Ydinvoima
ydinvoima is Finnish for nuclear power, electricity produced by nuclear fission in reactor cores using uranium or plutonium as fuel. In Finland, nuclear power provides a large share of the country’s low‑carbon electricity and is considered a cornerstone of energy security.
Finnish nuclear facilities consist of four reactor units operating at two sites: Loviisa and Olkiluoto. Loviisa
Regulation is overseen by the Radiation and Nuclear Safety Authority (STUK), an independent national regulator that
Spent fuel is currently stored on-site, while Finland is developing a deep geological repository at Onkalo
Economics and policy: Nuclear power has been politically supported as a means to meet climate targets and