MHK Technologies/Tidal Defense and Energy System TIDES

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Tidal Defense and Energy System TIDES.jpg

Technology Profile
Primary Organization Oceana Energy Company
Project(s) where this technology is utilized MHK Projects/Astoria Tidal Energy
MHK Projects/Cape Islands Tidal Energy Project
MHK Projects/Central Cook Inlet Tidal Energy Project
MHK Projects/Icy Passage Tidal Energy Project
MHK Projects/Kachemak Bay Tidal Energy Project
MHK Projects/Kendall Head Tidal Energy
MHK Projects/Kennebec
MHK Projects/Penobscot Tidal Energy Project
MHK Projects/Portsmouth Area Tidal Energy Project
MHK Projects/Wrangell Narrows Tidal Energy Project
Technology Resource
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Current/Tidal
Technology Type
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Axial Flow Turbine
Technology Readiness Level
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TRL 5/6: System Integration and Technology Laboratory Demonstration
Technology Description The Tidal Defense and Energy System (TIDES) power generation platform includes a horizontal axis turbine. The TIDES device has a free-scaling range of motion and can manipulate the size and shape of its hydro blades to vary the ratio of freely flowing water-to-water contact over its blade surfaces. In 2006, Oceana entered into a Cooperative Research & Development Agreement (CRADA) with the U.S. Navy to utilize its Naval Surface Warfare Center, Carderock Division’s engineering facilities and expertise to develop and test TIDES.



Mooring Configuration Gravity base 3 point stack or catamaran


Technology Dimensions
Device Testing
Date Submitted 10/8/2010

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