About STUK

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. In this section, you can read about STUK’s operations.

Current issues

The Radiation and Nuclear Safety Authority is involved in cooperation where the safety of a small modular reactor (SMR) in planning phase is assessed by the nuclear safety authorities of different countries. The final report of the project has just been published. The cooperation also provided Finns with tools f...

A drone operator holds a source of radiation in their hands. The amount of power required for controlling a drone can be quite small. The necessary power is far too small in quantity to warm the operator’s tissue or to have other effects.