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Popularity of nuclear power continues rising in Finland 

68 % of respondents are in favour of nuclear power (32 % completely in favour and 36 % mainly in favour), and only 9 % against (2 % totally negative and 7 % mainly negative), according to a survey by Verian, commissioned by Finnish Energy. The data was collected in April 2025, with 1016 respondents. 

Finland’s target is to be climate neutral in 2035. In 2024, already 95 % of Finland’s electricity production was clean, meaning that it came from renewables and nuclear power. Last year, nuclear power covered almost 40 % of Finland’s electricity production. Versatile energy mix is Finland’s strength in decarbonization and energy security. 

However, Finland will need vast amount of additional clean electricity to decarbonize industrial, transport and heating sectors. Finnish companies are also interested in using nuclear energy for heat production in district heating systems.  

Therefore, a technology-neutral approach, including all net-zero energy generation sources should be promoted in the EU climate and energy policy and regulation, financial instruments and state aid rules.  

Finland is also the first country in the world where the challenge of spent nuclear fuel disposal has been solved. Final repository, Onkalo, is due to be completed during 2020s, after which final disposal can begin. Spent fuel will be disposed of in the bedrock at a depth of approximately 430 metres and isolated from the organic environment by multiple safety solutions called release barriers.

Download Opinions on nuclear power 2025 (PDF)

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Jari Kostama

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Jari Kostama

Director

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Annina Alasaari

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Annina Alasaari

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Energy Production

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