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America has vast wave, tidal and hydropower resources -- but much of this energy remains untapped. The Energy Department is committed to driving critical research and development efforts to expand electricity generation from these clean energy resources.

This includes investments in existing hydropower facilities to equip them with the necessary infrastructure to produce electricity and leading marine and hydrokinetic technology advancements to generate energy from waves, currents and tides.


Top 10 Things You Didn't Know about Hydropower

Test your energy knowledge by checking out these surprising facts about hydropower.

Benefits of Hydropower

There are many advantages to hydropower than conventional methods of generating electricity, from being a renewable, sustainable resource, to being a reliable back-up source of energy when there are disruptions to electricity.

From Flour to Grits, a Water-Powered Mill Keeps on Grinding

A mill owned and operated for six generations by the Weisenberger family has been grinding grains in the heart of Kentucky since the Civil War. In 1862, August Weisenberger emigrated from Baden, Germany, to start milling grains in Midway, Kentucky.