Nuclear power in Finland
Finland operates 5 nuclear power reactors across 3 sites, with 4.6 GW of gross capacity.
Operating
5
4.6 GW gross
Under construction
0
—
Planned
0
incl. 0 announced
Retired
0
3 cancelled
Operating fleet by type: PWR (3), BWR (2). Principal operators: Teollisuuden Voima, Fortum Power and Heat.
Position in the fuel chain
| Facility | Stage | Operator | Capacity / output |
|---|---|---|---|
| Onkalo | repository | Posiva Oy | not disclosed |
All units in Finland
| Unit | Site | Status | Type | Gross MW | Online |
|---|---|---|---|---|---|
| Loviisa nuclear power plant 1 | Loviisa nuclear power plant | PWR | 531 | 1977 | |
| Loviisa nuclear power plant 2 | Loviisa nuclear power plant | PWR | 531 | 1981 | |
| Olkiluoto nuclear power plant 1 | Olkiluoto nuclear power plant | BWR | 920 | 1979 | |
| Olkiluoto nuclear power plant 2 | Olkiluoto nuclear power plant | BWR | 920 | 1982 | |
| Olkiluoto nuclear power plant 3 | Olkiluoto nuclear power plant | PWR | 1,720 | 2022 | |
| Hanhikivi nuclear power plant 1 | Hanhikivi nuclear power plant | Cancelled | — | 1,170 | — |
| Loviisa nuclear power plant 3 | Loviisa nuclear power plant | Cancelled | — | 1,800 | — |
| Olkiluoto nuclear power plant 4 | Olkiluoto nuclear power plant | Cancelled | — | 1,830 | — |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release — CC BY 4.0 · retrieved 2026-09-06