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  2. Ecotech Institute - Wikipedia

    en.wikipedia.org/wiki/Ecotech_Institute

    Ecotech Institute's campus has Leadership in Energy and Environmental Design (LEED) gold certification from the U.S. Green Building Council. [1] The facility features solar panels and wind turbines on its roof, as well as solar trees on the grounds, energy-saving zero-client computing technology [2] and occupancy-sensitive lighting. [3]

  3. Concentrator photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Concentrator_photovoltaics

    In 2022, researchers at Fraunhofer Institute for Solar Energy Systems ISE in Freiburg, Germany, demonstrated a four-junction concentrator solar cell with an efficiency of 47.6% under 665-fold sunlight concentration. [31] [32] The theoretical limiting efficiency under concentration approaches 65% for 5 junctions, which is a likely practical ...

  4. Reflective surfaces (climate engineering) - Wikipedia

    en.wikipedia.org/wiki/Reflective_surfaces...

    The albedo of several types of roofs (lower values means higher temperatures). Reflective surfaces, or ground-based albedo modification (GBAM), is a solar radiation management method of enhancing Earth's albedo (the ability to reflect the visible, infrared, and ultraviolet wavelengths of the Sun, reducing heat transfer to the surface).

  5. Solar energy - Wikipedia

    en.wikipedia.org/wiki/Solar_energy

    Solar energy is the radiant energy from the Sun's light and heat, which can be harnessed using a range of technologies such as solar electricity, solar thermal energy (including solar water heating) and solar architecture.

  6. Photovoltaic thermal hybrid solar collector - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_thermal...

    That is to say, the maximum operating temperatures for most PVT system are limited to less than the maximum cell temperature (typically below 100 °C). Nevertheless, two or more units of heat energy are still generated for each unit of electrical energy, depending on cell efficiency and system design.

  7. National Renewable Energy Laboratory - Wikipedia

    en.wikipedia.org/wiki/National_Renewable_Energy...

    A month later, the Solar Energy Research, Development and Demonstration Act of 1974 was signed. Section 10 of the bill explicitly outlined the establishment of the Solar Energy Research Institute, [5] which opened in 1977 and was operated by Midwest Research Institute. [6] [7] Paul Rappaport was the founding director. It is the first time a ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. SunShot Initiative - Wikipedia

    en.wikipedia.org/wiki/SunShot_Initiative

    The United States Department of Energy (DOE) announced its sponsorship of the SunShot Initiative in 2011 and was established as a way to; increase utility of, photovoltaic goods and services in the United States by decreasing its original costs [2] in order to: (1)enable the competitiveness of the Solar Powered energy market, and supply chain comparatively to other energy sources, (2) increase ...

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