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The U.S. Department of Energy (DOE) has invested about $16 million in 17 projects to help efficiently capture energy from waves, tides and currents. Together, the DOE says these projects will increase the power production and reliability of wave and tidal devices and help gather valuable data on how deployed devices interact with the surrounding environment.

"Wave and tidal energy represent a large, untapped resource for the United States, and responsible development of this clean, renewable energy source is an important part of our all-of-the-above energy strategy," says Assistant Secretary for Energy Efficiency and Renewable Energy David Danielson.

Tidal and wave energy is a renewable resource that can be harnessed wherever changing tides, waves or currents move a significant volume of water - including off the coasts of many U.S. cities where there is high electricity demand, says the DOE. The department’s latest nationwide wave and tidal energy resource assessments identify up to 1,400 TWh of potential generation per year.

About $13.5 million will be invested in eight projects to help U.S. companies build wave and tidal devices that reduce overall costs and maximize the amount of energy captured. The projects will develop new drivetrain, generator and structural components, as well as software that predicts ocean conditions and adjusts device settings accordingly to optimize power production.

For example, the DOE says ABB will develop a generator that is half the size of a traditional generator, while Ocean Energy USA will develop and test a hull design for a floating wave device.

Approximately $2.4 million will be given to nine projects that will gather and analyze environmental data from wave and tidal projects, as well as from potential development areas. The DOE says these projects will help ensure that potential environmental impacts are addressed proactively and that projects can be developed efficiently and responsibly.

A full list of the 17 projects is available here.



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