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PRIMRE/Databases/Projects Database/Devices/Seapower
From Open Energy Information
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Seapower
The Seapower Platform can extract energy from ocean waves efficiently, safely, with low maintenance, and maximum economic return. The platform, fundamentally a hinged wave attenuator, is made up of hollow pontoons making up two separate bodies. The low cost and long lifetime of the simple hull structure is a major contributor to the cost effectiveness of the device. The pontoon properties and their spacing are carefully sized to maximise average wave power capture for a site. The internationally patented device captures energy by reacting to long prevailing wavelengths for high resource sites. This explains the performance advantage over devices such as point absorbers and OWCs that fail to exploit all the available incident wave power and fail to target higher resource locations. The simplicity of the design (there is only one hinge) made up of two oscillating bodies, means that it is more cost effective than any other known attenuator-type device.
Additional Information
Device Status
Is the device actively being developed or is available for purchase (active)? Or has development or support ended (inactive)?
Active
Technology Type
Power Take-Off
Mechanism that converts the motion of the prime mover into a useful form of energy such as electricity, learn more
Direct Drive Generator
Surface ExpressionTrue
Estimated TRL
Estimated Technology Readiness Level scale from 1 to 9 with 9 being the most mature technology
TRL Last updated: 22 September 2023
6
Energy Resource
- Wave
Water Column Position
Surface
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Submerged - Mid
Entire Water Column
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Submerged - Bottom
Last Modified
7 May 2025
Projects Using Seapower
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Citation Formats
“Seapower.” Marine Energy Projects Database: Devices, PRIMRE, United States Department of Energy, https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Devices/Seapower. Accessed <day> <monthRoman> <year>.
Marine Energy Projects Database: Devices. <year>. "Seapower." Accessed <monthRoman> <day>, <year>. https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Devices/Seapower.
