OverviewHistoryFuture potentialGenerating methodsSizes, types and capacities of hydroelectric facilitiesPropertiesHydro power by countryEconomics
Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world''s electricity, almost 4,500 TWh in 2020, which is more than all other renewable sources combined and also more than nuclear power. Hydropower can provide large amounts of low-carbon electricity on demand, making it a key element for creating secure and