Power plant · England, United Kingdom

Dungeness B Power Station

Dungeness B Power Station is a closed nuclear power plant in England, United Kingdom, with 1,090 MW of capacity, owned by EDF Energy.

Grid connection

It closed in 2021, which freed up a 1,090 MW grid connection, unless it has been reassigned since.

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	England	DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026
Status	Closed	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
End year	2021	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	1,090 MW (capacity before it closed)	DUKES 5.11: Power stations in the United Kingdom · Open Government Licence v3.0 · checked 25 Oct 2026
Technology	Nuclear	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

Dungeness B is the 22nd-largest of 4,035 power plants in England and the 29th-largest of 5,834 in the United Kingdom by capacity; its 1,090 MW is 0.54% 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	22nd of 4,035	134,434 MW	0.81%
United Kingdom	29th of 5,834	200,500 MW	0.54%
All power plants in our data	432nd of 15,799	1,918,113 MW	<0.1%

Timeline

Dated facts about this power plant from its sources, oldest first.

1983Started operating
2021Retired

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.
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.