Hydropower
Hydropower is energy in moving water People have a long history of using the force of water flowing in streams and rivers to produce mechanical energy. Hydropower was one of the first sources of energy used for electricity generation and and until 2019, hydropower was the largest source of total annual U.S. renewable electricity generation.
In 2019, hydroelectricity accounted for about 6.6% of total U.S. utility-scale1 electricity generation and 38% of total utility-scale renewable electricity generation. Hydroelectricity’s share of total U.S. electricity generation has decreased over time, mainly because of increases in electricity generation from other sources.
Driven by the water cycle.
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