Nuclear power plants
Nuclear power plants in Finland
Finland has four nuclear power plant units in electricity production. Two of these are located in Olkiluoto, Eurajoki, and two in Loviisa. Finland’s fifth nuclear power plant unit is in Olkiluoto and the plans for constructing Finland’s sixth nuclear power plant unit in Pyhäjoki are underway.
Loviisa Nuclear Power Plant: Loviisa 1 and Loviisa 2
The two nuclear power plant units located in Hästholmen, Loviisa, are owned by Fortum Power and Heat Oy. Loviisa 1 was taken into commercial use in 1977 and Loviisa 2 in 1981. In terms of its type, the Loviisa facility is a pressurised water reactor facility. The net electric power of both units was 507 MWe at the end of 2018.
| Plant unit | Start-up | Commercial use | Nominal electric power (gross/net, MW) |
Type, supplier |
|---|---|---|---|---|
| Loviisa 1 | 8 February 1977 | 9 May 1977 | 531/507 | Pressurised water reactor (PWR), Atomenergoexport |
| Loviisa 2 | 4 November 1980 | 5 January 1981 | 531/507 | Pressurised water reactor (PWR), Atomenergoexport |
Olkiluoto nuclear power plant: Olkiluoto 1, Olkiluoto 2 and Olkiluoto 3
The three nuclear power plant units located in Olkiluoto, Eurajoki, are owned by Teollisuuden Voima Oyj (TVO). Olkiluoto 1 was taken into commercial use in 1979 and Olkiluoto 2 in 1982. In terms of its type, the Olkiluoto 1 and 2 facilities are a boiling water reactor facility. The net electric power of both units was 890 MWe at the end of 2018. The type of the Olkiluoto 3 unit is a pressurized water reactor.
| Plant unit | Start-up | Commercial use | Nominal electric power (gross/net, MW) |
Type, supplier |
|---|---|---|---|---|
| Olkiluoto 1 | 2 September 1978 | 10 October 1979 | 920/890 | Boiling water reactor (BWR), Asea Atom |
| Olkiluoto 2 | 18 February 1980 | 1 July 1982 | 920/890 | Boiling water reactor (BWR), Asea Atom |
| Olkiluoto 3 | A net electrical output approx. 1600 MW | Pressurised water reactor (EPR), Areva |
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