TVO Group

Teollisuuden Voima Oyj (TVO) is a non-listed public limited liability company. TVO's majority shareholder is Pohjolan Voima Oyj with a 58.5 percent shareholding in TVO. TVO is a joint venture of Pohjolan Voima.

The Teollisuuden Voima Group comprises subsidiaries TVO Nuclear Services Oy (TVONS) and nuclear waste management company Posiva Oy. TVO Nuclear Services Oy (TVONS) is a subsidiary fully owned by TVO. Posiva Oy is jointly owned by TVO and Fortum, TVO's shareholding being 60 %. Posiva Solutions Oy is a fully-owned subsidiary of Posiva Oy.

The other owner companies are:

  • EPV Energia Oy
  • Fortum Power and Heat Oy
  • Kemira Oyj
  • Oy Mankala Ab.

The company has two series of shares. Series A entitles holders to the electricity produced by the current nuclear power plant units, OL1 and OL2. Series B entitles holders to the electricity to be produced by the nuclear power plant unit, OL3.

Share of stocks 1 July 2021
A series (OL1 & OL2) B series (OL3) Total
EPV Energia Oy 6.6 6.6 6.6
Fortum Power and Heat Oy 26.6 25.0 25.8
Kemira Oyj 1.9 - 0.9
Oy Mankala Ab 8.2 8.2 8.2
Pohjolan Voima Oyj 56.8 60.2 58.5
100 100 100

The figures in the chart are percentages (%).

Through its direct owners, TVO’s nuclear electricity brings wellbeing to 131 municipalities. These municipalities are shareholders in the more than 50 energy companies that serve as a route for distributing electricity from Olkiluoto throughout Finland.