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🇫🇷 Blayais

Name: Blayais
Address: France

Nuclear power plant · France

Operational

Capacity≈3,640 MW

Units4

First Online1981

Construction Start1977

Output (ENTSO-E)1,844 MW · 2026-09-03

Reactor TypePWR

Coordinates45.256, -0.691

Blayais is a nuclear power station in France. Of its 4 recorded unit(s), 4 reactors are operational. Combined net capacity of the operating units is about 3,640 MW. On 2026-09-03, 2 of 4 units at this site were generating, with a combined daily mean of 1,844 MW recorded in ENTSO-E grid data. The first unit reached commercial operation in 1981. Reactor technology on site: PWR.

Reactor units at Blayais

Unit	Status	Reactor type	Net capacity	Key dates
Blayais-1	Operational	PWR CP1	910 MW	Construction 1977 · Grid 1981
Blayais-2	Operational	PWR CP1	910 MW	Construction 1977 · Grid 1983
Blayais-3	Operational	PWR CP1	910 MW	Construction 1978 · Grid 1983
Blayais-4	Operational	PWR CP1	910 MW	Construction 1978 · Grid 1983

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Contains information from GeoNuclearData, made available under the ODbL. Sources & methodology. Data compiled from open datasets (GeoNuclearData and operator reports); figures are approximate — verify official status with IAEA PRIS. See the France nuclear overview or browse all nuclear sites.