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Radiation and Nuclear Safety Authority of Finland

The Radiation and Nuclear Safety Authority is an independent authority and expert organization whose task is to advance and supervise radiation safety and the safe use of nuclear energy in Finland.

Current issue

The submission of the Radiation and Nuclear Safety Authority’s (STUK) safety statement and the accompanying safety assessment to the Ministry of Economic Affairs and Employment regarding Posiva’s operating licence application for its spent nuclear fuel disposal facility has been delayed sinc...

Radiation today

0.125 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 submission of the Radiation and Nuclear Safety Authority’s (STUK) safety statement and the accompanying safety assessment to the Ministry of Economic Affairs and Employment regarding Posiva’s operating licence application for its spent nuclear fuel disposal facility has been delayed sinc...

The Radiation and Nuclear Safety Authority has published a summary report of an international safety review of the Finnish company Steady Energy's LDR-50 nuclear power plant concept. The published report complements the assessment of the plant concept previously completed by the Radiation and Nuclear Safety Authority by compiling...

Thousands of people in different fields, from health care to industry and air transport, work with radiation in Finland. The majority of people in such professions are exposed to very low levels of radiation. The level of exposure is often significantly lower than exposure caused by natural background radiation