of interstate commerce for electricity generated from renewable resources. It examines market fundamentals in a regional context, and then looks at the implications for Colorado.

  19. Local Option- Property Tax Exemption for Renewable Energy Systems

    Broader source: Energy.gov [DOE]

    Eligible renewable energy property is defined as "any fixture, product, system, device or interacting group of devices that produce electricity from renewable resources, including, but not limited...

  20. The renewable electric plant information system

    SciTech Connect (OSTI)

    Sinclair, K.

    1995-12-01T23:59:59.000Z

    This report explains the procedures used for creating the Renewable Electric Plant Information System (REPiS) database, describes the database fields, and summarizes the data. The REPiS database contains comprehensive information on grid-connected renewable electric generation plants in the United States. Originally designed in 1987 and updated in 1990, the database includes information through 1994. The report also illustrates ways of using the data for analysis is and describes how researchers validated the data.

  1. Biomass power and state renewable energy policies under electric industry restructuring

    SciTech Connect (OSTI)

    Porter, K.; Wiser, R.

    2000-08-01T23:59:59.000Z

    Several states are pursuing policies to foster renewable energy as part of efforts to restructure state electric power markets. The primary policies that states are pursuing for renewables are system benefits charges (SBCs) and renewable portfolio standards (RPSs). However, the eligibility of biomass under state RPS and SBC policies is in question in some states. Eligibility restrictions may make it difficult for biomass power companies to access these policies. Moreover, legislative language governing the eligibility of biomass power is sometimes vague and difficult to interpret. This paper provides an overview of state RPS and SBC policies and focuses on the eligibility of biomass power. For this paper, the authors define biomass power as using wood and agricultural residues and landfill methane, but not waste-to-energy, to produce energy.

  2. Renewable Power and Light | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro Industries Pvt Ltd Jump to: navigation, searchRayreviewAl.,RenGenAmes,RenewableRFLAverillLight

  3. Analysis of Power System Dynamics Subject to Stochastic Power Injections

    E-Print Network [OSTI]

    DeVille, Lee

    to the computation of long-term power system state statistics; and to short-term probabilistic dynamic performance/reliability of renewable re- sources such as wind energy conversion systems (WECS) and photovoltaic energy conversion

  4. Renewable Power Options for Electrical Generation on Kaua'i: Economics and Performance Modeling

    SciTech Connect (OSTI)

    Burman, K.; Keller, J.; Kroposki, B.; Lilienthal, P.; Slaughter, R.; Glassmire, J.

    2011-11-01T23:59:59.000Z

    The Hawaii Clean Energy Initiative (HCEI) is working with a team led by the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) to assess the economic and technical feasibility of increasing the contribution of renewable energy in Hawaii. This part of the HCEI project focuses on working with Kaua'i Island Utility Cooperative (KIUC) to understand how to integrate higher levels of renewable energy into the electric power system of the island of Kaua'i. NREL partnered with KIUC to perform an economic and technical analysis and discussed how to model PV inverters in the electrical grid.

  5. Integrated Renewable Energy and Energy Storage Systems

    E-Print Network [OSTI]

    Integrated Renewable Energy and Energy Storage Systems Prepared for the U.S. Department of Energy and Energy Storage Systems TABLE OF CONTENTS 1 Office of Electricity Delivery and Energy Reliability Under Award No. DE-FC-06NT42847 Hawai`i Distributed

  6. * jafleeman@aep.com EHV AC and HVDC Transmission Working Together to Integrate Renewable Power

    E-Print Network [OSTI]

    McCalley, James D.

    * jafleeman@aep.com EHV AC and HVDC Transmission Working Together to Integrate Renewable Power J. A current (EHV AC) and high voltage direct current (HVDC) transmission systems and advocates a hybrid as a high capacity platform for system integration. HVDC transmission offers express, efficient delivery

  7. Renewable Energy Scheduling for Fading Channels with Maximum Power Constraint

    E-Print Network [OSTI]

    Greenberg, Albert

    Renewable Energy Scheduling for Fading Channels with Maximum Power Constraint Zhe Wang Electrical--In this paper, we develop efficient algorithm to obtain the optimal energy schedule for fading channel with energy harvesting. We assume that the side information of both the channel states and energy harvesting

  8. Overview of village scale, renewable energy powered desalination

    SciTech Connect (OSTI)

    Thomas, K.E.

    1997-04-01T23:59:59.000Z

    An overview of desalination technologies is presented, focusing on those technologies appropriate for use in remote villages, and how they can be powered using renewable energy. Technologies are compared on the basis of capital cost, lifecycle cost, operations and maintenance complexity, and energy requirements. Conclusions on the appropriateness of different technologies are drawn, and recommendations for future research are given.

  9. Optimal transition from coal to gas and renewable power under capacity constraints and adjustment costs

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Optimal transition from coal to gas and renewable power under capacity constraints and adjustment existing coal power plants to gas and renewable power under a carbon budget. It solves a model of polluting, exhaustible resources with capacity constraints and adjustment costs (to build coal, gas, and renewable power

  10. Mainstream Renewable Power | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof Energy 2,AUDIT REPORTEnergyFarmsPower CoLongxing Wind PowerMCFMVVMainstream

  11. Clear Wind Renewable Power | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof Energy 2,AUDIT REPORTEnergy Offshore Place:Wind EnergyCielo Wind PowerWaterPower

  12. Wind Power Renewables | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty Edit withTianlinPapers Home Kyoung's pictureWind Power Energia Jump to:Wind Power

  13. Statkraft is Europe's largest generator of renewable energy and is the leading power company in Norway. The company owns, produces and develops hydropower, wind power, gas-fired power and

    E-Print Network [OSTI]

    Morik, Katharina

    Statkraft is Europe's largest generator of renewable energy and is the leading power company countries. For our office in Düsseldorf we are currently looking to hire a System Manager Renewable Energy. Share our passion for renewable energy and be a part of tomorrow's energy world. Your department

  14. Guide to purchasing green power. Renewable electricity, renewable energy certificates and on-site renewable generation

    SciTech Connect (OSTI)

    None,

    2004-09-30T23:59:59.000Z

    The Guide to Purchasing Green Power is intended for organizations that are considering the merits of buying green power as well as those that have decided to buy it and want help doing so. The Guide was written for a broad audience, including businesses, government agencies, universities, and all organizations wanting to diversify their energy supply and to reduce the environmental impact of their electricity use.The Guide provides an overview of green power markets and describes the necessary steps to buying green power. This section summarizes the Guide to help readers find the information they need.

  15. Renewable Power Generation JV Company | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnualProperty Edit with form History FacebookRegenesysRenewable Hawaii Inc Jump to:Renewable Power

  16. Advanced Organic Vapor Cycles for Improving Thermal Conversion Efficiency in Renewable Energy Systems

    E-Print Network [OSTI]

    Ho, Tony

    2012-01-01T23:59:59.000Z

    organic Rankine cycle," Renewable Energy, vol. 4, pp. 1196-power cycle driven by renewable energy sources," Energy,geothermal resources," Renewable Energy, vol. 37, pp. 364-

  17. FEMP Offers Training on Federal On-Site Renewable Power Purchase...

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

    Training on Federal On-Site Renewable Power Purchase Agreements FEMP Offers Training on Federal On-Site Renewable Power Purchase Agreements March 30, 2015 - 2:16pm Addthis The U.S....

  18. EverPower Renewables | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof Energy 2,AUDIT REPORTEnergyFarms A S Jump to: navigation, searchEverPower

  19. Smart Power Laboratory (Fact Sheet), NREL (National Renewable...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    system manufacturers * Home automation and energy management system manufacturers * Power electronics device vendors * Utilities * State energy commissions * Certification...

  20. Quadratic Control of Stochastic Hybrid Systems with Renewal Transitions

    E-Print Network [OSTI]

    Hespanha, João Pedro

    Quadratic Control of Stochastic Hybrid Systems with Renewal Transitions Farshad R. Pour Safaei a, semi-Markov processes, optimal control, stochastic hybrid systems, renewal transitions 1 Introduction probability distributions other than the exponential. We consider a Stochastic Hybrid System with renewal

  1. Renewables for the Power Rangan Banerjee

    E-Print Network [OSTI]

    Banerjee, Rangan

    ;6000 8000 10000 12000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Hours MW Load Profile forDemand Supplied Sample Load Curve Maharashtra System March 1, 2006 #12;0 2000 4000 6000 8000 10000 Demand Annual Load Duration Curve for 2005-6 #12;1 9 6 0 1 9 7 0 1 9 8 0 1 9 9 0 2 0 0 0 0 1 0 0 2 0 0 3

  2. Green power grids: how energy from renewable sources affects network and markets

    E-Print Network [OSTI]

    Mureddu, Mario; Chessa, Alessandro; Scala, Antonio; Damiano, Alfonso

    2015-01-01T23:59:59.000Z

    The increasing attention to environmental issues is forcing the implementation of novel energy models based on renewable sources, fundamentally changing the configuration of energy management and introducing new criticalities that are only partly understood. In particular, renewable energies introduce fluctuations causing an increased request of conventional energy sources oriented to balance energy requests on short notices. In order to develop an effective usage of low-carbon sources, such fluctuations must be understood and tamed. In this paper we present a microscopic model for the description and the forecast of short time fluctuations related to renewable sources and to their effects on the electricity market. To account for the inter-dependencies among the energy market and the physical power dispatch network, we use a statistical mechanics approach to sample stochastic perturbations on the power system and an agent based approach for the prediction of the market players behavior. Our model is a data-d...

  3. Impact of Power Generation Uncertainty on Power System Static Performance

    E-Print Network [OSTI]

    Liberzon, Daniel

    in load and generation are modeled as random variables and the output of the power flow computationImpact of Power Generation Uncertainty on Power System Static Performance Yu Christine Chen, Xichen--The rapid growth in renewable energy resources such as wind and solar generation introduces significant

  4. Guide to Purchasing Green Power: Renewable Electricity, Renewable Energy Certificates, and On-Site Renewable Generation

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGrid Integration0-1 March 2013 Purchasing Green Power

  5. Nuclear-renewable hybrid energy systems: Opportunities, interconnections, and needs

    SciTech Connect (OSTI)

    Mark F. Ruth; Owen R. Zinaman; Mark Antkowiak; Richard D. Boardman; Robert S. Cherry; Morgan D. Bazilian

    2014-02-01T23:59:59.000Z

    As the U.S. energy system evolves, the amount of electricity from variable-generation sources is likely to increase, which could result in additional times when electricity demand is lower than available production. Thus, purveyors of technologies that traditionally have provided base-load electricity—such as nuclear power plants—can explore new operating procedures to deal with the associated market signals. Concurrently, innovations in nuclear reactor design coupled with sophisticated control systems now allow for more complex apportionment of heat within an integrated system such as one linked to energy-intensive chemical processes. This paper explores one opportunity – nuclear-renewable hybrid energy systems. These are defined as integrated facilities comprised of nuclear reactors, renewable energy generation, and industrial processes that can simultaneously address the need for grid flexibility, greenhouse gas emission reductions, and optimal use of investment capital. Six aspects of interaction (interconnections) between elements of nuclear-renewable hybrid energy systems are identified: Thermal, electrical, chemical, hydrogen, mechanical, and information. Additionally, system-level aspects affect selection, design, and operation of this hybrid system type. Throughout the paper, gaps and research needs are identified to promote further exploration of the topic.

  6. Integrating Variable Renewable Energy in Electric Power Markets: Best Practices from International Experience

    SciTech Connect (OSTI)

    Cochran, J.; Bird, L.; Heeter, J.; Arent, D. A.

    2012-04-01T23:59:59.000Z

    Many countries -- reflecting very different geographies, markets, and power systems -- are successfully managing high levels of variable renewable energy on the electric grid, including that from wind and solar energy. This study documents the diverse approaches to effective integration of variable renewable energy among six countries -- Australia (South Australia), Denmark, Germany, Ireland, Spain, and the United States (Western region-Colorado and Texas)-- and summarizes policy best practices that energy ministers and other stakeholders can pursue to ensure that electricity markets and power systems can effectively coevolve with increasing penetrations of variable renewable energy. Each country has crafted its own combination of policies, market designs, and system operations to achieve the system reliability and flexibility needed to successfully integrate renewables. Notwithstanding this diversity, the approaches taken by the countries studied all coalesce around five strategic areas: lead public engagement, particularly for new transmission; coordinate and integrate planning; develop rules for market evolution that enable system flexibility; expand access to diverse resources and geographic footprint of operations; and improve system operations. The ability to maintain a broad ecosystem perspective, to organize and make available the wealth of experiences, and to ensure a clear path from analysis to enactment should be the primary focus going forward.

  7. Rethinking the Future Grid: Integrated Nuclear Renewable Energy Systems: Preprint

    SciTech Connect (OSTI)

    Bragg-Sitton, S. M.; Boardman, R.; Ruth, M.; Zinaman, O.; Forsberg, C.

    2015-01-01T23:59:59.000Z

    The U.S. DOE is supporting research and development that could lead to more efficient utilization of clean energy generation sources, including renewable and nuclear options, to meet both grid demand and thermal energy needs in the industrial sector. One concept under consideration by the DOE-NE and DOE-EERE is tighter coupling of nuclear and renewable energy sources in a manner that better optimizes energy use for the combined electricity, industrial manufacturing, and transportation sectors. This integration concept has been referred to as a 'hybrid system' that is capable of apportioning thermal and electrical energy to first meet the grid demand (with appropriate power conversion systems), then utilizing excess thermal and, in some cases, electrical energy to drive a process that results in an additional product.

  8. Operation and Control of Distribution Systems with high level integration of Renewable Generation units

    E-Print Network [OSTI]

    Bak-Jensen, Birgitte

    models Probabilistic methodologies are being applied to power system analysis since 70' [9] becauseOperation and Control of Distribution Systems with high level integration of Renewable Generation. Diagonal 649 Pavelló A, 08028 Barcelona, Spain Summary Traditional power systems have a hierarchical

  9. Renewable Electricity Futures Study

    E-Print Network [OSTI]

    Renewable Electricity Futures Study Bulk Electric Power Systems: Operations and Transmission by the Alliance for Sustainable Energy, LLC. #12;Renewable Electricity Futures Study Edited By Hand, M.M. National Suggested Citations Renewable Electricity Futures Study (Entire Report) National Renewable Energy Laboratory

  10. Micro Renewable Energy Systems: Synergizing Technology, Economics and Policy

    E-Print Network [OSTI]

    Micro Renewable Energy Systems: Synergizing Technology, Economics and Policy Narayanan Komerath in developing a renewable energy economy based on devices of less than 5KW , suitable for retail marketing suggested. Keywords ­ Micro Renewable Energy, Public Policy, Algae, Biofuel, Energy Efficiency I

  11. Energy Secretary Chu Applauds World's First All-Renewable Power...

    Office of Environmental Management (EM)

    was supported under the 1603 tax program for renewable energy that provided American companies with tax support up front to spur the deployment of clean, renewable energy...

  12. Integrating Variable Renewable Energy in Electric Power Markets: Best Practices from International Experience, Summary for Policymakers

    SciTech Connect (OSTI)

    Cochran, J.; Bird, L.; Heeter, J.; Arent, D. A.

    2012-04-01T23:59:59.000Z

    Many countries -- reflecting very different geographies, markets, and power systems -- are successfully managing high levels of variable renewable energy on the electric grid, including that from wind and solar energy. This document summarizes policy best practices that energy ministers and other stakeholders can pursue to ensure that electricity markets and power systems can effectively coevolve with increasing penetrations of variable renewable energy. There is no one-size-fits-all approach; each country studied has crafted its own combination of policies, market designs, and system operations to achieve the system reliability and flexibility needed to successfully integrate renewables. Notwithstanding this diversity, the approaches taken by the countries studied all coalesce around five strategic areas: lead public engagement, particularly for new transmission; coordinate and integrate planning; develop rules for market evolution that enable system flexibility; expand access to diverse resources and geographic footprint of operations; and improve system operations. This study also emphatically underscores the value of countries sharing their experiences. The more diverse and robust the experience base from which a country can draw, the more likely that it will be able to implement an appropriate, optimized, and system-wide approach.

  13. Abstract--Wind energy is the fastest growing source of renewable energy in the power industry and it will continue to

    E-Print Network [OSTI]

    Tolbert, Leon M.

    1 Abstract--Wind energy is the fastest growing source of renewable energy in the power industry system operators, this increasing contribution of wind energy to the grid poses new challenges that need of energy. Wind energy is the fastest growing source of renewable energy in the power industry

  14. Advanced Power Batteries for Renewable Energy Applications 3.09

    SciTech Connect (OSTI)

    Rodney Shane

    2011-09-30T23:59:59.000Z

    This report describes the research that was completed under project title â?? Advanced Power Batteries for Renewable Energy Applications 3.09, Award Number DE-EE0001112. The report details all tasks described in the Statement of Project Objectives (SOPO). The SOPO includes purchasing of test equipment, designing tooling, building cells and batteries, testing all variables and final evaluation of results. The SOPO is included. There were various types of tests performed during the project, such as; gas collection, float current monitoring, initial capacity, high rate partial state of charge (HRPSoC), hybrid pulse power characterization (HPPC), high rate capacity, corrosion, software modeling and solar life cycle tests. The grant covered a period of two years starting October 1, 2009 and ending September 30, 2011.

  15. Abstract--The integration of variable renewable generation sources continues to be a significant area of focus for power

    E-Print Network [OSTI]

    by this variability, wind generation often requires additional balancing resources to compensate for the variability of additional wind generation into the Northwest Power Pool. It quantifies the number of vehicles required area of focus for power system planning. Renewable portfolio standards and initiatives to reduce

  16. USDA Renewable Energy Systems and Energy Efficiency Improvement...

    Broader source: Energy.gov (indexed) [DOE]

    Agency, under the Rural Energy for America Program, is accepting applications for Renewable Energy Systems and Energy Efficiency Improvement grants of 20,000 or less to...

  17. ReRack: Power Simulation for Data Centers with Renewable Energy Generation

    E-Print Network [OSTI]

    Renau, Jose

    ReRack: Power Simulation for Data Centers with Renewable Energy Generation Michael Brown and Jose://masc.cse.ucsc.edu ABSTRACT Data centers operating cost are dominated by their power consump- tion. Renewable energy sources factors, but the model should be extensive to consider other factors like power gating support. This paper

  18. Draft Fourth Northwest Conservation and Electric Power Plan, Appendix K RENEWABLE RESOURCE CONFIRMATION AGENDA

    E-Print Network [OSTI]

    RESOURCE CONFIRMATION AGENDA The renewable resource confirmation agenda is a set of coordinated research and wind resources. The activities include resource assessment, conflict resolution and renewable-power objectives. Table K-1 Status and Recommendations Regarding the Renewable Resources Confirmation Agenda

  19. Features of a fully renewable US electricity system: Optimized mixes of wind and solar PV and transmission grid extensions

    E-Print Network [OSTI]

    Jacobson, Mark

    in order to follow the de- mand, wind and solar PV power output is largely determined by weather conditions Large-scale integration of renewable power generation Wind power generation Solar PV power generation Power transmission a b s t r a c t A future energy system is likely to rely heavily on wind and solar PV

  20. Integrating Renewables and CHP into the UK Electricity System

    E-Print Network [OSTI]

    Watson, Andrew

    Integrating Renewables and CHP into the UK Electricity System Xueguang Wu, Nick Jenkins, Goran Report 13 #12;1 Integrating Renewables and CHP into the UK Electricity System Tyndall Centre Technical and Regional CHP Projections to 2010 ...............................................18 2.5 Scenarios

  1. Flexibility in 21st Century Power Systems

    SciTech Connect (OSTI)

    Cochran, J.; Miller, M.; Zinaman, O.; Milligan, M.; Arent, D.; Palmintier, B.; O'Malley, M.; Mueller, S.; Lannoye, E.; Tuohy, A.; Kujala, B.; Sommer, M.; Holttinen, H.; Kiviluoma, J.; Soonee, S. K.

    2014-05-01T23:59:59.000Z

    Flexibility of operation--the ability of a power system to respond to change in demand and supply--is a characteristic of all power systems. Flexibility is especially prized in twenty-first century power systems, with higher levels of grid-connected variable renewable energy (primarily, wind and solar). This paper summarizes the analytic frameworks that have emerged to measure this characteristic and distills key principles of flexibility for policy makers.

  2. Coupling Renewable Energy Supply with Deferrable Demand

    E-Print Network [OSTI]

    Papavasiliou, Anthony

    2011-01-01T23:59:59.000Z

    systems absorb large amounts of hydroelectric power. Duringthat snow melts and hydroelectric power supply increases andfrom hydroelectric dams or discards renewable power [53].

  3. Integrating Renewable Energy into the Transmission and Distribution System of the U. S. Virgin Islands

    SciTech Connect (OSTI)

    Burman, K.; Olis, D.; Gevorgian, V.; Warren, A.; Butt, R.; Lilienthal, P.; Glassmire, J.

    2011-09-01T23:59:59.000Z

    This report focuses on the economic and technical feasibility of integrating renewable energy technologies into the U.S. Virgin Islands transmission and distribution systems. The report includes three main areas of analysis: 1) the economics of deploying utility-scale renewable energy technologies on St. Thomas/St. John and St. Croix; 2) potential sites for installing roof- and ground-mount PV systems and wind turbines and the impact renewable generation will have on the electrical subtransmission and distribution infrastructure, and 3) the feasibility of a 100- to 200-megawatt power interconnection of the Puerto Rico Electric Power Authority (PREPA), Virgin Islands Water and Power Authority (WAPA), and British Virgin Islands (BVI) grids via a submarine cable system.

  4. RETHINKING THE FUTURE GRID: INTEGRATED NUCLEAR-RENEWABLE ENERGY SYSTEMS

    SciTech Connect (OSTI)

    S.M. Bragg-Sitton; R. Boardman

    2014-12-01T23:59:59.000Z

    The 2013 electricity generation mix in the United States consisted of ~13% renewables (hydropower, wind, solar, geothermal), 19% nuclear, 27% natural gas, and 39% coal. In the 2011 State of the Union Address, President Obama set a clean energy goal for the nation: “By 2035, 80 percent of America’s electricity will come from clean energy sources. Some folks want wind and solar. Others want nuclear, clean coal and natural gas. To meet this goal we will need them all.” The U.S. Department of Energy (DOE) Offices of Nuclear Energy (NE) and Energy Efficiency and Renewable Energy (EERE) recognize that “all of the above” means that we are called to best utilize all available clean energy sources. To meet the stated environmental goals for electricity generation and for the broader energy sector, there is a need to transform the energy infrastructure of the U.S. and elsewhere. New energy systems must be capable of significantly reducing environmental impacts in an efficient and economically viable manner while utilizing both hydrocarbon resources and clean energy generation sources. The U.S. DOE is supporting research and development that could lead to more efficient utilization of clean energy generation sources, including renewable and nuclear options, to meet both grid demand and thermal energy needs in the industrial sector. A concept being advanced by the DOE-NE and DOE-EERE is tighter coupling of nuclear and renewable energy sources in a manner that better optimizes energy use for the combined electricity, industrial manufacturing, and the transportation sectors. This integration concept has been referred to as a “hybrid system” that is capable of apportioning thermal and electrical energy to first meet the grid demand (with appropriate power conversion systems), then utilizing excess thermal and, in some cases, electrical energy to drive a process that results in an additional product. For the purposes of the present work, the hybrid system would integrate two or more energy resources to generate two or more products, one of which must be an energy commodity, such as electricity or transportation fuel. Subsystems would be integrated ‘‘behind’’ the electrical transmission bus and would be comprised of two or more energy conversion subsystems that have traditionally been separate or isolated. Energy flows would be dynamically apportioned as necessary to meet grid demand via a single, highly responsive connection to the grid that provides dispatchable electricity while capital-intensive generation assets operate at full capacity. Candidate region-specific hybrid energy systems selected for further study and figures of merit that will be used to assess system performance will be presented.

  5. Power management system

    DOE Patents [OSTI]

    Algrain, Marcelo C. (Peoria, IL); Johnson, Kris W. (Washington, IL); Akasam, Sivaprasad (Peoria, IL); Hoff, Brian D. (East Peoria, IL)

    2007-10-02T23:59:59.000Z

    A method of managing power resources for an electrical system of a vehicle may include identifying enabled power sources from among a plurality of power sources in electrical communication with the electrical system and calculating a threshold power value for the enabled power sources. A total power load placed on the electrical system by one or more power consumers may be measured. If the total power load exceeds the threshold power value, then a determination may be made as to whether one or more additional power sources is available from among the plurality of power sources. At least one of the one or more additional power sources may be enabled, if available.

  6. USDA Renewable Energy Systems and Energy Efficiency Improvement Grants

    Broader source: Energy.gov [DOE]

    USDA's Rural Business Cooperative-Service Agency, under the Rural Energy for America Program, is accepting applications for Renewable Energy Systems and Energy Efficiency Improvement grants of $20,000 or less to establish programs to assist agricultural producers and rural small businesses with evaluating the potential to incorporate renewable energy technologies into their operations.

  7. America's Power Plan: Siting - Finding a Home for Renewable Energy...

    Open Energy Info (EERE)

    planning and operations to take better advantage of existing infrastructure and reduce costs of integrating more renewable energy. This paper provides detailed recommendations for...

  8. Renewable energy and telecommunications

    E-Print Network [OSTI]

    Renewable energy and telecommunications Case study: Energy Systems Week When AK Erlang first used fossil fuels and switch to renewable energy sources. But the unlikely convergence of the two fields lay to be able to deal with. "If we integrate renewable energies, such as wind power, in the electricity grid

  9. Integrated Nuclear-Renewable Energy Systems: Foundational Workshop Report

    SciTech Connect (OSTI)

    Shannon Bragg-Sitton; Richard Boardman; John Collins; Mark Ruth; Owen Zinaman; Charles Forsberg

    2014-08-01T23:59:59.000Z

    The U.S. Department of Energy (DOE) recognizes the need to transform the energy infrastructure of the U.S. and elsewhere to systems that can drastically reduce environmental impacts in an efficient and economically viable manner while utilizing both hydrocarbon resources and clean energy generation sources. Thus, DOE is supporting research and development that could lead to more efficient utilization of clean energy generation sources, including renewable and nuclear options. A concept being advanced by the DOE Offices of Nuclear Energy (NE) and Energy Efficiency and Renewable Energy (EERE) is tighter coupling of nuclear and renewable energy sources in a manner that produces new energy currency for the combined electricity grid, industrial manufacturing, and the transportation energy sectors. This integration concept has been referred to as a “hybrid system” that is capable of providing the right type of energy, at the right time, in the right place. At the direction of DOE-NE and DOE-EERE leadership, project leads at Idaho National Laboratory (INL), National Renewable Energy Laboratory (NREL) and Massachusetts Institute of Technology (MIT) have identified and engaged stakeholders in discussing integrated energy systems that would optimize renewable and nuclear energy integration on a region-by-region basis. Subsequent work will entail conduct of technical, economic, environmental and socio-political evaluations of the leading integrated system options based on a set of criteria established with stakeholder input. The Foundational Workshop for Integrated Nuclear – Renewable Energy Systems was organized around the following objectives: 1. Identify and refine priority region-specific opportunities for integrated nuclear-renewable energy systems in the U.S.; 2. Select Figures of Merit (FOM) to rank and prioritize candidate systems; 3. Discuss enabling technology development needs; 4. Identify analysis requirements, capabilities and gaps to estimate FOM for integrated system options; 5. Identify experimental needs to develop and demonstrate nuclear-renewable energy systems.

