Posiva is an Expert Organisation in Nuclear Waste Management
Posiva Oy is an expert organisation responsible for the final disposal of spent nuclear fuel of the owners. Posiva has been established in 1995.
Posiva employs around 100 people. The company had a turnover of some EUR 73 million in 2018 and is headquartered in Olkiluoto in the municipality of Eurajoki. The personnel works in two locations: Main Office in Olkiluoto and ONKALO Project Office in Olkiluoto.
Posiva is owned by Teollisuuden Voima Oyj (60%) and Fortum Power & Heat Oy (40%), both of which share the cost of nuclear waste management.
Posiva works together with numerous Finnish and foreign expert organisations from a multitude of fields, and commissions studies related to nuclear waste management from universities and other institutions of higher education as well as from research institutes and consulting businesses.