304 articles
Votkinsk Hydroelectric Station
The Votkinsk Hydroelectric Station (Воткинская ГЭС) is a RusHydro-run hydroelectric plant on the Kama River near Chaykovsky, Perm Krai, Russia, with ten Kaplan units totaling 1,135 MW.
Water and Power Development Authority (Pakistan)
The Water and Power Development Authority (WAPDA) is a Pakistani state-owned statutory body, established by act of parliament in 1958 and headquartered in Lahore, responsible for water resources and hydropower.
Water wheel
A water wheel, also known as a mill wheel, converts the energy of flowing or falling water into rotary power and was the chief source of mill power for over 2,000 years.
Watermill
A watermill is a structure that uses a water wheel or turbine to convert flowing or falling water into power for machinery, most classically grinding grain.
Wendeng hydroelectric plant
The Wendeng hydroelectric plant (山东文登抽水蓄能电站) is an 1,800 MW pumped storage power station in Weihai, Shandong, China, the largest in the province, fully operational since 2023.
Wicket gate
A wicket gate is an adjustable guide vane arranged in a ring around a reaction hydraulic turbine, controlling water flow and swirl entering the runner.
Wudongde hydroelectric plant
Wudongde hydroelectric plant (乌东德水电站) is a 10.2 GW hydropower station on the lower Jinsha River, upper Yangtze, on the Sichuan-Yunnan border, the world's seventh largest and fully operational since June 2021.
Wujiangdu hydroelectric plant
Wujiangdu hydroelectric plant (乌江渡水电站) is a large hydropower station on the main stream of the Wu River in Guizhou Province, China, the first built on the river and completed in 1982.
Wuqiangxi hydroelectric plant
Wuqiangxi hydroelectric plant (五强溪水电站) is a large dam and run-of-river hydroelectric station on the Yuan River in Yuanling County, Hunan, China, expanded from 1,200 to 1,700 MW in 2023.
Xiamen hydroelectric plant
The Xiamen hydroelectric plant, formally the Xiamen Pumped Storage Power Station, is a 1,400 MW pumped-storage hydroelectric station under construction in Tong'an District, Xiamen, Fujian Province, China.
Xiangjiaba hydroelectric plant
Xiangjiaba hydroelectric plant (向家坝水电站) is a 6,400 MW hydropower station on the lower Jinsha River, the upper Yangtze, in southwestern China, fully in service in 2014 and China's fifth largest.
Xianju hydroelectric plant
The Xianju hydroelectric plant, formally the Xianju Pumped Storage Power Station, is a 1,500 MW pumped-storage station in Xianju County, Zhejiang, China, fully operational since 2016.
Xianyou hydroelectric plant
The Xianyou hydroelectric plant is a 1,200 MW pumped-storage station in Xianyou County, Putian, Fujian, China, the province's first, with four domestically built 300 MW units completed in 2013.
Xiaowan hydroelectric plant
The Xiaowan hydroelectric plant (小湾电站) is a 4,200 MW hydroelectric plant on the upper Mekong in Yunnan, China, with a 294.5 m arch dam completed in 2010.
Xilongchi hydroelectric plant
The Xilongchi hydroelectric plant, formally the Xilongchi Pumped Storage Power Station (西龙池抽水蓄能电站), is a 1,200 MW pumped storage station in Wutai County, Shanxi, first in the province and fully in service in 2009.
Xiluodu hydroelectric plant
Xiluodu hydroelectric plant (溪洛渡水电站) is a large hydropower station on the Jinsha River, upper Yangtze, on the Sichuan–Yunnan border, ranked third in the world after Three Gorges and Itaipu.
Xingó hydroelectric plant
The Xingó hydroelectric plant (Usina Hidrelétrica de Xingó) is a 3,162 MW run-of-river hydroelectric power station on the São Francisco River, on the border of Alagoas and Sergipe, Brazil.
Yacyretá hydroelectric plant
Yacyretá is a binational hydroelectric dam and power station on the upper Paraná River, built and operated jointly by Argentina and Paraguay with 3,200 MW of installed capacity.
Yalong River
The Yalong River (雅砻江) is a large tributary of the Yangtze that rises in Qinghai, flows through western Sichuan, and hosts a planned 21-dam hydropower cascade totaling 22,650 MW.
Yalong River Hydropower Development Co., Ltd.
Yalong River Hydropower Development Co., Ltd. (雅砻江流域水电开发有限公司) is a state-owned Chinese company, founded in 1989, holding sole responsibility for hydropower development on the Yalong River in Sichuan.
Yangfanggou hydroelectric plant
The Yangfanggou hydroelectric plant (杨房沟水电站) is a 1,500 MW hydropower station on the middle Yalong River in Sichuan, China, with all four units in commercial operation since October 2021.
Yangjiang hydroelectric plant
The Yangjiang hydroelectric plant, formally the Yangjiang Pumped Storage Power Station (阳江抽水蓄能电站), is a 1,200 MW pumped-storage station in Yangjiang, Guangdong, China, serving the neighboring nuclear plant.
Yantan hydroelectric plant
The Yantan hydroelectric plant (红水河岩滩水电站) is a 1,810 MW hydroelectric plant on the Hongshui River in Dahua County, Guangxi, China, with its first unit generating power in 1992.
Yarlung Tsangpo lower reaches hydropower project
The Yarlung Tsangpo lower reaches hydropower project is a five-station cascade under construction in Tibet, begun in 2025 and designed to generate three times the Three Gorges Dam's electricity.
Yimeng hydroelectric plant
The Yimeng hydroelectric plant (山东沂蒙抽水蓄能电站) is a 1,200 MW pumped-storage power station in Fei County, Linyi, Shandong, China, owned by State Grid Xinyuan and fully commissioned in March 2022.
Yingliangbao hydroelectric plant
Yingliangbao hydroelectric plant (硬梁包水电站) is a large 1,116 MW hydroelectric station on the Dadu River in Luding County, Sichuan, China, developed by Huaneng and fully operational since 2025.
Yongtai hydroelectric plant
The Yongtai hydroelectric plant, formally the Yongtai Pumped Storage Power Station (永泰抽水蓄能电站), is a 1,200 MW pumped storage station in Yongtai County, Fuzhou, Fujian, China, reaching full capacity in March 2023.
Yuan'an Pumped Storage Power Station
The Yuan'an Pumped Storage Power Station is a 1,200 MW pumped-storage hydroelectric station under construction in Hualinsi Town, Yuan'an County, Yichang, Hubei, China, approved in 2022 at a cost of 8.199 billion yuan.
Zagorsk-1 hydroelectric plant
Zagorsk-1 is a pumped-storage hydroelectric plant near Sergiev Posad in Moscow Oblast, Russia, the first and largest in the country, generating 1,200 MW for the Central power system.
Zeya hydroelectric plant
The Zeya hydroelectric plant (Zeyskaya HPP) is a 1,330 MW hydroelectric station on the Zeya River in Amur Oblast, Russia, the first large hydro plant of the Soviet Far East.