sentences:  The national transmission grid is owned by the Fingrid corporation which for its part is owned jointly by the state, energy companies and financial investors.Major changes in the ownership of Fingrid are expected as new EU legislation will forbid energy producers from owning parts of the transmission grid.The largest electricity producers in Finland are Fortum, the state energy company, Pohjolan Voima, the energy company owned by major industries, Teollisuuden Voima, the industry-owned nuclear power company, Helsingin Energia, the power company of Helsinki City, and Vattenfall, the largest energy company of Sweden.