  10. Short-Term Operation Scheduling in Renewable-Powered Microgrids

    E-Print Network [OSTI]

    Bornemann, Jens

    existing algorithms; 2) an energy storage system (ESS) with suitable capacity contributes to the self. Cold start-up cost of a unit. Dual function. Forecasted demand in time interval . Emission function of a unit. CDF of wind power forecast error. Fuel cost function of a unit. Hot start-up cost of a unit. L

  11. Barriers to the adoption of renewable and energy-efficient technologies in the Vietnamese power sector

    E-Print Network [OSTI]

    Boyer, Edmond

    Barriers to the adoption of renewable and energy-efficient technologies in the Vietnamese power; renewables; energy efficient technologies. *Corresponding author: nhan@centre-cired.fr. Tel: +33 01 43 94 73 Développement, CNRS, France. b Institute of Energy, Vietnam. c The Royal Institute of Technology, Sweden d Asian

  12. Supporting Solar Power in Renewables Portfolio Standards: Experience from the United States

    E-Print Network [OSTI]

    Wiser, Ryan

    2010-01-01T23:59:59.000Z

    solar systems to be estimated using the “PVWatts” software developed by the National Renewable Energy Laboratory, if permitted by state regulations.

  13. FEMP Renewable Energy Overview

    SciTech Connect (OSTI)

    Not Available

    2003-06-01T23:59:59.000Z

    This four-page overview describes how Federal agencies can contact the Department of Energy's Federal Energy Management Program (FEMP) to obtain assistance in acquiring renewable energy systems, renewable fuels, and renewable ("green") power for use in their facilities and vehicles. Renewable resources, technologies, and fuels are described, as well as Federal goals for using clean, sustainable renewable energy; the current goal is to supply 2.5% of the Federal Government's energy with renewable sources by 2005. Also included is a description of the resources and technologies themselves and associated benefits.

  14. The Treatment of Renewable Energy Certificates, Emissions Allowances, and Green Power Programs in State Renewables Portfolio Standards

    E-Print Network [OSTI]

    Holt, Edward A.; Wiser, Ryan H.

    2007-01-01T23:59:59.000Z

    regions with abundant renewable resources may find it inWIRRC: The Wisconsin Renewable Resource Credit Trackingon the type of renewable resource, may be called the “

  15. The Treatment of Renewable Energy Certificates, Emissions Allowances, and Green Power Programs in State Renewables Portfolio Standards

    E-Print Network [OSTI]

    Holt, Edward A.; Wiser, Ryan H.

    2007-01-01T23:59:59.000Z

    Design Guide for Renewable Energy Certificate Tracking2005. “Emerging Markets for Renewable Energy Certificates:Golden, CO: National Renewable Energy Laboratory. http://

  16. Technological impact of Non-Conventional Renewable Energy in the Chilean Electricity System

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    and determine the evolution of technological diversity variables, costs, CO2 emissions and energy injection mix), investment and operating costs, technological diversity, CO2 emissions and the injected powerTechnological impact of Non-Conventional Renewable Energy in the Chilean Electricity System Juan D

  17. Electrical Energy Storage for Renewable Energy Systems

    SciTech Connect (OSTI)

    Helms, C. R.; Cho, K. J.; Ferraris, John; Balkus, Ken; Chabal, Yves; Gnade, Bruce; Rotea, Mario; Vasselli, John

    2012-08-31T23:59:59.000Z

    This program focused on development of the fundamental understanding necessary to significantly improve advanced battery and ultra-capacitor materials and systems to achieve significantly higher power and energy density on the one hand, and significantly lower cost on the other. This program spanned all the way from atomic-level theory, to new nanomaterials syntheses and characterization, to system modeling and bench-scale technology demonstration. Significant accomplishments are detailed in each section. Those particularly noteworthy include: • Transition metal silicate cathodes with 2x higher storage capacity than commercial cobalt oxide cathodes were demonstrated. • MnO? nanowires, which are a promising replacement for RuO?, were synthesized • PAN-based carbon nanofibers were prepared and characterized with an energy density 30-times higher than current ultracapacitors on the market and comparable to lead-acid batteries • An optimization-based control strategy for real-time power management of battery storage in wind farms was developed and demonstrated. • PVDF films were developed with breakdown strengths of > 600MVm?¹, a maximum energy density of approximately 15 Jcm?³, and an average dielectric constant of 9.8 (±1.2). Capacitors made from these films can support a 10-year lifetime operating at an electric field of 200 MV m?¹. This program not only delivered significant advancements in fundamental understanding and new materials and technology, it also showcased the power of the cross-functional, multi-disciplinary teams at UT Dallas and UT Tyler for such work. These teams are continuing this work with other sources of funding from both industry and government.

  18. Power System Planning: Emerging Practices Suitable for Evaluating the Impact of High-Penetration Photovoltaics

    SciTech Connect (OSTI)

    Bebic, J.

    2008-02-01T23:59:59.000Z

    This report explores the impact of high-penetration renewable generation on electric power system planning methodologies and outlines how these methodologies are evolving to enable effective integration of variable-output renewable generation sources.

  19. Renewable Power Options for Electricity Generation on Kauai...

    Energy Savers [EERE]

    this demand growth, however they are not modeled in HOMER. 2.6 Renewable Energy Model Development PV Size and Energy Storage Assumptions The cost of PV varies widely across the...

  20. Idaho Power Develops Renewable Integration Tool for More Cost...

    Broader source: Energy.gov (indexed) [DOE]

    developed a Renewables Integration Tool (RIT) that enables grid operators to use wind energy more cost-effectively to serve electricity customers in Idaho and Oregon. The tool was...

  1. Renewable Energy and Inter-Island Power Transmission (Presentation)

    SciTech Connect (OSTI)

    Gevorgian, V.

    2011-05-01T23:59:59.000Z

    This presentation summarizes recent findings pertaining to inter-island connection of renewable and other energy sources, in particular, as these findings relate cable options, routing, specifications, and pros and cons.

  2. Potential Role of Concentrating Solar Power in Enabling High Renewables Scenarios in the United States

    SciTech Connect (OSTI)

    Denholm, P.; Hand, M.; Mai, T.; Margolis, R.; Brinkman, G.; Drury, E.; Mowers, M.; Turchi, C.

    2012-10-01T23:59:59.000Z

    This work describes the analysis of concentrating solar power (CSP) in two studies -- The SunShot Vision Study and the Renewable Electricity Futures Study -- and the potential role of CSP in a future energy mix.

  3. Solar powered desalination system

    E-Print Network [OSTI]

    Mateo, Tiffany Alisa

    2011-01-01T23:59:59.000Z

    of the electrical power output to the solar power input), aSolar Energy Calculator using Google Maps 23 Table 1.24: PV System Power Production Average Daily Irradiance (kWh/m2) Instillation Efficiency Labeled Efficiency Output

  4. Renewable Energy Systems | Clean Energy | ORNL

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's PossibleRadiation Protection Technical s o Freiberge s 3 c/)Renewable

  5. Integrating Renewable Energy Using Data Analytics Systems: Challenges and Opportunities

    E-Print Network [OSTI]

    California at Berkeley, University of

    Engineering and Computer Science University of California, Berkeley International Computer Science Institute plants to match such supplies to conventional loads. We present an alternative solution, in which supply-following loads adjust their power consumption to match the avail- able renewable energy supply. We show Internet

  6. Power Transfer Potential to the Southeast in Response to a Renewable Portfolio Standard: Interim Report 1

    SciTech Connect (OSTI)

    Hadley, Stanton W [ORNL; Key, Thomas S [Electric Power Research Institute (EPRI)

    2009-03-01T23:59:59.000Z

    The power transfer potential for bringing renewable energy into the Southeast in response to a renewable portfolio standard (RPS) will depend not only on available transmission capacity but also on electricity supply and demand factors. This interim report examines how the commonly used EIA NEMS and EPRI NESSIE energy equilibrium models are considering such power transfers. Using regional estimates of capacity expansion and demand, a base case for 2008, 2020 and 2030 are compared relative to generation mix, renewable deployments, planned power transfers, and meeting RPS goals. The needed amounts of regional renewable energy to comply with possible RPS levels are compared to inter-regional transmission capacities to establish a baseline available for import into the Southeast and other regions. Gaps in the renewable generation available to meet RPS requirements are calculated. The initial finding is that the physical capability for transferring renewable energy into the SE is only about 10% of what would be required to meet a 20% RPS. Issues that need to be addressed in future tasks with respect to modeling are the current limitations for expanding renewable capacity and generation in one region to meet the demand in another and the details on transmission corridors required to deliver the power.

  7. Solar Power To Help Convert Carbon Dioxide Into Fuel : Renewable Energy News

    E-Print Network [OSTI]

    Lovley, Derek

    Solar Power To Help Convert Carbon Dioxide Into Fuel : Renewable Energy News TUESDAY 25 MAY, 2010 | | Solar Power To Help Convert Carbon Dioxide Into Fuel by Energy Matters Microbiologist Derek Lovley dioxide into transportation fuels, with the help of special micro-organisms and solar power. The team

  8. Optimal timeouts for power management under renewal or hidden Markov processes for requests

    E-Print Network [OSTI]

    .g. laser, solid ink) and is usually larger than the power consumption in idle mode. In the sequelOptimal timeouts for power management under renewal or hidden Markov processes for requests Victor mode, so as to optimize a trade-off between power consumption and user impact. The optimal timeout

  9. Integrating Variable Renewable Energy in Electric Power Markets: Best Practices from International Experience (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-10-01T23:59:59.000Z

    Many countries--reflecting very different geographies, markets, and power systems--are successfully managing high levels of variable renewable energy (RE) on the grid. Australia (South Australia), Denmark, Germany, Ireland, Spain, and the United States (Colorado and Texas), for example, have effectively integrated variable RE utilizing diverse approaches. Analysis of the results from these case studies reveals a wide range of mechanisms that can be used to accommodate high penetrations of variable RE (e.g., from new market designs to centralized planning). Nevertheless, the myriad approaches collectively suggest that governments can best enable variable RE grid integration by implementing best practices in five areas of intervention: lead public engagement, particularly for new transmission; coordinate and integrate planning; develop rules for market evolution that enable system flexibility; expand access to diverse resources and geographic footprint of operations; and improve system operations.

  10. Optimizing a Hybrid Energy Storage System for a Virtual Power Plant for Improved Wind Power

    E-Print Network [OSTI]

    Teodorescu, Remus

    . Possibilities to overcome this problem are to increase transmission capacities, demand side management approach to find two optimum energy storages (ESs) to build a hybrid system which is part of a virtual and the EU renewable directive [1] is even demanding for even higher rates of renewable power generation

  11. Renewable Energy Systems Americas | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎ | RoadmapRenewable Energy RFPs HomeResources,(RES UK

  12. Renewable and Distributed Systems Integration Peer Review

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn April 23, 2014, an OHASeptember 2010InJanuaryGeothermalRenewableSolar ThermalAn RPS is4

  13. Wind power on BPA system sets another new record

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    RELEASE Tuesday, March 20, 2012 CONTACT: Mike Hansen, BPA 503-230-4328 or 503-230-5131 Wind power on BPA system sets another new record The renewable resource passes 4,000...

  14. Advances in electric power systems : robustness, adaptability, and fairness

    E-Print Network [OSTI]

    Sun, Xu Andy

    2011-01-01T23:59:59.000Z

    The electricity industry has been experiencing fundamental changes over the past decade. Two of the arguably most significant driving forces are the integration of renewable energy resources into the electric power system ...

  15. Canada Research Chair (Tier 2) Renewable Energy Systems

    E-Print Network [OSTI]

    Northern British Columbia, University of

    intends to take a leadership role in developing research to support local renewable energy systems with environmental concerns related to fossil fuel consumption call for the development of new sources of energy of such systems include local/regional energy security and diversification of local economies. A key challenge

  16. A Stochastic Calculus for Network Systems with Renewable Energy Sources

    E-Print Network [OSTI]

    Wu, Kui; Marinakis, Dimitri

    2011-01-01T23:59:59.000Z

    We consider the performance modeling and evaluation of network systems powered with renewable energy sources such as solar and wind energy. Such energy sources largely depend on environmental conditions, which are hard to predict accurately. As such, it may only make sense to require the network systems to support a soft quality of service (QoS) guarantee, i.e., to guarantee a service requirement with a certain high probability. In this paper, we intend to build a solid mathematical foundation to help better understand the stochastic energy constraint and the inherent correlation between QoS and the uncertain energy supply. We utilize a calculus approach to model the cumulative amount of charged energy and the cumulative amount of consumed energy. We derive upper and lower bounds on the remaining energy level based on a stochastic energy charging rate and a stochastic energy discharging rate. By building the bridge between energy consumption and task execution (i.e., service), we study the QoS guarantee under...

  17. Modeling Power System Operation with Intermittent Resources

    SciTech Connect (OSTI)

    Marinovici, Maria C.; Kirkham, Harold; Glass, Kevin A.; Carlsen, Leif C.

    2013-02-27T23:59:59.000Z

    Electricity generating companies and power system operators face the need to minimize total fuel cost or maximize total profit over a given time period. These issues become optimization problems subject to a large number of constraints that must be satisfied simultaneously. The grid updates due to smart-grid technologies plus the penetration of intermittent re- sources in electrical grid introduce additional complexity to the optimization problem. The Renewable Integration Model (RIM) is a computer model of interconnected power system. It is intended to provide insight and advice on complex power systems management, as well as answers to integration of renewable energy questions. This paper describes RIM basic design concept, solution method, and the initial suite of modules that it supports.

  18. Renewable Energy System Test and Support Laboratory , T L Pryor2

    E-Print Network [OSTI]

    ACRELab Renewable Energy System Test and Support Laboratory T Spooner1 , T L Pryor2 , N Wilmot3 , G for Renewable Energy AUSTRALIA Abstract ACRELab is a new testing laboratory for Renewable Energy (RE) systems. It is located at the headquarters of the Australian CRC for Renewable Energy (ACRE) on the Murdoch University

  19. Power Transfer Potential to the Southeast in Response to a Renewable Portfolio Standard: Interim Report 2

    SciTech Connect (OSTI)

    Hadley, Stanton W [ORNL; Key, Thomas S [Electric Power Research Institute (EPRI); Deb, Rajat [LCG Consulting

    2009-05-01T23:59:59.000Z

    Electricity consumption in the Southeastern US, not including Florida, is approximately 24% of the total US. The availability of renewable resources for electricity production is relatively small compared to the high consumption. Therefore meeting a national renewable portfolio standard (RPS) is particularly challenging in this region. Neighboring regions, particularly to the west, have significant wind resources and given sufficient long distant transmission these resources could serve energy markets in the SE. This report looks at renewable resource supply relative to demands and the potential for power transfer into the SE. It shows that development of wind resources will depend not only on available transmission capacity but also on electricity supply and demand factors.

  20. Opportunities for Synergy Between Natural Gas and Renewable Energy in the Electric Power and Transportation Sectors

    SciTech Connect (OSTI)

    Lee, A.; Zinaman, O.; Logan, J.

    2012-12-01T23:59:59.000Z

    Use of both natural gas and renewable energy has grown significantly in recent years. Both forms of energy have been touted as key elements of a transition to a cleaner and more secure energy future, but much of the current discourse considers each in isolation or concentrates on the competitive impacts of one on the other. This paper attempts, instead, to explore potential synergies of natural gas and renewable energy in the U.S. electric power and transportation sectors.

  1. Load-shedding probabilities with hybrid renewable power generation and energy storage

    E-Print Network [OSTI]

    Xu , Huan

    Load-shedding probabilities with hybrid renewable power generation and energy storage Huan Xu, Ufuk to the intermittency in the power output. These difficulties can be alleviated by effectively utilizing energy storage turbines, supplemented with energy storage. We use a simple storage model alongside a combination

  2. Aging management of nuclear power plant containments for license renewal

    SciTech Connect (OSTI)

    Liu, W.C.; Kuo, P.T.; Lee, S.S.

    1997-09-01T23:59:59.000Z

    In 1990, the Nuclear Management and Resources Council (NUMARC), now the Nuclear Energy Institute (NEI), submitted for NRC review, the industry reports (IRs), NUMARC Report 90-01 and NUMARC Report 90-10, addressing aging management issues associated with PWR containments and BWR containments for license renewal, respectively. In 1996, the Commission amended 10 CFR 50.55a to promulgate requirements for inservice inspection of containment structures. This rule amendment incorporates by reference the 1992 Edition with the 1992 Addenda of Subsections IWE and IWL of the ASME Code addressing the inservice inspection of metal containments/liners and concrete containments, respectively. The purpose of this report is to reconcile the technical information and agreements resulting from the NUMARC IR reviews which are generally described in NUREG-1557 and the inservice inspection requirements of subsections IWE and IWL as promulgated in {section}50.55a for license renewal consideration. This report concludes that Subsections IWE and IWL as endorsed in {section}50.55a are generally consistent with the technical agreements reached during the IR reviews. Specific exceptions are identified and additional evaluations and augmented inspections for renewal are recommended.

  3. EVermont Renewable Hydrogen Production and Transportation Fueling System

    SciTech Connect (OSTI)

    Garabedian, Harold T.

    2008-03-30T23:59:59.000Z

    A great deal of research funding is being devoted to the use of hydrogen for transportation fuel, particularly in the development of fuel cell vehicles. When this research bears fruit in the form of consumer-ready vehicles, will the fueling infrastructure be ready? Will the required fueling systems work in cold climates as well as they do in warm areas? Will we be sure that production of hydrogen as the energy carrier of choice for our transit system is the most energy efficient and environmentally friendly option? Will consumers understand this fuel and how to handle it? Those are questions addressed by the EVermont Wind to Wheels Hydrogen Project: Sustainable Transportation. The hydrogen fueling infrastructure consists of three primary subcomponents: a hydrogen generator (electrolyzer), a compression and storage system, and a dispenser. The generated fuel is then used to provide transportation as a motor fuel. EVermont Inc., started in 1993 by then governor Howard Dean, is a public-private partnership of entities interested in documenting and advancing the performance of advanced technology vehicles that are sustainable and less burdensome on the environment, especially in areas of cold climates, hilly terrain and with rural settlement patterns. EVermont has developed a demonstration wind powered hydrogen fuel producing filling system that uses electrolysis, compression to 5000 psi and a hydrogen burning vehicle that functions reliably in cold climates. And that fuel is then used to meet transportation needs in a hybrid electric vehicle whose internal combustion engine has been converted to operate on hydrogen Sponsored by the DOE EERE Hydrogen, Fuel Cells & Infrastructure Technologies (HFC&IT) Program, the purpose of the project is to test the viability of sustainably produced hydrogen for use as a transportation fuel in a cold climate with hilly terrain and rural settlement patterns. Specifically, the project addresses the challenge of building a renewable transportation energy capable system. The prime energy for this project comes from an agreement with a wind turbine operator.

  4. Mill Seat Landfill Bioreactor Renewable Green Power (NY)

    SciTech Connect (OSTI)

    Barton & Loguidice, P.C.

    2010-01-07T23:59:59.000Z

    The project was implemented at the Mill Seat landfill located in the Town of Bergen, Monroe County, New York. The landfill was previously equipped with a landfill gas collection system to collect methane gas produced by the bioreactor landfill and transport it to a central location for end use. A landfill gas to energy facility was also previously constructed at the site, which utilized generator engines, designed to be powered with landfill methane gas, to produce electricity, to be utilized on site and to be sold to the utility grid. The landfill gas generation rate at the site had exceeded the capacity of the existing generators, and the excess landfill gas was therefore being burned at a candlestick flare for destruction. The funded project consisted of the procurement and installation of two (2) additional 800 KW Caterpillar 3516 generator engines, generator sets, switchgear and ancillary equipment.

  5. Determining the best source of renewable electricity to power a remote site for the National Park Service

    SciTech Connect (OSTI)

    Azerbegl, R.; Mas, C.; Walker, A.; Morris, R.; Christensen, J.

    1999-07-01T23:59:59.000Z

    Renewable energy technologies have economic and environmental advantages in many remote applications. They can provide most of the power to off-grid loads, where batteries and another power source such as a generator or a fuel cell may be required to ensure availability and feasibility. In support of the National Park Service, the Federal Energy Management Program Team at the National Renewable Energy Laboratory has evaluated several methods for providing a renewable source of electricity to a beach campsite at Kirby Cove, Marin County, California. This site requires 2 kWh per day to power a campground host in a motor home five months power year. The existing electricity line to the site is in need of replacement and the NPS is interested in evaluating more cost-effective and environmentally sensitive alternatives. Photovoltaics, tidal current, and wind power systems in combination with a back-up electric system (standard, thermoelectric, and Stirling generator and fuel cell) and an energy storage medium (battery, flywheel, and hydrogen) were analyzed. Multi-objective optimization criteria include initial cost, operating cost, emissions, maintenance requirements, and to be consistent with the NPS requirements, the system must be clean, silent, and sustainable. The best system combination was designed according to these evaluation criteria and a demonstration system is to be constructed. This paper describes the optimization procedure and design. Results indicate that a 800 Watt photovoltaic array with a hydrogen fuel cell best serves the requirements for clean, silent power. Since fuel cells are developmental, a propane generator is recommended as an alternative.

  6. Abstract Microgrids are a new concept for future energy dis-tribution systems that enable renewable energy integration and

    E-Print Network [OSTI]

    Collins, Emmanuel

    1 Abstract ­ Microgrids are a new concept for future energy dis- tribution systems that enable renewable energy integration and improved energy management capability. Microgrids consist of multiple power quality and power distribution reliability, microgrids need to operate in both grid

  7. Risk-Limiting Dispatch for Integrating Renewable Power Ram Rajagopal

    E-Print Network [OSTI]

    Varaiya, Pravin

    be balanced. Based on the forecasts, the SO purchases blocks of conventional power ahead of real time. The purchase contracts guarantee delivery of power over a specified block or interval of time, with each block block. Figure 1: Power block si is purchased ti-ahead of real time t; net demand is D(t). In addition

  8. Renewing America's Nuclear Power Partnership for Energy Security and

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011 Strategic2 OPAM615_CostNSAR -Department of Energyasto theandRenewable

  9. CalRENEW-1 Solar Power Plant | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof Energy 2,AUDIT REPORT Americium/CuriumAguaBBBWind-BrizaHKC WindCTCalRENEW-1 Solar

  10. Alternative Trading Arrangements for Intermittent Renewable Power: A

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof Energy 2,AUDITCaliforniaWeifangwikiAgouraAlbatech srlFinanceCentralised Renewables

  11. Renewable Fuel Heating Plant SyStem SpecificationS

    E-Print Network [OSTI]

    Renewable Fuel Heating Plant SyStem SpecificationS Manufacturer: Advanced Recycling Equipment efficiency of natural gas combustion) The facility is designed to meet additional future heating loads, so annual output will increase when the Research Support Facility comes online What it will heat

  12. Investment Model for Renewable Electricity Systems (IMRES): an

    E-Print Network [OSTI]

    McCalley, James D.

    commitment and energy dispatch are taken jointly. The purpose of this model is to determine the minimum cost-016 AJointCenteroftheDepartmentofEconomics,MITEnergyInitiativeandMITSloanSchoolofManagement. #12;Investment electricity generation capacity mix in systems with a high penetration of intermittent renewable energy

  13. Control of a wind power system based on a tethered wing

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    , hydraulic systems, etc. The wind turbine are certainly playing a major role in creating renewable energies overcome the drawbacks of standard power generation systems like nuclear power, gas turbine generator

  14. Sandia National Laboratories: Renewable Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Renewable Systems On November 4, 2010, in Renewable Systems Renewable Energy Transportation Nuclear Fossil Energy Efficiency Publications Events News Renewable Systems The...

  15. Residential Renewable Energy System Tax Credit

    Broader source: Energy.gov [DOE]

    To receive the credit applicants must obtain system certification from the State Energy office, or the systems must be installed by a contractor holding a contractor certification issued by the S...

  16. SWERA: In the Case of Renewable Energy, Knowledge IS Power -...

    Open Energy Info (EERE)

    IS Power Followers 0 Organization unep UNEP There is no description for this organization Social Google+ Twitter Facebook License Creative Commons Attribution 4.0 Open Data...

  17. Crowd-powered systems

    E-Print Network [OSTI]

    Bernstein, Michael Scott

    2012-01-01T23:59:59.000Z

    Crowd-powered systems combine computation with human intelligence, drawn from large groups of people connecting and coordinating online. These hybrid systems enable applications and experiences that neither crowds nor ...

  18. Power System load management

    SciTech Connect (OSTI)

    Rudenko, Yu.N.; Semenov, V.A.; Sovalov, S.A.; Syutkin, B.D.

    1984-01-01T23:59:59.000Z

    The variation in demand nonuniformity is analyzed for the Unified Electric Power System of the USSR and certain interconnected power systems; the conditions for handling such nonuniformity with utilization of generating equipment having differing flexibility capabilities are also considered. On this basis approaches and techniques for acting on user loads, load management, in order to assure a balance between generated and consumed power are considered.

  19. Suppressing the non-Gaussian statistics of Renewable Power from Wind and Solar

    E-Print Network [OSTI]

    Anvari, M; Tabar, M Reza Rahimi; Wächter, M; Milan, P; Heinemann, D; Peinke, Joachim; Lorenz, E

    2015-01-01T23:59:59.000Z

    The power from wind and solar exhibits a nonlinear flickering variability, which typically occurs at time scales of a few seconds. We show that high-frequency monitoring of such renewable powers enables us to detect a transition, controlled by the field size, where the output power qualitatively changes its behaviour from a flickering type to a diffusive stochastic behaviour. We find that the intermittency and strong non-Gaussian behavior in cumulative power of the total field, even for a country-wide installation still survives for both renewable sources. To overcome the short time intermittency, we introduce a time-delayed feedback method for power output of wind farm and solar field that can change further the underlying stochastic process and suppress their strong non- gaussian fluctuations.

  20. Tss4U BV formerly Holecsol R S Renewable Energy Systems and Shell...

    Open Energy Info (EERE)

    Tss4U BV formerly Holecsol R S Renewable Energy Systems and Shell Solar Energy Jump to: navigation, search Name: Tss4U BV (formerly Holecsol, R&S Renewable Energy Systems and Shell...

  1. PowerIt Renewable Energy Pvt Ltd | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation,Pillar Group BV Jump to: navigation,Power Rental Market SizePowerGenix JumpPowerIt

  2. Message passing for integrating and assessing renewable generation in a redundant power grid

    SciTech Connect (OSTI)

    Zdeborova, Lenka [Los Alamos National Laboratory; Backhaus, Scott [Los Alamos National Laboratory; Chertkov, Michael [Los Alamos National Laboratory

    2009-01-01T23:59:59.000Z

    A simplified model of a redundant power grid is used to study integration of fluctuating renewable generation. The grid consists of large number of generator and consumer nodes. The net power consumption is determined by the difference between the gross consumption and the level of renewable generation. The gross consumption is drawn from a narrow distribution representing the predictability of aggregated loads, and we consider two different distributions representing wind and solar resources. Each generator is connected to D consumers, and redundancy is built in by connecting R {le} D of these consumers to other generators. The lines are switchable so that at any instance each consumer is connected to a single generator. We explore the capacity of the renewable generation by determining the level of 'firm' generation capacity that can be displaced for different levels of redundancy R. We also develop message-passing control algorithm for finding switch sellings where no generator is overloaded.

