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Olkiluoto power plant Photo: TVO There are three operational nuclear power plant units at the Olkiluoto nuclear power plant area. The boiling-water type power plants Olkiluoto 1 and 2 both have an electrical output of 890 MW. Their operating licen...https://tem.fi/en/olkiluoto-power-plant
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Up-to-date information on possible power shortages This page contains information on how and why everyone should participate in saving energy, what will cause a possible power shortage and how to act in the event of one. Saving energy and reducing...https://tem.fi/en/information-on-electricity-shortages
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20.5.2026 | The views on data centres and their electricity use presented in public tend to either depict the centres as a threat to the sufficiency of electricity or, alternatively, highlight the necessity and benefits of such investments. However, data centres are not a black-and-white issue. Data centres should be seen as a part of the overall economic change, data sovereignty and general electrification. Thro...https://tem.fi/en/-/column-data-centres-are-an-integral-part-of-a-developing-energy-system-and-economy
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Nuclear power forms the basis of Finland's electricity production Photo: TVO Approximately 40% (39% in 2024) of the electricity produced in Finland comes from nuclear energy. Nuclear energy plays a major role in the implementation of the Finnish C...https://tem.fi/en/nuclear-energy
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Nuclear facilities include nuclear power plants and facilities for nuclear waste management Finland has five active nuclear reactors with a combined gross output of approximately 4,400 MW. In total, the power plants produce more than 30 TWh of ele...https://tem.fi/en/nuclear-facilities-and-projects
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25.3.2026 | A study describing the alternatives and costs of nuclear energy promotion as well as its effects on the electricity market has been published. The report commissioned by the Ministry of Economic Affairs and Employment and produced by AFRY Management Consulting Oy was submitted to Minister of Climate and the Environment Sari Multala on 25 March 2026.https://tem.fi/en/-/new-report-highlights-means-costs-and-impacts-of-increased-promotion-and-use-of-nuclear-power
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Report on the environmental impact assessment procedure for Olkiluoto nuclear power plant On 5.12.2024, Teollisuuden Voima Oyj submitted to the Ministry of Economic Affairs and Employment an environmental impact assessment report (EIA report) in a...https://tem.fi/en/olkiluoto-1-and-2-eia-report
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Environmental impact assessment programme for the Olkiluoto nuclear power plants Olkiluoto 1 and Olkiluoto 2 On 5.1.2024, Teollisuuden Voima Oyj submitted to the Ministry of Economic Affairs and Employment an environmental impact assessment progra...https://tem.fi/en/olkiluoto-ol1-ja-ol2-eia-programme
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Sustainable Growth Programme funding to companies from the Ministry of Economic Affairs and Employment and government agencies under its purview Recovery funding promotes the renewal of economic structure and the competitive advantage of Finnish c...https://tem.fi/en/funding-available-to-companies-under-the-sustainable-growth-programme
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Heating market Electricity and heat production must be nearly emissions-free in Finland by the end of the 2030s while also taking into account the perspectives of security of supply and servicing. In accordance with the Act approved in 2019, coal-...https://tem.fi/en/heating-market
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As an interim target for reaching climate neutrality by 2050, the EU wants to tighten the emission reduction target from 40% to at least 55% by 2030. Although it seems that the EU will exceed the original target, this constitutes a major change. In particular, the way emission reductions are implemented has a major impact on how much the transition will cost and how these costs will be distributed between countries.https://tem.fi/en/-/fit-for-55-what-are-the-best-ways-to-cut-emissions-
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12.2.2026 | “Today we are creating a foundation for the future to develop an energy system that can meet the demands of a new era. This plant is a concrete result of purposeful research and planning,” said Minister of Climate and the Environment Sari Multala at the groundbreaking ceremony for Steady Energy Oy’s small nuclear pilot plant in Salmisaari, Helsinki on 12 February 2026.https://tem.fi/en/-/minister-multala-piloting-small-modular-reactor-in-helsinki-signals-finland-s-leading-role-in-nuclear-energy-solutions
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Report on smart grids´ potential for the electricity market The Finnish power system is facing significant changes. Increased use of renewable energy and weather-dependent variable production changes the operating logic of the power system and the...https://tem.fi/en/working-group-to-explore-smart-grids-potential-for-the-electricity-market
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Feed-in tariff for renewable energy The Act on Production Subsidy for Electricity Produced from Renewable Energy Sources (1396/2010) lays down provisions on a feed-in tariff system for which power plants fuelled with wind, biogas, forest chips and...https://tem.fi/en/feed-in-tariff-for-renewable-energy
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Regular electricity production at Olkiluoto 3 plant unit started in 2023 In January 2002, the government made a favourable decision-in-principle on Teollisuuden Voima Oyj’s (TVO) Olkiluoto 3 nuclear power plant project, which was ratified by the F...https://tem.fi/en/nuclear-facilities-and-projects/olkiluoto-3
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5. RRF energy investment aid projects granted aid A total of EUR 537.7 million has been reserved for energy investment aid under Finland’s Recovery and Resilience Plan. Funding is available to the following types of projects: Investments in energy...https://tem.fi/en/rrf-energy-investment-aid-projects-granted-aid
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Electricity market Finland’s electricity market was gradually opened to competition after the passing of the Electricity Market Act in 1995. Since late 1998, all electricity users, including private households, have been able to choose their prefe...https://tem.fi/en/electricity-market
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Reserve stocks and preparedness planning secure energy supply In Finland, the security of energy supply is based on the country’s decentralised, diversified and efficient energy production. Stocks of imported fuels and contingency and preparedness...https://tem.fi/en/security-of-energy-supply
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Russian attack on Ukraine Russia launched an attack on Ukraine on 24 February 2022. Finland has strongly condemned Russia’s military actions in Ukraine and supports Ukraine’s independence, sovereignty, self-determination and territorial integrity....https://tem.fi/en/russian-attack-on-ukraine
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Preparedness for serious disruptions and emergency conditions in the administrative branch of the Ministry of Economic Affairs and Employment Finland’s security of supply relies on well-functioning markets and investments by private sector actors,...https://tem.fi/en/preparedness-for-serious-disruptions-and-emergency-conditions