Power plant · Welwyn Hatfield, England, United Kingdom
Tollgate Farm, Welham Green - Solar Farm
Tollgate Farm, Welham Green - Solar Farm is a planned power plant in Welwyn Hatfield, England, United Kingdom, with 16 MW of capacity, operated by Brockwell Energy Limited.
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 | Welwyn Hatfield (coordinates), England | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Tollgate Farm, Welham Green, St Albans, AL4 0NY | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Planned (planning application submitted) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 11 Jul 2025 (reference 6/2025/1458/MAJ, planning authority Welwyn Hatfield) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Brockwell Energy Limited | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 16 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 | 22.1 ha (solar site area) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 51.7349, -0.2415 | 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 applied for (planning authority Welwyn Hatfield, reference 6/2025/1458/MAJ)
How it compares
Tollgate Farm, Welham Green - Solar Farm is the 1,324th-largest of 2,174 power plants planned, permitted or under construction in England and the 2,070th-largest of 3,222 in the United Kingdom by capacity; its 16 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 |
|---|---|---|---|
| England | 1,324th of 2,174 | 185,888 MW | <0.1% |
| United Kingdom | 2,070th of 3,222 | 300,461 MW | <0.1% |
| All power plants planned, permitted or under construction in our data | 4,369th of 6,455 | 664,040 MW | <0.1% |
Nearby
Within 50 km of this power plant: 133 data centers (1 operating, 88 MW), 95 substations, 39 grid connections (23 operating, 252 MW), 1 transmission line and 1 AI supercomputer, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| BT Computer Centre | Data center | — | — | 6.7 km |
| Colt London North Data Centre | Data center | — | — | 8.3 km |
| Hertfordshire Data Centre | Data center | — | — | 9.0 km |
| North London (Electricity Line) Reinforcement | Transmission line | — | Permitted | 20 km |
| Willesden GSP | Substation | — | — | 22 km |
| Acton Lane BSP | Substation | — | — | 22 km |
| Canal Bank 11kV Primary | Substation | — | — | 22 km |
| Harefield Solar grid connection | Grid connection | 30 MW | Planned | 23 km |
| Ariel Way White City London grid connection | Grid connection | 2.2 MW | Operating | 25 km |
Operator and place
More from Brockwell Energy Limited
- East Park Energy400 MW · planned
- North Kyle Energy Project206 MW · under construction
- Breezy Hill, North Kyle Forest Estate - Wind Turbines100 MW · planned
- East Park Energy100 MW · planned
- New Oaks, Station Road - Battery Energy Storage System50 MW · planned
- Killoch Depot, Killoch Colliery - Battery Storage49.9 MW · permitted
- Glentaggart - Battery Energy Storage42 MW · permitted
- Breezy Hill, North Kyle Forest Estate - BESS40 MW · planned
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
- 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.
- SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.