This chapter contains a brief presentation of all 67 Voimaosakeyhtiö SF shareholders. They are given in alphabetical order.

If the holding entitling to electricity at cost price is fully owned by a subsidiary of a shareholder, the name of the subsidiary is given parentheses after the name of the parent company.

Voimaosakeyhtiö SF has altogether 67 owners. Owners marked with a * have announced that they will no longer take part in financing Fennovoima's nuclear power plant project.



Oy Aga Ab* produces and markets industrial and special gases and related technology and services. In the production of industrial gases, electricity is used for cooling and compression and for running various pumps and blowers. The company's net sales in 2007 totaled EUR 170 million. AGA belongs to The Linde Group, the leading gas supplier in the world. AGA employs some 400 people in Finland.

Alajärven Sähkö Oy is engaged in the retail sale and transmission of electricity and is owned by its customers.

Atria Oyj* is a listed company in the food sector, engaged in meat processing and ready meals. Energy is an important resource in Atria's high quality production, required for instance to power cold storage equipment. Atria net sales in 2007 totaled approximately EUR 1,300 million. The company employs some 6,000 people, of which about 2,400 in Finland.

Boliden Harjavalta Oy* belongs to the Boliden Group of Sweden. Based in Harjavalta, the company engages in copper processing and nickel concentrate smelting and also manufactures copper cathodes in Pori. The industry is highly energy intensive; the company needs electricity for melting copper and for electrolytic copper production. The company's net sales in 2007 totaled EUR 140 million, and personnel numbered just over 400.

Boliden Kokkola Oy* is the second largest zinc plant in Europe and the fourth largest in the world. Boliden Kokkola belongs to the Boliden Group. Zinc production is highly energy intensive despite the fact that the plant has an efficient and environmentally friendly production process. The electrolytic stage in particular consumes much electricity. Boliden Kokkola is the largest private sector employer in the town of Kokkola, with a personnel of about 600. The company's net sales in 2007 totaled approximately EUR 270 million.

Componenta plc* is an international metal industry group listed on the Helsinki Stock Exchange. Componenta manufactures metal industry components and assemblies. Component manufacture requires a great deal of energy due to the properties of iron and aluminum; working iron requires a temperature of more than 1,500 degrees Celsius. The company's net sales in 2007 totaled approximately EUR 640 million. Componenta has some 5,100 employees, about one fifth of which are employed in Finland. Its headquarters and most of its production units are located in Finland.

Esse Elektro Kraft Ab* is a privately owned company engaged in producing, transmitting and selling energy in South Ostrobothnia.

Etelä-Savon Energia Oy* is an energy company owned by the City of Mikkeli and engaged in producing, transmitting and selling electricity and district heating in the Mikkeli area; it also sells electricity nationwide.

Finnfoam Oy (4Capes Oy)*

is a Finnish family business that manufactures heat insulation. The company's net sales in 2007 totaled approximately EUR 50 million. The company employs about 40 people.

Haminan Energia Oy is an energy company owned by the City of Hamina engaging in the maintenance and operation of electricity, natural gas, district heating and telecommunications networks and in producing electricity, district heating and energy solutions.

Haukiputaan Sähköosuuskunta has concentrated in serving electricity users in Haukiputaa and Kello. There are about 6000 members. Oulun Sähkönmyynti Oy is the responsible electricity seller in the area, and Haukiputaan Sähköosuuskunta has 6,33 % of it.

Oy Herrfors Ab produces, sells and distributes electricity and district heating to customers in Maksamaa, Oravainen, Teerijärvi, Ylivieska, Alavieska and part of Pedersöre. Herrfors belongs to the Katternö Group owned by energy companies in Central Ostrobothnia.

Imatran Seudun Sähkö Oy is an electricity production, distribution and sales company in the Imatra area, owned principally by its household and corporate customers and municipalities in the area.

Itä-Lapin Energia Oy* is a company owned by the City of Kemijärvi and the Municipalities of Salla, Pelkosenniemi and Savukoski engaging in the administration of shares in electricity production. It is a subsidiary of Koillis-Lapin Sähkö Oy.

Jylhän Sähköosuuskunta is an electricity cooperative in Kauhava engaging in the production, sales and transmission of electricity. The cooperative is owned by 1,100 private individuals in Kauhava.

Kemin Energia Oy* is a company owned by the City of Kemi whose services include electricity transmission and district heating sales.

Keminmaan Energia Oy is an energy company owned by Keminmaa municipality. Its field of activity covers distributing electricity as well as producing and distributing district heating.

Keravan Energia Oy is an energy company owned by the City of Kerava and the Municipality of Sipoo. It is principally engaged in electricity and district heating production and distribution.

Kestra Kiinteistöpalvelut Oy takes care of K-Groups electricity supply. Kesko is a retail trade conglomerate operating in the Baltic Sea area. Kesko is active in the food, hardware, department store, agricultural and machinery retail trade. Kesko and K-retailers form the K-Group, whose retail sales totalled about EUR 12 billion in 2012. K-Group employs some 45,000 people.  K-Group is a major consumer of electricity, accounting for about 1% of Finland's total electricity consumption. The company's energy needs stem from the maintenance of properties and the operating of cold storage equipment.

