304 articles
Pueblo Viejo hydroelectric plant
The Pueblo Viejo hydroelectric plant, commonly known as the Chixoy Dam, is a 300 MW hydroelectric facility on the Chixoy River in Guatemala, built from 1977 to 1983.
Pump as turbine
A pump as turbine (PAT) is a standard hydraulic pump operated in reverse so pressurized water drives the impeller, turning the motor into a generator for micro-hydropower.
Pumped-storage hydroelectricity
Pumped-storage hydroelectricity (PSH), also known as pumped hydro storage, is a form of hydroelectric energy storage that pumps water uphill and releases it through turbines to generate power.
Punatsangchhu II hydroelectric plant
Punatsangchhu-II Hydroelectric Project is a 1,020 MW run-of-the-river plant on the Punatsangchhu river in western Bhutan, funded jointly by Bhutan and India and inaugurated in November 2025.
Pushihe hydroelectric plant
The Pushihe hydroelectric plant (蒲石河抽水蓄能电站) is a 1,200 MW pumped-storage station in Kuandian County, Liaoning, China, the first large pumped-storage plant in Northeast China, fully operational by September 2012.
Pyotr S. Neporozhny
Pyotr S. Neporozhny, also known as Pyotr Stepanovich Neporozhny, was a Soviet power engineer who led the Ministry of Power and Electrification from 1962 to 1985.
Qinghai Huanghe Hydropower Development
Qinghai Huanghe Hydropower Development is the cascade of hydropower stations on the upper Yellow River in Qinghai, China, including Longyangxia and the 4.2 GW Laxiwa station.
Qingyuan hydroelectric plant
Qingyuan hydroelectric plant, or Qingyuan Pumped Storage Power Station (清远抽水蓄能电站), is a 1,280 MW pumped-storage station near Guangzhou, Guangdong, China, and the first built solely by China Southern Power Grid.
Raccoon Mountain Pumped-Storage Plant
The Raccoon Mountain Pumped-Storage Plant is a pumped-storage hydroelectric facility operated by the Tennessee Valley Authority inside Raccoon Mountain near Chattanooga, Tennessee, and TVA's largest.
Revelstoke hydroelectric plant
The Revelstoke hydroelectric plant, also known as Revelstoke Dam and Generating Station, is a 2,480 MW BC Hydro station on the Columbia River in British Columbia.
Robert H Saunders hydroelectric plant
The Robert H. Saunders hydroelectric plant is a 1,045-megawatt hydroelectric station at Cornwall, Ontario, owned by Ontario Power Generation and generating baseload power since 1958.
Robert Moses Niagara hydroelectric plant
The Robert Moses Niagara hydroelectric plant is a 13-turbine generating station at Lewiston, New York, opened in 1961 as the largest hydropower facility in the Western world.
Robert-Bourassa Generating Station
The Robert-Bourassa Generating Station, known until 1996 as La Grande-2, is a hydroelectric plant on Québec's La Grande River with 5,616 MW of capacity, the largest power station in Canada.
Rock Island Dam
Rock Island Dam is a run-of-river hydroelectric dam on the Columbia River near Wenatchee, Washington, completed in 1932 as the first dam to span the Columbia River.
Run-of-the-river hydroelectricity
Run-of-the-river hydroelectricity is electricity generated by channeling part of a river's flow through a penstock and using its natural elevation decline, without significant water storage; output follows the river's seasonal flow.
Salto Grande Dam
Salto Grande Dam is a hydroelectric dam on the Uruguay River, owned and operated equally by Argentina and Uruguay, with an installed capacity of 1,890 MW.
Salto Santiago hydroelectric plant
Salto Santiago hydroelectric plant (Usina Hidrelétrica Salto Santiago) is a 1,420 MW dam on the middle Iguaçu River in Paraná, Brazil, opened in 1980 and operated by Engie Brasil.
San Carlos hydroelectric plant
The San Carlos hydroelectric plant (Central Hidroeléctrica San Carlos) is a 1,240 MW hydroelectric plant in Antioquia, Colombia, owned by ISAGEN and described as the country's largest power plant.
Santiago Antúnez De Mayolo hydroelectric plant
The Santiago Antúnez de Mayolo hydroelectric plant (Central Hidroeléctrica Santiago Antúnez de Mayolo) is a 798 MW power station on the Mantaro River in Huancavelica, Peru.
Santo Antônio hydroelectric plant (Rondônia)
Santo Antônio hydroelectric plant (Portuguese: Usina Hidrelétrica Santo Antônio) is a run-of-river power station on the Madeira River in Rondônia, Brazil, with 3,568.3 MW across 50 bulb turbines, completed in 2017.
São Simão hydroelectric plant
The São Simão hydroelectric plant (UHE São Simão) is a 1,710 MW dam on the Paranaíba River between Minas Gerais and Goiás, Brazil, built by CEMIG from 1973 to 1978.
Saratovskaya hydroelectric plant
The Saratovskaya hydroelectric plant (Саратовская ГЭС, Saratov HPP) is a run-of-river hydroelectric station on the Volga River at Balakovo, Russia, with an installed capacity of 1,487 MW.
Sayano-Shushenskaya Dam
The Sayano-Shushenskaya Dam (Саяно-Шушенская ГЭС) is a 242 m concrete arch-gravity dam on the Yenisei River in Khakassia, Russia, holding the largest hydroelectric plant in Russia.
Serra da Mesa hydroelectric plant
The Serra da Mesa hydroelectric plant (Usina Hidrelétrica de Serra da Mesa) is a 1,275 MW station on the Tocantins River in Goiás, Brazil, operating since 1998.
Settling basin
A settling basin, also called a desilting basin or desander, is a widened, deepened section of a water channel where slowed flow lets sediment settle before turbines.
Sharavathy hydroelectric plant
The Sharavathy hydroelectric plant is a 1,035 MW generating station on the Sharavathi River in Karnataka, India, built around the Linganamakki dam completed in 1964 and one of India's oldest hydroelectric projects.
Shatuo hydroelectric plant
The Shatuo hydroelectric plant is a 1,120 MW run-of-river station on the Wujiang River in Yanhe County, Guizhou, China, completed in 2013 as the last of nine cascade projects.
Shenzhen hydroelectric plant
The Shenzhen hydroelectric plant (深圳抽水蓄能电站) is a 1,200 MW pumped-storage hydropower station in Shenzhen, Guangdong, China, the first large such station built inside a major Chinese city center.
Shipshaw hydroelectric plant
The Shipshaw hydroelectric plant (centrale de Shipshaw) is a run-of-river generating station on the Saguenay River in Saguenay, Quebec, owned by Rio Tinto Alcan and rated at 1,145 MW.
Shuibuya hydroelectric plant
Shuibuya hydroelectric plant (清江水布垭水电站) is a 1,840 MW hydroelectric plant on the Qingjiang River in Badong County, Hubei, China, whose 233 m concrete-faced rockfill dam is the world's tallest of its type.