Sellafield (Hitachi) nuclear power plant 1
Cancelled United Kingdom
Gross capacity
311MW
Sellafield (Hitachi) nuclear power plant 1 is a fast reactor unit at Sellafield (Hitachi) nuclear power plant in United Kingdom rated at 311 MW gross. It is cancelled.
Specification
| Reactor type | Fast reactor (FBR) |
|---|---|
| Model | PRISM |
| Size class | Large |
| Coolant | Liquid sodium or lead |
| Moderator | None |
| Gross capacity | 311MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| Typical enrichment | 15–20% fissile, or plutonium |
Ownership & location
| Site | Sellafield (Hitachi) nuclear power plant |
|---|---|
| Unit | 1 |
| Country | United Kingdom |
| Owner | GE Hitachi Nuclear Energy100% |
| Coordinates | 54.4224, -3.4868 |
| Cancelled | 2012 |
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utilities do not publish fuel contracts.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.
Other units at Sellafield (Hitachi) nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Sellafield (Hitachi) nuclear power plant 2 | Cancelled | 311 |
Other PRISM units
2 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Sellafield (Hitachi) nuclear power plant 2 | United Kingdom | Cancelled | 311 |
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 2024-05-17
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted