Power plant · Cornwall, England, United Kingdom
Trethosa Farm Solar Park
Trethosa Farm Solar Park is a power plant in Cornwall, England, United Kingdom, with 4.8 MW of capacity, operated by Trethosa Solar Ltd.
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 | Cornwall (coordinates), England | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Land At Trethosa Farm Trethosa St Stephen St Austell Cornwall, PL26 7QH | 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 | 2015 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Permit date | 6 Jun 2014 (permit PA13/11191, Town and Country Planning Act, issued by Cornwall) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 28 Jan 2014 (reference PA13/11191, planning authority Cornwall) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 6 Jun 2014 (granted, reference PA13/11191, planning authority Cornwall) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Trethosa Solar Ltd | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 4.8 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 |
| Coordinates | 50.3559, -4.8967 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
Know more about this power plant, or want an introduction to its operator? Ask us.
How it compares
Trethosa Farm Solar Park is the 2,217th-largest of 3,430 power plants in England and the 3,306th-largest of 5,050 in the United Kingdom by capacity; its 4.8 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 |
|---|---|---|---|
| England | 2,217th of 3,430 | 71,985 MW | <0.1% |
| United Kingdom | 3,306th of 5,050 | 115,642 MW | <0.1% |
| All power plants in our data | 8,964th 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. PA13/11191
- Started operating
Nearby
Within 50 km of this power plant: 139 grid connections, measured from the coordinates in the facts above. The table shows the nearest 3.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Trethosa Solar Farm grid connection | Grid connection | — | — | 0.2 km |
| St Columb, St Stephen Solar Park grid connection | Grid connection | — | — | 0.5 km |
| St Austell Carloggas Farm St Stephen, grid connection | Grid connection | — | — | 1.6 km |
Operator and place
Other power plants in England
- Walpole Flexible Generation Project2,000 MW
- Outer Dowsing Offshore Wind Farm1,500 MW
- Hornsea 2 - Optimus and Breesea1,320 MW
- Hornsea 1 - Heron & Njord1,218 MW
- Atlantic Array One - Bristol Channel Zone1,200 MW
- Five Estuaries - Wind Farm1,080 MW
- Rugeley Power Plant Conversion1,000 MW
- Teesworks Battery Storage Project1,000 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.
- 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.