  3. Renewable Electricity Futures (Presentation)

    SciTech Connect (OSTI)

    Mai, T.

    2012-08-01T23:59:59.000Z

    This presentation summarizes findings of NREL's Renewable Electricity Futures study, published in June 2012. RE Futures investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050. It was presented in a Power Systems Engineering Research Center webinar on September 4, 2012.

  4. Reliability Evaluation of Electric Power Generation Systems with Solar Power

    E-Print Network [OSTI]

    Samadi, Saeed

    2013-11-08T23:59:59.000Z

    Conventional power generators are fueled by natural gas, steam, or water flow. These generators can respond to fluctuating load by varying the fuel input that is done by a valve control. Renewable power generators such as wind or solar, however...

  5. National Renewable Energy Laboratory's Hydrogen Technologies and Systems Center is Helping to Facilitate the Transition to a New Energy Future

    SciTech Connect (OSTI)

    Not Available

    2011-01-01T23:59:59.000Z

    The Hydrogen Technologies and Systems Center (HTSC) at the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) uses a systems engineering and integration approach to hydrogen research and development to help the United States make the transition to a new energy future - a future built on diverse and abundant domestic renewable resources and integrated hydrogen systems. Research focuses on renewable hydrogen production, delivery, and storage; fuel cells and fuel cell manufacturing; technology validation; safety, codes, and standards; analysis; education; and market transformation. Hydrogen can be used in fuel cells to power vehicles and to provide electricity and heat for homes and offices. This flexibility, combined with our increasing demand for energy, opens the door for hydrogen power systems. HTSC collaborates with DOE, other government agencies, industry, communities, universities, national laboratories, and other stakeholders to promote a clean and secure energy future.

  6. Asymptotically Optimal Power-Aware Routing for Multihop Wireless Networks with Renewable

    E-Print Network [OSTI]

    Srikant, Rayadurgam

    1 Asymptotically Optimal Power-Aware Routing for Multihop Wireless Networks with Renewable Energy the performance of multihop radio networks in the presence of energy constraints, and design routing algorithms to optimally utilize the available energy. The energy model allows vastly different energy sources

  7. Wind Power: A Clean and Renewable Supplement to the World's Energy Mix Michael Treadow

    E-Print Network [OSTI]

    Mauzerall, Denise

    in less developed regions, demand for energy is greater now than ever before and will continue to riseWind Power: A Clean and Renewable Supplement to the World's Energy Mix Michael Treadow May 8, 2006 contributor to the world's energy supply in years to come. Not only is it inexhaustible and free

  8. Live Webinar on EERE’s FY15 Budget for Renewable Power

    Broader source: Energy.gov [DOE]

    On April 1, 2014, the Office of Energy Efficiency & Renewable Energy’s (EERE) Wind and Water Power Technologies Office will present its FY15 budget. Deputy Assistant Secretary Steve Chalk will present the EERE overview and Program Director Jose Zayas will discuss details of the Program’s FY15 budget request.

  9. Flexibility in 21st Century Power Systems (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-10-01T23:59:59.000Z

    Flexibility of operation--the ability of a power system to respond to change in demand and supply--is a characteristic of all power systems. Flexibility is especially prized in twenty-first century power systems, with higher levels of grid-connected variable renewable energy (primarily, wind and solar). Sources of flexibility exist--and can be enhanced--across all of the physical and institutional elements of the power system, including system operations and markets, demand side resources and storage; generation; and transmission networks. Accessing flexibility requires significant planning to optimize investments and ensure that both short- and long-time power system requirements are met.

  10. Premier Power Renewable Energy Inc | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroupPerfectenergyInformation toPower andPoyry GroupPremier Power

  11. Design, Modeling and Testing of the Askaryan Radio Array South Pole Autonomous Renewable Power Stations

    E-Print Network [OSTI]

    Besson, D Z; Ratzlaff, K; Young, R

    2014-01-01T23:59:59.000Z

    We describe the design, construction and operation of the Askaryan Radio Array (ARA) Autonomous Renewable Power Stations, initially installed at the South Pole in December, 2010 with the goal of providing an independently operating 100 W power source capable of year-round operation in extreme environments. In addition to particle astrophysics applications at the South Pole, such a station can easily be, and has since been, extended to operation elsewhere, as described herein.

  12. Power Systems Control Architecture

    SciTech Connect (OSTI)

    James Davidson

    2005-01-01T23:59:59.000Z

    A diagram provided in the report depicts the complexity of the power systems control architecture used by the national power structure. It shows the structural hierarchy and the relationship of the each system to those other systems interconnected to it. Each of these levels provides a different focus for vulnerability testing and has its own weaknesses. In evaluating each level, of prime concern is what vulnerabilities exist that provide a path into the system, either to cause the system to malfunction or to take control of a field device. An additional vulnerability to consider is can the system be compromised in such a manner that the attacker can obtain critical information about the system and the portion of the national power structure that it controls.

  13. Hybrid robust predictive optimization method of power system dispatch

    DOE Patents [OSTI]

    Chandra, Ramu Sharat (Niskayuna, NY); Liu, Yan (Ballston Lake, NY); Bose, Sumit (Niskayuna, NY); de Bedout, Juan Manuel (West Glenville, NY)

    2011-08-02T23:59:59.000Z

    A method of power system dispatch control solves power system dispatch problems by integrating a larger variety of generation, load and storage assets, including without limitation, combined heat and power (CHP) units, renewable generation with forecasting, controllable loads, electric, thermal and water energy storage. The method employs a predictive algorithm to dynamically schedule different assets in order to achieve global optimization and maintain the system normal operation.

  14. Power Plant Options Report for Thompson Island prepared by the

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    Power Plant Options Report for Thompson Island A report prepared by the Renewable Energy Research....................................................................... 7 3. Grid-connected and Autonomous Renewable Power Systems ................................ 9 3.1. Renewable Power Sources .............................................................................. 9 3

  15. Photovoltaic power plant as FACTS devices in multi-feeder systems

    E-Print Network [OSTI]

    Moawwad, Ahmed

    This paper illustrates possible configurations for a large-scale photovoltaic power plant (PV), to operate as a FACTS (flexible AC transmission system) device in addition to operating as a source of renewable power generation. ...

  16. A Comparison of Methods for Sizing Energy Storage Devices in Renewable Energy Systems Thomas Bailey

    E-Print Network [OSTI]

    Victoria, University of

    A Comparison of Methods for Sizing Energy Storage Devices in Renewable Energy Systems by Thomas of Methods for Sizing Energy Storage Devices in Renewable Energy Systems by Thomas Bailey B.Eng, University, storage technologies are proposed as a means to increase the penetration of renewable energy, to minimize

  17. Current Activities at the ACRELab Renewable Energy Systems Test T.L. Pryor1

    E-Print Network [OSTI]

    of the Australian CRC for Renewable Energy (ACRE) on the Murdoch University campus in Perth, Western Australia is a testing laboratory for Renewable Energy (RE) Systems based at the ACRE headquarters in Perth, AustraliaCurrent Activities at the ACRELab Renewable Energy Systems Test Facility T.L. Pryor1 , E.S. Spooner

  18. Control of Systems that Store Renewable Energy Neda Edalat, Mehul Motani

    E-Print Network [OSTI]

    Huang, Longbo

    Control of Systems that Store Renewable Energy Neda Edalat, Mehul Motani Department of Electrical longbohuang@tsinghua.edu.cn ABSTRACT This paper studies the control of systems that store renew- able energy charge. This paper illustrates these methods with a number of ex- amples. Keywords Renewable energy

  19. Power Transfer Potential to the Southeast in Response to a Renewable Portfolio Standard: Final Report

    SciTech Connect (OSTI)

    Key, Thomas S [Electric Power Research Institute (EPRI); Hadley, Stanton W [ORNL; Deb, Rajat [LCG Consulting

    2010-02-01T23:59:59.000Z

    Electricity consumption in the Southeastern US, including Florida, is approximately 32% of the total US. The availability of renewable resources for electricity production is relatively small compared to the high consumption. Therefore meeting a national renewable portfolio standard (RPS) is particularly challenging in this region. Neighboring regions, particularly to the west, have significant wind resources and given sufficient transmission these resources could serve energy markets in the SE. This report looks at renewable resource supply relative to demands and the potential for power transfer into the SE. We found that significant wind energy transfers, at the level of 30-60 GW, are expected to be economic in case of federal RPC or CO2 policy. Development of wind resources will depend not only on the available transmission capacity and required balancing resources, but also on electricity supply and demand factors.

  20. Powered by Renewables formerly Nevada Wind | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation,Pillar Group BV Jump to: navigation,Power Rental Market Place:

  1. ProPower Renewable Energy Shanghai Ltd | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal PwerPerkins County, Nebraska:Precourt Institute for EnergyWister| OpenEISol Energia SAProPower

  2. Efficient Power System State Estimation

    E-Print Network [OSTI]

    Lavaei, Javad

    monitoring of power systems. 2. Background Power systems have four main components: transmission, sub-transmissionEfficient Power System State Estimation Zafirah Baksh Expected BS, Department of Electrical Engineering May 2013 ELEN E4511 Power Systems Analysis Professor Javad Lavaeiyanesi #12;1. Introduction Power

  3. TidGen Power System Commercialization Project

    SciTech Connect (OSTI)

    Sauer, Christopher R. [President & CEO] [President & CEO; McEntee, Jarlath [VP Engineering & CTO] [VP Engineering & CTO

    2013-12-30T23:59:59.000Z

    ORPC Maine, LLC, a wholly-owned subsidiary of Ocean Renewable Power Company, LLC (collectively ORPC), submits this Final Technical Report for the TidGen® Power System Commercialization Project (Project), partially funded by the U.S. Department of Energy (DE-EE0003647). The Project was built and operated in compliance with the Federal Energy Regulatory Commission (FERC) pilot project license (P-12711) and other permits and approvals needed for the Project. This report documents the methodologies, activities and results of the various phases of the Project, including design, engineering, procurement, assembly, installation, operation, licensing, environmental monitoring, retrieval, maintenance and repair. The Project represents a significant achievement for the renewable energy portfolio of the U.S. in general, and for the U.S. marine hydrokinetic (MHK) industry in particular. The stated Project goal was to advance, demonstrate and accelerate deployment and commercialization of ORPC’s tidal-current based hydrokinetic power generation system, including the energy extraction and conversion technology, associated power electronics, and interconnection equipment capable of reliably delivering electricity to the domestic power grid. ORPC achieved this goal by designing, building and operating the TidGen® Power System in 2012 and becoming the first federally licensed hydrokinetic tidal energy project to deliver electricity to a power grid under a power purchase agreement in North America. Located in Cobscook Bay between Eastport and Lubec, Maine, the TidGen® Power System was connected to the Bangor Hydro Electric utility grid at an on-shore station in North Lubec on September 13, 2012. ORPC obtained a FERC pilot project license for the Project on February 12, 2012 and the first Maine Department of Environmental Protection General Permit issued for a tidal energy project on January 31, 2012. In addition, ORPC entered into a 20-year agreement with Bangor Hydro Electric Company on January 1, 2013 for up to 5 megawatts at a price of $215/MWh, escalating at 2.0% per year.

  4. Power Systems Development Facility

    SciTech Connect (OSTI)

    Southern Company Services

    2009-01-31T23:59:59.000Z

    In support of technology development to utilize coal for efficient, affordable, and environmentally clean power generation, the Power Systems Development Facility (PSDF), located in Wilsonville, Alabama, has routinely demonstrated gasification technologies using various types of coals. The PSDF is an engineering scale demonstration of key features of advanced coal-fired power systems, including a Transport Gasifier, a hot gas particulate control device, advanced syngas cleanup systems, and high-pressure solids handling systems. This final report summarizes the results of the technology development work conducted at the PSDF through January 31, 2009. Twenty-one major gasification test campaigns were completed, for a total of more than 11,000 hours of gasification operation. This operational experience has led to significant advancements in gasification technologies.

  5. Biomass power and state renewable energy policies under electric industry restructuring

    E-Print Network [OSTI]

    Porter, Kevin; Wiser, Ryan

    2000-01-01T23:59:59.000Z

    for existing renewable resources, mostly biomass, municipalII renewable applies to existing MSW and biomass facilitiessome renewable energy capacity, including biomass. State RPS

  6. Laser satellite power systems

    SciTech Connect (OSTI)

    Walbridge, E.W.

    1980-01-01T23:59:59.000Z

    A laser satellite power system (SPS) converts solar power captured by earth-orbiting satellites into electrical power on the earth's surface, the satellite-to-ground transmission of power being effected by laser beam. The laser SPS may be an alternative to the microwave SPS. Microwaves easily penetrate clouds while laser radiation does not. Although there is this major disadvantage to a laser SPS, that system has four important advantages over the microwave alternative: (1) land requirements are much less, (2) radiation levels are low outside the laser ground stations, (3) laser beam sidelobes are not expected to interfere with electromagnetic systems, and (4) the laser system lends itself to small-scale demonstration. After describing lasers and how they work, the report discusses the five lasers that are candidates for application in a laser SPS: electric discharge lasers, direct and indirect solar pumped lasers, free electron lasers, and closed-cycle chemical lasers. The Lockheed laser SPS is examined in some detail. To determine whether a laser SPS will be worthy of future deployment, its capabilities need to be better understood and its attractiveness relative to other electric power options better assessed. First priority should be given to potential program stoppers, e.g., beam attenuation by clouds. If investigation shows these potential program stoppers to be resolvable, further research should investigate lasers that are particularly promising for SPS application.

  7. Research in Energy Systems Integration at the National Renewable Energy Laboratory

    E-Print Network [OSTI]

    Research in Energy Systems Integration at the National Renewable Energy Laboratory Speaker: Dr, renewable energy, and distributed energy resources. These efforts have started new industries Renewable Energy Laboratory in Golden, CO, where he leads a group that performs research in distributed

  8. STOCHASTIC HYBRID SYSTEMS WITH RENEWAL TRANSITIONS: MOMENT ANALYSIS WITH APPLICATION TO

    E-Print Network [OSTI]

    Hespanha, João Pedro

    STOCHASTIC HYBRID SYSTEMS WITH RENEWAL TRANSITIONS: MOMENT ANALYSIS WITH APPLICATION TO NETWORKED motivated us to refer to these systems as Stochastic Hybrid Systems with Renewal Transitions. This class Stochastic Hybrid Systems (SHSs) for which the lengths of times that the system stays in each mode

  9. New Horizons Mission Powered by Space Radioisotope Power Systems...

    Energy Savers [EERE]

    New Horizons Mission Powered by Space Radioisotope Power Systems New Horizons Mission Powered by Space Radioisotope Power Systems January 30, 2008 - 6:47pm Addthis Artist's concept...

  10. Energy Storage for Power Systems Applications: A Regional Assessment for the Northwest Power Pool (NWPP)

    SciTech Connect (OSTI)

    Kintner-Meyer, Michael CW; Balducci, Patrick J.; Jin, Chunlian; Nguyen, Tony B.; Elizondo, Marcelo A.; Viswanathan, Vilayanur V.; Guo, Xinxin; Tuffner, Francis K.

    2010-04-01T23:59:59.000Z

    Wind production, which has expanded rapidly in recent years, could be an important element in the future efficient management of the electric power system; however, wind energy generation is uncontrollable and intermittent in nature. Thus, while wind power represents a significant opportunity to the Bonneville Power Administration (BPA), integrating high levels of wind resources into the power system will bring great challenges to generation scheduling and in the provision of ancillary services. This report addresses several key questions in the broader discussion on the integration of renewable energy resources in the Pacific Northwest power grid. More specifically, it addresses the following questions: a) how much total reserve or balancing requirements are necessary to accommodate the simulated expansion of intermittent renewable energy resources during the 2019 time horizon, and b) what are the most cost effective technological solutions for meeting load balancing requirements in the Northwest Power Pool (NWPP).

  11. Power line detection system

    DOE Patents [OSTI]

    Latorre, V.R.; Watwood, D.B.

    1994-09-27T23:59:59.000Z

    A short-range, radio frequency (RF) transmitting-receiving system that provides both visual and audio warnings to the pilot of a helicopter or light aircraft of an up-coming power transmission line complex. Small, milliwatt-level narrowband transmitters, powered by the transmission line itself, are installed on top of selected transmission line support towers or within existing warning balls, and provide a continuous RF signal to approaching aircraft. The on-board receiver can be either a separate unit or a portion of the existing avionics, and can also share an existing antenna with another airborne system. Upon receipt of a warning signal, the receiver will trigger a visual and an audio alarm to alert the pilot to the potential power line hazard. 4 figs.

  12. Power line detection system

    DOE Patents [OSTI]

    Latorre, Victor R. (Tracy, CA); Watwood, Donald B. (Tracy, CA)

    1994-01-01T23:59:59.000Z

    A short-range, radio frequency (RF) transmitting-receiving system that provides both visual and audio warnings to the pilot of a helicopter or light aircraft of an up-coming power transmission line complex. Small, milliwatt-level narrowband transmitters, powered by the transmission line itself, are installed on top of selected transmission line support towers or within existing warning balls, and provide a continuous RF signal to approaching aircraft. The on-board receiver can be either a separate unit or a portion of the existing avionics, and can also share an existing antenna with another airborne system. Upon receipt of a warning signal, the receiver will trigger a visual and an audio alarm to alert the pilot to the potential power line hazard.

  13. Reburning renewable biomass for emissions control and ash deposition effects in power generation

    E-Print Network [OSTI]

    Oh, Hyuk Jin

    2009-05-15T23:59:59.000Z

    Cattle biomass (CB) has been proposed as a renewable, supplementary fuel for co-firing and reburning. Reburning coal with CB has the potential to reduce NOx and Hg emissions from coal fired systems. The present research focuses on three areas...

  14. IEEE TRANSACTIONS ON POWER SYSTEMS 1 Large-Scale Integration of Deferrable

    E-Print Network [OSTI]

    Oren, Shmuel S.

    . Index Terms--Load management, power generation scheduling, wind power generation. I. INTRODUCTION on power system operations it is necessary to represent the balancing oper- ations of the remaining gridIEEE TRANSACTIONS ON POWER SYSTEMS 1 Large-Scale Integration of Deferrable Demand and Renewable

  15. Stochastic Hybrid Systems with Renewal Transitions Duarte Antunes, Jo~ao P. Hespanha, and Carlos Silvestre

    E-Print Network [OSTI]

    Hespanha, João Pedro

    Stochastic Hybrid Systems with Renewal Transitions Duarte Antunes, Jo~ao P. Hespanha, and Carlos], which motivated us to refer to these systems as stochastic hybrid systems with renewal transitions Silvestre Abstract-- We consider Stochastic Hybrid Systems (SHSs) for which the lengths of times

  16. Sandia National Laboratories: Renewable Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Power Groups, Organizations, and Associations Australian Clean Energy Council Marine Renewable Energy (BWEA) California Energy Commission Energy Efficiency and Renewable...

  17. A Feasibility Study for Wind/Hybrid Power System Applications for New England Islands

    E-Print Network [OSTI]

    Massachusetts at Amherst, University of

    wind/hybrid systems. A feasibility study, carried out at the Renewable Energy Research Laboratory (RERLA Feasibility Study for Wind/Hybrid Power System Applications for New England Islands Gabriel Blanco, James F. Manwell, and Jon G. McGowan Renewable Energy Research Laboratory, University

  18. Power System Dispatcher (Technical Writer)

    Broader source: Energy.gov [DOE]

    (See Frequently Asked Questions for more information). Where would I be working? Western Area Power Administration Rocky Mountain Region Power System Operations Transmission Switching, (J4100) 5555...

  19. High power connection system

    DOE Patents [OSTI]

    Schaefer, Christopher E. (Warren, OH); Beer, Robert C. (Noblesville, IN); McCall, Mark D. (Youngstown, OH)

    2000-01-01T23:59:59.000Z

    A high power connection system adapted for automotive environments which provides environmental and EMI shielding includes a female connector, a male connector, and a panel mount. The female connector includes a female connector base and a snap fitted female connector cover. The male connector includes a male connector base and a snap fitted male connector cover. The female connector base has at least one female power terminal cavity for seatably receiving a respective female power terminal. The male connector base has at least one male power terminal cavity for seatably receiving a respective male power terminal. The female connector is covered by a cover seal and a conductive shroud. A pair of lock arms protrude outward from the front end of the male connector base, pass through the panel mount and interface with a lever of a lever rotatably connected to the shroud to thereby mechanically assist mating of the male and female connectors. Safety terminals in the male and female connectors provide a last-to-connect-first-to-break connection with an HVIL circuit.

  20. Applying Systems Engineering in a Renewable Energy Research and Development Environment: Preprint

    SciTech Connect (OSTI)

    Snyder, N.; Antkowiak, M.

    2010-04-01T23:59:59.000Z

    This paper examines lessons learned in systems engineering research and development at the National Renewable Energy Laboratory and explores new ideas for future process enhancements.

  1. Impacts of Western Area Power Administration`s power marketing alternatives on utility demand-side management and conservation and renewable energy programs

    SciTech Connect (OSTI)

    Cavallo, J.D.; Germer, M.F.; Tompkins, M.M.

    1995-03-01T23:59:59.000Z

    The Western Area Power Administration (Western) requires all of its long-term firm power customers to implement programs that promote the conservation of electric energy or facilitate the use of renewable energy resources. Western has also proposed that all customers develop integrated resource plans that include cost-effective demand-side management programs. As part of the preparation of Western`s Electric Power Marketing Environmental Impact Statement, Argonne National Laboratory (ANL) developed estimates of the reductions in energy demand resulting from Western`s conservation and renewable energy activities in its Salt Lake City Area Office. ANL has also estimated the energy-demand reductions from cost-effective, demand-side management programs that could be included in the integrated resource plans of the customers served by Western`s Salt Lake City Area Office. The results of this study have been used to adjust the expected hourly demand for Western`s major systems in the Salt Lake City Area. The expected hourly demand served as the basis for capacity expansion plans develops with ANL`s Production and Capacity Expansion (PACE) model.

  2. Impact of Dynamic PHEVs Load on Renewable Sources based Distribution System

    E-Print Network [OSTI]

    Pota, Himanshu Roy

    Impact of Dynamic PHEVs Load on Renewable Sources based Distribution System F. R. Islam, H. R. Pota.Roy@student.adfa.edu.au Abstract--In this paper, charging effect of dynamic Plug in Hybrid Electric Vehicle (PHEV) is presented in a renewable energy based electricity distribution system. For planning and designing a distribution system

  3. Wing Wave: Feasible, Alternative, Renewable, Electrical Energy Producing Ocean Floor System

    E-Print Network [OSTI]

    Wood, Stephen L.

    Wing Wave: Feasible, Alternative, Renewable, Electrical Energy Producing Ocean Floor System Mark, alternative energy system to convert the circular motion of ocean waves as they propagate through the sea and feasible alternative, renewable, electrical energy producing subsea system. Index Terms--ocean energy, wave

  4. Solar powered desalination system

    E-Print Network [OSTI]

    Mateo, Tiffany Alisa

    2011-01-01T23:59:59.000Z

    2008, uses concentrated solar power to split water. Figurethe main reason the potential for solar power is boundless.a clean energy source, solar power is inexhaustible, fairly

  5. Power control system and method

    DOE Patents [OSTI]

    Steigerwald, Robert Louis; Anderson, Todd Alan

    2006-11-07T23:59:59.000Z

    A power system includes an energy harvesting device, a battery coupled to the energy harvesting device, and a circuit coupled to the energy harvesting device and the battery. The circuit is adapted to deliver power to a load by providing power generated by the energy harvesting device to the load without delivering excess power to the battery and to supplement the power generated by the energy harvesting device with power from the battery if the power generated by the energy harvesting device is insufficient to fully power the load. A method of operating the power system is also provided.

  6. Power control system and method

    DOE Patents [OSTI]

    Steigerwald, Robert Louis (Burnt Hills, NY) [Burnt Hills, NY; Anderson, Todd Alan (Niskayuna, NY) [Niskayuna, NY

    2008-02-19T23:59:59.000Z

    A power system includes an energy harvesting device, a battery coupled to the energy harvesting device, and a circuit coupled to the energy harvesting device and the battery. The circuit is adapted to deliver power to a load by providing power generated by the energy harvesting device to the load without delivering excess power to the battery and to supplement the power generated by the energy harvesting device with power from the battery if the power generated by the energy harvesting device is insufficient to fully power the load. A method of operating the power system is also provided.

  7. Life-cycle analysis results of geothermal systems in comparison to other power systems.

    SciTech Connect (OSTI)

    Sullivan, J. L.; Clark, C. E.; Han, J.; Wang, M.; Energy Systems

    2010-10-11T23:59:59.000Z

    A life-cycle energy and greenhouse gas emissions analysis has been conducted with Argonne National Laboratory's expanded Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation (GREET) model for geothermal power-generating technologies, including enhanced geothermal, hydrothermal flash, and hydrothermal binary technologies. As a basis of comparison, a similar analysis has been conducted for other power-generating systems, including coal, natural gas combined cycle, nuclear, hydroelectric, wind, photovoltaic, and biomass by expanding the GREET model to include power plant construction for these latter systems with literature data. In this way, the GREET model has been expanded to include plant construction, as well as the usual fuel production and consumption stages of power plant life cycles. For the plant construction phase, on a per-megawatt (MW) output basis, conventional power plants in general are found to require less steel and concrete than renewable power systems. With the exception of the concrete requirements for gravity dam hydroelectric, enhanced geothermal and hydrothermal binary used more of these materials per MW than other renewable power-generation systems. Energy and greenhouse gas (GHG) ratios for the infrastructure and other life-cycle stages have also been developed in this study per kilowatt-hour (kWh) of electricity output by taking into account both plant capacity and plant lifetime. Generally, energy burdens per energy output associated with plant infrastructure are higher for renewable systems than conventional ones. GHG emissions per kWh of electricity output for plant construction follow a similar trend. Although some of the renewable systems have GHG emissions during plant operation, they are much smaller than those emitted by fossil fuel thermoelectric systems. Binary geothermal systems have virtually insignificant GHG emissions compared to fossil systems. Taking into account plant construction and operation, the GREET model shows that fossil thermal plants have fossil energy use and GHG emissions per kWh of electricity output about one order of magnitude higher than renewable power systems, including geothermal power.

  8. Dynamic Reactive Power Control of Isolated Power Systems

    E-Print Network [OSTI]

    Falahi, Milad

    2012-10-03T23:59:59.000Z

    This dissertation presents dynamic reactive power control of isolated power systems. Isolated systems include MicroGrids in islanded mode, shipboard power systems operating offshore, or any other power system operating in islanded mode intentionally...

  9. Quantifiably secure power grid operation, management, and evolution : a study of uncertainties affecting the grid integration of renewables.

