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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.
The Ludington Pumped Storage Plant is a hydroelectric plant and reservoir in Ludington, Michigan. It was built between 1969 and 1973 at a cost of $315 million and is owned jointly by Consumers Energy and DTE Energy and operated by Consumers Energy. At the time of its construction, it was the largest pumped storage hydroelectric facility in the ...
Previous pumped-storage systems used separate pumps with a network of pipes to return water to the upper reservoir, making them more expensive to build than conventional hydroelectric systems. [9] Cruachan is pre-dated by the smaller 232 megawatts (311,000 hp) Lünerseewerk ( de ) (Austria, 1958) and the 360 megawatts (480,000 hp) Ffestiniog ...
The Helms Pumped Storage Plant is located 50 mi (80 km) east of Fresno, California in the Sierra Nevada Mountain Range's Sierra National Forest. It is a power station that uses Helms Creek canyon on the North Fork of the Kings River for off-river water storage [1] and the pumped-storage hydroelectric method to generate electricity. After being ...
The water is sent back into the reservoir, flows over the dam that holds the reservoir back, and continues down the rest of the Schoharie Creek. The powerhouse, built in 1973, contained four Hitachi 260 megawatts (350,000 hp) pump/turbine units. The gross head range on the units is 1,066 to 1,142 feet (325 to 348 m).
The Dinorwig Power Station (/ d ɪ ˈ n ɔːr w ɪ ɡ /; Welsh: [dɪˈnɔrwɪɡ]), known locally as Electric Mountain, or Mynydd Gwefru, is a pumped-storage hydroelectric scheme, near Dinorwig, Llanberis in Snowdonia national park in Gwynedd, north Wales. The scheme can supply a maximum power of 1,728 MW (2,317,000 hp) and has a storage ...
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