Olkiluoto nuclear power plant 4
Cancelled Finland
Gross capacity
1,830MW
Olkiluoto nuclear power plant 4 is a nuclear unit at Olkiluoto nuclear power plant in Finland rated at 1,830 MW gross. It is cancelled.
Specification
| Reactor type | not disclosed |
|---|---|
| Model | not disclosed |
| Size class | not disclosed |
| Coolant | not disclosed |
| Moderator | not disclosed |
| Gross capacity | 1,830MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| Typical enrichment | not disclosed |
Ownership & location
| Site | Olkiluoto nuclear power plant |
|---|---|
| Unit | 4 |
| Country | Finland |
| Coordinates | 61.2371, 21.4433 |
| Cancelled | 2015 |
Fuel chain for this unit
Fuel form
not established for this unit's type
Enrichment
not established
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utilities do not publish fuel contracts.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 Olkiluoto nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Olkiluoto nuclear power plant 1 | 920 | |
| Olkiluoto nuclear power plant 2 | 920 | |
| Olkiluoto nuclear power plant 3 | 1,720 |
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 2024-05-08
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted