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Hydropower Basics

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Hydropower technologies generate power by using a dam or diversion structure to alter the natural flow of a river or other body of water. The Department of Energy's "Hydropower 101" video explains how hydropower works and highlights some of the Water Power Program's efforts in R&D in this area (to see how  a hydroelectric system works, see our How Hydropower Works page):

Learn the basics about hydropower (also called hydroelectric power):