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Radiation and Nuclear Safety Authority in Finland

The purpose of the Radiation and Nuclear Safety Authority’s (STUK) operations is to protect people, society, the environment and future generations from the harmful effects of radiation.

Current issue

The Radiation and Nuclear Safety Authority (STUK) has published an annual review of its 2023 operations. The review collects highlights and case examples of STUK's activities and achievements last year.

Radiation today

0.103 µSv/h
0.00 - 0.10 µSv/h
0.10 - 0.20 µSv/h
0.20 - 0.30 µSv/h
0.30 - 0.40 µSv/h
0.40 - µSv/h

Press releases and news

The Radiation and Nuclear Safety Authority (STUK) has published an annual review of its 2023 operations. The review collects highlights and case examples of STUK's activities and achievements last year.

About 40 experts from the Radiation and Nuclear Safety Authority (STUK) supervised the first annual maintenance of unit 3 of Teollisuuden Voima Oyj (TVO)'s Olkiluoto nuclear power plant. According to STUK's findings, the annual maintenance was carried out safely. TVO prioritized safety in its decision-making...

The Radiation and Nuclear Safety authority, STUK, continues processing the application for an operating permit from Posiva, which is responsible for the final disposal of spent nuclear fuel. At the same time, STUK supervises the commissioning of the plant and plans to supervise it during its use