Flamanville
Flamanville, nuclear power plant in France, operates 3 pressurized water reactors with 4,290 MW net installed capacity and has been in service since 1986.
Unit Flamanville 1 has been operating for 40 years, since 1986. Its 4,290 MW net are enough to supply about 13,500,000 households.
- Country
- France
- Units
- 3
- Technology
- PWR
- Net capacity
- 4,290 MWe
- First grid connection
- 1986
- Operator
- Electricité de France
- Owner
- Electricité de France SA
- Status
- Operating
See also: alerts for this plant · every plant in France · Vendor: Framatome · every PWR reactor · how a PWR works

Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Flamanville 1 | Pressurized water (PWR) | P4 REP 1300 | Operating | 1,330 | 3,817 | Dec 1, 1979 | Dec 4, 1985 | — | 78.9 % (2024) |
| Flamanville 2 | Pressurized water (PWR) | P4 REP 1300 | Operating | 1,330 | 3,817 | May 1, 1980 | Jul 18, 1986 | — | 41.4 % (2024) |
| Flamanville 3 | Pressurized water (PWR) | EPR | Operating | 1,630 | 4,300 | Dec 3, 2007 | Dec 21, 2024 | — | — |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Flamanville 1, a 1,330 MWe PWR (P4 REP 1300), started construction in 1979, was connected to the grid in 1985 and is still operating, with a 78.9% load factor in 2024.
Flamanville 2, a 1,330 MWe PWR (P4 REP 1300), started construction in 1980, was connected to the grid in 1986 and is still operating, with a 41.4% load factor in 2024.
Flamanville 3, a 1,630 MWe PWR (EPR), started construction in 2007, was connected to the grid in 2024 and is still operating.
Operator: Electricité de France.
Owner: Electricité de France SA (Flamanville 1, Flamanville 2, Flamanville 3).