Technology Developer
PRIMRE/Databases/Projects Database/Devices/Neptune 3
From Open Energy Information
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Neptune 3
The Mermaid Machine has 3 basic parts: the outer floatation framework with dome - 12,000 kg; the motive float - 3,500 kg that sits inside the outer framework - is the part that is moved by the waves; and, the PTO which includes the energy motion converter (reciprocating to rotation motion) & the electrical generator.
Device Status
Is the device actively being developed or is available for purchase (active)? Or has development or support ended (inactive)?
Inactive
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
Max Rated Power Capacity
The maximum amount of electricity that can be produced by the device, as rated by the manufacturer.
42 KW
Surface ExpressionTrue
Estimated TRL
Estimated Technology Readiness Level scale from 1 to 9 with 9 being the most mature technology
4
Energy Resource
- Wave
Water Column Position
Surface
--------------------------------------------
Submerged - Mid
Entire Water Column
--------------------------------------------
Submerged - Bottom
Last Modified
1 May 2025
Citation Formats
“Neptune 3.” Marine Energy Projects Database: Devices, PRIMRE, United States Department of Energy, https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Devices/Neptune_3. Accessed <day> <monthRoman> <year>.
Marine Energy Projects Database: Devices. <year>. "Neptune 3." Accessed <monthRoman> <day>, <year>. https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Devices/Neptune_3.
