Posiva Oy is a Finnish company with headquarters in the municipality of

Eurajoki Eurajoki ( sv, Euraåminne) is a municipality of Finland located in the region of Satakunta in the province of Western Finland. The municipality has a population of () and covers an area of of which is water. The population density is . The m ...

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

. It was founded in 1995 by

Teollisuuden Voima Teollisuuden Voima Oyj (TVO; sv, Industrins Kraft Abp, Industrial Power Corporation) is a Finnish nuclear power company owned by a consortium of power and industrial companies. The biggest shareholders are Pohjolan Voima and Fortum. The company ...

(60% of stock) and

Fortum Fortum Oyj is a Finnish state-owned energy company located in Espoo, Finland. In addition to Finland, it focuses on Germany and other countries in Central Europe, Great Britain, Russia and the Nordic region. Fortum operates power plants, inc ...

(40% of stock), two Finnish nuclear plant operators, for researching and creating a method of final disposal of spent nuclear fuel from their plants. For this purpose, Posiva is currently constructing the

Onkalo spent nuclear fuel repository The Onkalo spent nuclear fuel repository is a deep geological repository for the final disposal of spent nuclear fuel. It is near the Olkiluoto Nuclear Power Plant in the municipality of Eurajoki, on the west coast of Finland. It is being constr ...

, the world's first

deep geological repository A deep geological repository is a way of storing hazardous or radioactive waste within a stable geologic environment (typically 200–1000 m deep). It entails a combination of waste form, waste package, engineered seals and geology that is suite ...

, at the Olkiluoto Nuclear Power Plant site.

References

Companies established in 1995 Eurajoki Privately held companies of Finland Radioactive waste repositories 1995 establishments in Finland {{Energy-company-stub