Power plant · Lancaster, England, United Kingdom

Heysham 1 Power Station

Heysham 1 Power Station is a nuclear power plant in Lancaster, England, United Kingdom, with 1,060 MW of capacity, owned by EDF Energy.

Grid connection

It is due to retire in 2030, which frees up a 1,060 MW grid connection.

Retiring power plants in the United Kingdom

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	Lancaster (coordinates), England	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	1983	DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026
Owner	EDF Energy (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	1,060 MW	DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026
Technology	Nuclear (AGR)	DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026
Planned retirement	2030 (expected to generate until March 2030 (extended by two years on 22 July 2026), owner's announced end of generation)	GB power station owners' pages · record · Facts only, each linked to its page · checked 25 Oct 2026
Coordinates	54.0467, -2.8922	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.

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How it compares

Heysham 1 is the 24th-largest of 4,035 power plants in England and the 32nd-largest of 5,834 in the United Kingdom by capacity; its 1,060 MW is 0.53% 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
England	24th of 4,035	134,434 MW	0.79%
United Kingdom	32nd of 5,834	200,500 MW	0.53%
All power plants in our data	457th of 15,799	1,918,113 MW	<0.1%

Nearby

Within 50 km of this power plant: 196 grid connections (108 operating, 1,269 MW), 142 substations, 2 transmission lines and 1 gas storage facility, measured from the coordinates in the facts above. The table shows the nearest 9, up to 3 per kind.

Name	Kind	Size	Status	Distance
Fanny House Solar Farm grid connection	Grid connection	4 MW	Operating	1.1 km
CEL Heysham BESS grid connection	Grid connection	90 MW	Planned	1.3 km
Heysham GSP	Substation	—	—	1.5 km
Heysham Wind Farm grid connection	Grid connection	2.3 MW	Operating	1.6 km
Westgate	Substation	—	—	2.4 km
Trimpell BSP	Substation	—	—	2.5 km
Preesall Saltfield Underground Gas Storage	Gas storage facility	—	Cancelled	17 km
East Irish Sea Transmission Project	Transmission line	—	Planned	21 km
Morgan and Morecambe Offshore Wind Farms Transmission Assets	Transmission line	—	Permitted	33 km

Owner and place

Other power plants in England

Drax Power Station Biomass Units2,580 MW
Ratcliffe-on-Soar2,021 MW
Cottam2,000 MW
Walpole Flexible Generation Project2,000 MW
West Burton2,000 MW
Eggborough1,960 MW
Staythorpe1,828 MW
Fiddler’s Ferry1,510 MW

All 5872 power plants in England, United Kingdom

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.
GB power station owners' pages. GB power station owners' pages, Facts only, each linked to its page.
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.