    SciTech Connect (OSTI)

    Gray, Genetha Anne; Watson, Jean-Paul [Sandia National Laboratories, Albuquerque, NM; Silva Monroy, Cesar Augusto [Sandia National Laboratories, Albuquerque, NM; Gramacy, Robert B. [University of Chicago, Chicago, IL

    2013-09-01T23:59:59.000Z

    This report summarizes findings and results of the Quantifiably Secure Power Grid Operation, Management, and Evolution LDRD. The focus of the LDRD was to develop decisionsupport technologies to enable rational and quantifiable risk management for two key grid operational timescales: scheduling (day-ahead) and planning (month-to-year-ahead). Risk or resiliency metrics are foundational in this effort. The 2003 Northeast Blackout investigative report stressed the criticality of enforceable metrics for system resiliency - the grid's ability to satisfy demands subject to perturbation. However, we neither have well-defined risk metrics for addressing the pervasive uncertainties in a renewable energy era, nor decision-support tools for their enforcement, which severely impacts efforts to rationally improve grid security. For day-ahead unit commitment, decision-support tools must account for topological security constraints, loss-of-load (economic) costs, and supply and demand variability - especially given high renewables penetration. For long-term planning, transmission and generation expansion must ensure realized demand is satisfied for various projected technological, climate, and growth scenarios. The decision-support tools investigated in this project paid particular attention to tailoriented risk metrics for explicitly addressing high-consequence events. Historically, decisionsupport tools for the grid consider expected cost minimization, largely ignoring risk and instead penalizing loss-of-load through artificial parameters. The technical focus of this work was the development of scalable solvers for enforcing risk metrics. Advanced stochastic programming solvers were developed to address generation and transmission expansion and unit commitment, minimizing cost subject to pre-specified risk thresholds. Particular attention was paid to renewables where security critically depends on production and demand prediction accuracy. To address this concern, powerful filtering techniques for spatio-temporal measurement assimilation were used to develop short-term predictive stochastic models. To achieve uncertaintytolerant solutions, very large numbers of scenarios must be simultaneously considered. One focus of this work was investigating ways of reasonably reducing this number.

  10. Flex power perspectives of indirect power system control through...

    Open Energy Info (EERE)

    power perspectives of indirect power system control through dynamic power price (Smart Grid Project) Jump to: navigation, search Project Name Flex power perspectives of indirect...

  11. Multi-port DC-DC Power Converter for Renewable Energy Application

    E-Print Network [OSTI]

    Chou, Hung-Ming

    2010-01-16T23:59:59.000Z

    In recent years, there has been lots of emphasis put on the development of renewable energy. While considerable improvement on renewable energy has been made, there are some inherent limitations for these renewable energies. For example, for solar...

  12. Local Option- Property Tax Exemption for Renewable Energy Systems

    Broader source: Energy.gov [DOE]

    Beginning in October 2013, a municipality may also adopt an ordinance to exempt commercial or industrial Class I renewable resources*, certain hydropower facilities**, or solar thermal or geother...

  13. Reliability Modeling and Evaluation in Aging Power Systems

    E-Print Network [OSTI]

    Kim, Hag-Kwen

    2010-01-14T23:59:59.000Z

    Renewal process has been often employed as a mathematical model of the failure and repair cycle of components in power system reliability assessment. This implies that after repair, the component is assumed to be restored to be in as good as new...

  14. An Electricity Trade Model for Multiple Power Distribution Networks in Smart Energy Systems

    E-Print Network [OSTI]

    Pedram, Massoud

    . A microgrid is a small scale power network, which contains one or multiple types of renewable power generators complicated with the adoption of energy storage [5]. For a power network, the amount of energy generationAn Electricity Trade Model for Multiple Power Distribution Networks in Smart Energy Systems

  15. Power Systems Development Facility

    SciTech Connect (OSTI)

    None

    2003-07-01T23:59:59.000Z

    This report discusses Test Campaign TC12 of the Kellogg Brown & Root, Inc. (KBR) Transport Gasifier train with a Siemens Westinghouse Power Corporation (SW) particle filter system at the Power Systems Development Facility (PSDF) located in Wilsonville, Alabama. The Transport Gasifier is an advanced circulating fluidized-bed reactor designed to operate as either a combustor or a gasifier using a particulate control device (PCD). While operating as a gasifier, either air or oxygen can be used as the oxidant. Test run TC12 began on May 16, 2003, with the startup of the main air compressor and the lighting of the gasifier start-up burner. The Transport Gasifier operated until May 24, 2003, when a scheduled outage occurred to allow maintenance crews to install the fuel cell test unit and modify the gas clean-up system. On June 18, 2003, the test run resumed when operations relit the start-up burner, and testing continued until the scheduled end of the run on July 14, 2003. TC12 had a total of 733 hours using Powder River Basin (PRB) subbituminous coal. Over the course of the entire test run, gasifier temperatures varied between 1,675 and 1,850 F at pressures from 130 to 210 psig.

  16. Alliant Energy Interstate Power and Light- Business and Farm Renewable Energy Rebates

    Broader source: Energy.gov [DOE]

    The Alliant Energy Renewable Cash-Back Rewards program offers rebates for solar photovoltaics (PV), wind, renewable biomass, and anaerobic digesters. Businesses and farms that are Alliant Energy...

  17. CURENT Course Power System Toolbox

    E-Print Network [OSTI]

    Mitchell, John E.

    CURENT Course Power System Toolbox Prof. Joe H. Chow Rensselaer Polytechnic Institute ECSE Department August 25, 2014 #12;Power System Toolbox Developers: Joe Chow, Kwok Cheung, and Graham Rogers (Ontario Hydro and Cherry Tree Scientific Software) Power System Toolbox uses MATLAB code to perform (1

  18. Utilizing Load Response for Wind and Solar Integration and Power System Reliability

    SciTech Connect (OSTI)

    Milligan, M.; Kirby, B.

    2010-07-01T23:59:59.000Z

    Responsive load is still the most underutilized reliability resource in North America. This paper examines the characteristics of concern to the power system, the renewables, and to the loads.

  19. Dual-temperature Kalina cycle for geothermal-solar hybrid power systems

    E-Print Network [OSTI]

    Boghossian, John G

    2011-01-01T23:59:59.000Z

    This thesis analyzes the thermodynamics of a power system coupling two renewable heat sources: low-temperature geothermal and a high-temperature solar. The process, referred to as a dual-temperature geothermal-solar Kalina ...

  20. Impacts of large quantities of wind energy on the electric power system

    E-Print Network [OSTI]

    Yao, Yuan, S.M. Massachusetts Institute of Technology

    2011-01-01T23:59:59.000Z

    Wind energy has been surging on a global scale. Significant penetration of wind energy is expected to take place in the power system, bringing new challenges because of the variability and uncertainty of this renewable ...

  1. INTEGRATED CONTROL OF NEXT GENERATION POWER SYSTEM

    SciTech Connect (OSTI)

    None

    2010-02-28T23:59:59.000Z

    Control methodologies provide the necessary data acquisition, analysis and corrective actions needed to maintain the state of an electric power system within acceptable operating limits. These methods are primarily software-based algorithms that are nonfunctional unless properly integrated with system data and the appropriate control devices. Components of the control of power systems today include protective relays, supervisory control and data acquisition (SCADA), distribution automation (DA), feeder automation, software agents, sensors, control devices and communications. Necessary corrective actions are still accomplished using large electromechanical devices such as vacuum, oil and gas-insulated breakers, capacitor banks, regulators, transformer tap changers, reclosers, generators, and more recently FACTS (flexible AC transmission system) devices. The recent evolution of multi-agent system (MAS) technologies has been reviewed and effort made to integrate MAS into next generation power systems. A MAS can be defined as ��a loosely-coupled network of problem solvers that work together to solve problems that are beyond their individual capabilities��. These problem solvers, often called agents, are autonomous and may be heterogeneous in nature. This project has shown that a MAS has significant advantages over a single, monolithic, centralized problem solver for next generation power systems. Various communication media are being used in the electric power system today, including copper, optical fiber and power line carrier (PLC) as well as wireless technologies. These technologies have enabled the deployment of substation automation (SA) at many facilities. Recently, carrier and wireless technologies have been developed and demonstrated on a pilot basis. Hence, efforts have been made by this project to penetrate these communication technologies as an infrastructure for next generation power systems. This project has thus pursued efforts to use specific MAS methods as well as pertinent communications protocols to imbed and assess such technologies in a real electric power distribution system, specifically the Circuit of the Future (CoF) developed by Southern California Edison (SCE). By modeling the behavior and communication for the components of a MAS, the operation and control of the power distribution circuit have been enhanced. The use of MAS to model and integrate a power distribution circuit offers a significantly different approach to the design of next generation power systems. For example, ways to control a power distribution circuit that includes a micro-grid while considering the impacts of thermal constraints, and integrating voltage control and renewable energy sources on the main power system have been pursued. Both computer simulations and laboratory testbeds have been used to demonstrate such technologies in electric power distribution systems. An economic assessment of MAS in electric power systems was also performed during this project. A report on the economic feasibility of MAS for electric power systems was prepared, and particularly discusses the feasibility of incorporating MAS in transmission and distribution (T&D) systems. Also, the commercial viability of deploying MAS in T&D systems has been assessed by developing an initial case study using utility input to estimate the benefits of deploying MAS. In summary, the MAS approach, which had previously been investigated with good success by APERC for naval shipboard applications, has now been applied with promising results for enhancing an electric power distribution circuit, such as the Circuit of the Future developed by Southern California Edison. The results for next generation power systems include better ability to reconfigure circuits, improve protection and enhance reliability.

  2. Solar powered desalination system

    E-Print Network [OSTI]

    Mateo, Tiffany Alisa

    2011-01-01T23:59:59.000Z

    are many solar photovoltaic power plants internationally andUSA, Blythe, CA Solar electric power plant, Blythe USA, SanTX Blue Wing solar electric power plant USA, Jacksonville,

  3. Power Systems Development Facility

    SciTech Connect (OSTI)

    Southern Company Services

    2004-04-30T23:59:59.000Z

    This report discusses Test Campaign TC15 of the Kellogg Brown & Root, Inc. (KBR) Transport Gasifier train with a Siemens Power Generation, Inc. (SPG) particle filter system at the Power Systems Development Facility (PSDF) located in Wilsonville, Alabama. The Transport Gasifier is an advanced circulating fluidized-bed reactor designed to operate as either a combustor or gasifier using a particulate control device (PCD). While operating as a gasifier, either air or oxygen can be used as the oxidant. Test run TC15 began on April 19, 2004, with the startup of the main air compressor and the lighting of the gasifier startup burner. The Transport Gasifier was shutdown on April 29, 2004, accumulating 200 hours of operation using Powder River Basin (PRB) subbituminous coal. About 91 hours of the test run occurred during oxygen-blown operations. Another 6 hours of the test run was in enriched-air mode. The remainder of the test run, approximately 103 hours, took place during air-blown operations. The highest operating temperature in the gasifier mixing zone mostly varied from 1,800 to 1,850 F. The gasifier exit pressure ran between 200 and 230 psig during air-blown operations and between 110 and 150 psig in oxygen-enhanced air operations.

  4. The Applied Mathematics for Power Systems (AMPS)

    SciTech Connect (OSTI)

    Chertkov, Michael [Los Alamos National Laboratory

    2012-07-24T23:59:59.000Z

    Increased deployment of new technologies, e.g., renewable generation and electric vehicles, is rapidly transforming electrical power networks by crossing previously distinct spatiotemporal scales and invalidating many traditional approaches for designing, analyzing, and operating power grids. This trend is expected to accelerate over the coming years, bringing the disruptive challenge of complexity, but also opportunities to deliver unprecedented efficiency and reliability. Our Applied Mathematics for Power Systems (AMPS) Center will discover, enable, and solve emerging mathematics challenges arising in power systems and, more generally, in complex engineered networks. We will develop foundational applied mathematics resulting in rigorous algorithms and simulation toolboxes for modern and future engineered networks. The AMPS Center deconstruction/reconstruction approach 'deconstructs' complex networks into sub-problems within non-separable spatiotemporal scales, a missing step in 20th century modeling of engineered networks. These sub-problems are addressed within the appropriate AMPS foundational pillar - complex systems, control theory, and optimization theory - and merged or 'reconstructed' at their boundaries into more general mathematical descriptions of complex engineered networks where important new questions are formulated and attacked. These two steps, iterated multiple times, will bridge the growing chasm between the legacy power grid and its future as a complex engineered network.

  5. Renewable build-up pathways for the US: Generation costs are not system costs

    E-Print Network [OSTI]

    Becker, Sarah; Andresen, Gorm B; Jacobson, Mark Z; Schramm, Stefan; Greiner, Martin

    2014-01-01T23:59:59.000Z

    The transition to a future electricity system based primarily on wind and solar PV is examined for all regions in the contiguous US. We present optimized pathways for the build-up of wind and solar power for least backup energy needs as well as for least cost obtained with a simplified, lightweight model based on long-term high resolution weather-determined generation data. In the absence of storage, the pathway which achieves the best match of generation and load, thus resulting in the least backup energy requirements, generally favors a combination of both technologies, with a wind/solar PV energy mix of about 80/20 in a fully renewable scenario. The least cost development is seen to start with 100% of the technology with the lowest average generation costs first, but with increasing renewable installations, economically unfavorable excess generation pushes it toward the minimal backup pathway. Surplus generation and the entailed costs can be reduced significantly by combining wind and solar power, and/or a...

  6. Heat and Power Systems Design

    E-Print Network [OSTI]

    Spriggs, H. D.; Shah, J. V.

    HEAT AND POWER SYSTEMS DESIGN H. D. Spriggs and J. V. Shah, Leesburg. VA ABSTRACT The selection of heat and power systems usually does not include a thorough analysis of the process heating. cooling and power requirements. In most cases..., these process requirements are accepted as specifications before heat and power systems are selected and designed. In t~is article we describe how Process Integration using Pinch Technology can be used to understand and achieve the minimum process heating...

  7. POWER SYSTEMS DEVELOPMENT FACILITY

    SciTech Connect (OSTI)

    Unknown

    2002-11-01T23:59:59.000Z

    This report discusses test campaign GCT4 of the Kellogg Brown & Root, Inc. (KBR) transport reactor train with a Siemens Westinghouse Power Corporation (Siemens Westinghouse) particle filter system at the Power Systems Development Facility (PSDF) located in Wilsonville, Alabama. The transport reactor is an advanced circulating fluidized-bed reactor designed to operate as either a combustor or a gasifier using one of two possible particulate control devices (PCDs). The transport reactor was operated as a pressurized gasifier during GCT4. GCT4 was planned as a 250-hour test run to continue characterization of the transport reactor using a blend of several Powder River Basin (PRB) coals and Bucyrus limestone from Ohio. The primary test objectives were: Operational Stability--Characterize reactor loop and PCD operations with short-term tests by varying coal-feed rate, air/coal ratio, riser velocity, solids-circulation rate, system pressure, and air distribution. Secondary objectives included the following: Reactor Operations--Study the devolatilization and tar cracking effects from transient conditions during transition from start-up burner to coal. Evaluate the effect of process operations on heat release, heat transfer, and accelerated fuel particle heat-up rates. Study the effect of changes in reactor conditions on transient temperature profiles, pressure balance, and product gas composition. Effects of Reactor Conditions on Synthesis Gas Composition--Evaluate the effect of air distribution, steam/coal ratio, solids-circulation rate, and reactor temperature on CO/CO{sub 2} ratio, synthesis gas Lower Heating Value (LHV), carbon conversion, and cold and hot gas efficiencies. Research Triangle Institute (RTI) Direct Sulfur Recovery Process (DSRP) Testing--Provide syngas in support of the DSRP commissioning. Loop Seal Operations--Optimize loop seal operations and investigate increases to previously achieved maximum solids-circulation rate.

  8. Balance-of-System Equipment Required for Renewable Energy Systems |

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed off Energy.gov. Are you sure you want toworldPower 2010 1A

  9. Energy Storage for Variable Renewable Energy Resource Integration - A Regional Assessment for the Northwest Power Pool (NWPP)

    SciTech Connect (OSTI)

    Kintner-Meyer, Michael CW; Jin, Chunlian; Balducci, Patrick J.; Elizondo, Marcelo A.; Guo, Xinxin; Nguyen, Tony B.; Tuffner, Francis K.; Viswanathan, Vilayanur V.

    2011-03-20T23:59:59.000Z

    This paper addresses the following key questions in the discussion on the integration of renewable energy resources in the Pacific Northwest power grid: a) what will be the future balancing requirement to accommodate a simulated expansion of wind energy resources from 3.3 GW in 2008 to 14.4 GW in 2019 in the Northwest Power Pool (NWPP), and b) what are the most cost effective technological solutions for meeting the balancing requirements in the Northwest Power Pool (NWPP). A life-cycle analysis was performed to assess the least-cost technology option for meeting the new balancing requirement. The technologies considered in this study include conventional turbines (CT), sodium sulfur (NaS) batteries, lithium ion (Li-ion) batteries, pumped hydro energy storage (PH), and demand response (DR). Hybrid concepts that combine 2 or more of the technologies above are also evaluated. This analysis was performed with collaboration by the Bonneville Power Administration and funded by the Energy Storage Systems Program of the U.S. Department of Energy.

  10. Solar thermal power system

    DOE Patents [OSTI]

    Bennett, Charles L.

    2010-06-15T23:59:59.000Z

    A solar thermal power generator includes an inclined elongated boiler tube positioned in the focus of a solar concentrator for generating steam from water. The boiler tube is connected at one end to receive water from a pressure vessel as well as connected at an opposite end to return steam back to the vessel in a fluidic circuit arrangement that stores energy in the form of heated water in the pressure vessel. An expander, condenser, and reservoir are also connected in series to respectively produce work using the steam passed either directly (above a water line in the vessel) or indirectly (below a water line in the vessel) through the pressure vessel, condense the expanded steam, and collect the condensed water. The reservoir also supplies the collected water back to the pressure vessel at the end of a diurnal cycle when the vessel is sufficiently depressurized, so that the system is reset to repeat the cycle the following day. The circuital arrangement of the boiler tube and the pressure vessel operates to dampen flow instabilities in the boiler tube, damp out the effects of solar transients, and provide thermal energy storage which enables time shifting of power generation to better align with the higher demand for energy during peak energy usage periods.

  11. El Paso Electric Company- Small and Medium System Renewable Energy Certificate Purchase Program

    Broader source: Energy.gov [DOE]

    Effective January 1, 2010, El Paso Electric is purchasing renewable energy certificates (RECs) from its New Mexico customers who install small photovoltaic (PV) systems and wind systems up to 10...

  12. 2007 NET SYSTEM POWER REPORT STAFFREPORT

    E-Print Network [OSTI]

    CALIFORNIA ENERGY COMMISSION 2007 NET SYSTEM POWER REPORT STAFFREPORT April 2008 CEC-200 .................................................................................................................. 1 Net System Power Findings.............................................................................................. 4 Net System Power and Sources of California Electric Generation

  13. Computing Criticality of Lines in Power Systems

    E-Print Network [OSTI]

    Pinar, Ali; Reichert, Adam; Lesieutre, Bernard

    2006-01-01T23:59:59.000Z

    sqopt snopt.html [8] “Power system test case archive. ” [IEEE Transactions on Power Systems, vol. 19, pp. [3] V.contingencies in electric power systems,” IEEE Transactions

  14. Proposal to negotiate the renewal of a blanket purchase contract for the supply of high-power RF grid-tubes for the CERN accelerators

    E-Print Network [OSTI]

    2014-01-01T23:59:59.000Z

    Proposal to negotiate the renewal of a blanket purchase contract for the supply of high-power RF grid-tubes for the CERN accelerators

  15. Renewable Energy in India: Status and future Potential

    E-Print Network [OSTI]

    Banerjee, Rangan

    Thermal Solar Photovoltaic Tidal Wave Ocean Thermal #12;Power Generation Options Power Generation environmental impacts Unsustainable Need for transition to renewable energy systems, nuclear, efficiency #12 Side Management (Solar Water Heater, Passive Solar) #12;Renewables in Power Power generation 6500 PJ

  16. Integration and Dynamics of a Renewable Regenerative Hydrogen Fuel Cell System

    E-Print Network [OSTI]

    Victoria, University of

    Integration and Dynamics of a Renewable Regenerative Hydrogen Fuel Cell System by Alvin Peter, hydrogen and electricity storage, and fuel cells. A special design feature of this test bed is the ability of the author. #12;ii Supervisory Committee Integration and Dynamics of a Renewable Regenerative Hydrogen Fuel

  17. CURRENT TESTING ACTIVITIES AT THE ACRELAB RENEWABLE ENERGY SYSTEMS TEST FACILITY , E S Spooner2

    E-Print Network [OSTI]

    , AUSTRALIA 2 University of New South Wales, Kensington, NSW, AUSTRALIA 3 Australian CRC for Renewable Energy) on the Murdoch University campus in Perth, Western Australia. The facility provides independent testing of RECURRENT TESTING ACTIVITIES AT THE ACRELAB RENEWABLE ENERGY SYSTEMS TEST FACILITY T L Pryor1 , E

  18. Nuclear-renewables energy system for hydrogen and electricity production

    E-Print Network [OSTI]

    Haratyk, Geoffrey

    2011-01-01T23:59:59.000Z

    Climate change concerns and expensive oil call for a different mix of energy technologies. Nuclear and renewables attract attention because of their ability to produce electricity while cutting carbon emissions. However ...

  19. Body powered thermoelectric systems

    E-Print Network [OSTI]

    Settaluri, Krishna Tej

    2012-01-01T23:59:59.000Z

    Great interest exists for and progress has be made in the effective utilization of the human body as a possible power supply in hopes of powering such applications as sensors and continuously monitoring medical devices ...

  20. Renewable Energy Act (Prince Edward Island, Canada)

    Broader source: Energy.gov [DOE]

    The Renewable Energy Act outlines the renewable portfolio goals, permitting for renewable projects, regulatory authority, net metering system regulations, purchase price regulations, and renewable...

  1. Power Systems Group Home Page

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    General Information ASD Groups ESHQA Operations Argonne Home > Advanced Photon Source > Power Systems Group This page is currently under construction. Old PS Group Site (visible...

  2. PTC, ITC, or Cash Grant? An Analysis of the Choice Facing Renewable Power Projects in the United States

    SciTech Connect (OSTI)

    Bolinger, Mark; Wiser, Ryan; Cory, Karlynn; James, Ted

    2009-03-11T23:59:59.000Z

    Renewable power technologies are inherently capital-intensive, often (but not always) with relatively high construction costs and low operating costs. For this reason, renewable power technologies are typically more sensitive to the availability and cost of financing than are natural gas power plants, for example. In the United States, the bulk of renewable project finance in recent years has been provided by 'tax equity investors' (typically large investment banks and insurance companies) who partner with project developers through highly specialized financing structures (Bolinger, 2009; Cory et al., 2008; Harper et al., 2007). These structures have been designed primarily to capitalize on federal support for renewable power technologies, which has historically come in the form of tax credits and accelerated depreciation deductions. The number of tax equity investors active in the renewable power market has declined precipitously, however, as a result of the financial crisis that began unfolding across the globe in the summer of 2008. The resulting shortage and increased cost of project financing has, in turn, slowed the development of new renewable power projects, leading to layoffs throughout the entire industry supply chain. In recognition of the fact that tax-based policy incentives are not particularly effective when tax burdens are shrinking or non-existent, Congress included several provisions in 'The American Recovery and Reinvestment Act of 2009' (ARRA 2009) designed to make federal incentives for renewable power technologies more useful. Among these provisions is one that allows projects eligible to receive the production tax credit ('the PTC', see Text Box 1) to instead elect the investment tax credit ('the ITC', see Text Box 2). Another provision enables ITC-eligible projects (which now include most PTC-eligible renewable power projects) to instead receive--for a limited time only--a cash grant of equivalent value. These two provisions (among others) could have a significant impact on how renewable power projects are financed over the next few years. The purpose of this report is to both quantitatively and qualitatively analyze, from the project developer/owner perspective, the choice between the PTC and the ITC (or equivalent cash grant) for a number of different renewable power technologies.1 Because the two credits are structured differently, and apply in different ways to different technologies, the choice between the two lends itself to quantitative financial analysis of the conditions under which either the PTC or the ITC would, at least in theory, provide greater financial value. Qualitative considerations may be equally important, however, particularly in instances where quantitative differences are modest. This report proceeds as follows. Section 2 provides a brief summary of ARRA 2009, with some emphasis on those provisions designed to ease the liquidity crisis facing the renewable power sector. Section 3 describes the quantitative analysis methodology, as well as modeling results for wind, open-loop biomass, closed-loop biomass, geothermal, and landfill gas projects. Section 4 discusses a number of qualitative considerations that may play as important of a role as quantitative results in deciding between the PTC and the ITC (or equivalent cash grant). Section 5 concludes, and an Appendix provides supplemental tables that present quantitative analysis results conducted at different discount rates.

  3. Switching power pulse system

    DOE Patents [OSTI]

    Aaland, K.

    1983-08-09T23:59:59.000Z

    A switching system for delivering pulses of power from a source to a load using a storage capacitor charged through a rectifier, and maintained charged to a reference voltage level by a transistor switch and voltage comparator. A thyristor is triggered to discharge the storage capacitor through a saturable reactor and fractional turn saturable transformer having a secondary to primary turn ratio N of n:l/n = n[sup 2]. The saturable reactor functions as a soaker'' while the thyristor reaches saturation, and then switches to a low impedance state. The saturable transformer functions as a switching transformer with high impedance while a load coupling capacitor charges, and then switches to a low impedance state to dump the charge of the storage capacitor into the load through the coupling capacitor. The transformer is comprised of a multilayer core having two secondary windings tightly wound and connected in parallel to add their output voltage and reduce output inductance, and a number of single turn windings connected in parallel at nodes for the primary winding, each single turn winding linking a different one of the layers of the multilayer core. The load may be comprised of a resistive beampipe for a linear particle accelerator and capacitance of a pulse forming network. To hold off discharge of the capacitance until it is fully charged, a saturable core is provided around the resistive beampipe to isolate the beampipe from the capacitance until it is fully charged. 5 figs.

  4. POWER SYSTEMS DEVELOPMENT FACILITY

    SciTech Connect (OSTI)

    Unknown

    2002-05-01T23:59:59.000Z

    This report discusses test campaign GCT3 of the Halliburton KBR transport reactor train with a Siemens Westinghouse Power Corporation (Siemens Westinghouse) particle filter system at the Power Systems Development Facility (PSDF) located in Wilsonville, Alabama. The transport reactor is an advanced circulating fluidized-bed reactor designed to operate as either a combustor or a gasifier using one of two possible particulate control devices (PCDs). The transport reactor was operated as a pressurized gasifier during GCT3. GCT3 was planned as a 250-hour test run to commission the loop seal and continue the characterization of the limits of operational parameter variations using a blend of several Powder River Basin coals and Bucyrus limestone from Ohio. The primary test objectives were: (1) Loop Seal Commissioning--Evaluate the operational stability of the loop seal with sand and limestone as a bed material at different solids circulation rates and establish a maximum solids circulation rate through the loop seal with the inert bed. (2) Loop Seal Operations--Evaluate the loop seal operational stability during coal feed operations and establish maximum solids circulation rate. Secondary objectives included the continuation of reactor characterization, including: (1) Operational Stability--Characterize the reactor loop and PCD operations with short-term tests by varying coal feed, air/coal ratio, riser velocity, solids circulation rate, system pressure, and air distribution. (2) Reactor Operations--Study the devolatilization and tar cracking effects from transient conditions during transition from start-up burner to coal. Evaluate the effect of process operations on heat release, heat transfer, and accelerated fuel particle heat-up rates. Study the effect of changes in reactor conditions on transient temperature profiles, pressure balance, and product gas composition. (3) Effects of Reactor Conditions on Syngas Composition--Evaluate the effect of air distribution, steam/coal ratio, solids circulation rate, and reactor temperature on CO/CO{sub 2} ratio, H{sub 2}/converted carbon ratio, gasification rates, carbon conversion, and cold and hot gas efficiencies. Test run GCT3 was started on December 1, 2000, with the startup of the thermal oxidizer fan, and was completed on February 1, 2001. This test was conducted in two parts; the loop seal was commissioned during the first part of this test run from December 1 through 15, which consisted of hot inert solids circulation testing. These initial tests provided preliminary data necessary to understand different parameters associated with the operation and performance of the loop seal. The loop seal was tested with coal feed during the second part of the test run and additional data was gathered to analyze reactor operations and to identify necessary modifications to improve equipment and process performance. In the second part of GCT3, the gasification portion of the test, from January 20 to February 1, 2001, the mixing zone and riser temperatures were varied between 1,675 and 1,825 F at pressures ranging from 200 to 240 psig. There were 306 hours of solid circulation and 184 hours of coal feed attained in GCT3.

