Chooz nuclear power plant A
Retired France
Gross capacity
320MW
Chooz nuclear power plant A is a pressurised water reactor unit at Chooz nuclear power plant in France rated at 320 MW gross. It is retired. Commercial operation began 15 Apr 1967.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | CHOOZ-A |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 320MW |
| Net capacity (reference) | 305MW |
| Net capacity (design) | 280MW |
| Thermal output | 1,040MWt |
| NSSS vendor | not on record |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Chooz nuclear power plant |
|---|---|
| Unit | A |
| Country | France |
| Owner | Electricité de France SA100% |
| Operator | Societe D'Energie Nucleaire Franco-Belge Des Ardennes |
| Coordinates | 50.0901, 4.7872 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- China National Nuclear Corporation PWR fuel assemblies
- ENUSA Industrias Avanzadas PWR and BWR fuel assemblies
- Framatome PWR fuel assemblies
- KEPCO Nuclear Fuel PWR fuel assemblies
- Mitsubishi Heavy Industries PWR fuel assemblies
- Westinghouse Electric Company PWR fuel assemblies
Upstream
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Fabricator capability is recorded against reactor type and model line, not against named units,
utilities do not publish fuel contracts. See the fuel chain.
Timeline
- 1 Jan 1962Construction start
- 18 Oct 1966First criticality
- 3 Apr 1967Grid connection
- 15 Apr 1967Commercial operation
- 30 Oct 1991Permanent shutdown
Other units at Chooz nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Chooz nuclear power plant B-1 | 1,560 | |
| Chooz nuclear power plant B-2 | 1,560 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release , CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2024-05-15
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data