Power plant · East Hertfordshire, England, United Kingdom
Westmill Quarry, Westmill Road - Solar Farm
Westmill Quarry, Westmill Road - Solar Farm is a planned power plant in East Hertfordshire, England, United Kingdom, with 7.3 MW of capacity, operated by Biffa Waste Services 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 | East Hertfordshire (coordinates), England | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Westmill Quarry, Westmill Road, SG12 0ES | 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 | 1 Sept 2023 (reference PL/0357/23, planning authority East Hertfordshire) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Biffa Waste Services Limited | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 7.3 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 | 10.4 ha (solar site area) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 51.8263, -0.0547 | 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 East Hertfordshire, reference PL/0357/23)
How it compares
Westmill Quarry, Westmill Road - Solar Farm is the 1,550th-largest of 2,174 power plants planned, permitted or under construction in England and the 2,396th-largest of 3,222 in the United Kingdom by capacity; its 7.3 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 | 1,550th of 2,174 | 185,888 MW | <0.1% |
| United Kingdom | 2,396th of 3,222 | 300,461 MW | <0.1% |
| All power plants planned, permitted or under construction in our data | 5,506th of 6,455 | 664,040 MW | <0.1% |
Nearby
Within 50 km of this power plant: 94 data centers (1 operating, 88 MW), 56 substations, 22 grid connections (14 operating, 106 MW), 1 AI supercomputer and 1 transmission line, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Hertfordshire Data Centre | Data center | — | — | 9.3 km |
| Colt London North Data Centre | Data center | — | — | 9.3 km |
| Kao Data KLON-02 | Data center | — | — | 14 km |
| NVIDIA Cambridge-1 | AI supercomputer | 202 H100e | Operating | 14 km |
| North London (Electricity Line) Reinforcement | Transmission line | — | Permitted | 25 km |
| Tertiary Study grid connection | Grid connection | 57 MW | Planned | 34 km |
| Willesden GSP | Substation | — | — | 35 km |
| Acton Lane BSP | Substation | — | — | 35 km |
| Canal Bank 11kV Primary | Substation | — | — | 35 km |
Operator and place
More from Biffa Waste Services Limited
- Silver Lane, Risley - Solar Farm5 MW · permitted
- Skelton Grange Landfill Site, Pontefract Lane - Solar Farm4.4 MW · permitted
- Holiday Moss Landfill Site, Reeds Brow - Battery Storage3 MW · permitted
- Howden Clough Landfill, Howden Clough Road - Solar Farm2.4 MW · planned
- Former Howden Clough, Howden Clough Road - Battery Units2 MW · permitted
- Biffa Waste Services, Fochriw Road - Battery Storage2 MW · permitted
- Langhurst Wood Road - Hydrogen Generation Facility2 MW
- Grove Farm, Daventry Road - Solar Farm1.8 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.
- Epoch AI. Epoch AI supercomputers, CC BY 4.0.
- 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.