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Pumped-storage hydroelectricity (PSH), or pumped hydroelectric energy storage (PHES), is a type of hydroelectric energy storage used by electric power systems for load balancing. A PSH system stores energy in the form of gravitational potential energy of water, pumped from a lower elevation reservoir to a higher elevation. Low-cost surplus off ...
The following page lists all pumped-storage hydroelectric power stations that are larger than 1,000 MW in installed generating capacity, which are currently operational or under construction. Those power stations that are smaller than 1,000 MW , and those that are decommissioned or only at a planning/proposal stage may be found in regional ...
They are Wudongde Dam, Baihetan Dam, Xiluodu Dam, and Xiangjiaba Dam, with generating capacity of 10,200 MW, 16,000 MW, 13,860 MW, and 7,798 MW respectively. Phase two includes eight dams on the middle stream of the Jinsha River. The total generating capacity is 21,150 MW. Phase three includes eight dams on the upper stream of the Jinsha River.
Hoover Dam's initial 1,345 MW power station was the world's largest hydroelectric power station in 1936; it was eclipsed by the 6,809 MW Grand Coulee Dam in 1942. [20] The Itaipu Dam opened in 1984 in South America as the largest, producing 14 GW , but was surpassed in 2008 by the Three Gorges Dam in China at 22.5 GW .
Construction on the power station, with an original capacity of 2,100 megawatts (2,800,000 hp), began in March 1977 and was completed in December 1985 at a cost of $1.6 billion, [6] [7] Voith-Siemens upgraded the six turbines between 2004 and 2009, increasing power generation to 500.5 MW and pumping power to 480 megawatts (640,000 hp) for each ...
The following are lists of hydroelectric power stations based on the four methods of hydroelectric generation: List of conventional hydroelectric power stations, hydroelectric generation through conventional dams; List of pumped-storage hydroelectric power stations, hydroelectric generation through pumped-storage
All 7 dams are the largest power-generating bodies respectively, before the Jebel Ali Power Plant at 8,695 MW, the largest non-renewable energy-generating facility in the world. The currently planned Grand Inga Dam would be nearly twice the size of the Three Gorges Dam at 39,000 MW , surpassing all power-generating facilities once it passes the ...
Hydropower (from Ancient Greek ὑδρο-, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [ 1 ]