Fessenheim nuclear power plant 1
Retired France
Gross capacity
920MW
Fessenheim nuclear power plant 1 is a pressurised water reactor unit at Fessenheim nuclear power plant in France rated at 920 MW gross. It is retired. Commercial operation began 1 Jan 1978.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | CP0 |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 920MW |
| Net capacity (reference) | 880MW |
| Net capacity (design) | 880MW |
| Thermal output | 2,785MWt |
| NSSS vendor | Framatomeall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Fessenheim nuclear power plant |
|---|---|
| Unit | 1 |
| Country | France |
| Owner | Electricité de France SA100% |
| Operator | Electricité de France |
| Coordinates | 47.9032, 7.5609 |
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utilities do not publish fuel contracts.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 Sep 1971Construction start
- 7 Mar 1977First criticality
- 6 Apr 1977Grid connection
- 1 Jan 1978Commercial operation
- 22 Feb 2020Permanent shutdown
Other units at Fessenheim nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Fessenheim nuclear power plant 2 | Retired | 920 |
Other CP0 units
6 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Bugey nuclear power plant 2 | France | 945 | |
| Bugey nuclear power plant 3 | France | 945 | |
| Bugey nuclear power plant 4 | France | 917 | |
| Bugey nuclear power plant 5 | France | 917 | |
| Fessenheim nuclear power plant 2 | France | Retired | 920 |
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