Koillis-Satakunnan Sähkö Oy sells and distributes electricity in an area at the junction of South Ostrobothnia, Central Finland and the Tampere Region. It is municipally owned by the municipalities of Virrat, Ähtäri, Alavus, Töysä, Keuruu ja Kihniö.

Kokemäen Sähkö Oy is a company in Kokemäki engaging in electricity sales and distribution.

Kotkan Energia Oy* is an energy company wholly owned by the City of Kotka; its main products are district heating, electricity and industrial steam. Kotkan Energia also sells natural gas to industry.

Kruunupyyn Sähkölaitos is the electricity utility of the Municipality of Kruunupyy, procuring and distributing electricity in the Kruunupyy area.

KSS Energia Oy is an energy company owned by the City of Kouvola and engaging in the production, sales and transmission of electricity and district heating.

Kuopion Energia Oy*

is an energy company owned by the City of Kuopio, supplying its customers with electricity and district heating.

Kuoreveden Sähkö Oy is a local electricity company that sells and produces electricity for customers in its area and is responsible for electricity transmission.

Köyliön-Säkylän Sähkö Oy produces and sells electricity in the municipalities of Säkylä, Köyliö and Eura. The company has some 200 shareholders.

Lahti Energia Oy is an energy company owned by the City of Lahti and engaging in the procurement and distribution of electricity, district heating and natural gas to its customers.

Lammaisten Energia Oy is a mainly privately owned energy company. Its field of activity includes producing, selling and distributing electricity. The company operates in Satakunta.

Lankosken Sähkö Oy* is a local electricity producer owned by its customers and municipalities; it also distributes and sells electricity in its network area in northern Satakunta and Ostrobothnia.

Lehtimäen Sähkö Oy manages electricity distribution and sales in its network area in Lehtimäki.

Leppäkosken Sähkö Oy* is a group of mainly privately owned companies in the Tampere Region, selling and distributing electricity, district heating and natural gas to its customers.

Myllyn Paras Oy produces and markets flours, flakes, groats and pasta, and also frozen dough and bakery products. The family-owned company has two plants in Hyvinkää. It employs just over 100 people, and its net sales in the financial period that ended in summer 2008 totaled EUR 40 million.

Mäntsälän Sähkö Oy is a company owned by the Municipality of Mäntsälä engaging in the production, transmission and sales of electricity, district heating and natural gas in the Uusimaa region.

Nurmijärven Sähkö Oy (Nurmijärven Sähkönmyynti Oy) is a local energy company owned by the Municipality of Nurmijärvi engaging in the sales of electricity and district heating.

Naantalin Energia Oy is a local electricity company owned by the Municipality of Naantali. It distributes electricity in its network area to 5500 customers. Altogether the company distributes 130 GWh electricity yearly. The company also sells electricity outside its field of activity, emphasizing in the close areas. The company is 100 years old in 2012.

Omya Oy* is the Finnish subsidiary of the international Omya Group, which manufactures and markets high grade calcium carbonate and other industrial raw materials. The company's products are used as paper filler and coating and as functional components in plastics, rubber, paints and glues. The products are also suitable for the construction material industry, the process industry and agriculture. Omya is a privately owned company that employs 80 people in Finland.

Keskusosuuskunta Oulun Seudun Sähkö is a central cooperative formed by twelve electricity cooperatives and three other organizations. Its purpose is to produce electricity that its member cooperatives in the Oulu area then sell to their customers.

Outokummun Energia Oy* is a company owned by the City of Outokumpu; its services include electricity supply, network services and heating supply.

Outokumpu plc is an international listed company that manufactures stainless steel. The manufacture of stainless steel is energy intensive even though the production facilities are modern, because smelting the raw materials in an electric arc furnace requires a lot of electricity. In Finland, Outokumpu also produces the most important additive to stainless steel, ferrochromium, and it aims to expand this production. Ferrochromium production is highly energy intensive, 30% to 35% of its production costs being accounted for by the cost of electricity. The net sales of Outokumpu plc in 2007 totaled EUR 6.9 billion, of which 95% came from outside Finland. Outokumpu employs 8,100 people worldwide, of which about one third in Finland. Its largest shareholder is the Finnish government with a holding of about 40%.

Ovako Imatra Oy Ab* belongs to the Ovako Group. Ovako manufactures long special steel elements for the vehicle and mechanical engineering industries. Its main market areas are the Nordic countries and Europe. Special steel is manufactured by smelting recycled steel in electric arc furnaces. Ovako Group net sales in 2007 totaled EUR approximately 1.5 billion. Ovako has 4,300 employees.

Paneliankosken Voima Oy is a mainly privately owned company that produces, distributes and sells electricity at Panelia.

Parikkalan Valo Oy is a customer-owned company that sells and transmits electricity in and near Parikkala.

Pietarsaaren Energialaitos is an energy utility owned by the City of Pietarsaari, engaging in the distribution of electricity in Pietarsaari and neighboring municipalities and in the production of district heating in Pietarsaari.

