Power plant · Pembrokeshire, Wales, United Kingdom
Erebus - Floating Offshore Wind Demonstration Project
Erebus - Floating Offshore Wind Demonstration Project is a permitted power plant in Pembrokeshire, Wales, United Kingdom, with 100 MW of capacity, operated by Simply Blue Energy.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Pembrokeshire (coordinates), Wales | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Approximately 45 km off the south west coast of | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Permitted (planning permission granted) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Onshore or offshore | Offshore | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Permit date | 17 Feb 2023 (permit DNS/3251528, Welsh Government development of national significance, issued by Welsh Government (NSIP)) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 22 Dec 2021 (reference DNS/3251528, planning authority Welsh Government (NSIP)) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 17 Feb 2023 (granted, reference DNS/3251528, planning authority Welsh Government (NSIP)) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Simply Blue Energy | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 100 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Units | 10 units | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Wind Offshore | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 51.6095, -4.9344 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
Research on this power plant and its operator.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the operator.
Request researchLatest events
Dated events about this power plant from official notices and registers, newest first. All recent changes.
- Permit granted (planning authority Welsh Government (NSIP), reference DNS/3251528)
- Permit applied for (planning authority Welsh Government (NSIP), reference DNS/3251528)
How it compares
Erebus - Floating Offshore Wind Demonstration Project is the 35th-largest of 177 power plants planned, permitted or under construction in Wales and the 426th-largest of 3,222 in the United Kingdom by capacity; its 100 MW is <0.1% of the 300,461 MW of power plants planned, permitted or under construction we hold for the United Kingdom. It is not built yet, so it is ranked among the power plants planned, permitted or under construction in our data, apart from the ones running today. Ranks and totals cover the ones that report their capacity.
| Within | Rank | Total | Share |
|---|---|---|---|
| Wales | 35th of 177 | 16,801 MW | 0.6% |
| United Kingdom | 426th of 3,222 | 300,461 MW | <0.1% |
| All power plants planned, permitted or under construction in our data | 1,276th of 6,455 | 664,040 MW | <0.1% |
Operator and place
Other power plants in Wales
- Dinorwig1,728 MW
- Gwynt y Mor576 MW
- Ffestiniog360 MW
- Port Talbot Renewable Energy Plant350 MW
- Anglesey Biomass Power Station299 MW
- Tidal Lagoon Swansea Bay240 MW
- Pen Y Cymoedd228 MW
- Carnedd Wen Wind Farm150 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
- RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.