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U.S. Department of Energy Energy Efficiency and Renewable Energy

The Water Power Program researches, tests, evaluates, and develops innovative technologies capable of generating renewable, environmentally responsible, and cost-effective electricity from water resources. This includes hydropower as well as marine & hydrokinetic energy technologies.

Photo of several people in hard hats and a turbine-powered engine as shown on the TV show 'Wake Up With Al', and the title 'Tapping into the Power Beneath the Sea: Science Behind the Waves.'

Turning Ocean Waves Into Electricity for Your Home

Take a look at how ocean power technologies and other companies are trying to bring this emerging green energy to market.

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Ocean Renewable Power Company deploying the First U.S. Commercial, Grid-Connected Tidal Energy Project.

Maine Deploys First U.S. Commercial, Grid-Connected Tidal Energy Project

Energy Secretary Steven Chu recognized the nation's first commercial, grid-connected tidal energy project off the coast of Eastport, Maine on July 24.

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This map demonstrates the potential capacity to generate clean hydroelectric energy at existing non-powered dams across the U.S.

Powering up America's Waterways

The Energy Department releases a reportPDF analyzing the potential to generate clean hydroelectric energy at existing dams across the United States.

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    Water Power for a Clean Energy Future

    This document describes some of the accomplishments of the Department of Energy Water Power Program, and how those accomplishments are supporting the advancement of renewable energy generated using...  Details