Department of Energy


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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.

The basics of how hydropower works.
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Wave and Tidal Energy
Learn about wave and tidal energy technologies.
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How Hydropower Works
How does water power energy work? Water turbine
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Top 10 Things You Didn't Know about Hydropower

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

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Hydropower Vision: A New Chapter for America’s 1st Renewable Electricity Source
Hydropower Vision is a first-of-its-kind comprehensive analysis to evaluate future pathways for low-carbon, renewable hydropower in the United States.
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Benefits of Hydropower
There are many advantages to hydropower than conventional methods of generating electricity, from being a renewable, sustainable resource, to being...
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History of Hydropower
Humans have been harnessing water to perform work for thousands of years. The Greeks used water wheels for grinding wheat into flour more than 2,00...
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