Olkiluoto nuclear power plant

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Olkiluoto nuclear power plant is an operating nuclear power plant in Satakunta, South-Western Finland, Finland.

Project Details

Table 1: Unit-level project details for Olkiluoto nuclear power plant

Unit name	Status	Commissioning year	Cancellation year	Nameplate capacity	Reactor type	Model	Owner	Operator
1	Operating	1979	–	920 MW	Boiling water reactor	AA-III, BWR-2500	Teollisuuden Voima Oyj [100%]	Teollisuuden Voima
2	Operating	1982	–	920 MW	Boiling water reactor	AA-III, BWR-2500	Teollisuuden Voima Oyj [100%]	Teollisuuden Voima
3	Operating	2022	–	1720 MW	Pressurized water reactor	EPR	Teollisuuden Voima Oyj [100%]	Teollisuuden Voima
4	Cancelled	–	2015	1830 MW	Unknown	unknown	–	–

Table 2: Additional unit-level timeline details for Olkiluoto nuclear power plant

Unit name	Construction start	First criticality (more info)	First grid connection	Commercial operation
1	February 1, 1974	July 21, 1978	September 2, 1978	October 10, 1979
2	November 1, 1975	October 13, 1979	February 18, 1980	July 10, 1982
3	August 12, 2005	December 21, 2021	March 12, 2022	2022

Table 3: Additional unit-level capacity details for Olkiluoto nuclear power plant

(Read more about nuclear capacity definitions.)

Unit name	Reference net capacity	Design net capacity	Thermal capacity
1	890 MW	660 MW	2500 MWt
2	890 MW	660 MW	2500 MWt
3	1600 MW	1600 MW	4300 MWt

Location

Table 4: Unit-level location details for Olkiluoto nuclear power plant

Unit name	Location	Coordinates (WGS 84)
1	Satakunta, South-Western Finland, Satakunta, Finland	61.2371, 21.4433 (exact)
2	Satakunta, South-Western Finland, Satakunta, Finland	61.2371, 21.4433 (exact)
3	Satakunta, South-Western Finland, Satakunta, Finland	61.2356, 21.4372 (exact)
4	Satakunta, South-Western Finland, Satakunta, Finland	61.2371, 21.4433 (exact)

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Additional data

To access additional data, including an interactive map of global nuclear power plants, a downloadable dataset, and summary data, please visit the Global Nuclear Power Tracker on the Global Energy Monitor website.