France · 50.090, 4.787Chooz
Chooz, nuclear power plant in France, operates 2 pressurized water reactors with 3,000 MW net installed capacity and has been in service since 1967.
Unit Chooz B-2 has been operating for 26 years, since 2000. Its 3,000 MW net are enough to supply about 9,450,000 households.
- Country
- France
- Units
- 3
- Technology
- PWR
- Net capacity
- 3,000 MWe
- First grid connection
- 1967
- Operator
- Societe D'Energie Nucleaire Franco-Belge Des Ardennes · 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 |
|---|---|---|---|---|---|---|---|---|---|
| Chooz A | Pressurized water (PWR) | CHOOZ-A | Shut down | 305 | 1,040 | Jan 1962 | Apr 1967 | Oct 1991 | — |
| Chooz B-1 | Pressurized water (PWR) | N4 REP 1450 | Operating | 1,500 | 4,270 | Jan 1, 1984 | Aug 30, 1996 | — | 65.5 % (2024) |
| Chooz B-2 | Pressurized water (PWR) | N4 REP 1450 | Operating | 1,500 | 4,270 | Dec 31, 1985 | Apr 10, 1997 | — | 52.7 % (2024) |
Data: IAEA PRIS · Global Energy Monitor · Wikipedia · updated on Sep 17, 2026
Chooz A, a 305 MWe PWR (CHOOZ-A), started construction in 1962 and operated from 1967 to 1991.
Chooz B-1, a 1,500 MWe PWR (N4 REP 1450), started construction in 1984, was connected to the grid in 1996 and is still operating, with a 65.5% load factor in 2024.
Chooz B-2, a 1,500 MWe PWR (N4 REP 1450), started construction in 1985, was connected to the grid in 1997 and is still operating, with a 52.7% load factor in 2024.
Operator: Societe D'Energie Nucleaire Franco-Belge Des Ardennes (Chooz A) · Electricité de France (Chooz B-1, Chooz B-2).
Owner: Electricité de France SA (Chooz A, Chooz B-1, Chooz B-2).