Power plant · Gwynedd, Wales, United Kingdom
Cwmpenanner
Cwmpenanner is a cancelled power plant in Gwynedd, Wales, United Kingdom, with 24.2 MW of capacity, operated by Zepher.
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 | Gwynedd (coordinates), Wales | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Cwm Penanner, Cerrid-Y-Drudion Corwen Conwy | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Cancelled (planning permission refused) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Onshore or offshore | Onshore | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 4 Jan 2004 (reference 0/28528, planning authority Gwynedd) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 26 Nov 2004 (refused, reference 0/28528, planning authority Gwynedd) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Zepher | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 24.2 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Wind Onshore | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 53.0049, -3.6109 | 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 refused (planning authority Gwynedd, reference 0/28528)
- Permit applied for (planning authority Gwynedd, reference 0/28528)
How it compares
Cwmpenanner is the 60th-largest of 424 power plants in Wales and the 930th-largest of 5,050 in the United Kingdom by capacity; its 24.2 MW is <0.1% of the 115,622 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 | 60th of 424 | 9,068 MW | 0.27% |
| United Kingdom | 930th of 5,050 | 115,622 MW | <0.1% |
| All power plants in our data | 3,381st of 12,032 | 1,190,447 MW | <0.1% |
Nearby
Within 50 km of this power plant: 3 transmission lines, measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| North Wales Wind Farms Connection | Transmission line | — | Permitted | 13 km |
| Green Gen Vyrnwy Frankton | Transmission line | — | Planned | 41 km |
| Mid Wales Electricity Connection (N Grid) | Transmission line | — | Cancelled | 47 km |
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.
- 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.