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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 the main international responsibility for providing expert support related to radiation and nuclear threats to the European Emergency Response Coordination Centre (ERCC) until the end of January 2024. In practice, the respon...

Radiation today

You can also find up-to-date information on the radiation situation
on page 867 of Yle Text TV.

Press releases and news

The Radiation and Nuclear Safety Authority (STUK) has the main international responsibility for providing expert support related to radiation and nuclear threats to the European Emergency Response Coordination Centre (ERCC) until the end of January 2024. In practice, the respon...

The Radiation and Nuclear Safety Authority has reviewed the safety assessment of Teollisuuden Voima Oyj’s final disposal facility. Based on the review, the disposal of low and intermediate-level waste into the disposal facility is safe and the operation of the disposal facility can be continued until the end of 205...

On 21 June 2023, Teollisuuden Voima (TVO) informed the Radiation and Nuclear Safety Authority (STUK) that on Tuesday, 20 June 2023, unit 3 (OL3) of the Olkiluoto nuclear power plant deviated from the minimum number of control room personnel for slightly less than two hours. The minimum number of control room personnel has been c...