Posiva

Posiva Oy is a Finnish company with headquarters in the municipality of Eurajoki, Finland. It was founded in 1995 by Teollisuuden Voima (60% of stock) and Fortum (40% of stock),^[1] two Finnish nuclear plant operators, for researching and creating a method of final disposal of spent nuclear fuel from their plants.^[2][3][4]

Posiva

Company type	Oy
Industry	Energy
Founded	1995 (1995)
Headquarters	Eurajoki, Finland
Products	Nuclear waste management
Owner	Teollisuuden Voima and Fortum
Website	www.posiva.fi/en/

For this purpose, Posiva is currently constructing the Onkalo spent nuclear fuel repository, the world's first deep geological repository, at the Olkiluoto Nuclear Power Plant site.