Power plant · Vale of Glamorgan, Wales, United Kingdom
Land at Pen Onn - Solar Farm
Land at Pen Onn - Solar Farm is a permitted solar power plant in Vale of Glamorgan, Wales, United Kingdom, with 45 MW of capacity, operated by Iolo 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 | Vale of Glamorgan (coordinates), Wales | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Land at Pen Onn, Llancarfan, Barry, CF62 3AG | 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 |
| Permit date | 29 May 2025 (permit DNS/3273713, 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 | 20 Dec 2023 (reference DNS/3273713, planning authority Welsh Government (NSIP)) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 29 May 2025 (granted, reference DNS/3273713, planning authority Welsh Government (NSIP)) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Iolo Energy (applicant) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 45 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 | 63.5 ha (solar site area) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 51.4200, -3.3612 | 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/3273713)
- Permit applied for (planning authority Welsh Government (NSIP), reference DNS/3273713)
How it compares
Land at Pen Onn - Solar Farm is the 54th-largest of 157 power plants planned, permitted or under construction in Wales and the 1,092nd-largest of 2,548 in the United Kingdom by capacity; its 45 MW is <0.1% of the 279,068 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 | 54th of 157 | 16,088 MW | 0.28% |
| United Kingdom | 1,092nd of 2,548 | 279,068 MW | <0.1% |
| All power plants planned, permitted or under construction in our data | 2,242nd of 5,799 | 657,076 MW | <0.1% |
Nearby
Within 50 km of this power plant: 8 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 |
|---|---|---|---|---|
| CGI Datacenter | Data center | — | — | 17 km |
| Centerprise International (Distribution) | Data center | — | — | 25 km |
| Microsoft Newport data centre | Data center | — | — | 27 km |
| Hinkley Point C Connection Project Material Change | Transmission line | — | Planned | 37 km |
| Hinkley Point C Connection | Transmission line | — | Permitted | 42 km |
Operator and place
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. 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.
- Wikidata. Wikidata, CC0 1.0.