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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; ... Schematic diagram of Hydroelectric power plant
Hydroelectric power stations continued to become larger throughout the 20th century. Hydropower was referred to as "white coal". [19] 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]
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.
The size of hydroelectric plants can vary from small plants called micro hydro, to large plants that supply power to a whole country. As of 2019, the five largest power stations in the world are conventional hydroelectric power stations with dams. [21]
The Chippawa-Queenston Power Canal in 1921; it was the first of three sources to provide water to the Generating Stations Adam Beck II contains 16 generators and first produced power in 1954. The water was first diverted from the Niagara River by two five-mile (8 km) tunnels under the city of Niagara Falls, Ontario, that start above the falls ...
Just months later the first investor-owned electric utility, Edison Illuminating Company, completed the first fossil fueled electrical power plant in New York City, to compete with hydroelectric power close to an area of high demand. By 1886, between 40 and 50 hydroelectric stations were operating in the United States and in Canada.
Those power stations that are smaller than 1,000 MW, or those that are only at a planning/proposal stage may be found in regional lists, listed at the end of the page. The largest hydroelectric power station is the Three Gorges Dam in China, rated at 22,500 MW in total installed capacity.
Another proposal, Penzhin Tidal Power Plant, presumes an installed capacity up to 87,100 MW. The largest hydroelectric power stations top the list of the largest power stations of any kind, are among the largest hydraulic structures and are some of the largest artificial structures in the world.