Power plant · Powys, Wales, United Kingdom
Cemmaes 'B' Wind Farm
Cemmaes 'B' Wind Farm is a wind power plant in Powys, Wales, United Kingdom, with 3.4 MW of capacity, operated by Vestas Wind Systems A/S.
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 | Powys (coordinates), Wales | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Address | Mynydd y Cemmaes Cemmaes Machynlleth Powys | 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 | 2002 | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Onshore or offshore | Onshore | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Permit date | 16 Mar 1999 (permit M/1996/0550, Town and Country Planning Act, issued by Powys) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Application date | 4 Sept 1996 (reference M/1996/0550, planning authority Powys) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Decision date | 16 Mar 1999 (granted, reference M/1996/0550, planning authority Powys) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Operator | Vestas Wind Systems A/S | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Capacity | 3.4 MW | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Units | 6 units (0.56 MW per unit) | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Technology | Wind Onshore | DESNZ Renewable Energy Planning Database (REPD) · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Coordinates | 52.6586, -3.6696 | 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 Powys, reference M/1996/0550)
- Permit applied for (planning authority Powys, reference M/1996/0550)
How it compares
Cemmaes 'B' Wind Farm is the 345th-largest of 451 power plants in Wales and the 4,303rd-largest of 5,834 in the United Kingdom by capacity; its 3.4 MW is <0.1% of the 200,500 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 |
|---|---|---|---|
| Wales | 345th of 451 | 16,665 MW | <0.1% |
| United Kingdom | 4,303rd of 5,834 | 200,500 MW | <0.1% |
| All power plants in our data | 13,165th of 15,799 | 1,918,113 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: 4 transmission lines, measured from the coordinates in the facts above. The table shows the nearest 3.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| SP Mid Wales (Electricity) Connections Project (SP Manweb) | Transmission line | — | Planned | 15 km |
| Green Gen Vyrnwy Frankton | Transmission line | — | Planned | 34 km |
| Mid Wales Electricity Connection (N Grid) | Transmission line | — | Cancelled | 37 km |
Operator and place
More from Vestas Wind Systems A/S
- Cemmaes 'C' Wind Farm15.3 MW
- Solutia UK Ltd5 MW
- Thorfinn Wind Farm - NM20002.3 MW
- Thorfinn Wind Farm - NM15001.5 MW
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. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
- 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.
- 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.
- 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.