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Blayais

Blayais, nuclear power plant in France, operates 4 pressurized water reactors with 3,640 MW net installed capacity and has been in service since 1981.

Unit Blayais 1 has been operating for 45 years, since 1981. Its 3,640 MW net are enough to supply about 11,500,000 households.

Country
France
Units
4
Technology
PWR
Net capacity
3,640 MWe
First grid connection
1981
Operator
Electricité de France
Owner
Electricité de France SA
Status
Operating
Operating capacity
3,640 MWe
net electrical
Units
4
4 operating
First start-up
1981
Blayais
Photo: Wikimedia Commons · author and license

Units

UnitTypeModelStatusMWeMWtConstruction startGrid connectionClosureLoad factor
Blayais 1Pressurized water (PWR)Framatome CP1 (CP1)Operating9102,785Jan 1, 1977Jun 12, 1981—60.5 % (2024)
Blayais 2Pressurized water (PWR)Framatome CP1 (CP1)Operating9102,785Jan 1, 1977Jul 17, 1982—62.4 % (2024)
Blayais 3Pressurized water (PWR)Framatome CP1 (CP1)Operating9102,785Apr 1, 1978Aug 17, 1983—43.6 % (2024)
Blayais 4Pressurized water (PWR)Framatome CP1 (CP1)Operating9102,785Apr 1, 1978May 16, 1983—69.0 % (2024)

Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026

Blayais 1, a 910 MWe PWR (Framatome CP1 (CP1)), started construction in 1977, was connected to the grid in 1981 and is still operating, with a 60.5% load factor in 2024.

Blayais 2, a 910 MWe PWR (Framatome CP1 (CP1)), started construction in 1977, was connected to the grid in 1982 and is still operating, with a 62.4% load factor in 2024.

Blayais 3, a 910 MWe PWR (Framatome CP1 (CP1)), started construction in 1978, was connected to the grid in 1983 and is still operating, with a 43.6% load factor in 2024.

Blayais 4, a 910 MWe PWR (Framatome CP1 (CP1)), started construction in 1978, was connected to the grid in 1983 and is still operating, with a 69% load factor in 2024.

Operator: Electricité de France.

Owner: Electricité de France SA (Blayais 1, Blayais 2, Blayais 3, Blayais 4).

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