Share of primary energy from nuclear in Finland
Finland: Share of primary energy from nuclear was 33.5% in 2025. ◆ Volatile
Share of primary energy from nuclear in Finland, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
Finland recorded 33.5% for share of primary energy from nuclear in 2025.
Compared with earlier readings it is up 1.1% on the previous year and up 46.4% over ten years.
Over the whole period, share of primary energy from nuclear in Finland peaked at 34.5% in 2023 and was at its lowest, 0.0%, in 1965.
Finland ranks 2nd of 216 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Share of primary energy from nuclear in Finland, year by year
| Year | % | Change |
|---|---|---|
| 1965 | 0.0% | — |
| 1966 | 0.0% | — |
| 1967 | 0.0% | — |
| 1968 | 0.0% | — |
| 1969 | 0.0% | — |
| 1970 | 0.0% | — |
| 1971 | 0.0% | — |
| 1972 | 0.0% | — |
| 1973 | 0.0% | — |
| 1974 | 0.0% | — |
| 1975 | 0.0% | — |
| 1976 | 0.0% | — |
| 1977 | 3.7% | — |
| 1978 | 4.3% | +15.2% |
| 1979 | 8.3% | +91.0% |
| 1980 | 8.6% | +4.1% |
| 1981 | 18.1% | +111.1% |
| 1982 | 20.9% | +15.3% |
| 1983 | 22.4% | +7.1% |
| 1984 | 22.7% | +1.4% |
| 1985 | 21.6% | -4.8% |
| 1986 | 21.4% | -1.1% |
| 1987 | 21.0% | -1.6% |
| 1988 | 21.0% | -0.1% |
| 1989 | 20.4% | -3.0% |
| 1990 | 19.1% | -6.4% |
| 1991 | 19.2% | +0.5% |
| 1992 | 19.2% | -0.1% |
| 1993 | 19.6% | +1.9% |
| 1994 | 17.9% | -8.4% |
| 1995 | 18.5% | +3.4% |
| 1996 | 18.1% | -2.0% |
| 1997 | 19.2% | +5.8% |
| 1998 | 19.7% | +2.5% |
| 1999 | 20.9% | +6.1% |
| 2000 | 20.4% | -2.1% |
| 2001 | 19.8% | -3.2% |
| 2002 | 19.0% | -4.0% |
| 2003 | 18.0% | -5.2% |
| 2004 | 18.1% | +0.8% |
| 2005 | 20.7% | +14.3% |
| 2006 | 18.4% | -11.4% |
| 2007 | 19.1% | +3.9% |
| 2008 | 19.9% | +4.3% |
| 2009 | 21.6% | +8.3% |
| 2010 | 19.1% | -11.2% |
| 2011 | 20.8% | +8.5% |
| 2012 | 21.8% | +4.9% |
| 2013 | 21.9% | +0.7% |
| 2014 | 22.6% | +3.0% |
| 2015 | 22.9% | +1.2% |
| 2016 | 22.4% | -2.1% |
| 2017 | 22.3% | -0.3% |
| 2018 | 22.1% | -0.8% |
| 2019 | 23.4% | +5.7% |
| 2020 | 24.7% | +5.4% |
| 2021 | 24.2% | -2.0% |
| 2022 | 26.4% | +9.0% |
| 2023 | 34.5% | +30.9% |
| 2024 | 33.1% | -4.0% |
| 2025 | 33.5% | +1.1% |
Biggest year-on-year movements
Years where Share of primary energy from nuclear in Finland changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1981 | +111.1% | 8.6% | 18.1% |
| 1979 | +91.0% | 4.3% | 8.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0% | 0.0% | 0.0% | 5 |
| 1970s | 1.6% | 0.0% | 8.3% | 10 |
| 1980s | 19.8% | 8.6% | 22.7% | 10 |
| 1990s | 19.1% | 17.9% | 20.9% | 10 |
| 2000s | 19.5% | 18.0% | 21.6% | 10 |
| 2010s | 21.9% | 19.1% | 23.4% | 10 |
| 2020s | 29.4% | 24.2% | 34.5% | 6 |
Countries ranked near Finland
More energy & mining data for Finland
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -0.4241 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0.0001 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 13.5% (2024)
Frequently asked questions
- What is share of primary energy from nuclear in Finland?
- Share of primary energy from nuclear in Finland was 33.5% in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy from nuclear recorded in Finland?
- The highest recorded value was 34.5% in 2023.
- What is the lowest share of primary energy from nuclear recorded in Finland?
- The lowest recorded value was 0.0% in 1965.
- How does Finland rank for share of primary energy from nuclear?
- Finland ranks 2nd out of 216 countries with data for 2025.
- Is share of primary energy from nuclear rising or falling in Finland?
- Over the last ten years it is up 46.4%. The long-run trend across the full record is volatile.
- Where does this Finland data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from nuclear. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total energy supply.