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PRIMRE/Databases/Projects Database/Projects/Half Moon Cove Tidal Project
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Half Moon Cove Tidal Project
In April 2007, the Federal Energy Regulatory Commission (FERC) awarded a three year preliminary permit to Tidewalker Associates from Trescott, Maine to study the feasibility of tidal barrage power development in Cobsook Bay. The entrance to Half-Moon Cove which borders Perry and Eastport (Maine) is the focus of this interest due to its narrow and relatively deep cross-section which would enable the harnessing of the tides for the production of electricity. In this case, the investigation will concentrate on the construction of a barrage (dam) to maximize production by utilizing tidal exchanges which average 18 feet during a typical lunar cycle. Tidewalker Associates will also investigate the use of current driven (or hydro-kinetic) devices as a secondary / supplementary and less effective manner for tapping the energy resources of downeast Maine.
Additional Information
Project Status
Is the project actively being planned or is deployed in the water (active)? Or was the project canceled or completed (inactive)?
Inactive
Project Life Cycle
Project Progress through life cycle:
- Planned: Project has identified a deployment location and is preparing for deployment
- Operational: Project is deployed in the water and is active
- Completed: Project was previously deployed in the water
- Decommissioned: Installation has been fully removed in accordance with regulations
- Canceled: Project was canceled before being deployed in the water
Canceled
Max Rated Power Capacity
The maximum amount of electricity that can be produced by project, based on available resources and device nameplate capacity.
10 MW
Project Duration
2010 - 2013
Energy Resource
- Tidal
Project Scale
Full-scale
Number of Devices
1
Waterbody
Half Moon Cove, Maine
Site Characteristics
Geographic characterization for the project location:
- Open Ocean: Main body of ocean, not enclosed or partially enclosed by land
- Coastal: Open water near the coast, spanning between land and shelf boundary
- Enclosed Bay: water that is partially surrounded by land, with a mouth open to larger water
- Constricted Channel: A channel where water flows quickly due to narrowing by the land
- River: Water flowing from land towards a larger body of water
Enclosed Bay
Country
United States
Citation Formats
“Half Moon Cove Tidal Project.” Marine Energy Projects Database: Projects, PRIMRE, United States Department of Energy, https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Projects/Half_Moon_Cove_Tidal_Project. Accessed <day> <monthRoman> <year>.
Marine Energy Projects Database: Projects. <year>. "Half Moon Cove Tidal Project." Accessed <monthRoman> <day>, <year>. https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Projects/Half_Moon_Cove_Tidal_Project.
Last modified: 8 April 2025