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Solar EnergyResources with Additional Information ![]() Courtesy of National Renewable Energy Laboratory Credit–Robb Williamson The Department of Energy has played a major role in solar energy development through previous research and ongoing activities. As a result of research and development, the "cost of solar energy has been reduced 100-fold over the past two decades." 1 Concentrating Solar Power (CSP) systems use reflective materials that concentrate the sun's heat energy to drive a generator that produces electricity. [Photovoltaic] (PV) systems use semiconductor materials that convert sunlight directly to electricity. Solar collectors absorb the sun's energy to provide low- temperature heat used directly for hot water or space heating for residential or commercial buildings. Parabolic collectors focus sunlight into a fiber optic system to illuminate building interiors with sunlight. Top Resources with Additional InformationAdditional information about Solar Energy is available in full‑text and on the Web. Documents:Solar Energy: Its Technologies and Applications, DOE Technical Report, June 1978 Solar Energy and Your Home: Questions and Answers, DOE Technical Report, January 1984 Solar Air Collectors: How Much Can You Save?, DOE Technical Report, April 1985 Building Design Guidelines for Solar Energy Technologies, DOE Technical Report, January 1989 OUT Success Stories: Solar Roofing Shingles, DOE Technical Report, August 2000 OUT Success Stories: Solar Hot Water Technology, DOE Technical Report, August 2000 OUT Success Stories: Solar Trough Power Plants, DOE Technical Report, August 2000 Get Your Power from the Sun, DOE Technical Report, December 2003 Additional Web Pages:Solar Energy Educational Material Solar Energy Basics, National Renewable Energy Laboratory (NREL) Solar Arrays Power the Hubble Space Telescope Some links on this page may take you to non-federal websites. Their policies may differ from this site.
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