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's People

Posiva employs around 100 people. The company had a turnover of some EUR 116,8 million in 2022 and is headquartered in Olkiluoto, Finland in the municipality of Eurajoki. The personnel works in three locations: Main Office in Olkiluoto, ONKALO Project Office in Olkiluoto and Helsinki office.

Posiva's Owners

Posiva is owned by Teollisuuden Voima Oyj (60%) and Fortum Power & Heat Oy (40%), both of which share the cost of nuclear waste management.

Extensive Co-operation

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.

Posiva Oy

The Olkiluoto office focuses on engineering, maintenance, and environmental expertise for nuclear and energy-related projects.

Olkiluoto

Ilkka Poikolainen

This department focuses on the study and analysis of the Earth's structure, composition, and processes.

Geoscience Department

This department focuses on the design, implementation, and maintenance of automated systems and engineering solutions.

Engineering Services

This department oversees the planning, coordination, and management of organizational operations to ensure efficiency and effectiveness.

Operations Management

This department oversees and coordinates various projects to ensure successful execution and delivery.

Program Management

This department oversees safety protocols and long-term safety strategies for engineered barriers.

Safety Management

This department focuses on the design, implementation, and maintenance of systems to enhance technical operations.

Posiva Oy

Org chart

Teams

Geoscience Department

Engineering Services

Operations Management

Program Management

Safety Management

Systems Development

Offices

Posiva Oy

Org chart

Teams

Geoscience Department

Engineering Services

Operations Management

Program Management

Safety Management

Systems Development

Offices

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