TVO The Company TVO in brief Ownership and finances Group structure Key figures Vision and focal areas Personnel Organization Research and development Distribution of electrical energy sources

You're here  TVO › The Company › Ownership and finances › Group structure Group structure TVO is part of the Pohjolan Voima group, whose parent company is Pohjolan Voima Oy. The Teollisuuden Voima Oyj sub-group consists of TVO itself as the parent company and joint venture company Posiva Oy (of which TVO owns 60%) and the wholly owned subsidiaries TVO Nuclear Services Oy (TVONS), Olkiluodon Vesi and Perusvoima Oy.