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Tethys Engineering Logo: Technical Aspects of Marine Renewable Energy

For an overview of Tethys Engineering's content and features, check out the new Tethys Engineering Fact Sheet!

The Tethys Engineering Photo Library contains hundreds of photos of marine energy devices, contributed by developers around the world for free, third-party use. 

Subscribe to the Tethys Engineering Blast, an online newsletter that highlights new publications, opportunities, events, and news!

Tethys Engineering is working with PRIMRE (Portal and Repository for Information on Marine Renewable Energy) to share content between marine energy databases.

Interested in understanding the environmental effects of marine and wind energy? Check out the Tethys database!

New User

If you are new to Tethys, start here to learn more

Knowledge Base

Access thousands of publications and more, all in a searchable database

Tethys Engineering

Tethys Engineering is a knowledge base that collects, curates, and makes publicly available documents on engineering and technologies associated with marine renewable energy. Sponsored by the US Department of Energy, Tethys Engineering is part of the PRIMRE system, and is designed after the Tethys Knowledge Base.

Current
Current
Current

Power from tidal, ocean current, and river flows
Ocean Thermal Energy Conversion (OTEC)
OTEC
OTEC

Ocean Thermal Energy Conversion
Wave
Wave
Wave

Power from waves at sea
Salinity
Salinity
Salinity

Power from differences in salt concentration
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U.S. Department of Energy Portal and Repository for Information on Marine Renewable Energy (PRIMRE) logo