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STUK decision on the Loviisa nuclear power plant’s periodic safety review

29 April 2022, 13:47 EEST

Loviisa power plant, Finland

The Finnish Radiation and Nuclear Safety Authority (STUK) has issued its decision on Fortum Power and Heat Oy’s periodic safety review of the Loviisa power plant submitted in 2020.

In its decision STUK states that Fortum has ensured the safety of the Loviisa 1 and 2 nuclear power plant units in accordance with the effective provisions, for the parts that are applicable to operating facilities, and the licensee has the required capabilities, procedures, competence and resources to continue safe operations through the end of the current operating license.

In December 2021 STUK issued its decision on the periodic safety review of the final disposal facility for Loviisa power plant’s low- and intermediate-level radioactive waste.

Loviisa power plant’s goal over the course of its operating history has been to ensure the continuous improvement of plant safety. Fortum has updated and renovated the plant significantly and implemented extensive modifications of its components, systems and structures in order to replace aging plant components and to improve safety. Fortum also has the necessary action plans to continue development of the plant to ensure safe operation of the Loviisa nuclear power plant until the expiry of the operating licence.

Regarding the new operating license application, STUK will assess the prerequisites separately.

Further information:
Thomas Buddas, Director of Nuclear Safety, Loviisa nuclear power plant, tel. +358 10 455 3710

Loviisa nuclear power plant
In 2021, the load factor at Fortum’s fully-owned Loviisa nuclear power plant was 92.9%. The continuous development and modernisation of the power plant enable load factors that are among the best for pressurised water reactors on an international scale. During the past five years Fortum’s investments in the Loviisa power plant have totalled about EUR 325 million. In 2021, the power plant produced a total of 8.2 terawatt hours (net) of electricity, which is more than 10% of Finland’s electricity production. Fortum employs about 700 nuclear sector professionals, 530 of them work at the Loviisa power plant. Additionally, nearly 100 permanent employees of other companies work in the power plant area every day. More information: