Finland’s first nuclear reactor is no longer classified as a nuclear facility. At the end of last year, the Radiation and Nuclear Safety Authority concluded that the dismantling and decontamination of the Otaniemi research reactor from all radioactive materials had been completed. The building can now be r...
Radiation safety
The goal of our operations is a radiation-safe Finland. Radiation safety is created as a result of the work of people who know their responsibilities. We work in good cooperation with other authorities, organizations and the entire surrounding society, both in Finland and internationally.
Current issues
5.3.2026
Press release
Espoo’s nuclear reactor is now decommissioned, and the site has been cleaned of radioactivity
16.2.2026
News item
Nuclear Safety Is a ‘Common Good’ for European Citizens, Conclude Heads of the French and Finnish Nuclear Regulators
STUK and ASNR, the nuclear and radiation safety authorities in Finland and France, met for bilateral discussions in Vantaa and Olkiluoto from February 11th to February 13th.