Sweden · 60.403, 18.174Forsmark
Forsmark, nuclear power plant in Sweden, operates 3 boiling water reactors with 3,397 MW net installed capacity and has been in service since 1980.
It is the highest-capacity nuclear plant in Sweden. Unit Forsmark 1 has been operating for 46 years, since 1980. Its 3,397 MW net are enough to supply about 10,700,000 households.
- Country
- Sweden
- Units
- 3
- Technology
- BWR
- Net capacity
- 3,397 MWe
- First grid connection
- 1980
- Operator
- Forsmark Kraftgrupp
- Owner
- Forsmark Kraftgrupp AB
- Status
- Operating
See also: alerts for this plant · every plant in Sweden · Vendor: ASEA-Atom / ABB Atom · every BWR reactor · how a BWR works
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Forsmark 1 | Boiling water (BWR) | ASEA-Atom BWR, generation III (AA-III) | Operating | 1,104 | 3,234 | Jun 1, 1973 | Jun 6, 1980 | — | 88.5 % (2024) |
| Forsmark 2 | Boiling water (BWR) | ASEA-Atom BWR, generation III (AA-III) | Operating | 1,121 | 3,253 | Jan 1, 1975 | Jan 26, 1981 | — | 75.5 % (2024) |
| Forsmark 3 | Boiling water (BWR) | ASEA-Atom BWR, generation IV (AA-IV) | Operating | 1,172 | 3,300 | Jan 1, 1979 | Mar 5, 1985 | — | 58.9 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Forsmark 1, a 1,104 MWe BWR (ASEA-Atom BWR, generation III (AA-III)), started construction in 1973, was connected to the grid in 1980 and is still operating, with a 88.5% load factor in 2024.
Forsmark 2, a 1,121 MWe BWR (ASEA-Atom BWR, generation III (AA-III)), started construction in 1975, was connected to the grid in 1981 and is still operating, with a 75.5% load factor in 2024.
Forsmark 3, a 1,172 MWe BWR (ASEA-Atom BWR, generation IV (AA-IV)), started construction in 1979, was connected to the grid in 1985 and is still operating, with a 58.9% load factor in 2024.
Operator: Forsmark Kraftgrupp.
Owner: Forsmark Kraftgrupp AB (Forsmark 1, Forsmark 2, Forsmark 3).