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PRIMRE/Databases/Projects Database/Projects/DP Energy Westray South Tidal Project
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DP Energy Westray South Tidal Project
In 2010, SSE Renewables was awarded an Agreement for Lease (AfL) from The Crown Estate for development rights to support a 200 MW tidal array in the Westray Firth, Orkney. This was transferred to DP Energy in 2014 and now Orbital Marine Power Ltd in March 2023. This project is considered cancelled as far as DP Energy is concerned but the latest details of the project led by Orbital Marine Power can be found here.
The site is located within the Westray Firth approximately 24 km to the north of Kirkwall, the nearest sizeable port. The Crown Estate Agreement for Lease area covers approximately 13 km2 (excluding grid connection corridor) within which the proposed development would occupy a smaller area.
The project development scope encompasses the offshore works (tidal generators, array cabling and export cable to shore) and export cable landfall near the village of Tingwall. At present the electricity network on Orkney and beyond is not able to accommodate projects of this scale and options for development of new grid connection infrastructure are being investigated.
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.
200 MW
Project Duration
2010 - 2023
Energy Resource
- Tidal
Project Scale
Full-scale
Grid Connectivity
Grid Connected
Waterbody
Westray Firth, Orkney Islands
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
Coastal
Country
United Kingdom
Environmental Details
Last Modified
10 June 2025
This Project has the following MRE Devices
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Citation Formats
“DP Energy Westray South Tidal Project.” Marine Energy Projects Database: Projects, PRIMRE, United States Department of Energy, https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Projects/DP_Energy_Westray_South_Tidal_Project. Accessed <day> <monthRoman> <year>.
Marine Energy Projects Database: Projects. <year>. "DP Energy Westray South Tidal Project." Accessed <monthRoman> <day>, <year>. https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Projects/DP_Energy_Westray_South_Tidal_Project.
