50.6 MB (2.7 MB compressed)
3430 x 5154 pixels
29.0 x 43.7 cm ⏐ 11.4 x 17.2 in (300dpi)
DAVID NUNUK / SCIENCE PHOTO LIBRARY DAVID NUNUK / SCIENCE PHOTO LIBRARY
Concentrating solar power plant. Heliostat (mirrors with sun-tracking motion) array and receiver (bright) tower at a concentrating solar power (CSP) plant. CSP plants use heliostats to reflect sunlight and concentrate it on to a central receiver mounted at the top of a tower. The concentrated solar energy is then used to produce electrical power. Here it boils water in the receiver to produce steam, which is piped to a steam turbine generator to convert the energy to electricity. The steam from the turbine is then condensed and pressurized back into the receiver. Photographed at the Sierra Sun Tower, Lancaster, California, USA.
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