Power plant · Wales, United Kingdom
Uskmouth Power Station
Uskmouth Power Station is an idle coal power plant in Wales, United Kingdom, with 220 MW of capacity, owned by SIMEC Group.
Grid connection
It is idle (mothballed in 2017), holding a 220 MW grid connection.
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 | Wales | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Status | Idle (mothballed in 2017) | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Start year | 1962 | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Owner | SIMEC Group (company that returns the dukes survey, usually the owner) | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Capacity | 220 MW (capacity before it was mothballed) | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Technology | Coal | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.
Request researchHow it compares
Uskmouth is the 13th-largest of 451 power plants in Wales and the 148th-largest of 5,834 in the United Kingdom by capacity; its 220 MW is 0.11% of the 200,500 MW we hold for the United Kingdom. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Wales | 13th of 451 | 16,665 MW | 1.3% |
| United Kingdom | 148th of 5,834 | 200,500 MW | 0.11% |
| All power plants in our data | 1,815th of 15,799 | 1,918,113 MW | <0.1% |
Owner and place
More from SIMEC Group
Other power plants in Wales
- Pembroke2,325 MW
- Dinorwig1,728 MW
- Aberthaw B1,559 MW
- Connahs Quay1,380 MW
- Severn Power Ltd850 MW
- Gwynt y Mor576 MW
- Deeside498 MW
- Ffestiniog360 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
- 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.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- 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.
- Wikidata. Wikidata, CC0 1.0.