Pekka Kalevi Manninen

Suomen Hyötytuuli Oy engages in the production of wind power. It operates six wind farms in Finland. The company was founded on July 13, 1998 and headquartered in Pori, Finland.

Helen Oy engages in the production and sales of electricity. It also provides district heating and cooling, as well as energy transmission and distribution services. The company was founded in 1909 and is headquartered in Helsinki, Finland.

Teollisuuden Voima Oyj produces electricity from nuclear power. It provides services to industrial and energy companies. The company was founded on January 23, 1969 and is headquartered in Eurajoki, Finland.

EPV Energia Oy produces and supplies electricity and district heating. It generates energy from wind and nuclear power, hydropower, and domestic biofuel sources. EPV Energia serves Finnish energy companies. The company was founded on October 16, 1952 and is headquartered in Vaasa, Finland.