Power plant · Uttlesford, England, United Kingdom
West Mill
West Mill is a power plant in Uttlesford, England, United Kingdom, with 2.5 MW of capacity, operated by RMC Aggregates.
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 | Uttlesford (coordinates), England | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Westmill Landfill Site, Westmill, Ware, Hertfordshire, SG12 OES | 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 | 2005 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Permit date | 19 Jul 1999 (permit 3/99/0416/CM, Town and Country Planning Act, issued by Uttlesford) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 22 Apr 1999 (reference 3/99/0416/CM, planning authority Uttlesford) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 19 Jul 1999 (granted, reference 3/99/0416/CM, planning authority Uttlesford) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | RMC Aggregates | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 2.5 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Landfill Gas | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 51.8841, 0.2450 | 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.
- Commissioned
- Permit granted (planning authority Uttlesford, reference 3/99/0416/CM)
- Permit applied for (planning authority Uttlesford, reference 3/99/0416/CM)
How it compares
West Mill is the 2,673rd-largest of 3,430 power plants in England and the 3,943rd-largest of 5,050 in the United Kingdom by capacity; its 2.5 MW is <0.1% of the 115,622 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 | 2,673rd of 3,430 | 71,965 MW | <0.1% |
| United Kingdom | 3,943rd of 5,050 | 115,622 MW | <0.1% |
| All power plants in our data | 10,021st of 12,032 | 1,190,447 MW | <0.1% |
Timeline
Dated facts about this power plant from its sources, oldest first.
- Started operating
Nearby
Within 50 km of this power plant: 57 data centers (1 operating, 88 MW), 2 transmission lines, 2 grid connections (1 operating, 6.94 MW) and 1 AI supercomputer, measured from the coordinates in the facts above. The table shows the nearest 8, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| NVIDIA Cambridge-1 | AI supercomputer | 202 H100e | Operating | 15 km |
| Kao Data KLON-02 | Data center | — | — | 15 km |
| Kao Data KLON-01 | Data center | — | — | 15 km |
| Google Datacentre Waltham Cross | Data center | — | — | 29 km |
| North London (Electricity Line) Reinforcement | Transmission line | — | Permitted | 37 km |
| Bramford to Twinstead | Transmission line | — | Permitted | 44 km |
| Solar 6.935 MW grid connection at Maiden Newton | Grid connection | 6.94 MW | Operating | 45 km |
| Tertiary Study grid connection | Grid connection | 57 MW | Planned | 47 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
- 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.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- © 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.