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
Loiste Holding Oy
Oy Mankala Ab
The company has three 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 new nuclear power plant unit, OL3. Series C entitles holders to the TVO share of the electricity produced by the Meri-Pori coal-fired power plant.
Share of stocks 1 January 2019
|A serie (OL1 & OL2)||B serie (OL3)||C serie (Meri-Pori)||Total|
|EPV Energia Oy||6.6||6.6||-||6.5|
|Fortum Power and Heat Oy||26.6||25.0||100.0||27.6|
|Loiste Holding Oy||0.1||0.1||-||0.1|
|Oy Mankala Ab||8.1||8.1||-||7.9|
|Pohjolan Voima Oyj||56.8||60.2||-||57.1|
Through its direct owners, TVO’s nuclear electricity brings wellbeing to 132 municipalities. These municipalities are shareholders in the more than 50 energy companies that serve as a route for distributing electricity from Olkiluoto throughout Finland.