Concentrated solar power
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Concentrated solar power systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight into a receiver. Electricity is generated when the concentrated light is converted to heat, which drives a heat engine connected to an electrical power generator or powers a thermochemical reaction.
A solar power tower at Crescent Dunes Solar Energy Project concentrating light via 10,000 mirrored heliostats spanning thirteen million sq ft (1.21 km2).
The three towers of the Ivanpah Solar Power Facility
Part of the 354 MW SEGS solar complex in northern San Bernardino County, California
Bird's eye view of Khi Solar One, South Africa
Electricity generation
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Electricity generation is the process of generating electric power from sources of primary energy. For utilities in the electric power industry, it is the stage prior to its delivery to end users or its storage, using for example, the pumped-storage method.
A turbo generator
Dynamos and engine installed at Edison General Electric Company, New York, 1895
Wind turbines usually provide electrical generation in conjunction with other methods of producing power.
Large dams, such as Hoover Dam in the United States, can provide large amounts of hydroelectric power. It has an installed capacity of 2.07 GW.