Superphénix nuclear power plant
Retired France
Gross capacity
1,242MW
Superphénix nuclear power plant is a fast reactor unit at Superphénix nuclear power plant in France rated at 1,242 MW gross. It is retired. Commercial operation began 1 Dec 1986.
Specification
| Reactor type | Fast reactor (FBR) |
|---|---|
| Model | Na-1200 |
| Size class | Large |
| Coolant | Liquid sodium or lead |
| Moderator | None |
| Gross capacity | 1,242MW |
| Net capacity (reference) | 1,200MW |
| Net capacity (design) | 1,200MW |
| Thermal output | 3,000MWt |
| Typical enrichment | 15–20% fissile, or plutonium |
Ownership & location
| Site | Superphénix nuclear power plant |
|---|---|
| Unit | not stated |
| Country | France |
| Owner | Electricité de France SA100% |
| Operator | Electricité de France |
| Coordinates | 45.7613, 5.4701 |
Fuel chain for this unit
Fuel form
Mixed oxide or metallic fuel
Enrichment
15–20% fissile, or plutonium
Who makes this assembly
- TVEL Fuel Company Fast reactor fuel, including MOX
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utilities do not publish fuel contracts.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
- 13 Dec 1976Construction start
- 7 Sep 1985First criticality
- 14 Jan 1986Grid connection
- 1 Dec 1986Commercial operation
- 31 Dec 1998Permanent shutdown
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