TVO has a 45 percent holding in the Meri-Pori coal-fired power plant owned and operated by Fortum Power and Heat Oy. The Meri-Pori power plant is located on the Tahkoluoto Island in Pori, Finland. In June, TVO and its shareholders agreed on ownership arrangements of shares entitling to a share of Meri-Pori power plant's production capacity. According to the agreement signed in June, Fortum will acquire TVO’s shareholders' shares of the production capacity of the Meri-Pori power plant. Fortum will be entitled to use TVO's share of the Meri-Pori capacity as of the beginning of 2019, and TVO will relinquish its share in Meri-Pori in full in the beginning of July 2020.