Porvoon Energia Oy – Borgå Energi Ab is a company owned by the City of Porvoo, engaging in the production, distribution and sales of electricity, district heating and natural gas.

Raahen Energia Oy is an energy company owned by the City of Raahe. It distributes electricity network and district heating services to the people of Raahe.

Rantakairan Sähkö Oy is a company in Simo, owned by its customers, engaging in the production, distribution and sales of electricity to consumers in Simo and Kuivaniemi.

Rauman Energia Oy is an energy company owned by the City of Rauma, providing electricity and district heating services.

Rautaruukki plc supplies metal-based components, systems and assemblies for the construction and mechanical engineering industries. The company has a wide range of metal products and services. The manufacture and refining of iron and steel consume significant amounts of electricity. Rautaruukki operates in 25 countries and has about 15,000 employees, of which about 7,500 in Finland. The company's net sales in 2007 totaled EUR 3.9 billion, of which about 60% came from Finland and the other Nordic countries. The company's shares are listed. The company uses the trade name 'Ruukki'.

Rovakairan Tuotanto Oy* is an electricity production company owned by the City of Rovaniemi and the Municipalities of Kittilä and Sodankylä.

Sallila Energia Oy is a privately owned energy company that procures, distributes and sells electricity in its operating area in Kanta-Häme.

Seinäjoen Energia Oy is a corporation owned by the City of Seinäjoki engaging in the production and sales of electricity and district heating.

S Group* retail trade conglomerate is formed by Suomen Osuuskauppojen Keskuskunta (SOK) and its subsidiaries and 22 regional cooperative stores. The S Group is engaged in the supermarket trade, service stations and vehicle fuel sales, department stores and specialist stores, the hotel and restaurant sector, the vehicle and vehicle component trade and the agricultural trade. The S Group employs more than 38000 service professionals and has more than 1600 stores and service points in Finland. The maintenance of a geographically broad and extensive service network requires considerable amounts of electricity. The retail sales of the S Group in 2007 totaled EUR 10.5 billion. 20 out of 22 regional cooperatives of S Group take part in Fennovoima.

Talvivaaran Kaivososakeyhtiö Oyj*

is an internationally important producer of basic medals which mainly focuses on production of nickel and zink. The Talvivaara polymetallic deposits in Sotkamo comprise one of the largest known sulphide nickel resources in Europe, sufficient to support an anticipated production for at least 46 years. Talvivaara's shares are listed on the main market of the London Stock Exchange and Nasdaq OMX Helsinki. The company is included in FTSE 250 index in London Stock Exchange.

Tammisaaren Energia* is a utility owned by the City of Tammisaari engaging in the sales of electricity nationwide, the transmission of electricity in the city center of Tammisaari and the production, sales and transmission of district heating in Tammisaari and Karjaa.

Tornion Energia Oy is an energy company owned by the City of Tornio. Its core business consists of distributing electricity and district heating to its customers affordably, trustworthily and economically. The company engages distributing electricity as well as selling and distributing district heating.

Oy Turku Energia – Åbo Energi Ab is an energy corporation owned by the City of Turku; its core business consists of electricity and heating production, transmission and sales.

Uudenkaarlepyyn Voimalaitos is a utility owned by the City of Uusikaarlepyy engaging in the production and sales of electricity and heating.


Vaasan Sähkö* is an energy corporation that produces heat and electricity to its clients. Their energy comes mainly from Vaasan Sähkö’s own energy production as well as through ownerships of other power companies.

Vakka-Suomen Voima Oy (VSV Energiapalvelu Oy) engages in the production and sales of electricity. The majority of the company's shares are owned by private shareholders.

Valio Oy is a company owned by Finnish dairy producers engaging in the processing and marketing of mainly milk-based products. Valio's net sales total approximately EUR 1.7 billion, of which two thirds comes from Finland. The delivery of high quality products to customers requires electricity for refrigeration and for the operation of process equipment. Valio employs some 3,500 people in Finland.

Valkeakosken Energia Oy is a company owned by the City of Valkeakoski engaging in the delivery of electricity, district heating and natural gas and related services to its customers in the Valkeakoski area.

Vantaan Energia Oy produces, distributes and sells electricity, district heating and natural gas in Vantaa. Vantaan Energia is owned by the City of Vantaa (60%) and the City of Helsinki (40%).

Vatajankosken Sähkö Oy is an energy company owned by the Municipalities of Karvia and Kankaanpää engaging in the sales of electricity in northern Satakunta and district heating in Kankaanpää.

Vetelin Sähkölaitos Oy is a municipal electricity producer and distributor owned by the Municipality of Veteli.

Vimpelin Voima Oy* is a mainly privately owned electricity company in the municipality of Vimpeli engaging in electricity transmission and sales and electrical contracting.

Ääneseudun Energia Oy is a company owned by the City of Äänekoski whose core business consists of electricity sales and transmission and the district heating and water business.



Voimaosakeyhtiö SF has altogether 67 owners. S Group, Leppäkosken Sähkö, Lankosken Sähkö and Outokummun Energia as well as Atria and Omya announced August 29, 2012 that they will not take part in financing Fennovoima’s nuclear power plant project.