  5. Workload Shaping to Mitigate Variability in Renewable Power Use by Data Centers

    E-Print Network [OSTI]

    Gupta, Rajesh

    ) and proposes a novel approach for scheduling workload that incorporates use of renewable energy sources. We costs. These include integration of renewable energy [2], [3], improved cooling [4], [5] and improved storage costs for non-renewable energy savings. In this paper, we present analysis of the effectiveness

  6. Human Capacity Building in Energy Efficiency and Renewable Energy System Maintenance for the Yurok Tribe

    SciTech Connect (OSTI)

    Engel, R. A.' Zoellick, J J.

    2007-07-31T23:59:59.000Z

    From July 2005 to July 2007, the Schatz Energy Research Center (SERC) assisted the Yurok Tribe in the implementation of a program designed to build the Tribe’s own capacity to improve energy efficiency and maintain and repair renewable energy systems in Tribal homes on the Yurok Reservation. Funding for this effort was provided by the U.S. Department of Energy’s Tribal Program under First Steps grant award #DE-FG36-05GO15166. The program’s centerpiece was a house-by-house needs assessment, in which Tribal staff visited and conducted energy audits at over fifty homes. The visits included assessment of household energy efficiency and condition of existing renewable energy systems. Staff also provided energy education to residents, evaluated potential sites for new household renewable energy systems, and performed minor repairs as needed on renewable energy systems.

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

    E-Print Network [OSTI]

    Norwood, Zachary Mills

    2011-01-01T23:59:59.000Z

    renewable and non-renewable energy systems including its global warming potential (potential for deep market penetration of renewable distributed energy

  8. Switching power pulse system

    DOE Patents [OSTI]

    Aaland, Kristian (Livermore, CA)

    1983-01-01T23:59:59.000Z

    A switching system for delivering pulses of power from a source (10) to a load (20) using a storage capacitor (C3) charged through a rectifier (D1, D2), and maintained charged to a reference voltage level by a transistor switch (Q1) and voltage comparator (12). A thyristor (22) is triggered to discharge the storage capacitor through a saturable reactor (18) and fractional turn saturable transformer (16) having a secondary to primary turn ratio N of n:l/n=n.sup.2. The saturable reactor (18) functions as a "soaker" while the thyristor reaches saturation, and then switches to a low impedance state. The saturable transformer functions as a switching transformer with high impedance while a load coupling capacitor (C4) charges, and then switches to a low impedance state to dump the charge of the storage capacitor (C3) into the load through the coupling capacitor (C4). The transformer is comprised of a multilayer core (26) having two secondary windings (28, 30) tightly wound and connected in parallel to add their output voltage and reduce output inductance, and a number of single turn windings connected in parallel at nodes (32, 34) for the primary winding, each single turn winding linking a different one of the layers of the multilayer core. The load may be comprised of a resistive beampipe (40) for a linear particle accelerator and capacitance of a pulse forming network (42). To hold off discharge of the capacitance until it is fully charged, a saturable core (44) is provided around the resistive beampipe (40) to isolate the beampipe from the capacitance (42) until it is fully charged.

  9. Abstract--Since the renewable energy is popularly applied in power industry, especially the smart grid is fast developing all

    E-Print Network [OSTI]

    Chen, Zhe

    , communication infrastructure allows potentially millions of parties to operate and trade in electricity markets1 Abstract-- Since the renewable energy is popularly applied in power industry, especially, the connection with the wind farm makes the grid more vulnerable. The communication technologies have been

  10. Power Systems of the Future

    E-Print Network [OSTI]

    Mario Rabinowitz

    2003-04-30T23:59:59.000Z

    Electric power is a vital ingredient of modern society. This paper in conjunction with previous papers was written to provide an insight into the physics and engineering that go into electric power systems and their modernization. Topics covered here are Direct Current; Superconducting Generators; Energy Storage; Voltage Sags; Grid Stability, Power System Planning and Operations; Biological Effects of Electromagnetic Fields; Dispersed Generation; Information Superhighway Synergy; Distribution Automation; Conclusion.

  11. Power System Operator

    Broader source: Energy.gov [DOE]

    At Southeastern, you can make a direct impact by helping us deliver low-cost hydroelectric power to over one hundred electric cooperatives and municipal utilities, and over eight million end-use...

  12. The Treatment of Renewable Energy Certificates, Emissions Allowances, and Green Power Programs in State Renewables Portfolio Standards

    E-Print Network [OSTI]

    Holt, Edward A.; Wiser, Ryan H.

    2007-01-01T23:59:59.000Z

    supports a separate Solar RECs tracking system. Figure 1.supports a separate tracking system for solar generation,tracking systems (Texas, Wisconsin and the New Jersey solar

  13. High-resolution modeling of the western North American power system demonstrates low-cost and low-carbon futures

    E-Print Network [OSTI]

    Kammen, Daniel M.

    electric power system models primarily address either day-to-day operation or long-term capacity planningHigh-resolution modeling of the western North American power system demonstrates low-cost and low greenhouse gas emissions. Exploiting intermittent renewable energy resources demands power system planning

  14. Optimal Design of a PV/Fuel Cell Hybrid Power System for the City of Brest in France

    E-Print Network [OSTI]

    Brest, Université de

    . Keywords--Hybrid power system, renewable energy, fuel cell, photovoltaic, generation unit sizing, energy with the optimal design of a stand-alone hybrid photovoltaic and fuel cell power system without battery storage-17]. For such king of hybrid power systems, the sources can be optimally sized with different techniques

  15. Renewable Energy and Efficiency Modeling Analysis Partnership: An Analysis of How Different Energy Models Addressed a Common High Renewable Energy Penetration Scenario in 2025

    E-Print Network [OSTI]

    Blair, N.

    2010-01-01T23:59:59.000Z

    photovoltaics renewable energy renewable energy certificate Regional Energy Deployment System model Renewable Energy and Efficiency

  16. Distributed Power Delivery for Energy Efficient and Low Power Systems

    E-Print Network [OSTI]

    Friedman, Eby G.

    Distributed Power Delivery for Energy Efficient and Low Power Systems Selc¸uk K¨ose Department throughout a power distribution system. Due to the parasitic impedances of the power distribution networks current to the load circuits [3]. The complexity of the high performance power delivery systems has

  17. Solar powered desalination system

    E-Print Network [OSTI]

    Mateo, Tiffany Alisa

    2011-01-01T23:59:59.000Z

    USA, Jacksonville, FL Jacksonville Solar Energy Generation Facility Constructed Systems that produce electricity

  18. Renewable Energy Integration and the Impact of Carbon Regulation

    E-Print Network [OSTI]

    Renewable Energy Integration and the Impact of Carbon Regulation on the Electric Grid Future Grid the Future Electric Energy System #12;Thrust Area 3 White Paper Renewable Energy Integration and the Impact. #12;ii Executive Summary The integration of renewable energy resources into the power grid is driven

  19. Reactive power compensating system

    DOE Patents [OSTI]

    Williams, Timothy J. (Redondo Beach, CA); El-Sharkawi, Mohamed A. (Renton, WA); Venkata, Subrahmanyam S. (Seattle, WA)

    1987-01-01T23:59:59.000Z

    The reactive power of an induction machine is compensated by providing fixed capacitors on each phase line for the minimum compensation required, sensing the current on one line at the time its voltage crosses zero to determine the actual compensation required for each phase, and selecting switched capacitors on each line to provide the balance of the compensation required.

  20. Reactive Power Compensating System.

    DOE Patents [OSTI]

    Williams, Timothy J.; El-Sharkawi, Mohamed A.; Venkata, Subrahmanyam S.

    1985-01-04T23:59:59.000Z

    The circuit was designed for the specific application of wind-driven induction generators. It has great potential for application in any situation where a varying reactive power load is present, such as with induction motors or generators, or for transmission network compensation.

  1. NREL: Energy Systems Integration - Redefining What's Possible for Renewable

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for Renewable Energy: Grid Integration NREL is spearheading engineering innovations that

  2. Wind Power Forecasting Error Frequency Analyses for Operational Power System Studies: Preprint

    SciTech Connect (OSTI)

    Florita, A.; Hodge, B. M.; Milligan, M.

    2012-08-01T23:59:59.000Z

    The examination of wind power forecasting errors is crucial for optimal unit commitment and economic dispatch of power systems with significant wind power penetrations. This scheduling process includes both renewable and nonrenewable generators, and the incorporation of wind power forecasts will become increasingly important as wind fleets constitute a larger portion of generation portfolios. This research considers the Western Wind and Solar Integration Study database of wind power forecasts and numerical actualizations. This database comprises more than 30,000 locations spread over the western United States, with a total wind power capacity of 960 GW. Error analyses for individual sites and for specific balancing areas are performed using the database, quantifying the fit to theoretical distributions through goodness-of-fit metrics. Insights into wind-power forecasting error distributions are established for various levels of temporal and spatial resolution, contrasts made among the frequency distribution alternatives, and recommendations put forth for harnessing the results. Empirical data are used to produce more realistic site-level forecasts than previously employed, such that higher resolution operational studies are possible. This research feeds into a larger work of renewable integration through the links wind power forecasting has with various operational issues, such as stochastic unit commitment and flexible reserve level determination.

  3. Reliability analysis of electric power systems including time dependent sources 

    E-Print Network [OSTI]

    Kim, Younjong

    1987-01-01T23:59:59.000Z

    Chairman of Advisory Committee: Chanan Singh A method for reliability analysis of electric power systems with time dependent sources, such as photovoltaic and wind generation, is introduced. The fluctuating characteristic of unconventional generation... and active solar. wind, geothermal, and hydropower. Of all the renewable energy technologies that have been the focus of encouraging government and private R k D efforts, photovoltaic generation and wind turbine generation appear to be the leading...

  4. Distributed vs. Centralized Power Systems Frequency Control

    E-Print Network [OSTI]

    Dimarogonas, Dimos

    Distributed vs. Centralized Power Systems Frequency Control Martin Andreasson12 , Dimos V control of electrical power systems. We propose a distributed controller which retains the reference class of large- scale systems are electrical power systems, which employ automatic generation control

  5. Renewable and Non-Renewable Resources Tariff RNR-7 (Georgia)

    Broader source: Energy.gov [DOE]

    The Renewable and Non-Renewable Resource tariff is authorized by the Georgia Public Service Commission (PSC), which requires that the investor owned utility, Georgia Power Company, purchase...

  6. AUTOMATED FULL-SYSTEM POWER CHARACTERIZATION

    E-Print Network [OSTI]

    Eeckhout, Lieven

    FULL-SYSTEM POWER CHARACTERIZATION WITH DESIRED POWER CHARACTERISTICS ON MULTICORE SERVER PLATFORMS. THE FRAMEWORK CONSTRUCTS FULL-SYSTEM POWER MODELS WITH ERROR BOUNDS ON THE POWER ESTIMATES AND GUIDES THE DESIGN OF ENERGY-EFFICIENT AND COST

  7. Solar powered desalination system

    E-Print Network [OSTI]

    Mateo, Tiffany Alisa

    2011-01-01T23:59:59.000Z

    PEC and PV system. The energy and area requirements for arequires the least energy and area. A MED desalination plantcompare the energy consumption and area of devices needed,

  8. Solar powered desalination system

    E-Print Network [OSTI]

    Mateo, Tiffany Alisa

    2011-01-01T23:59:59.000Z

    direct solar radiation onto the PEC cell and tracking isTracking Concentration…………………….39 Figure 1.20: PV-RO System……………………………………………………………..42 Figure 1.21: Solar

  9. The Potential Impact of Increased Renewable Energy Penetrations on Electricity Bill Savings from Residential Photovoltaic Systems

    E-Print Network [OSTI]

    Barbose, Galen

    2013-01-01T23:59:59.000Z

    ABORATORY The Potential Impact of Increased Renewable Energyemployer. THE POTENTIAL IMPACT OF INCREASED RENEWABLE ENERGY

  10. Sandia Energy - Renewable Energy Integration

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    need to integrate renewable energy, improve energy efficiency, and allow consumers more control over their energy consumption. One of the challenges of renewable power generation...

  11. Sandia National Laboratories: Renewable Energy

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    2014, in Computational Modeling & Simulation, Energy, News, News & Events, Partnership, Renewable Energy, Water Power Sandia and the National Renewable Energy Laboratory (NREL)...

  12. Impact of Transmission on Resource Adequacy in Systems with Wind and Solar Power: Preprint

    SciTech Connect (OSTI)

    Ibanez, E.; Milligan, M.

    2012-02-01T23:59:59.000Z

    Variable generation is on track to become a significant contributor to electric power systems worldwide. Thus, it is important to analyze the effect that renewables will have on the reliability of systems. In this paper we present a new tool being implemented at the National Renewable Energy Laboratory, which allows the inclusion of variable generation in the power system resource adequacy. The tool is used to quantify the potential contribution of transmission to reliability in highly interconnected systems and an example is provided using the Western Interconnection footprint.

  13. Renewable Power Options for Electricity Generation on Kaua’i: Economics and Performance Modeling

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Hawaii Clean Energy Initiative (HCEI) is working with a team led by the U.S. Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) to assess the economic and technical feasibility of increasing the contribution of renewable energy in Hawaii.

  14. Preliminary Evaluation of the Section 1603 Treasury Grant Program for Renewable Power Projects in the United States

    E-Print Network [OSTI]

    Bolinger, Mark

    2012-01-01T23:59:59.000Z

    Trends in Tax Equity for Renewable Energy. ” Project Financefirms/ _________. 2010b. “Renewable Energy Money Still GoingGrant Program on Renewable Energy Deployment in 2009. LBNL-

  15. Preliminary Evaluation of the Section 1603 Treasury Grant Program for Renewable Power Projects in the United States

    E-Print Network [OSTI]

    Bolinger, Mark

    2012-01-01T23:59:59.000Z

    Trends in Tax Equity for Renewable Energy. ” Project Financefirms/ _________. 2010b. “Renewable Energy Money Still GoingTreasury Grant Program on Renewable Energy Deployment in

  16. 2008 Renewable Energy Data Book

    SciTech Connect (OSTI)

    Not Available

    2009-07-01T23:59:59.000Z

    This Renewable Energy Data Book for 2008 provides facts and figures on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar energy, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investments.

  17. IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 29, NO. 1, JANUARY 2014 489 Large-Scale Integration of Deferrable

    E-Print Network [OSTI]

    Oren, Shmuel S.

    scheduling, wind power generation. I. INTRODUCTION THE key disadvantage of renewable resources relative and demand response integration on power system operations it is necessary to represent the balancing operIEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 29, NO. 1, JANUARY 2014 489 Large-Scale Integration

  18. Renewable Energy Systems Inc (RES Americas) (Texas) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof Energy 2,AUDITCalifornia Sector: Wind energyInformation Renewable Energy

  19. Renewable Energy Systems (RES Australia and New Zealand) | Open Energy

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎ | RoadmapRenewable Energy RFPs HomeResources, Inc.

  20. Renewable Energy Systems (RES Scandinavia) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎ | RoadmapRenewable Energy RFPs HomeResources,

  1. Renewable Energy Systems (RES UK and Ireland) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎ | RoadmapRenewable Energy RFPs HomeResources,(RES UK and

  2. Renewable Energy Systems Inc (RES Americas) | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎ | RoadmapRenewable Energy RFPs HomeResources,(RES

  3. Renewable Energy Systems Ltd RES Group | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPID‎ | RoadmapRenewable Energy RFPs HomeResources,(RESLtd (RES

  4. Solar powered desalination system

    E-Print Network [OSTI]

    Mateo, Tiffany Alisa

    2011-01-01T23:59:59.000Z

    2: dual bed colloidal suspension Type 3: fixed flat panel2: dual bed colloidal suspension Type 3: fixed flat panelBed Colloidal Suspension…………….37 Figure 1.18: Type 3 PEC System Reactor, Fixed

  5. Design and implementation of a marine animal alert system to support Marine Renewable Energy

    SciTech Connect (OSTI)

    Deng, Zhiqun; Carlson, Thomas J.; Fu, Tao; Ren, Huiying; Martinez, Jayson J.; Myers, Joshua R.; Matzner, Shari; Choi, Eric Y.; Copping, Andrea E.

    2013-08-08T23:59:59.000Z

    Power extracted from fast moving tidal currents has been identified as a potential commercial-scale source of renewable energy. Device developers and utilities are pursuing deployment of prototype tidal turbines to assess technology viability, site feasibility, and environmental interactions. Deployment of prototype turbines requires permits from a range of regulatory authorities. Ensuring the safety of marine animals, particularly those under protection of the Endangered Species Act of 1973 (ESA) and the Marine Mammal Protection Act of 1972 has emerged as a key regulatory challenge for initial MHK deployments. The greatest perceived risk to marine animals is from strike by the rotating blades of tidal turbines. Development of the marine mammal alert system (MAAS) was undertaken to support monitoring and mitigation requirements for tidal turbine deployments. The prototype system development focused on Southern Resident killer whales (SRKW), an endangered population of killer whales that frequents Puget Sound and is intermittently present in the part of the sound where deployment of prototype tidal turbines is being considered. Passive acoustics were selected as the primary means because of the vocal nature of these animals. The MAAS passive acoustic system consists of two-stage process involving the use of an energy detector and a spectrogram-based classifier to distinguish between SKRW’s calls and noise. A prototype consisting of two 2D symmetrical star arrays separated by 20 m center to center was built and evaluated in the waters of Sequim Bay using whale call playback.

  6. Utility Grid-Connected Distributed Power Systems National Solar Energy Conference

    E-Print Network [OSTI]

    Utility Grid-Connected Distributed Power Systems National Solar Energy Conference ASES Solar 96 at least half of its energy obtained from energy efficiency and renewable resources by the year 2000. Solar energy, distributed generation resource. Investments made in solar power today are expected to provide

  7. Effective Ancillary Services Market Designs on High Wind Power Penetration Systems: Preprint

    SciTech Connect (OSTI)

    Ela, E.; Kirby, B.; Navid, N.; Smith, J. C.

    2011-12-01T23:59:59.000Z

    This paper focuses on how the ancillary service market designs are implemented and how they may require changes on systems with greater penetrations of variable renewable energy suppliers, in particular wind power. Ancillary services markets have been developed in many of the restructured power system regions throughout the world. Ancillary services include the services that support the provision of energy to support power system reliability. The ancillary services markets are tied tightly to the design of the energy market and to the physics of the system and therefore careful consideration of power system economics and engineering must be considered in their design. This paper focuses on how the ancillary service market designs are implemented and how they may require changes on systems with greater penetrations of variable renewable energy suppliers, in particular wind power.

  8. Novette pulse-power-system description

    SciTech Connect (OSTI)

    Gritton, D.G.; Christie, D.J.; Holloway, R.W.; Merritt, B.T.; Oicles, J.A.; Whitham, K.; Wilcox, R.B.

    1983-01-01T23:59:59.000Z

    This paper is a summary of the pulse power systems for Novette; the flashlamp power system, the pulsers for the various optical shutters and the pulse power control system.

  9. Catalog of DC Appliances and Power Systems

    E-Print Network [OSTI]

    Garbesi, Karina

    2012-01-01T23:59:59.000Z

    www.lunera.com/. Nextek Power Systems. [cited 2010 Dec];data_files/. DC Power Systems. Wholesale Price List. [citedDUS103927W.pdf. Princeton Power Systems. GTIB-480-100 Grid-

  10. Green Power Purchasing

    Broader source: Energy.gov [DOE]

    Eligible resources include tidal and wave power, fuel cells using renewable fuels, hydropower facilities less than 60 megawatts (MW), solar thermal-electric systems, photovoltaics (PV), wind,...

  11. Feasibility Study of Economics and Performance of Geothermal Power Generation at the Lakeview Uranium Mill Site in Lakeview, Oregon. 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 (OSTI)

    Hillesheim, M.; Mosey, G.

    2013-11-01T23:59:59.000Z

    The U.S. Environmental Protection Agency (EPA), in accordance with the RE-Powering America's Land initiative, selected the Lakeview Uranium Mill site in Lakeview, Oregon, for a feasibility study of renewable energy production. The EPA contracted with the National Renewable Energy Laboratory (NREL) to provide technical assistance for the project. The purpose of this report is to describe an assessment of the site for possible development of a geothermal power generation facility and to estimate the cost, performance, and site impacts for the facility. In addition, the report recommends development pathways that could assist in the implementation of a geothermal power system at the site.

  12. Multi-port DC-DC Power Converter for Renewable Energy Application 

    E-Print Network [OSTI]

    Chou, Hung-Ming

    2010-01-16T23:59:59.000Z

    . . . . . . . . . . . . . 4 1. For Wind Power . . . . . . . . . . . . . . . . . . . . . 4 2. For Solar Photovoltaics . . . . . . . . . . . . . . . . . 6 3. For Fuel Cell . . . . . . . . . . . . . . . . . . . . . . . 7 4. On Energy Storage... . . . . . . . . . . . . . . . . . . . . 7 C. Concept of Hybrid Distributed Generation System . . . . . 8 D. Benefits of Multi-port Converter . . . . . . . . . . . . . . . 9 E. Previous Research Work . . . . . . . . . . . . . . . . . . . 12 F. Research Objective...

  13. Power Parks System Simulation Sandia National Laboratories

    E-Print Network [OSTI]

    at a steady rate to produce hydrogen, feeding a fuel cell stack to supply electricity to a transient load of a renewable energy source. Generation by photovoltaic collectors or wind turbines can be combined with energy storage technologies. Power parks provide an excellent opportunity for using hydrogen technologies

  14. The Treatment of Renewable Energy Certificates, Emissions Allowances, and Green Power Programs in State Renewables Portfolio Standards

    E-Print Network [OSTI]

    Holt, Edward A.; Wiser, Ryan H.

    2007-01-01T23:59:59.000Z

    systems (NEPOOL GIS and PJM-EIS GATS) and three statein New England and the PJM region (see below for discussionmanual manual NEPOOL GIS PJM-EIS GATS PJM-EIS GATS manual

  15. The Treatment of Renewable Energy Certificates, Emissions Allowances, and Green Power Programs in State Renewables Portfolio Standards

    E-Print Network [OSTI]

    Holt, Edward A.; Wiser, Ryan H.

    2007-01-01T23:59:59.000Z

    systems (NEPOOL GIS and PJM-EIS GATS) and three stateCurrently Used manual manual manual NEPOOL GIS PJM-EIS GATSPJM-EIS GATS manual manual NEPOOL GIS PJM-EIS GATS NEPOOL

  16. Solar-powered cooling system

    DOE Patents [OSTI]

    Farmer, Joseph C

    2013-12-24T23:59:59.000Z

    A solar-powered adsorption-desorption refrigeration and air conditioning system uses nanostructural materials made of high specific surface area adsorption aerogel as the adsorptive media. Refrigerant molecules are adsorbed on the high surface area of the nanostructural material. A circulation system circulates refrigerant from the nanostructural material to a cooling unit.

  17. Thermoelectric Power Generation System with Loop Thermosyphon...

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

    Power Generation System with Loop Thermosyphon in Future High Efficiency Hybrid Vehicles Thermoelectric Power Generation System with Loop Thermosyphon in Future High Efficiency...

  18. Developing Secure Power Systems Professional Competence: Alignment...

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

    Developing Secure Power Systems Professional Competence: Alignment and Gaps in Workforce Development Programs - Phase 2 (JulyAugust 2013) Developing Secure Power Systems...

  19. Sandia National Laboratories: power flow control system

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    power flow control system ECIS-Princeton Power Systems, Inc.: Demand Response Inverter On March 19, 2013, in DETL, Distribution Grid Integration, Energy, Energy Surety, Facilities,...

  20. Preventing power outages Power system contingency analysis on the GPU

    E-Print Network [OSTI]

    Vuik, Kees

    problem. Moreover, the power system has to keep functioning properly even when a transmission line failsPreventing power outages Power system contingency analysis on the GPU To provide electricity generators, nuclear power plants, wind turbines, etc.) and a network of lines and cables to transmit

  1. Nuclear-Renewable Hybrid System Economic Basis for Electricity, Fuel, and Hydrogen

    SciTech Connect (OSTI)

    Charles Forsberg; Steven Aumeier

    2014-04-01T23:59:59.000Z

    Concerns about climate change and altering the ocean chemistry are likely to limit the use of fossil fuels. That implies a transition to a low-carbon nuclear-renewable electricity grid. Historically variable electricity demand was met using fossil plants with low capital costs, high operating costs, and substantial greenhouse gas emissions. However, the most easily scalable very-low-emissions generating options, nuclear and non-dispatchable renewables (solar and wind), are capital-intensive technologies with low operating costs that should operate at full capacities to minimize costs. No combination of fully-utilized nuclear and renewables can meet the variable electricity demand. This implies large quantities of expensive excess generating capacity much of the time. In a free market this results in near-zero electricity prices at times of high nuclear renewables output and low electricity demand with electricity revenue collapse. Capital deployment efficiency—the economic benefit derived from energy systems capital investment at a societal level—strongly favors high utilization of these capital-intensive systems, especially if low-carbon nuclear renewables are to replace fossil fuels. Hybrid energy systems are one option for better utilization of these systems that consumes excess energy at times of low prices to make some useful product.The economic basis for development of hybrid energy systems is described for a low-carbon nuclear renewable world where much of the time there are massivequantities of excess energy available from the electric sector.Examples include (1) high-temperature electrolysis to generate hydrogen for non-fossil liquid fuels, direct use as a transport fuel, metal reduction, etc. and (2) biorefineries.Nuclear energy with its concentrated constant heat output may become the enabling technology for economically-viable low-carbon electricity grids because hybrid nuclear systems may provide an economic way to produce dispatachable variable electricity with economic base-load operation of the reactor.

  2. Indianapolis Power and Light- Small-Scale Renewable Energy Incentive Program

    Broader source: Energy.gov [DOE]

    '''''Note: The Small-Scale Renewable Energy Program is currently closed for residential customers. Applications received during this time will be placed on a waiting list. Funds are still available...

