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pumped-storage power station

File:Raccoon_Mountain_Pumped-Storage_Plant.svg · Wikimedia Commons · See Wikimedia Commons

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pumped-storage power station

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Also known as pumped-storage hydroelectric power station, pumped-storage hydroelectric power plant, pumped-storage power plant, pumped-storage facility, pumped-storage plant, pumped hydroelectric energy storage, PSH, PHS

hydroelectric energy storage station using two water reservoirs connected with a pump and a turbine

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OpenStreetMap tag
power=plant
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Pumped-storage hydroelectric power plants
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Encyclopedic overview

Ludington Pumped Storage Power Plant in Michigan on Lake Michigan

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-peak electric power is typically used to run the pumps. During periods of high electrical demand, the stored water is released through turbines to produce electric power.

Excerpted from Wikipedia’s “pumped-storage power station” article, available under the CC BY-SA 4.0 licence.

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