Power plant · Rhondda Cynon Taf, Wales, United Kingdom
Maes Mawr Solar
Maes Mawr Solar is a power plant under construction in Rhondda Cynon Taf, Wales, United Kingdom, with 30 MW of capacity, operated by Elgin Energy EsCo.
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 | Farmland between Church Village and Treforest Industrial Est, Church Village bypass (A473), CF38 1SL | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Under construction | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Permit date | 21 Dec 2023 (permit DNS/3282038, 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 | 1 Dec 2022 (reference DNS/3282038, planning authority Welsh Government (NSIP)) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 21 Dec 2023 (granted, reference DNS/3282038, planning authority Welsh Government (NSIP)) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Elgin Energy EsCo | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 30 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Solar Photovoltaics | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Area | 40 ha (solar site area) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 51.5648, -3.2937 | 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.
- Construction started
- Permit granted (planning authority Welsh Government (NSIP), reference DNS/3282038)
- Permit applied for (planning authority Welsh Government (NSIP), reference DNS/3282038)
How it compares
Maes Mawr Solar is the 80th-largest of 177 power plants planned, permitted or under construction in Wales and the 1,569th-largest of 3,222 in the United Kingdom by capacity; its 30 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 | 80th of 177 | 16,801 MW | 0.18% |
| United Kingdom | 1,569th of 3,222 | 300,461 MW | <0.1% |
| All power plants planned, permitted or under construction in our data | 2,981st of 6,455 | 664,040 MW | <0.1% |
Nearby
Within 50 km of this power plant: 9 data centers and 2 transmission lines, measured from the coordinates in the facts above. The table shows the nearest 5, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Centerprise International (Distribution) | Data center | — | — | 8.5 km |
| Microsoft Newport data centre | Data center | — | — | 18 km |
| Centerprise International Newport | Data center | — | — | 18 km |
| Hinkley Point C Connection Project Material Change | Transmission line | — | Planned | 40 km |
| Hinkley Point C Connection | Transmission line | — | Permitted | 44 km |
Operator and place
More from Elgin Energy EsCo
- Pashley Farm, Ninfield Road - Battery Energy Storage System130 MW · planned
- Pool Hall Farm, Lower Penn - Battery Storage100 MW · permitted
- Pelham Road, Upton Magna - Battery Energy Storage System100 MW · planned
- Lime Lane, Pelsall - Battery Energy Storage System100 MW
- Catsfield Christmas Tree Farm, The Stream - Battery Energy Storage System99.9 MW · planned
- Highfields Farm, Clifton Lane - Solar Panels61.9 MW · under construction
- Moat Farm - Solar Farm49.9 MW · permitted
- Woodlands Farm - Solar Array49.9 MW · permitted
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.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- 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.