Stefan Vilhelm Storholm

Katternö Oy engages in the production of energy. It supplies electricity and district heating. The company was founded in 1955 and is headquartered in Pietarsaari, Finland.

Alholmens Kraft Oy AB produces electricity, processes steam. It also produces district heating for the inhabitants of Jakobstad (60 MWdh) and process steam and heat for the UPM Kymmene plant in Jakobstad (100 MWth). The company was founded in 1997 and is headquartered in Pietarsaari, Finland.

Voimaosakeyhtiö SF OY provides electricity services. It distributes electricity to industrial and food companies, and Finnish energy companies. The company is headquartered in Helsinki, Finland

Fennovoima Oy engages in the production of electricity. The company was founded in 2007 and is headquartered in Helsinki, Finland.

VEO Oy engages in the development of automation, drives and power distribution solutions. It operates through the following segments: Hydropower, Wind Power, Industry, Thermal Power, Marine, Engine and Hybrid Power. The Hydropower segment offers both turnkey deliveries, and modernization projects for hydropower plants. The Wind Power segment focuses on turnkey deliveries of applications connecting wind farms to the grid. The Industry segment serves customers operating in industries such as pulp and paper, marine, mining, minerals and metals, petrochemical, and discrete manufacturing. The Thermal Power segment enhances combined heat and power (CHP) production and promotes environmentally friendly solutions. The Marine segment includes main and distribution switchboards, motor control centres, electric drives applications, generators and marine thrusters, and winches. The Engine and Hybrid Power segment leverages synergies between multiple power sources, from oil and gas engine power plants to solar power systems. The company was founded on December 6, 1989 and is headquartered in Vaasa, Finland.

Perhonjoki Oy Ab produces and distributes electricity. The company was founded on July 26, 1957 and is headquartered in Pietarsaari, Finland.

FJELLKRAFT AS is the second largest developer of hydroelectric power gentle, with a large number of small power projects across the country. The firm has no ties to either equipment suppliers, banks, power of buyers or the like. The company's employees have extensive experience from various disciplines in the electricity market, the private sector and public administration. This enables customers to act quickly and correctly, and use the opportunities that a changing energy market has to offer. The company was established in 2003 by its two founders, Thorstein Jenssen and Halvor Vislie, three private investors with a long history of Norwegian power industry, and Selvaag Invest. The company's purpose was then, as today, to invest in new, environmentally friendly hydropower production.

Härjedalens Miljöbränsle AB supplies dry biofuel. Its products are pellets and briquettes based on wood and peat as raw material. The firm's customers are energy companies, municipalities, industrial,and residential customers. The company was founded in 1989 and is headquartered in Sveg, Sweden.