Fortum Oyj, together with its subsidiaries, engages in the generation and sale of electricity and heat; and provision of energy-related expert services primarily in the Nordic countries, the Russian Federation, Poland, and the Baltic Rim area. The company operates in three segments: Generation, City Solutions, and Russia. It engages in the nuclear, hydro, and thermal power production; portfolio management and trading; industrial intelligence and nuclear services; heat and power production; heat and cooling; recycled materials; district heating; electricity sale; and waste treatment businesses. The company was founded in 1998 and is headquartered in Espoo, Finland.