  3. Biomass power and state renewable energy policies under electric industry restructuring

    E-Print Network [OSTI]

    Porter, Kevin; Wiser, Ryan

    2000-01-01T23:59:59.000Z

    water, or other in- state landfill gas, wind and biomass.new sustainable biomass, landfill gas, and fuel cells; Classcells using renewable fuels, landfill gas, and low-emission,

  4. A Stochastic Power Network Calculus for Integrating Renewable Energy Sources into the

    E-Print Network [OSTI]

    Ciucu, Florin

    . Low, Fellow, IEEE Abstract--Renewable energy such as solar and wind generation will constitute sources to reduce the carbon footprint. A challenge, however, of solar and wind generation

  5. UBC Social Ecological Economic Development Studies (SEEDS) Student Report An Investigation Into Renewable Energy: The Solar Canopy Illumination System

    E-Print Network [OSTI]

    Into Renewable Energy: The Solar Canopy Illumination System Samuel Davies, Patrick Duvall, Timothy Russell Investigation Into Renewable Energy: The Solar Canopy Illumination System Samuel Davies Patrick Duvall Timothy of a building's energy usage, the solar canopy system is ideal for facilities, such as the new student union

  6. Net-Zero Energy Buildings: A Classification System Based on Renewable Energy Supply Options

    SciTech Connect (OSTI)

    Pless, S.; Torcellini, P.

    2010-06-01T23:59:59.000Z

    A net-zero energy building (NZEB) is a residential or commercial building with greatly reduced energy needs. In such a building, efficiency gains have been made such that the balance of energy needs can be supplied with renewable energy technologies. Past work has developed a common NZEB definition system, consisting of four well-documented definitions, to improve the understanding of what net-zero energy means. For this paper, we created a classification system for NZEBs based on the renewable sources a building uses.

  7. Solar thermophotovoltaic space power system

    SciTech Connect (OSTI)

    Horne, W.E. (Boeing Aerospace Co., Seattle, WA); Day, A.C. (NASA, Marshall Space Flight Center, Huntsville, AL)

    1980-01-01T23:59:59.000Z

    A study has been performed on the technical feasibility and cost of a TPV system for an alternative space power supply. An analysis of six previous studies has been performed and a consistent optical, thermal, and electrical model developed. A search of the literature for materials data has been augmented by an experimental test program on materials and breadboard subsystems of the TPV. These data have been used in the model to determine the technical feasibility and the degree of performance that might be expected from such a system. A system design study was then conducted to optimize the launch configuration, the weight, and the cost of the TPV space power system. Results from this study were used to define a specific design which could be used in a detailed cost analysis. A cost analysis was then performed to determine the relative costs of the TPV power system. It appears that a system having a specific power greater than 150 W/kg can be produced for approximately 30 dollars per watt.

  8. Visualizing Power System Operationsin an Open Market

    E-Print Network [OSTI]

    Gross, George

    Visualizing Power System Operationsin an Open Market ThomasJ. Overbye',George Gross',Mark J in a revamping of the way power systems operate and the way power industry players are structured. These changes PowerWorld, a comprehensive power system simulation package developed to help meet this need

  9. The Potential Impact of Increased Renewable Energy Penetrations on Electricity Bill Savings from Residential Photovoltaic Systems

    E-Print Network [OSTI]

    Barbose, Galen

    2013-01-01T23:59:59.000Z

    San Francisco, CA, 2010 (6) National Renewable EnergyLaboratory (NREL), Renewable Resource Data Center, Website:Impact of Increased Renewable Energy Penetrations on

  10. The Potential Impact of Increased Renewable Energy Penetrations on Electricity Bill Savings from Residential Photovoltaic Systems

    E-Print Network [OSTI]

    Barbose, Galen

    2013-01-01T23:59:59.000Z

    CA, 2010 (6) National Renewable Energy Laboratory (NREL),Impact of Increased Renewable Energy Penetrations onProceedings, for the World Renewable Energy Forum, Denver,

  11. Advanced Organic Vapor Cycles for Improving Thermal Conversion Efficiency in Renewable Energy Systems

    E-Print Network [OSTI]

    Ho, Tony

    2012-01-01T23:59:59.000Z

    of low-grade heat," Renewable and Sustainable Energyof various applications," Renewable and Sustainable Energyorganic Rankine cycle," Renewable Energy, vol. 4, pp. 1196-

  12. Validation of Danish wind time series from a new global renewable energy atlas for energy system analysis

    E-Print Network [OSTI]

    Andresen, Gorm Bruun; Greiner, Martin

    2014-01-01T23:59:59.000Z

    We present a new global high-resolution renewable energy atlas (REatlas) that can be used to calculate customised hourly time series of wind and solar PV power generation. In this paper, the atlas is applied to produce 32-year-long hourly model wind power time series for Denmark for each historical and future year between 1980 and 2035. These are calibrated and validated against real production data from the period 2000 to 2010. The high number of years allows us to discuss how the characteristics of Danish wind power generation varies between individual weather years. As an example, the annual energy production is found to vary by $\\pm10\\%$ from the average. Furthermore, we show how the production pattern change as small onshore turbines are gradually replaced by large onshore and offshore turbines. In most energy system analysis tools, fixed hourly time series of wind power generation are used to model future power systems with high penetrations of wind energy. Here, we compare the wind power time series fo...

  13. OE Power Systems Engineering Research & Development Program Partnershi...

    Office of Environmental Management (EM)

    Mission Power Systems Engineering Research and Development OE Power Systems Engineering Research & Development Program Partnerships OE Power Systems Engineering Research &...

  14. Catalog of DC Appliances and Power Systems

    SciTech Connect (OSTI)

    Garbesi, Karina; Vossos, Vagelis; Shen, Hongxia

    2010-10-13T23:59:59.000Z

    This document catalogs the characteristics of current and potential future DC products and power systems.

  15. 2004 NET SYSTEM POWER CALCULATION COMMISSIONREPORT

    E-Print Network [OSTI]

    CALIFORNIA ENERGY COMMISSION 2004 NET SYSTEM POWER CALCULATION COMMISSIONREPORT April 2005 CEC-300 on net system power [Senate Bill 1305, (Sher), Chapter 796, Statute of 1997]1 . Net system power in California. Net system power plays a role in California's retail disclosure program, which requires every

  16. Accelerating the transformation of power systems

    E-Print Network [OSTI]

    Accelerating the transformation of power systems Introduction Flexibility of operation--the ability of a power system to respond to change in demand and supply--is a characteristic of all power systems. Flexibility is especially prized in twenty-first century power systems, with higher levels of grid

  17. Supporting Solar Power in Renewables Portfolio Standards: Experience from the United States

    SciTech Connect (OSTI)

    Wiser, Ryan; Barbose, Galen; Holt, Edward

    2010-10-01T23:59:59.000Z

    Among the available options for encouraging the increased deployment of renewable electricity, renewables portfolio standards (RPS) have become increasingly popular. The RPS is a relatively new policy mechanism, however, and experience with its use is only beginning to emerge. One key concern that has been voiced is whether RPS policies will offer adequate support to a wide range of renewable energy technologies and applications or whether, alternatively, RPS programs will favor a small number of the currently least-cost forms of renewable energy. This report documents the design of and early experience with state-level RPS programs in the United States that have been specifically tailored to encourage a wider diversity of renewable energy technologies, and solar energy in particular. As shown here, state-level RPS programs specifically designed to support solar have already proven to be an important, albeit somewhat modest, driver for solar energy deployment, and those impacts are projected to continue to build in the coming years. State experience in supporting solar energy with RPS programs is mixed, however, and full compliance with existing requirements has not been achieved. The comparative experiences described herein highlight the opportunities and challenges of applying an RPS to specifically support solar energy, as well as the importance of policy design details to ensuring that program goals are achieved.

  18. Renewable Energy Assessment of Bureau of Reclamation Land and Facilities Using Geographic Information Systems

    SciTech Connect (OSTI)

    Heimiller, D.; Haase, S.; Melius, J.

    2013-05-01T23:59:59.000Z

    This report summarizes results of geographic information system screening for solar and wind potential at select Bureau of Reclamation lands in the western United States. The study included both utility-scale and facility-scale potential. This study supplements information in the report titled Renewable Energy Assessment for the Bureau of Reclamation: Final Report.

  19. Engineering Part IB P8 Elective (2) Engineering for Renewable Energy Systems

    E-Print Network [OSTI]

    Talbot, James P.

    , Materials handout). [Walker and Jenkins] gives 1P loading on blades and 3P loading on tower Out1 1 Engineering Part IB P8 ­ Elective (2) Engineering for Renewable Energy Systems Wind Turbines - Vibration and Noise Dr Michael Sutcliffe Aims of this course · Apply Part I vibration theory to wind turbine

  20. Robust Strategy Synthesis for Probabilistic Systems Applied to Risk-Limiting Renewable-Energy Pricing

    E-Print Network [OSTI]

    Seshia, Sanjit A.

    Robust Strategy Synthesis for Probabilistic Systems Applied to Risk-Limiting Renewable-Energy pricing and dispatch strategies in smart grids that integrate re- newable sources of energy. We use}@eecs.berkeley.edu ABSTRACT We address the problem of synthesizing control strategies for El- lipsoidal Markov Decision

  1. Model documentation Renewable Fuels Module of the National Energy Modeling System

    SciTech Connect (OSTI)

    NONE

    1996-01-01T23:59:59.000Z

    This report documents the objectives, analaytical approach and design of the National Energy Modeling System (NEMS) Renewable Fuels Module (RFM) as it relates to the production of the 1996 Annual Energy Outlook forecasts. The report catalogues and describes modeling assumptions, computational methodologies, data inputs, and parameter estimation techniques. A number of offline analyses used in lieu of RFM modeling components are also described.

  2. Supporting Solar Power in Renewables Portfolio Standards: Experience from the United States

    E-Print Network [OSTI]

    Wiser, Ryan

    2010-01-01T23:59:59.000Z

    power to the host-customers under long- term power sales agreements. Duke Energy North Carolina Solar

  3. VirtualPower: Coordinated Power Management in Virtualized Enterprise Systems

    E-Print Network [OSTI]

    Yang, Junfeng

    VirtualPower: Coordinated Power Management in Virtualized Enterprise Systems Ripal Nathuji CERCS Institute of Technology Atlanta, GA 30032 schwan@cc.gatech.edu ABSTRACT Power management has become. This paper explores how to inte- grate power management mechanisms and policies with the virtualization

  4. Renewable Energy Certificate (REC) Tracking Systems: Costs & Verification Issues (Presentation)

    SciTech Connect (OSTI)

    Heeter, J.

    2013-10-01T23:59:59.000Z

    This document provides information on REC tracking systems: how they are used in the voluntary REC market, a comparison of REC systems fees and information regarding how they treat environmental attributes.

  5. Special Property Assessment for Renewable Heating and Cooling Systems

    Broader source: Energy.gov [DOE]

    Title 8 of Maryland’s property tax code includes a state-wide special assessment for solar and geothermal heating and cooling systems. Under this provision, such systems are to be assessed at not...

  6. Center for Sustainability Hybrid Renewable Energy Systems (HyRES) Laboratory

    E-Print Network [OSTI]

    Lee, Dongwon

    is powered by a redundant hybrid system including solar and wind power, and is grid connected. Net metering is used to balance energy use, and surplus power used to make hydrogen for a fuel cell vehicle. Power - Net metered grid connection Back-up Mode: In rare cases when the sun, wind, and grid power

  7. POWER SYSTEMS STABILITY WITH LARGE-SCALE WIND POWER PENETRATION

    E-Print Network [OSTI]

    Bak-Jensen, Birgitte

    of offshore wind farms, wind power fluctuations may introduce several challenges to reliable power system behaviour due to natural wind fluctuations. The rapid power fluctuations from the large scale wind farms Generation Control (AGC) system which includes large- scale wind farms for long-term stability simulation

  8. Intelligent wind power prediction systems final report

    E-Print Network [OSTI]

    Intelligent wind power prediction systems ­ final report ­ Henrik Aalborg Nielsen (han (FU 4101) Ens. journal number: 79029-0001 Project title: Intelligent wind power prediction systems #12;#12;Intelligent wind power prediction systems 1/36 Contents 1 Introduction 6 2 The Wind Power Prediction Tool 7 3

  9. NET SYSTEM POWER: A SMALL SHARE OF

    E-Print Network [OSTI]

    CALIFORNIA ENERGY COMMISSION NET SYSTEM POWER: A SMALL SHARE OF CALIFORNIA'S POWER MIX IN 2005 the California Energy Commission's annual calculation of net system power as required by state law (Public Utilities Code, § 398.1 - 398.5). The report also defines net system power and explains how

  10. Accelerating the transformation of power systems

    E-Print Network [OSTI]

    Accelerating the transformation of power systems Ancillary Services Peer Exchange with India in power system transformation is an increasingly vital resource for national and subnational decision of power systems. The Power Partnership is a multilateral effort of the Clean Energy Ministerial and serves

  11. Sandia National Laboratories: Concentrating Solar Power Systems

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Concentrating Solar Power Systems Air Force Research Laboratory Testing On November 2, 2012, in Concentrating Solar Power, Facilities, National Solar Thermal Test Facility, News,...

  12. Power Electronic Thermal System Performance and Integration ...

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

    -- Washington D.C. ape13bennion.pdf More Documents & Publications Power Electronic Thermal System Performance and Integration Integrated Power Module Cooling Vehicle...

  13. Developing Government Renewable Energy Projects

    SciTech Connect (OSTI)

    Kurt S. Myers; Thomas L. Baldwin; Jason W. Bush; Jake P. Gentle

    2012-07-01T23:59:59.000Z

    The US Army Corps of Engineers has retained Idaho National Laboratory (INL) to conduct a study of past INL experiences and complete a report that identifies the processes that are needed for the development of renewable energy projects on government properties. The INL has always maintained expertise in power systems and applied engineering and INL’s renewable energy experiences date back to the 1980’s when our engineers began performing US Air Force wind energy feasibility studies and development projects. Over the last 20+ years of working with Department of Defense and other government agencies to study, design, and build government renewable projects, INL has experienced the do’s and don’ts for being successful with a project. These compiled guidelines for government renewable energy projects could include wind, hydro, geothermal, solar, biomass, or a variety of hybrid systems; however, for the purpose of narrowing the focus of this report, wind projects are the main topic discussed throughout this report. It is our thought that a lot of what is discussed could be applied, possibly with some modifications, to other areas of renewable energy. It is also important to note that individual projects (regardless the type) vary to some degree depending on location, size, and need but in general these concepts and directions can be carried over to the majority of government renewable energy projects. This report focuses on the initial development that needs to occur for any project to be a successful government renewable energy project.

  14. System-level Max Power (SYMPO) -A Systematic Approach for Escalating System-level Power Consumption

    E-Print Network [OSTI]

    John, Lizy Kurian

    System-level Max Power (SYMPO) - A Systematic Approach for Escalating System-level Power a computer system for the worst case power consumption scenario, system architects often use hand-crafted max SYMPO, an automatic SYstem level Max POwer virus generation framework, which maximizes the power

  15. Renewable Energy Price-Stability Benefits in Utility Green Power Programs

    SciTech Connect (OSTI)

    Bird, L. A.; Cory, K. S.; Swezey, B. G.

    2008-08-01T23:59:59.000Z

    This paper examines utility experiences when offering the fixed-price benefits of renewable energy in green pricing programs, including the methods utilized and the impact on program participation. It focuses primarily on utility green pricing programs in states that have not undergone electric industry restructuring.

  16. Concentrating Solar Power Hybrid System Study: Cooperative Research and Development Final Report, CRADA Number CRD-13-506

    SciTech Connect (OSTI)

    Turchi, C.

    2014-09-01T23:59:59.000Z

    The purpose of this PTS is to collaboratively leverage the collective resources at General Electric Global Research (GEGRC) and National Renewable Energy Laboratories (NREL) in the areas of concentrating solar power hybrid systems to advance state-of-the-art concentrating solar and conventional power generation system integration.

  17. Renewable energy for America's cities: Advanced Community Energy Systems Proposed Research, Development and Demonstration Program

    SciTech Connect (OSTI)

    Gleason, T.C.J.

    1993-01-01T23:59:59.000Z

    The first purpose of this paper is to describe ACES technologies and their potential impact on the environment, the US energy supply system and economy. The second purpose is to recommend an R,D D program to the US Department of Energy which has as its goal the rapid development of the most promising of the new technologies. ACES supply thermal energy to groups of buildings, communities and cities in the form of hot or chilled water for building space heating, domestic hot water or air conditioning. The energy is supplied via a network of insulated, underground pipes linking central sources of supply with buildings. ACES, by definition, employ very high energy efficiency conversion technologies such as cogeneration, heat pumps, and heat activated chillers. These systems also use renewable energy sources such as solar energy, winter cold, wind, and surface and subsurface warm and cold waters. ACES compose a new generation of community-scale building heating and air conditioning supply technologies. These new systems can effect a rapid and economical conversion of existing cities to energy supply by very efficient energy conversion systems and renewable energy systems. ACES technologies are the most promising near term means by which cities can make the transition from our present damaging dependence on fossil fuel supply systems to an economically and environmentally sustainable reliance on very high efficiency and renewable energy supply systems. When fully developed to serve an urban area, ACES will constitute a new utility system which can attain a level of energy efficiency, economy and reliance on renewable energy sources not possible with currently available energy supply systems.

  18. Enhanced Renewable Methane Production System Benefits Wastewater Treatment

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField8, 2000ConsumptionInnovation Portal Industrial

  19. Horizontal Pretreatment Reactor System (Poster), NREL (National Renewable Energy Laboratory)

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football Highdefault Sign InData inmaxHorizontal Plate

  20. Dynamic Impregnator Reactor System (Poster), NREL (National Renewable Energy Laboratory)

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField Campaign:INEA :Work with Jefferson Lab |Nuclear

  1. Renewable Energy Standard

    Broader source: Energy.gov [DOE]

    Rhode Island's Renewable Energy Standard (RES), established in June 2004, requires the state's retail electricity providers -- including non-regulated power producers and distribution companies --...

  2. COMMISSION GUIDEBOOK RENEWABLES PORTFOLIO

    E-Print Network [OSTI]

    for tracking and verifying compliance with the RPS. Keywords: Biodiesel, biogas, biomass, biomethane, pipeline biomethane, power purchase agreement, Qualified Reporting Entity, RECs, renewable energy

  3. Advancement of Energy Storage Devices and Applications in Electrical Power System

    SciTech Connect (OSTI)

    Smith, S. C.; Sen, P. K.; Kroposki, B.

    2008-01-01T23:59:59.000Z

    Overall structure of electrical power system is in the process of changing. For incremental growth, it is moving away from fossil fuel based operations to renewable energy resources that are more environmentally friendly and sustainable. At the same time it has to grow to meet the ever increasing need for more energy. These changes bring very unique opportunities and obstacles. Over the past few decades many new and innovative ideas have been explored in the broad area of energy storage. They range in size, capacity and complexity in design. Some of the systems are designed for applications in large scale power and others are performing short term energy storage ride through capabilities for critical manufacturing and technology systems. Energy storage technology has become an enabling technology for renewable energy applications and enhancing power quality in the transmission and distribution power systems. This paper summarizes all the advancements made and provide a composite picture of costs and trends in storage technologies.

  4. Reliability Evaluation of Electric Power Generation Systems with Solar Power 

    E-Print Network [OSTI]

    Samadi, Saeed

    2013-11-08T23:59:59.000Z

    reliability evaluation of generation systems including Photovoltaic (PV) and Concentrated Solar Power (CSP) plants. Unit models of PV and CSP are developed first, and then generation system model is constructed to evaluate the reliability of generation systems...

  5. Life-cycle analysis results for geothermal systems in comparison to other power systems: Part II.

    SciTech Connect (OSTI)

    Sullivan, J.L.; Clark, C.E.; Yuan, L.; Han, J.; Wang, M. (Energy Systems)

    2012-02-08T23:59:59.000Z

    A study has been conducted on the material demand and life-cycle energy and emissions performance of power-generating technologies in addition to those reported in Part I of this series. The additional technologies included concentrated solar power, integrated gasification combined cycle, and a fossil/renewable (termed hybrid) geothermal technology, more specifically, co-produced gas and electric power plants from geo-pressured gas and electric (GPGE) sites. For the latter, two cases were considered: gas and electricity export and electricity-only export. Also modeled were cement, steel and diesel fuel requirements for drilling geothermal wells as a function of well depth. The impact of the construction activities in the building of plants was also estimated. The results of this study are consistent with previously reported trends found in Part I of this series. Among all the technologies considered, fossil combustion-based power plants have the lowest material demand for their construction and composition. On the other hand, conventional fossil-based power technologies have the highest greenhouse gas (GHG) emissions, followed by the hybrid and then two of the renewable power systems, namely hydrothermal flash power and biomass-based combustion power. GHG emissions from U.S. geothermal flash plants were also discussed, estimates provided, and data needs identified. Of the GPGE scenarios modeled, the all-electric scenario had the highest GHG emissions. Similar trends were found for other combustion emissions.

  6. Modeling Power Systems as Complex Adaptive Systems

    SciTech Connect (OSTI)

    Chassin, David P.; Malard, Joel M.; Posse, Christian; Gangopadhyaya, Asim; Lu, Ning; Katipamula, Srinivas; Mallow, J V.

    2004-12-30T23:59:59.000Z

    Physical analogs have shown considerable promise for understanding the behavior of complex adaptive systems, including macroeconomics, biological systems, social networks, and electric power markets. Many of today's most challenging technical and policy questions can be reduced to a distributed economic control problem. Indeed, economically based control of large-scale systems is founded on the conjecture that the price-based regulation (e.g., auctions, markets) results in an optimal allocation of resources and emergent optimal system control. This report explores the state-of-the-art physical analogs for understanding the behavior of some econophysical systems and deriving stable and robust control strategies for using them. We review and discuss applications of some analytic methods based on a thermodynamic metaphor, according to which the interplay between system entropy and conservation laws gives rise to intuitive and governing global properties of complex systems that cannot be otherwise understood. We apply these methods to the question of how power markets can be expected to behave under a variety of conditions.

  7. Power Systems Stability Control : Reinforcement Learning Framework

    E-Print Network [OSTI]

    Wehenkel, Louis

    1 Power Systems Stability Control : Reinforcement Learning Framework Damien Ernst, Member, IEEE systems. We describe some challenges in power system control and discuss how some of those challenges with the real power system and the off-line mode in which the interaction occurs with a simulation model

  8. Power Systems Analysis ELEN4511 Spring 2013

    E-Print Network [OSTI]

    Lavaei, Javad

    Power Systems Analysis ELEN4511 Spring 2013 Project Paper: Communication Systems and Standards along the power grid. The grid comprised solely of electro- mechanical systems that could of communication systems on the power grid enables devices to communicate more efficiently, and also allows

  9. System and method for advanced power management

    DOE Patents [OSTI]

    Atcitty, Stanley (Albuquerque, NM); Symons, Philip C. (Surprise, AZ); Butler, Paul C. (Albuquerque, NM); Corey, Garth P. (Albuquerque, NM)

    2009-07-28T23:59:59.000Z

    A power management system is provided that includes a power supply means comprising a plurality of power supply strings, a testing means operably connected to said plurality of power supply strings for evaluating performance characteristics of said plurality of power supply strings, and a control means for monitoring power requirements and comprising a switching means for controlling switching of said plurality of power supply strings to said testing means.

  10. Renewable Energy and Efficiency Modeling Analysis Partnership: An Analysis of How Different Energy Models Addressed a Common High Renewable Energy Penetration Scenario in 2025

    E-Print Network [OSTI]

    Blair, N.

    2010-01-01T23:59:59.000Z

    power and renewable energy sources. o If the model includedmodels that contain other renewable sources (solar, geothermal, bio- power,

  11. 2012 Renewable Energy Data Book (Book)

    SciTech Connect (OSTI)

    Gelman, R.

    2013-10-01T23:59:59.000Z

    This Renewable Energy Data Book for 2012 provides facts and figures in a graphical format on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar power, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investment.

  12. 2013 Renewable Energy Data Book (Book)

    SciTech Connect (OSTI)

    Esterly, S.

    2014-12-01T23:59:59.000Z

    This Renewable Energy Data Book for 2013 provides facts and figures on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar power, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investment.

  13. Non-powered Dams: An untapped source of renewable electricity in the USA

    SciTech Connect (OSTI)

    Hadjerioua, Boualem [ORNL; Kao, Shih-Chieh [ORNL; Wei, Yaxing [ORNL; Battey, Hoyt [Department of Energy; Smith, Brennan T [ORNL

    2012-01-01T23:59:59.000Z

    Hydropower has been a source of clean, renewable electricity in the USA for more than 100 years. Today, approximately 2500 US dams provide 78 GW of conventional and 22 GW of pumped-storage hydropower. In contrast, another approximately 80 000 dams in the USA do not include hydraulic turbine equipment and provide non-energy related services, such as flood control, water supply, navigation, and recreation.

  14. Smoothing the Eects of Renewable Generation on the Distribution Grid

    E-Print Network [OSTI]

    Naud, Paul S.

    2014-01-01T23:59:59.000Z

    to Grid by Paul Naud Renewable electrical power sourcessystem based on various renewable energy resources. InCRUZ Smoothing the Effects of Renewable Generation on the

  15. Effective Renewable Energy Policy: Leave It to the States?

    E-Print Network [OSTI]

    Weissman, Steven

    2011-01-01T23:59:59.000Z

    megawatts of installed renewable energy capacity in thePortfolio Standards,” Renewable Energy Law Blog (Apr. 30,as well as small renewable energy power facilities (no

  16. Model documentation: Renewable Fuels Module of the National Energy Modeling System

    SciTech Connect (OSTI)

    Not Available

    1994-04-01T23:59:59.000Z

    This report documents the objectives, analytical approach, and design of the National Energy Modeling System (NEMS) Renewable Fuels Module (RFM) as it related to the production of the 1994 Annual Energy Outlook (AEO94) forecasts. The report catalogues and describes modeling assumptions, computational methodologies, data inputs, and parameter estimation techniques. A number of offline analyses used in lieu of RFM modeling components are also described. This documentation report serves two purposes. First, it is a reference document for model analysts, model users, and the public interested in the construction and application of the RFM. Second, it meets the legal requirement of the Energy Information Administration (EIA) to provide adequate documentation in support of its models. The RFM consists of six analytical submodules that represent each of the major renewable energy resources -- wood, municipal solid waste (MSW), solar energy, wind energy, geothermal energy, and alcohol fuels. Of these six, four are documented in the following chapters: municipal solid waste, wind, solar and biofuels. Geothermal and wood are not currently working components of NEMS. The purpose of the RFM is to define the technological and cost characteristics of renewable energy technologies, and to pass these characteristics to other NEMS modules for the determination of mid-term forecasted renewable energy demand.

  17. Model documentation renewable fuels module of the National Energy Modeling System

    SciTech Connect (OSTI)

    NONE

    1995-06-01T23:59:59.000Z

    This report documents the objectives, analytical approach, and design of the National Energy Modeling System (NEMS) Renewable Fuels Module (RFM) as it relates to the production of the 1995 Annual Energy Outlook (AEO95) forecasts. The report catalogues and describes modeling assumptions, computational methodologies, data inputs, and parameter estimation techniques. A number of offline analyses used in lieu of RFM modeling components are also described. The RFM consists of six analytical submodules that represent each of the major renewable energy resources--wood, municipal solid waste (MSW), solar energy, wind energy, geothermal energy, and alcohol fuels. The RFM also reads in hydroelectric facility capacities and capacity factors from a data file for use by the NEMS Electricity Market Module (EMM). The purpose of the RFM is to define the technological, cost and resource size characteristics of renewable energy technologies. These characteristics are used to compute a levelized cost to be competed against other similarly derived costs from other energy sources and technologies. The competition of these energy sources over the NEMS time horizon determines the market penetration of these renewable energy technologies. The characteristics include available energy capacity, capital costs, fixed operating costs, variable operating costs, capacity factor, heat rate, construction lead time, and fuel product price.

