Fortum Oyj is a Finland state-owned energy company located in Espoo, Finland. It mainly focuses on the Nordic countries region. Fortum operates , including co-generation plants, and generates and sells electricity and heat. The company also sells waste services such as recycling, reutilisation, final disposal solutions and soil remediation and environmental constructions services, and other energy-related services and products e.g. consultancy services for power plants and electric vehicle charging. Fortum is listed on the Nasdaq Helsinki stock exchange.
As of 2023 Fortum was the third-largest power generator in the Nordics.
The construction of the Imatra power plant began already in 1922 as well as the power lines from Imatra to Helsinki and the power plant was opened in May 1929. Finnish Government made a decision to establish Imatran Voima Osakeyhtiö (IVO) in May 1932.
Imatran Voima acquired and built a number of other power plants, such as the largest hydroelectric power plants along the Oulujoki river, Ingå and Naantali coal-fired powerplants and the Loviisa nuclear power plant.
In 1997, a merger agreement was made between Neste and IVO.
In 2003, Fortum bought parts of Fredrikstad Energi and Fredrikstad Energi Nett in a swap deal with E.ON.
In 2005 most of Neste's assets were divested into a separate stock-listed company Neste Oil.
In 2007, Fortum acquired 25.66% stake in TGK-1, operating in northwest Russia.
In 2008, Fortum privatized the natural gas, power and heat generation company TGK-10 (now: ), operating in central and northern Russia.
In 2012, Fortum shared the number one position in the Carbon Disclosure Project's Nordic climate index.
In 2013, Fortum opened two new CHP utilities using waste as a fuel in Klaipėda, Lithuania, and , Sweden as well as new biomass-fuelled CHP plants in Jelgava, Latvia, and Järvenpää, Finland. In June, Fortum acquired a 5 MW solar power plant in the state of Rajasthan in India. In September Fortum signed an agreement with Rosatom and Rolls-Royce to develop nuclear power.
In 2014 Fortum sold its Norwegian electricity distribution network and also its stakes in Fredrikstad Energi and Fredrikstad Energi Nett to the Hafslund Group. The heat business was sold to iCON Infrastructure Partners II, L.P. fund. Since 2015 the electrical distribution network in Sweden is owned by Ellevio.
In 2015 Fortum connected its first greenfield solar park, under the Jawaharlal Nehru National Solar Mission (JNNSM) Phase II initiative, in Madhya Pradesh.
In 2015, Fortum completed the divestment of its electricity distribution network in Sweden, thus completing the divestment of electricity distribution business. In 2016, Fortum acquired Grupa DUON S.A, an electricity and gas sales company in Poland, and Ekokem Corporation, a leading Nordic circular economy company specialised in material and waste recycling, final disposal solutions, soil remediation and environmental construction.
In 2017, the 100 MW plant in Pavagada solar park was connected to the grid. It was the first of a series of planned gigawatt-scale plants facilitated by in India. In September, Fortum announced it would buy E.ON's 47% stake in German power company Uniper. Fortum increased its stake to 75% in spring 2020. Uniper mainly uses oil, natural gas and coal to supply electricity.
In 2020 Fortum and Kværner informed that they would cooperate on a Carbon capture and storage project for waste incineration at Klemetsrud energigjenvinningsanlegg.
In 2020 Fortum was the biggest company in Finland by its revenue. The majority of its income came from Uniper that became Fortum's subsidiary in March 2020.
In 2021 Fortum sold its business in Estonia, Latvia and Lithuania to Partners Group.
At completion of the capital increase, the Germans plans to buy all of Fortum's approximately 293 million shares in Uniper for EUR 1.70 per share, i.e. for a total of EUR 0.5 billion. At that point, change of control clause in the financing agreement will be triggered and the buyer will provide the financing for the redemption of Fortum's EUR 4 billion shareholder loan granted to Uniper and the release of the EUR 4 billion parent company guarantee.
The parties have also agreed that Fortum will have a right of first offer in case Uniper intends to divest all or parts of its Swedish hydro and nuclear assets until the end of 2026.
In July 2023 Russia announced it was changing the name of the Russian business to Forward Energo.
In February 2024 Fortum launched arbitration proceedings against Russia, seeking compensation for its assets seized by Russian authorities.
In August 2025, Russian president Vladimir Putin issued a personal decree according to which the Federal Agency for State Property Management takes control of the joint-stock company Chelyabinsk Energoremont (, ), whose entire shareholding was owned by Fortum. Chelyabinsk Energoremont specializes in the maintenance of steam turbines, steam boilers, and electrical equipment, as well as in the repair of power plants.
After acquiring a majority stake in Uniper in 2020, Fortum will become one of the EU's worst emitters of greenhouse gas emissions, asserted a report backed by major European environmental groups in 2019." Fortum/Uniper among Europe's worst polluters, say NGOs". YLE. 2019-04-08. Retrieved 2020-04-05.' Extinction Rebellion Finland accused Fortum for greenwashing for continuing and scaling up its fossil fuel business, for example opening (through Uniper) Dateln4 coal-fired power plant in Germany in 2020 and suing the Netherlands on the basis of the Energy Charter Treaty for banning coal.
In February 2014, Fortum equipped three schools with solar-powered infrastructure in Bhilwara, India, where they had a solar plant.
1998–2010
2011–2021
Uniper divestment (2022)
Russian assets during the Russian invasion of Ukraine (2023–present)
Operations
Hydropower
Nuclear power
Combined production of heat and electric power (cogeneration or CHP)
Electricity and heat sales
Solar power
Environmental record
Social responsibility
See also
External links
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