Power plant · Flintshire, Wales, United Kingdom
Connahs Quay Power Station
Connahs Quay Power Station is a gas power plant in Flintshire, Wales, United Kingdom, with 1,380 MW of capacity, owned by Uniper.
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 | Flintshire (coordinates), Wales | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Status | Operating | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Start year | 1996 | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Owner | Uniper (company that returns the dukes survey, usually the owner) | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Capacity | 1,380 MW | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Technology | Natural gas (CCGT) | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Coordinates | 53.2081, -3.0637 | DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026 |
Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.
Request researchHow it compares
Connahs Quay is the 4th-largest of 451 power plants in Wales and the 16th-largest of 5,834 in the United Kingdom by capacity; its 1,380 MW is 0.69% 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 | 4th of 451 | 16,665 MW | 8.3% |
| United Kingdom | 16th of 5,834 | 200,500 MW | 0.69% |
| All power plants in our data | 256th of 15,799 | 1,918,113 MW | <0.1% |
Nearby
Within 50 km of this power plant: 51 grid connections (32 operating, 271 MW), 32 substations, 6 data centers, 3 gas storage facilities and 2 transmission lines, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| nLighten Chester | Data center | — | — | 9.8 km |
| nLighten Edge Data Centre Liverpool | Data center | — | — | 16 km |
| The Babbage Centre | Data center | — | — | 25 km |
| North Wales Wind Farms Connection | Transmission line | — | Permitted | 30 km |
| Bold GSP | Substation | — | — | 35 km |
| Bickerstaffe WTW grid connection | Grid connection | 1.25 MW | Operating | 38 km |
| Unit 1 Junction Lane grid connection | Grid connection | 5.26 MW | Planned | 39 km |
| Amazon Man 8 grid connection | Grid connection | 1.39 MW | Planned | 40 km |
| Newton Le Willows | Substation | — | — | 40 km |
Owner and place
More from Uniper
- Ratcliffe-on-Soar2,021 MW
- Grain1,404 MW
- Connah’s Quay Low Carbon Power Project1,380 MW · planned
- Killingholme619 MW
- Cottam Development Centre445 MW
- Enfield408 MW
- Taylors Lane144 MW
- Killingholme Power Station, Chase Hill Road - Hydrogen Production Facility120 MW · permitted
Other power plants in Wales
- Pembroke2,325 MW
- Dinorwig1,728 MW
- Aberthaw B1,559 MW
- Severn Power Ltd850 MW
- Gwynt y Mor576 MW
- Deeside498 MW
- Ffestiniog360 MW
- Port Talbot Renewable Energy Plant350 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.
- SP Electricity North West, via Northern Powergrid Open Data. SP Electricity North West open data portal, 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.
- Wikidata. Wikidata, CC0 1.0.