  18. Commissioning & Optimization of On-Site Renewable Energy Systems

    E-Print Network [OSTI]

    Gardner, J.C.

    2011-01-01T23:59:59.000Z

    to the documents provided. At this point, the system is energized in steps to verify the electrical design. This procedure starts at the solar modules and works its way to the inverter and finally to the interconnection with the building electrical... specification Measurements within specifications Make corrections Inverter Insure Voc is the same as in the DC disconnect switch Measurements within specifications Make corrections Inverter Energize (AC and DC disconnects closed) Final on site...

  19. Power Maximization of a Closed-orbit Kite Generator System Mariam Ahmed*

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    . The third option is to use power kites as renewable energy generators such as the "Kite Wind Generator

  20. Uninterruptible power supply (UPS) systems

    SciTech Connect (OSTI)

    NONE

    1997-04-01T23:59:59.000Z

    Use of this purchase specification is not mandatory. User should review the document and determine if it meets the user`s purpose. This document contains a fill-in-the-blanks guide specification for the procurement of uninterruptible power supply (UPS) systems greater than 10 kVA, organized as follows: Parts 1 through 7--technical requirements; Appendix A--technical requirements to be included in the proposal; Appendix B--UPS system data sheets to be completed by each bidder (Seller) and submitted with the proposal; Appendix C--general guidelines giving the specifier parameters for selecting a UPS system; it should be read before preparing an actual specification, and is not attached to the specification; Attachment 1--sketches prepared by the purchaser (Owner); Attachment 2--sample title page.

  1. Wind Speed Forecasting for Power System Operation 

    E-Print Network [OSTI]

    Zhu, Xinxin

    2013-07-22T23:59:59.000Z

    In order to support large-scale integration of wind power into current electric energy system, accurate wind speed forecasting is essential, because the high variation and limited predictability of wind pose profound challenges to the power system...

  2. Wind Speed Forecasting for Power System Operation

    E-Print Network [OSTI]

    Zhu, Xinxin

    2013-07-22T23:59:59.000Z

    In order to support large-scale integration of wind power into current electric energy system, accurate wind speed forecasting is essential, because the high variation and limited predictability of wind pose profound challenges to the power system...

  3. Power Systems Integration Laboratory (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2011-10-01T23:59:59.000Z

    This fact sheet describes the purpose, lab specifications, applications scenarios, and information on how to partner with NREL's Power Systems Integration Laboratory at the Energy Systems Integration Facility. At NREL's Power Systems Integration Laboratory in the Energy Systems Integration Facility (ESIF), research focuses on developing and testing large-scale distributed energy systems for grid-connected, stand-alone, and microgrid applications. The laboratory can accommodate large power system components such as inverters for photovoltaic (PV) and wind systems, diesel and natural gas generators, battery packs, microgrid interconnection switchgear, and vehicles. Closely coupled with the research electrical distribution bus at the ESIF, the Power Systems Integration Laboratory will offer power testing capability of megawatt-scale DC and AC power systems, as well as advanced hardware-in-the-loop and model-in-the-loop simulation capabilities. Thermal heating and cooling loops and fuel also allow testing of combined heating/cooling and power systems (CHP).

  4. Probability-Based Software for Grid Optimization: Improved Power System Operations Using Advanced Stochastic Optimization

    SciTech Connect (OSTI)

    None

    2012-02-24T23:59:59.000Z

    GENI Project: Sandia National Laboratories is working with several commercial and university partners to develop software for market management systems (MMSs) that enable greater use of renewable energy sources throughout the grid. MMSs are used to securely and optimally determine which energy resources should be used to service energy demand across the country. Contributions of electricity to the grid from renewable energy sources such as wind and solar are intermittent, introducing complications for MMSs, which have trouble accommodating the multiple sources of price and supply uncertainties associated with bringing these new types of energy into the grid. Sandia’s software will bring a new, probability-based formulation to account for these uncertainties. By factoring in various probability scenarios for electricity production from renewable energy sources in real time, Sandia’s formula can reduce the risk of inefficient electricity transmission, save ratepayers money, conserve power, and support the future use of renewable energy.

  5. SITE ELECTRICAL POWER SYSTEM DESCRIPTION DOCUMENT

    SciTech Connect (OSTI)

    E.P. McCann

    1999-04-16T23:59:59.000Z

    The Site Electrical Power System receives and distributes utility power to all North Portal site users. The major North Portal users are the Protected Area including the subsurface facility and Balance of Plant areas. The system is remotely monitored and controlled from the Surface Operations Monitoring and Control System. The system monitors power quality and provides the capability to transfer between Off-Site Utility and standby power (including dedicated safeguards and security power). Standby power is only distributed to selected loads for personnel safety and essential operations. Security power is only distributed to essential security operations. The standby safeguards and security power is independent from all other site power. The system also provides surface lighting, grounding grid, and lightning protection for the North Portal. The system distributes power during construction, operation, caretaker, and closure phases of the repository. The system consists of substation equipment (disconnect switches, breakers, transformers and grounding equipment) and power distribution cabling from substation to the north portal switch gear building. Additionally, the system includes subsurface facility substation (located on surface), switch-gear, standby diesel generators, underground duct banks, power cables and conduits, switch-gear building and associated distribution equipment for power distribution. Each area substation distributes power to the electrical loads and includes the site grounding, site lighting and lightning protection equipment. The site electrical power system distributes power of sufficient quantity and quality to meet users demands. The Site Electrical Power System interfaces with the North Portal surface systems requiring electrical power. The system interfaces with the Subsurface Electrical Distribution System which will supply power to the underground facilities from the North Portal. Power required for the South Portal and development side activities of the subsurface facility will be provided at the South Portal by the Subsurface Electrical Distribution System. The Site Electrical Power System interfaces with the Off-Site Utility System for the receipt of power. The System interfaces with the Surface Operations Monitoring and Control System for monitoring and control. The System interfaces with MGR Site Layout System for the physical location of equipment and power distribution.

  6. Renewable Electric Plant Information System user interface manual: Paradox 7 Runtime for Windows

    SciTech Connect (OSTI)

    NONE

    1996-11-01T23:59:59.000Z

    The Renewable Electric Plant Information System (REPiS) is a comprehensive database with detailed information on grid-connected renewable electric plants in the US. The current version, REPiS3 beta, was developed in Paradox for Windows. The user interface (UI) was developed to facilitate easy access to information in the database, without the need to have, or know how to use, Paradox for Windows. The UI is designed to provide quick responses to commonly requested sorts of the database. A quick perusal of this manual will familiarize one with the functions of the UI and will make use of the system easier. There are six parts to this manual: (1) Quick Start: Instructions for Users Familiar with Database Applications; (2) Getting Started: The Installation Process; (3) Choosing the Appropriate Report; (4) Using the User Interface; (5) Troubleshooting; (6) Appendices A and B.

  7. Complete Automation of Future Grid for Optimal Real-Time Distribution of Renewables

    E-Print Network [OSTI]

    Loudon, Catherine

    integrates tie-set graph theory with an intelligent agent system, is presented to distribute renewable energy]-[3]. The renewable energy resource applications will offset dependence of fossil fuels, and provide green power options for atmospheric emissions curtailment. However, harvesting renewable energies may be unstable due

  8. Integration of renewable energy into the transport and electricity sectors through V2G

    E-Print Network [OSTI]

    Firestone, Jeremy

    Integration of renewable energy into the transport and electricity sectors through V2G Henrik Lund Renewable energy Wind powerQ1 a b s t r a c t Large-scale sustainable energy systems will be necessary replace oil in the transportation sector, and (2) since today's inexpensive and abundant renewable energy

  9. Wind Power Systems 1. Overview

    E-Print Network [OSTI]

    Ding, Yu

    or non-renewable 3 #12;Electricity basics1 Step-up transmission substation(155-765kV) · Step-down transmission substation (69 kV) · Distribution substations (19.9-24kV) Generation Transmission Distribution 4 1, Connecticut, Delaware, District of Columbia, Illinois, Maine, Maryland, Massachusetts, Michigan, Montana

  10. Options for Affordable Fission Surface Power Systems

    SciTech Connect (OSTI)

    Houts, Mike; Gaddis, Steve; Porter, Ron; Van Dyke, Melissa; Martin, Jim; Godfroy, Tom; Bragg-Sitton, Shannon; Garber, Anne; Pearson, Boise [NASA Marshall Space Flight Center, VP31, MSFC, AL 35812 (United States)

    2006-07-01T23:59:59.000Z

    Fission surface power systems could provide abundant power anywhere on the surface of the moon or Mars. Locations could include permanently shaded regions on the moon and high latitudes on Mars. To be fully utilized, however, fission surface power systems must be safe, have adequate performance, and be affordable. This paper discusses options for the design and development of such systems. (authors)

  11. Wind Power Systems 1.0 Overview

    E-Print Network [OSTI]

    Ding, Yu

    Wind Power Systems 1.0 Overview 2.0 Simulation model for wind farm operation 3.0 Research topics #12;Contents 1. Overview of wind power systems 2. Simulation model of wind farm operations 3. Research area of wind power systems 3.0 Overview 3.1 Economic dispatch 3.2 Correlation analysis 3.3 Energy

  12. 2006 NET SYSTEM POWER REPORT COMMISSIONREPORT

    E-Print Network [OSTI]

    CALIFORNIA ENERGY COMMISSION 2006 NET SYSTEM POWER REPORT COMMISSIONREPORT April 2007 CEC-300 This report provides the California Energy Commission's annual calculation of net system power as required by state law (Public Utilities Code, § 398.1 - 398.5). The report also defines net system power

  13. Bifurcation Analysis of Various Power System Models

    E-Print Network [OSTI]

    Cañizares, Claudio A.

    modeling, voltage collapse. I. Introduction Voltage stability problems in power systems may occurBifurcation Analysis of Various Power System Models William D. Rosehart Claudio A. Ca This paper presents the bifurcation analysis of a detailed power system model composed of an aggregated

  14. Criteria for Practical Fusion Power Systems

    E-Print Network [OSTI]

    Criteria for Practical Fusion Power Systems: Report from the EPRI Fusion Panel By Jack Kaslow1 development of commercially vi- able fusion systems, the Electric Power Re- search Institute (EPRI) -- the R developers toward practical power systems that can obtain the financial, public, and regulatory support

  15. Power Spectra for Deterministic Chaotic Dynamical Systems

    E-Print Network [OSTI]

    Power Spectra for Deterministic Chaotic Dynamical Systems Ian Melbourne #3; Georg A. Gottwald y 8 observables. For slowly mixing systems such as Pomeau-Manneville intermittency maps, where the power spectrum done for mixing Axiom A systems [19] where the power spectrum is analytic apart from isolated

  16. Power Spectra for Deterministic Chaotic Dynamical Systems

    E-Print Network [OSTI]

    Gottwald, Georg A.

    Power Spectra for Deterministic Chaotic Dynamical Systems Ian Melbourne Georg A. Gottwald 23 July observables. For slowly mixing systems such as Pomeau-Manneville intermittency maps, where the power spectrum done for mixing Axiom A systems [19] where the power spectrum is analytic apart from isolated

  17. Agent Based Power System Transient Stability Enhancement

    E-Print Network [OSTI]

    Pota, Himanshu Roy

    Agent Based Power System Transient Stability Enhancement M. S. Rahman, Student Member, IEEE, M. J. Hossain and H. R. Pota Abstract--This paper describes an intelligent agent approach to power system fault electric power system is most capital investive and vast complex network with increasing interconnections

  18. A Note on System Integration to Support a Renewable Energy System

    E-Print Network [OSTI]

    and a simultaneous increase in coal generation. The cost of solar power has fallen to competitive levels much more countries have grown phenomenally, CO2 emissions have hardly decreased due to lower coal prices generation, storage, demand response and interconnection. The energy system, however, is clearly more than

  19. Assessing Renewable Energy Options

    Broader source: Energy.gov [DOE]

    Federal agencies should assess renewable energy options for each specific project when integrating renewable energy in new building construction or major renovations. This section covers the preliminary screening, screening, feasibility study, and sizing and designing systems phases.

  20. Renewables and Sector Partnerships

    Office of Energy Efficiency and Renewable Energy (EERE)

    U.S. Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy (EERE) Community Renewable Energy Success Stories Webinar series presentation by Susanna Sutherland, City of Knoxville, Tennessee, on financing solar energy systems.

  1. Retail Beamed Power for a Micro Renewable Energy Architecture: Survey Narayanan Komerath, Girish Chowdhary

    E-Print Network [OSTI]

    komerath@gatech.edu Abstract-- Retail delivery of electric power through millimeter waves is relevant in developing areas where the market for micro devices outpaces the power grid infrastructure. It is also for the electric power grid as well. This poses a window of opportunity for options that are compatible with micro

  2. Renewable Energy and Efficiency Modeling Analysis Partnership: An Analysis of How Different Energy Models Addressed a Common High Renewable Energy Penetration Scenario in 2025

    E-Print Network [OSTI]

    Blair, N.

    2010-01-01T23:59:59.000Z

    State Tax Incentives and Renewable Energy driven by greenNo incentives/ system benefits charges for renewable energyincentives/ system benefit charges for renewables RPS Policy Assumptions • Renewable Energy

  3. Renewable Electricity Futures for the United States

    SciTech Connect (OSTI)

    Mai, Trieu; Hand, Maureen; Baldwin, Sam F.; Wiser , Ryan; Brinkman, G.; Denholm, Paul; Arent, Doug; Porro, Gian; Sandor, Debra; Hostick, Donna J.; Milligan, Michael; DeMeo, Ed; Bazilian, Morgan

    2014-04-14T23:59:59.000Z

    This paper highlights the key results from the Renewable Electricity (RE) Futures Study. It is a detailed consideration of renewable electricity in the United States. The paper focuses on technical issues related to the operability of the U. S. electricity grid and provides initial answers to important questions about the integration of high penetrations of renewable electricity technologies from a national perspective. The results indicate that the future U. S. electricity system that is largely powered by renewable sources is possible and the further work is warranted to investigate this clean generation pathway. The central conclusion of the analysis is that renewable electricity generation from technologies that are commercially available today, in combination with a more flexible electric system, is more than adequate to supply 80% of the total U. S. electricity generation in 2050 while meeting electricity demand on an hourly basis in every region of the United States.

  4. State Renewable Electricity Profiles

    Reports and Publications (EIA)

    2012-01-01T23:59:59.000Z

    Presents a summary of current and recent historical data for the renewable electric power industry. The data focuses on net summer capacity and net generation for each type of renewable generator, as well as fossil-fired and nuclear power plant types, for the period 2006 through 2010.

  5. Renewable Electricity Futures (Presentation)

    SciTech Connect (OSTI)

    Mai, T.

    2012-08-01T23:59:59.000Z

    This presentation summarizes findings of NREL's Renewable Electricity Futures study, published in June 2012. RE Futures investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050. This presentation was presented in a Wind Powering America webinar on August 15, 2012 and is now available through the Wind Powering America website.

  6. Cogeneration and beyond: The need and opportunity for high efficiency, renewable community energy systems

    SciTech Connect (OSTI)

    Gleason, T.C.J.

    1992-06-01T23:59:59.000Z

    The justification, strategies, and technology options for implementing advanced district heating and cooling systems in the United States are presented. The need for such systems is discussed in terms of global warming, ozone depletion, and the need for a sustainable energy policy. Strategies for implementation are presented in the context of the Public Utilities Regulatory Policies Act and proposed new institutional arrangements. Technology opportunities are highlighted in the areas of advanced block-scale cogeneration, CFC-free chiller technologies, and renewable sources of heating and cooling that are particularly applicable to district systems.

  7. Feasibility Study of Economics and Performance of Biopower at the Chanute Air Force Base in Rantoul, Illinois. 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 (OSTI)

    Scarlata, C.; Mosey, G.

    2013-05-01T23:59:59.000Z

    The U.S. Environmental Protection Agency (EPA), in accordance with the RE-Powering America's Land initiative, selected the Former Chanute Air Force Base site in Rantoul, Illinois, for a feasibility study of renewable energy production. The National Renewable Energy Laboratory (NREL) was contacted to provide technical assistance for this project. The purpose of this study was to assess the site for a possible biopower system installation and estimate the cost, performance, and impacts of different biopower options.

  8. Analysis of Concentrating Solar Power with Thermal Energy Storage in a California 33% Renewable Scenario

    SciTech Connect (OSTI)

    Denholm, P.; Wan, Y. H.; Hummon, M.; Mehos, M.

    2013-03-01T23:59:59.000Z

    This analysis evaluates CSP with TES in a scenario where California derives 33% of its electricity from renewable energy sources. It uses a commercial grid simulation tool to examine the avoided operational and capacity costs associated with CSP and compares this value to PV and a baseload generation with constant output. Overall, the analysis demonstrates several properties of dispatchable CSP, including the flexibility to generate during periods of high value and avoid generation during periods of lower value. Of note in this analysis is the fact that significant amount of operational value is derived from the provision of reserves in the case where CSP is allowed to provide these services. This analysis also indicates that the 'optimal' configuration of CSP could vary as a function of renewable penetration, and each configuration will need to be evaluated in terms of its ability to provide dispatchable energy, reserves, and firm capacity. The model can be used to investigate additional scenarios involving alternative technology options and generation mixes, applying these scenarios within California or in other regions of interest.

  9. AC system stability analysis and assessment for Shipboard Power Systems 

    E-Print Network [OSTI]

    Qi, Li

    2006-04-12T23:59:59.000Z

    The electric power systems in U.S. Navy ships supply energy to sophisticated systems for weapons, communications, navigation and operation. The reliability and survivability of a Shipboard Power System (SPS) are critical ...

  10. AC system stability analysis and assessment for Shipboard Power Systems

    E-Print Network [OSTI]

    Qi, Li

    2006-04-12T23:59:59.000Z

    The electric power systems in U.S. Navy ships supply energy to sophisticated systems for weapons, communications, navigation and operation. The reliability and survivability of a Shipboard Power System (SPS) are critical to the mission of a Navy...

  11. Integration of Renewable Resources November 2007

    E-Print Network [OSTI]

    Integration of Renewable Resources November 2007 Transmission and operating issues and recommendations for integrating renewable resources on the California ISO-controlled Grid California Independent System Operator #12;CAISO Integration of Renewable Resources Members of the Renewables Workgroup

  12. Financing Mechanisms for Renewable Energy Projects | Department...

    Energy Savers [EERE]

    Depending on the nature of the contract, the federal facility may receive renewable energy certificates (RECs) bundled with the purchase of renewable power. If the agency...

  13. Sandia National Laboratories: clean and affordable renewable...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    clean and affordable renewable power SWiFT Commissioned to Study Wind Farm Optimization On July 29, 2013, in Energy, Facilities, News, News & Events, Partnership, Renewable Energy,...

  14. POWER GRID DYNAMICS: ENHANCING POWER SYSTEM OPERATION THROUGH PRONY ANALYSIS

    SciTech Connect (OSTI)

    Ray, C.; Huang, Z.

    2007-01-01T23:59:59.000Z

    Prony Analysis is a technique used to decompose a signal into a series consisting of weighted complex exponentials and promises to be an effi cient way of recognizing sensitive lines during faults in power systems such as the U.S. Power grid. Positive Sequence Load Flow (PSLF) was used to simulate the performance of a simple two-area-four-generator system and the reaction of the system during a line fault. The Dynamic System Identifi cation (DSI) Toolbox was used to perform Prony analysis and use modal information to identify key transmission lines for power fl ow adjustment to improve system damping. The success of the application of Prony analysis methods to the data obtained from PSLF is reported, and the key transmission line for adjustment is identifi ed. Future work will focus on larger systems and improving the current algorithms to deal with networks such as large portions of the Western Electricity Coordinating Council (WECC) power grid.

  15. PEMFC Power System on EthanolPEMFC Power System on Ethanol Caterpillar Inc.Caterpillar Inc.

    E-Print Network [OSTI]

    J. RichardsThomas J. Richards #12;PEM ETHANOL FUEL CELL DOE Hydrogen & Fuel Cells 2003 Annual Merit Review 21 May 2003 #12;PEM ETHANOL FUEL CELL In 2003, a 10-15 kW stationary PEM fuel cell system examines the durability of a PEM based fuel cell system while operating on ethanol - a renewable fuel

  16. 2009 Renewable Energy Data Book, August 2010

    SciTech Connect (OSTI)

    Not Available

    2010-08-01T23:59:59.000Z

    This Renewable Energy Data Book for 2009 provides facts and figures on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar energy, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investments.

  17. 2011 Renewable Energy Data Book (Book)

    SciTech Connect (OSTI)

    Gelman, R.

    2012-10-01T23:59:59.000Z

    This Renewable Energy Data Book for 2011 provides facts and figures on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar energy, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investments.

  18. 2010 Renewable Energy Data Book (Book)

    SciTech Connect (OSTI)

    Gelman, R.

    2011-10-01T23:59:59.000Z

    This Renewable Energy Data Book for 2010 provides facts and figures on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar energy, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investments.

  19. Integrated Retail & Wholesale Power System Operation

    E-Print Network [OSTI]

    Tesfatsion, Leigh

    Integrated Retail & Wholesale Power System Operation with Smart-Grid Functionality PIs: Dionysios Retail/Wholesale Power System Operation with Smart-Grid Functionality Project PIs: Dionysios Aliprantis (open-source release): AMES Wholesale Power Market Testbed (ISU) + GridLAB-D distribution platform (DOE

  20. Financing Home Energy and Renewable Energy Improvements with FHA PowerSaver Loans (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-07-01T23:59:59.000Z

    This fact sheet is a revision to the PowerSaver Loan Benefits fact sheet from April 2014. It describes how the U.S. Department of Housing and Urban Development (HUD) PowerSaver Loan Program offers borrowers low-cost FHA-insured loans to make energy-saving improvements to their homes.

  1. Proceedings of the National Renewable Energy Laboratory Wind Energy Systems Engineering Workshop

    SciTech Connect (OSTI)

    Dykes, K.

    2014-12-01T23:59:59.000Z

    The second National Renewable Energy Laboratory (NREL) Wind Energy Systems Engineering Workshop was held in Broomfield, Colorado, from January 29 to February 1, 2013. The event included a day-and-a-half workshop exploring a wide variety of topics related to system modeling and design of wind turbines and plants. Following the workshop, 2 days of tutorials were held at NREL, showcasing software developed at Sandia National Laboratories, the National Aeronautics and Space Administration's Glenn Laboratories, and NREL. This document provides a brief summary of the various workshop activities and includes a review of the content and evaluation results from attendees.

  2. Nova power systems: status and operating experience

    SciTech Connect (OSTI)

    Whitham, K.; Merritt, B.T.; Gritton, D.G.; Smart, A.J.; Holloway, R.W.; Oicles, J.A.

    1983-11-28T23:59:59.000Z

    This paper describes the pulse power systems that are used in these lasers; the status and the operating experiences. The pulsed power system for the Nova Laser is comprised of several distinct technology areas. The large capacitor banks for driving flashlamps that excite the laser glass is one area, the fast pulsers that drive pockels cell shutters is another area, and the contol system for the pulsed power is a third. This paper discusses the capacitor banks and control systems.

  3. Improved refractories for IGCC power systems

    SciTech Connect (OSTI)

    Dogan, Cynthia P.; Kwong, Kyei-Sing; Bennet, James P.; Chinn, Richard E.; Dahlin, Cheryl L.

    2002-09-01T23:59:59.000Z

    Certain advantages make coal gasification a key element in the US Department of Energy's Vision 21 power system. However, issues of reliability and gasifier operation economics need to be resolved before gasification is widely adopted by the power generation industry.

  4. Visualizations for Power System Contingency Analysis Data

    E-Print Network [OSTI]

    whether the system is secure. With the global trend towards deregulation in the power system industry increasing. Not only has deregulation resulted in much larger system model sizes, but also CA is computed

  5. Coupling Renewable Energy Supply with Deferrable Demand

    E-Print Network [OSTI]

    Papavasiliou, Anthony

    2011-01-01T23:59:59.000Z

    The lattice model of renewable power supply and real-timerenewable power supply, by formulating a unit commitment model.model that can be used for assessing the impact of integrating renewable power

  6. Renewable Energy and Combined Heat and Power Resources in the UK

    E-Print Network [OSTI]

    Watson, Andrew

    .......................................................................................................30 4. Combined Heat and Power (CHP)...................................................................................32 4.1 Current CHP Capacity and Short-term Projections ...................................................32 4.2 The Long-term Potential for CHP in the UK

  7. Renewable energy powered membrane technology: Salt and inorganic contaminant removal by nanofiltration/reverse osmosis 

    E-Print Network [OSTI]

    Richards, Laura A.; Richards, Bryce S.; Schäfer, Andrea

    2011-01-01T23:59:59.000Z

    The objective of this study was to evaluate the effects of fluctuating energy and pH on retention of dissolved contaminants from real Australian groundwaters using a solar (photovoltaic) powered ultrafiltration – ...

  8. Maximizing nuclear power plant performance via mega-uprates and subsequent license renewal

    E-Print Network [OSTI]

    DeWitte, Jacob D. (Jacob Dominic)

    2014-01-01T23:59:59.000Z

    The goal of this thesis is to develop a methodology to evaluate the engineering and economic implications of maximizing performance of the United States' commercial fleet of nuclear power plants. This methodology addresses ...

  9. Magnetic Energy Storage System: Superconducting Magnet Energy Storage System with Direct Power Electronics Interface

    SciTech Connect (OSTI)

    None

    2010-10-01T23:59:59.000Z

    GRIDS Project: ABB is developing an advanced energy storage system using superconducting magnets that could store significantly more energy than today’s best magnetic storage technologies at a fraction of the cost. This system could provide enough storage capacity to encourage more widespread use of renewable power like wind and solar. Superconducting magnetic energy storage systems have been in development for almost 3 decades; however, past devices were designed to supply power only for short durations—generally less than a few minutes. ABB’s system would deliver the stored energy at very low cost, making it ideal for eventual use in the electricity grid as a costeffective competitor to batteries and other energy storage technologies. The device could potentially cost even less, on a per kilowatt basis, than traditional lead-acid batteries.

  10. Sandia National Laboratories: Concentrating Solar Power

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Molten Salt Test Loop Pump Installed On August 30, 2012, in Concentrating Solar Power, Energy, Energy Storage Systems, News, Renewable Energy, Solar The pump was delivered and...

  11. Sandia National Laboratories: Photovoltaic Power Systems Programme...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Photovoltaic Power Systems Programme Task 13 Sandian Presents on PV Failure Analysis at European PV Solar Energy Conference and Exhibition (EU PVSC) On December 15, 2014, in...

