Power plant · Rhondda Cynon Taf, Wales, United Kingdom
Mynydd Portref
Mynydd Portref is a power plant in Rhondda Cynon Taf, Wales, United Kingdom, with 9.4 MW of capacity, operated by Gresham House.
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 | Rhondda Cynon Taf (coordinates), Wales | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | N of Brynna, E of existing Taff Ely Wind Farm | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Operating (operational) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Start year | 2012 | 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 |
| Permit date | 1 Jul 2008 (permit 06/1325, Town and Country Planning Act, issued by Rhondda Cynon Taf) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 26 Jun 2006 (reference 06/1325, planning authority Rhondda Cynon Taf) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 1 Jul 2008 (granted, reference 06/1325, planning authority Rhondda Cynon Taf) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Gresham House | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 9.4 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Units | 11 units (0.85 MW per unit) | 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 | 51.5569, -3.4573 | 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 researchHow it compares
Mynydd Portref is the 154th-largest of 424 power plants in Wales and the 2,017th-largest of 5,050 in the United Kingdom by capacity; its 9.4 MW is <0.1% of the 115,642 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 | 154th of 424 | 9,068 MW | 0.1% |
| United Kingdom | 2,017th of 5,050 | 115,642 MW | <0.1% |
| All power plants in our data | 7,363rd of 12,008 | 1,173,302 MW | <0.1% |
Timeline
Dated facts about this power plant from its sources, oldest first.
- Permit issued (Town and Country Planning Act), no. 06/1325
- Started operating
Nearby
Within 50 km of this power plant: 235 grid connections, 7 data centers and 1 transmission line, measured from the coordinates in the facts above. The table shows the nearest 7, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| MYNYDD Portref Wind Farm grid connection | Grid connection | — | — | 1.3 km |
| MYNYDD Portref Wind Farm grid connection | Grid connection | — | — | 1.7 km |
| Tonyrefail Graig Fatha Wind Turbine Coed ELY grid connection | Grid connection | — | — | 2.2 km |
| CGI Datacenter | Data center | — | — | 11 km |
| Centerprise International (Distribution) | Data center | — | — | 18 km |
| Microsoft Newport data centre | Data center | — | — | 29 km |
| Hinkley Point C Connection Project Material Change | Transmission line | — | Planned | 49 km |
Operator and place
More from Gresham House
- Cockenzie Battery Storage System - Site A240 MW · permitted
- Cockenzie Battery Storage System - Site B102 MW · permitted
- Harburnhead Wind Farm51.7 MW
- Glassenbury - Battery Storage System50 MW · permitted
- West Didsbury Battery Storage50 MW
- Enderby Storage, Redcomb Farm49.9 MW
- Low Farm Solar Farm49.9 MW · under construction
- Pleasance Road - Battery Energy Facility49.9 MW
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
- DESNZ Renewable Energy Planning Database (REPD). 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.
- NGED Connected Data portal. NGED Connected Data portal, Terms not verified.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- Planning Inspectorate: National Infrastructure Projects. 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.