Electricity is produced by power plants operated by nuclear, hydro or wind power, or various fuels. There are approximately 120 companies and 400 power plants producing electricity in Finland.
The main grid and the distribution networks transmit electricity from power plants to private homes and other users. Fingrid Oyj is in charge of the transmission of electricity over the main, national grid. The main grid transmits electricity from producers to electricity distributors and industrial companies. Electricity distribution companies distribute electrical power to homes and businesses over medium and low voltage distribution networks.