  12. Testing and modeling of a solar thermophotovoltaic power system

    SciTech Connect (OSTI)

    Stone, K.W. [McDonnell Douglas, 5301 Bolsa Ave, Huntington Bch., California 92647 (United States); Chubb, D.L.; Wilt, D.M. [NASA Lewis Research Center, 21000 Brookpark Rd., Cleveland, Ohio 44135 (United States); Wanlass, M.W. [National Renewable Energy Lab, 1617 Cole Boulevard, Golden, Colorado 80401 (United States)

    1996-02-01T23:59:59.000Z

    A solar thermophotovoltaic (STPV) power system has attractive attributes for both space and terrestrial applications. This paper presents the results of testing by McDonnell Douglas Aerospace (MDA) over the last year with components furnished by the NASA Lewis Research Center (LeRC) and the National Renewable Energy Lab (NREL). The testing has included a large scale solar TPV testbed system and small scale laboratory STPV simulator using a small furnace. The testing apparatus, instrumentation, and operation are discussed, including a description of the emitters and photovoltaic devices that have been tested. Over 50 on-sun tests have been conducted with the testbed system. It has accumulated over 300 hours of on-sun time, and 1.5 MWh of thermal energy incident on the receiver material while temperatures and I-V measurements were taken. A summary of the resulting test data is presented that shows the measured performance at temperatures up to 1220{degree}C. The receiver materials and PV cells have endured the high temperature operation with no major problems. The results of this investigation support MDA belief that STPV is a viable power system for both space and terrestrial power applications. {copyright} {ital 1996 American Institute of Physics.}

  13. Neutral Beam Power System for TPX

    SciTech Connect (OSTI)

    Ramakrishnan, S.; Bowen, O.N.; O`Conner, T.; Edwards, J.; Fromm, N.; Hatcher, R.; Newman, R.; Rossi, G.; Stevenson, T.; von Halle, A.

    1993-11-01T23:59:59.000Z

    The Tokamak Physics Experiment (TPX) will utilize to the maximum extent the existing Tokamak Fusion Test Reactor (TFTR) equipment and facilities. This is particularly true for the TFTR Neutral Beam (NB) system. Most of the NB hardware, plant facilities, auxiliary sub-systems, power systems, service infrastructure, and control systems can be used as is. The major changes in the NB hardware are driven by the new operating duty cycle. The TFTR Neutral Beam was designed for operation of the Sources for 2 seconds every 150 seconds. The TPX requires operation for 1000 seconds every 4500 seconds. During the Conceptual Design Phase of TPX every component of the TFTR NB Electrical Power System was analyzed to verify whether the equipment can meet the new operational requirements with our without modifications. The Power System converts 13.8 kV prime power to controlled pulsed power required at the NB sources. The major equipment involved are circuit breakers, auto and rectifier transformers surge suppression components, power tetrodes, HV Decks, and HVDC power transmission to sources. Thermal models were developed for the power transformers to simulate the new operational requirements. Heat runs were conducted for the power tetrodes to verify capability. Other components were analyzed to verify their thermal limitations. This paper describes the details of the evaluation and redesign of the electrical power system components to meet the TPX operational requirements.

  14. Identification of Severe Multiple Contingencies in Electric Power Systems

    E-Print Network [OSTI]

    Donde, Vaibhav; Lopez, Vanessa; Lesieutre, Bernard; Pinar, Ali; Yang, Chao; Meza, Juan

    2008-01-01T23:59:59.000Z

    collapse in electrical power systems,” IEEE Transactions onpower sys- tems,” International Journal of Electrical Power and Energy Systems,

  15. Identification of Severe Multiple Contingencies in Electric Power Systems

    E-Print Network [OSTI]

    Donde, Vaibhav

    2010-01-01T23:59:59.000Z

    collapse in electrical power systems,” IEEE Transactions onpower sys- tems,” International Journal of Electrical Power and Energy Systems,

  16. Power Systems Engineering Research Center Integration of Storage Devices into Power Systems

    E-Print Network [OSTI]

    Van Veen, Barry D.

    of storage technology have led to wider deployment of storage technologies. In this project we developed energy sources into a power system while improving overall system reliability. Storage also hasPower Systems Engineering Research Center Integration of Storage Devices into Power Systems

  17. Development of Conceptual Framework Renewable Energy Certificate Mechanism for India

    E-Print Network [OSTI]

    Columbia University

    Delhi Electricity Regulatory Commission DMRPS Dynamic Minimum Renewable Purchase Standard EA 2003 Renewable Obligation Certificate RPS Renewable Purchase Specification RPO Renewable Purchase Obligation RPC Regional Power Committee Rs Rupees SERC State Electricity Regulatory Commission SLDC State Load Despatch

  18. ASSESSING POWER PLANT COOLING WATER INTAKE SYSTEM

    E-Print Network [OSTI]

    ASSESSING POWER PLANT COOLING WATER INTAKE SYSTEM ENTRAINMENT IMPACTS Prepared For: California be obvious that large studies like these require the coordinated work of many people. We would first like from the Duke Energy South Bay and Morro Bay power plants and the PG&E Diablo Canyon Power Plant

  19. Distributed Power Control in Wireless Communication Systems

    E-Print Network [OSTI]

    Chronopoulos, Anthony T.

    Distributed Power Control in Wireless Communication Systems S. Jagannathan A. T. Chronopoulos, S layered structure in that we jointly address the issue of transmitted power levels in point to point commu the transmitter power at a given node increases not only the operating life of the bat- tery but also the overall

  20. New Approachesfor Bulk Power System Restoration

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    New Approachesfor Bulk Power System Restoration by AbbasKETABI M.Sc in Electrical EngineeringUniversity of Technology Department of Electrical Engineering, Teheran, Iran Supervisors: SHARIF Professor: Ali M. RANJBAR and complexity. Both factors increase the risk of major power outages. After a blackout, power needs

  1. Optimal Power Management in Wireless Control Systems

    E-Print Network [OSTI]

    Plotkin, Joshua B.

    Optimal Power Management in Wireless Control Systems Konstantinos Gatsis, Student Member, IEEE to the controller over a wireless fading channel. The power allocated to these transmissions determines state. The goal is to design plant input and transmit power policies that minimize an infinite horizon

  2. The Potential Impact of Increased Renewable Energy Penetration Levels on Electricity Bill Savings From Residential Photovoltaic Systems

    E-Print Network [OSTI]

    Barbose, Galen

    2014-01-01T23:59:59.000Z

    ABORATORY The Potential Impact of Increased Renewable Energyemployer. The Potential Impact of Increased Renewable Energy

  3. Water reactive hydrogen fuel cell power system

    DOE Patents [OSTI]

    Wallace, Andrew P; Melack, John M; Lefenfeld, Michael

    2014-01-21T23:59:59.000Z

    A water reactive hydrogen fueled power system includes devices and methods to combine reactant fuel materials and aqueous solutions to generate hydrogen. The generated hydrogen is converted in a fuel cell to provide electricity. The water reactive hydrogen fueled power system includes a fuel cell, a water feed tray, and a fuel cartridge to generate power for portable power electronics. The removable fuel cartridge is encompassed by the water feed tray and fuel cell. The water feed tray is refillable with water by a user. The water is then transferred from the water feed tray into a fuel cartridge to generate hydrogen for the fuel cell which then produces power for the user.

  4. Water reactive hydrogen fuel cell power system

    DOE Patents [OSTI]

    Wallace, Andrew P; Melack, John M; Lefenfeld, Michael

    2014-11-25T23:59:59.000Z

    A water reactive hydrogen fueled power system includes devices and methods to combine reactant fuel materials and aqueous solutions to generate hydrogen. The generated hydrogen is converted in a fuel cell to provide electricity. The water reactive hydrogen fueled power system includes a fuel cell, a water feed tray, and a fuel cartridge to generate power for portable power electronics. The removable fuel cartridge is encompassed by the water feed tray and fuel cell. The water feed tray is refillable with water by a user. The water is then transferred from the water feed tray into the fuel cartridge to generate hydrogen for the fuel cell which then produces power for the user.

  5. ADVANCED POWER SYSTEMS ANALYSIS TOOLS

    SciTech Connect (OSTI)

    Robert R. Jensen; Steven A. Benson; Jason D. Laumb

    2001-08-31T23:59:59.000Z

    The use of Energy and Environmental Research Center (EERC) modeling tools and improved analytical methods has provided key information in optimizing advanced power system design and operating conditions for efficiency, producing minimal air pollutant emissions and utilizing a wide range of fossil fuel properties. This project was divided into four tasks: the demonstration of the ash transformation model, upgrading spreadsheet tools, enhancements to analytical capabilities using the scanning electron microscopy (SEM), and improvements to the slag viscosity model. The ash transformation model, Atran, was used to predict the size and composition of ash particles, which has a major impact on the fate of the combustion system. To optimize Atran key factors such as mineral fragmentation and coalescence, the heterogeneous and homogeneous interaction of the organically associated elements must be considered as they are applied to the operating conditions. The resulting model's ash composition compares favorably to measured results. Enhancements to existing EERC spreadsheet application included upgrading interactive spreadsheets to calculate the thermodynamic properties for fuels, reactants, products, and steam with Newton Raphson algorithms to perform calculations on mass, energy, and elemental balances, isentropic expansion of steam, and gasifier equilibrium conditions. Derivative calculations can be performed to estimate fuel heating values, adiabatic flame temperatures, emission factors, comparative fuel costs, and per-unit carbon taxes from fuel analyses. Using state-of-the-art computer-controlled scanning electron microscopes and associated microanalysis systems, a method to determine viscosity using the incorporation of grey-scale binning acquired by the SEM image was developed. The image analysis capabilities of a backscattered electron image can be subdivided into various grey-scale ranges that can be analyzed separately. Since the grey scale's intensity is dependent on the chemistry of the particle, it is possible to map chemically similar areas which can also be related to the viscosity of that compound at temperature. A second method was also developed to determine the elements associated with the organic matrix of the coals, which is currently determined by chemical fractionation. Mineral compositions and mineral densities can be determined for both included and excluded minerals, as well as the fraction of the ash that will be represented by that mineral on a frame-by-frame basis. The slag viscosity model was improved to provide improved predictions of slag viscosity and temperature of critical viscosity for representative Powder River Basin subbituminous and lignite coals.

  6. Electricity for road transport, flexible power systems and wind...

    Open Energy Info (EERE)

    for road transport, flexible power systems and wind power (Smart Grid Project) Jump to: navigation, search Project Name Electricity for road transport, flexible power systems and...

  7. Evaluating Interventions in the U.S. Electricity System: Assessments of Energy Efficiency, Renewable Energy,

    E-Print Network [OSTI]

    of Energy Efficiency, Renewable Energy, and Small-Scale Cogeneration from electricity generation. Renewable energy, energy efficiency, and energy, where performance is measured relative to three objectives: energy production

  8. Renewables Intermittency: Operational Limits and Implications for Long-Term Energy System Models

    E-Print Network [OSTI]

    Delarue, E.

    In several regions of the world, the share of intermittent renewables (such as wind and solar PV) in electricity generation is rapidly increasing. The current share of these renewable energy sources (RES) can still more ...

  9. Princeton Power Systems (TRL 5 6 Component)- Marine High-Voltage Power Conditioning and Transmission System with Integrated Energy Storage

    Broader source: Energy.gov [DOE]

    Princeton Power Systems (TRL 5 6 Component) - Marine High-Voltage Power Conditioning and Transmission System with Integrated Energy Storage

  10. World Energy Congress, Sydney, Australia September 5-9, 2004 OFFSHORE WIND POWER: EASING A RENEWABLE

    E-Print Network [OSTI]

    of wind energy are discussed. 2. Offshore wind energy potential Le potentiel de l'énergie éolienne When.0 0.2 0.4 0.6 0.8 1.0 1.2 Relativeenergy onshoreoffshore Figure 1: Wind energy potential at height 10019 th World Energy Congress, Sydney, Australia September 5-9, 2004 1 OFFSHORE WIND POWER: EASING

  11. Modeling for ship power system emulation

    E-Print Network [OSTI]

    Leghorn, Jeremy T. (Jeremy Thomas)

    2009-01-01T23:59:59.000Z

    With the U.S. Navy's continued focus on Integrated Fight Thru Power (IFTP) there has been an ever increasing effort to ensure an electrical distribution system that maintains maximum capabilities in the event of system ...

  12. Consumers Power, Inc.- Solar Energy System Rebate

    Broader source: Energy.gov [DOE]

    Consumers Power, Inc. (CPI) offers rebates to its residential customers who install solar water heating systems or solar photovoltaic (PV) systems from October 1, 2012 to September 30, 2013. The...

  13. Feasibility Study of Biopower in East Helena, Montana. 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 (OSTI)

    Moriarty, K.

    2013-02-01T23:59:59.000Z

    The U.S. Environmental Protection Agency (EPA) developed the RE-Powering America's Land initiative to reuse contaminated sites for renewable energy generation when aligned with the community's vision for the site. The former American Smelting and Refining Company (Asarco) smelter in East Helena, Montana, was selected for a feasibility study under the initiative. Biomass was chosen as the renewable energy resource based on the wood products industry in the area. Biopower was selected as the technology based on Montana's renewable portfolio standard (RPS) requiring utilities to purchase renewable power.

  14. Offshore Renewable Energy Solutions

    E-Print Network [OSTI]

    and sustainable energy supply. The UK is uniquely placed to harness its natural resources ­ wind, wave and tidal power ­ to meet its target of achieving 15% of energy consumption from renewable sources by 2020. CefasOffshore Renewable Energy Solutions #12;Cefas: meeting complex requirements The Centre

  15. New Renewable 1 Emerging Renewables

    E-Print Network [OSTI]

    Renewable Facilities disbursements include $6 million for the Agriculture Biomass-to-Energy Program. 5New Renewable Facilities 1 Emerging Renewables 2,3 Existing Renewable Facilities 4 Consumer,000,000)$ Appropriations Appropriation for PACE Reserve program per SB 77 (2010) 11 (50,000,000)$ RENEWABLE ENERGY PROGRAM

  16. Renewable energy generation sources

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Nuclear Security Administration under contract DE-AC04-94AL85000. SAND2014-4078P. Renewable Systems & Energy Infrastructure | Solar Programs Sandia mechanical technologist...

  17. COMMISSION REPORT DEVELOPING RENEWABLE

    E-Print Network [OSTI]

    , state properties, photovoltaic, wind, biomass, geothermal, small hydro, storage, distributed renewable distributed generation ­ onsite or small energy systems located close to where

  18. Renewable Energy Incentive Program

    Broader source: Energy.gov [DOE]

    In February 2009, the District Department of the Environment (DDOE) introduced the Renewable Energy Incentive Program (REIP), a rebate for solar photovoltaic (PV) systems. In April 2012, solar...

  19. Improved Power System of the Future

    E-Print Network [OSTI]

    Mario Rabinowitz

    2003-04-22T23:59:59.000Z

    This paper is intended to provide an insight into physics and engineering that can modernize electric power systems. Topics covered are Flexible ac transmission systems (FACTS), Custom Power, Greatly improved Capacitors, Electrical Insulation, Distribution Cables, Improved Polymeric Insulation, Underground Vault Explosions, Fault Location, Smart Cables, Neutral and Ground, Corrosion and Protection, Conventional Transformers, Compact Transformers, Ferroresonance, and Solid State Transformers.

  20. High power laser perforating tools and systems

    DOE Patents [OSTI]

    Zediker, Mark S; Rinzler, Charles C; Faircloth, Brian O; Koblick, Yeshaya; Moxley, Joel F

    2014-04-22T23:59:59.000Z

    ystems devices and methods for the transmission of 1 kW or more of laser energy deep into the earth and for the suppression of associated nonlinear phenomena. Systems, devices and methods for the laser perforation of a borehole in the earth. These systems can deliver high power laser energy down a deep borehole, while maintaining the high power to perforate such boreholes.

  1. Power Allocation for Energy Harvesting Transmitter with Causal Information

    E-Print Network [OSTI]

    Greenberg, Albert

    1 Power Allocation for Energy Harvesting Transmitter with Causal Information Zhe Wang, Vaneet powered by a renewable energy source and the energy harvesting process can practically be predicted of renewable energy is an important charac- teristic of green wireless communication systems [1]. Renew- able

  2. Green Power Partner On-site Renewable Commitments | Department of Energy

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742Energy ChinaofSchaefer To: CongestionDevelopment of aLoggingsubscriber to the Green Power

  3. Light-Powered Microbial Fuel Cell Offering Clean, Renewable Hydrogen-Based

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh SchoolIn12electron 9 5Let us count

  4. RTP Green Fuel: A Proven Path to Renewable Heat and Power

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreakingMay 2015 < prevQuick Guide: PowerFrequency | Department ofEnvergent

  5. Integrating Variable Renewable Energy in Electric Power Markers: Best Practices from International Experience

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh SchoolIn Other NewsSpin andInterim DataCooling -INTEGRATING

  6. Optimal Design of a Stand-Alone Hybrid PV/Fuel Cell Power System for the City of Brest in France

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    , energy cost, HOMER. Nomenclature HOMER = Hybrid Optimization Model for Electric Renewables; PV as a secondary source of energy [18-19]. For such king of hybrid power systems, the sources can be optimallyOptimal Design of a Stand-Alone Hybrid PV/Fuel Cell Power System for the City of Brest in France

  7. Renewal Application

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Renewal Individual Permit Renewal Application The Permit expires March 31, 2014 and existing permit conditions will be in effect until a new permit is issued. The Permittees...

  8. Modeling Framework and Validation of a Smart Grid and Demand Response System for Wind Power Integration

    SciTech Connect (OSTI)

    Broeer, Torsten; Fuller, Jason C.; Tuffner, Francis K.; Chassin, David P.; Djilali, Ned

    2014-01-31T23:59:59.000Z

    Electricity generation from wind power and other renewable energy sources is increasing, and their variability introduces new challenges to the power system. The emergence of smart grid technologies in recent years has seen a paradigm shift in redefining the electrical system of the future, in which controlled response of the demand side is used to balance fluctuations and intermittencies from the generation side. This paper presents a modeling framework for an integrated electricity system where loads become an additional resource. The agent-based model represents a smart grid power system integrating generators, transmission, distribution, loads and market. The model incorporates generator and load controllers, allowing suppliers and demanders to bid into a Real-Time Pricing (RTP) electricity market. The modeling framework is applied to represent a physical demonstration project conducted on the Olympic Peninsula, Washington, USA, and validation simulations are performed using actual dynamic data. Wind power is then introduced into the power generation mix illustrating the potential of demand response to mitigate the impact of wind power variability, primarily through thermostatically controlled loads. The results also indicate that effective implementation of Demand Response (DR) to assist integration of variable renewable energy resources requires a diversity of loads to ensure functionality of the overall system.

  9. Efficient Transmitters and Receivers for High-Power Wireless Powering Systems

    E-Print Network [OSTI]

    Popovic, Zoya

    Efficient Transmitters and Receivers for High-Power Wireless Powering Systems Zoya Popovic, Tibault of a wireless powering system is maximized when the power transmitter power-added efficiency (PAE), power system, which is valid for any type of wireless power coupling. Experimental results for high

  10. Co-Designing Sustainable Communities: The Identification and Incorporation of Social Performance Metrics in Native American Sustainable Housing and Renewable Energy System Design

    E-Print Network [OSTI]

    Shelby, Ryan

    2013-01-01T23:59:59.000Z

    Development of Sustainable and Renewable Energy Systems formodels related to sustainable, energy efficient buildingof Water and Energy Efficient Sustainable Housing with the

  11. Power electronics in electric utilities: HVDC power transmission systems

    SciTech Connect (OSTI)

    Nozari, F.; Patel, H.S.

    1988-04-01T23:59:59.000Z

    High Voltage Direct Current (HVDC) power transmission systems constitute an important application of power electronics technology. This paper reviews salient aspects of this growing industry. The paper summarizes the history of HVDC transmission and discusses the economic and technical reasons responsible for development of HVDC systems. The paper also describes terminal design and basic configurations of HVDC systems, as well as major equipments of HVDC transmission system. In this regard, the state-of-the-art technology in the equipments constructions are discussed. Finally, the paper reviews future developments in the HVDC transmission systems, including promising technologies, such as multiterminal configurations, Gate Turn-Off (GTO) devices, forced commutation converters, and new advances in control electronics.

  12. Model documentation renewable fuels module of the National Energy Modeling System

    SciTech Connect (OSTI)

    NONE

    1997-04-01T23:59:59.000Z

    This report documents the objectives, analytical approach, and design of the National Energy Modeling System (NEMS) Renewable Fuels Module (RFM) as it relates to the production of the 1997 Annual Energy Outlook forecasts. The report catalogues and describes modeling assumptions, computational methodologies, data inputs. and parameter estimation techniques. A number of offline analyses used in lieu of RFM modeling components are also described. This documentation report serves three purposes. First, it is a reference document for model analysts, model users, and the public interested in the construction and application of the RFM. Second, it meets the legal requirement of the Energy Information Administration (EIA) to provide adequate documentation in support of its models. Finally, such documentation facilitates continuity in EIA model development by providing information sufficient to perform model enhancements and data updates as part of EIA`s ongoing mission to provide analytical and forecasting information systems.

  13. Model documentation, Renewable Fuels Module of the National Energy Modeling System

    SciTech Connect (OSTI)

    NONE

    1998-01-01T23:59:59.000Z

    This report documents the objectives, analytical approach, and design of the National Energy Modeling System (NEMS) Renewable Fuels Module (RFM) as it relates to the production of the Annual Energy Outlook 1998 (AEO98) forecasts. The report catalogues and describes modeling assumptions, computational methodologies, data inputs, and parameter estimation techniques. A number of offline analyses used in lieu of RFM modeling components are also described. For AEO98, the RFM was modified in three principal ways, introducing capital cost elasticities of supply for new renewable energy technologies, modifying biomass supply curves, and revising assumptions for use of landfill gas from municipal solid waste (MSW). In addition, the RFM was modified in general to accommodate projections beyond 2015 through 2020. Two supply elasticities were introduced, the first reflecting short-term (annual) cost increases from manufacturing, siting, and installation bottlenecks incurred under conditions of rapid growth, and the second reflecting longer term natural resource, transmission and distribution upgrade, and market limitations increasing costs as more and more of the overall resource is used. Biomass supply curves were also modified, basing forest products supplies on production rather than on inventory, and expanding energy crop estimates to include states west of the Mississippi River using information developed by the Oak Ridge National Laboratory. Finally, for MSW, several assumptions for the use of landfill gas were revised and extended.

  14. Electronic power conditioning for dynamic power conversion in high-power space systems

    E-Print Network [OSTI]

    Hansen, James Michael

    1991-01-01T23:59:59.000Z

    . 55. 56. 57. Voltage and Current Waveforms for the Single-Phase PM System at Full Power ? w = v, z, z . Voltage and Current Waveforms f' or the Single-Phase PiVI System at Full Power ? ~ & cu, q, s, Compensated Voltage and Current Waveforms..., Compensated Voltage and Current Waveforms for the Single-Phase PM System at Half Power ? ~ & ~?, z, s, Compensated Voltage and Current Waveforms for the Three-Phase WF System at Full Power ? w: M, gtpd Voltage and Current Waveforms for the Three-Phase WF...

  15. Electric Power System Asset Optimization

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField Campaign:INEAWater Use Goal 4:Administration Electric Power

  16. Co-Simulation of Detailed Whole Building with the Power System to Study Smart Grid Applications

    SciTech Connect (OSTI)

    Makhmalbaf, Atefe; Fuller, Jason C.; Srivastava, Viraj; Ciraci, Selim; Daily, Jeffrey A.

    2014-12-24T23:59:59.000Z

    Modernization of the power system in a way that ensures a sustainable energy system is arguably one of the most pressing concerns of our time. Buildings are important components in the power system. First, they are the main consumers of electricity and secondly, they do not have constant energy demand. Conventionally, electricity has been difficult to store and should be consumed as it is generated. Therefore, maintaining the demand and supply is critical in the power system. However, to reduce the complexity of power models, buildings (i.e., end-use loads) are traditionally modeled and represented as aggregated “dumb” nodes in the power system. This means we lack effective detailed whole building energy models that can support requirements and emerging technologies of the smart power grid. To gain greater insight into the relationship between building energy demand and power system performance, it is important to constitute a co-simulation framework to support detailed building energy modeling and simulation within the power system to study capabilities promised by the modern power grid. This paper discusses ongoing work at Pacific Northwest National Laboratory and presents underlying tools and framework needed to enable co-simulation of building, building energy systems and their control in the power system to study applications such as demand response, grid-based HVAC control, and deployment of buildings for ancillary services. The optimal goal is to develop an integrated modeling and simulation platform that is flexible, reusable, and scalable. Results of this work will contribute to future building and power system studies, especially those related to the integrated ‘smart grid’. Results are also expected to advance power resiliency and local (micro) scale grid studies where several building and renewable energy systems transact energy directly. This paper also reviews some applications that can be supported and studied using the framework introduced to understand their implications before they can be successfully implemented in the power system.

  17. Multi-Megawatt Power System Trade Study

    SciTech Connect (OSTI)

    Longhurst, Glen Reed; Schnitzler, Bruce Gordon; Parks, Benjamin Travis

    2001-11-01T23:59:59.000Z

    As part of a larger task, the Idaho National Engineering and Environmental Laboratory (INEEL) was tasked to perform a trade study comparing liquid-metal cooled reactors having Rankine power conversion systems with gas-cooled reactors having Brayton power conversion systems. This report summarizes the approach, the methodology, and the results of that trade study. Findings suggest that either approach has the possibility to approach the target specific mass of 3-5 kg/kWe for the power system, though it appears either will require improvements to achieve that. Higher reactor temperatures have the most potential for reducing the specific mass of gas-cooled reactors but do not necessarily have a similar effect for liquid-cooled Rankine systems. Fuels development will be the key to higher reactor operating temperatures. Higher temperature turbines will be important for Brayton systems. Both replacing lithium coolant in the primary circuit with gallium and replacing potassium with sodium in the power loop for liquid systems increase system specific mass. Changing the feed pump turbine to an electric motor in Rankine systems has little effect. Key technologies in reducing specific mass are high reactor and radiator operating temperatures, low radiator areal density, and low turbine/generator system masses. Turbine/generator mass tends to dominate overall power system mass for Rankine systems. Radiator mass was dominant for Brayton systems.

  18. Northwest Energy Coalition Renewable Northwest Project Natural Resources Defense Council

    E-Print Network [OSTI]

    Northwest Energy Coalition Renewable Northwest Project Natural Resources Defense Council December 9 Coalition [Nancy Hirsh] Renewable Northwest Project[Rachel Shimshak] Natural Resources Defense Council Power Administration in Power Supply The Northwest Energy Coalition, Renewable Northwest Project, Sierra

  19. PSCAD/EMTDC-Based Modeling and Analysis of a Microgrid with Renewable Energy Sources

    E-Print Network [OSTI]

    Chu, Zhengguo

    2010-07-14T23:59:59.000Z

    . The proposed microgrid system includes fundamental power system component models, two renewable energy source models (wind and solar) and one energy storage source model. Different case studies were conducted. The results from the simulation case studies...

  20. PSCAD/EMTDC-Based Modeling and Analysis of a Microgrid with Renewable Energy Sources 

    E-Print Network [OSTI]

    Chu, Zhengguo

    2010-07-14T23:59:59.000Z

    . The proposed microgrid system includes fundamental power system component models, two renewable energy source models (wind and solar) and one energy storage source model. Different case studies were conducted. The results from the simulation case studies...