Primary energy from nuclear in Finland

Finland: Primary energy from nuclear was 99.4 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
99.4 terawatt-hours
Change on year
up 0.6%
World rank
15th
of 219 countries
All-time high
103.96 terawatt-hours
in 2023
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025

Primary energy from nuclear in Finland, 1965–2025

0255075100196519952025

Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

In 2025, primary energy from nuclear in Finland stood at 99.4 terawatt-hours.

The figure is up 0.6% on the previous year and up 41.1% over ten years.

Over the whole period, primary energy from nuclear in Finland peaked at 103.96 terawatt-hours in 2023 and was at its lowest, 0 terawatt-hours, in 1965.

Finland ranks 15th of 219 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Primary energy from nuclear in Finland, year by year

Annual values for Primary energy from nuclear in Finland, 1965 to 2025.
Year terawatt-hours Change
1965 0 terawatt-hours
1966 0 terawatt-hours
1967 0 terawatt-hours
1968 0 terawatt-hours
1969 0 terawatt-hours
1970 0 terawatt-hours
1971 0 terawatt-hours
1972 0 terawatt-hours
1973 0 terawatt-hours
1974 0 terawatt-hours
1975 0 terawatt-hours
1976 0 terawatt-hours
1977 8.01 terawatt-hours
1978 9.82 terawatt-hours +22.7%
1979 20.29 terawatt-hours +106.6%
1980 21.13 terawatt-hours +4.2%
1981 44.13 terawatt-hours +108.8%
1982 50.48 terawatt-hours +14.4%
1983 53.32 terawatt-hours +5.6%
1984 56.78 terawatt-hours +6.5%
1985 57.35 terawatt-hours +1.0%
1986 57.41 terawatt-hours +0.1%
1987 59.12 terawatt-hours +3.0%
1988 58.84 terawatt-hours -0.5%
1989 57.45 terawatt-hours -2.4%
1990 58.23 terawatt-hours +1.4%
1991 59.12 terawatt-hours +1.5%
1992 58.36 terawatt-hours -1.3%
1993 60.39 terawatt-hours +3.5%
1994 58.87 terawatt-hours -2.5%
1995 58.23 terawatt-hours -1.1%
1996 59.02 terawatt-hours +1.4%
1997 63.32 terawatt-hours +7.3%
1998 66.22 terawatt-hours +4.6%
1999 69.62 terawatt-hours +5.1%
2000 68.12 terawatt-hours -2.2%
2001 69.01 terawatt-hours +1.3%
2002 67.56 terawatt-hours -2.1%
2003 68.88 terawatt-hours +2.0%
2004 68.84 terawatt-hours -0.1%
2005 70.52 terawatt-hours +2.4%
2006 69.41 terawatt-hours -1.6%
2007 70.98 terawatt-hours +2.3%
2008 69.57 terawatt-hours -2.0%
2009 71.29 terawatt-hours +2.5%
2010 69.09 terawatt-hours -3.1%
2011 70.26 terawatt-hours +1.7%
2012 69.66 terawatt-hours -0.9%
2013 71.53 terawatt-hours +2.7%
2014 71.45 terawatt-hours -0.1%
2015 70.44 terawatt-hours -1.4%
2016 70.31 terawatt-hours -0.2%
2017 68.11 terawatt-hours -3.1%
2018 69.07 terawatt-hours +1.4%
2019 72.33 terawatt-hours +4.7%
2020 70.58 terawatt-hours -2.4%
2021 71.51 terawatt-hours +1.3%
2022 76.78 terawatt-hours +7.4%
2023 103.96 terawatt-hours +35.4%
2024 98.78 terawatt-hours -5.0%
2025 99.4 terawatt-hours +0.6%

Biggest year-on-year movements

Years where 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.

YearChange FromTo
1981 +108.8% 21.13 terawatt-hours 44.13 terawatt-hours
1979 +106.6% 9.82 terawatt-hours 20.29 terawatt-hours
2023 +35.4% 76.78 terawatt-hours 103.96 terawatt-hours

Averages by decade

DecadeAverage LowestHighest Years
1960s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 5
1970s 3.81 terawatt-hours 0 terawatt-hours 20.29 terawatt-hours 10
1980s 51.6 terawatt-hours 21.13 terawatt-hours 59.12 terawatt-hours 10
1990s 61.14 terawatt-hours 58.23 terawatt-hours 69.62 terawatt-hours 10
2000s 69.42 terawatt-hours 67.56 terawatt-hours 71.29 terawatt-hours 10
2010s 70.23 terawatt-hours 68.11 terawatt-hours 72.33 terawatt-hours 10
2020s 86.84 terawatt-hours 70.58 terawatt-hours 103.96 terawatt-hours 6

Countries ranked near Finland

  1. 12 Sweden 141.34 terawatt-hours compare
  2. 13 United Arab Emirates 118.34 terawatt-hours compare
  3. 14 United Kingdom 108.64 terawatt-hours compare
  4. 16 Czechia 97.17 terawatt-hours compare
  5. 17 Belgium 71.89 terawatt-hours compare
  6. 18 Pakistan 71.63 terawatt-hours compare

See the full ranking of 221 places →

More energy & mining data for Finland

All data for Finland →

Frequently asked questions

What is primary energy from nuclear in Finland?
Primary energy from nuclear in Finland was 99.4 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
What is the highest primary energy from nuclear recorded in Finland?
The highest recorded value was 103.96 terawatt-hours in 2023.
What is the lowest primary energy from nuclear recorded in Finland?
The lowest recorded value was 0 terawatt-hours in 1965.
How does Finland rank for primary energy from nuclear?
Finland ranks 15th out of 219 countries with data for 2025.
Is primary energy from nuclear rising or falling in Finland?
Over the last ten years it is up 41.1%. 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) – with major processing by Our World in Data, published as part 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).

Share, cite or embed this page

Cite this page

Primary energy from nuclear in Finland. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://energy.statizoid.com/stat/primary-energy-nuclear/finland/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://energy.statizoid.com/stat/primary-energy-nuclear/finland/">Primary energy from nuclear in Finland</a> — Statizoid

About this data

Indicator
Primary energy from nuclear
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
221 places, 10,754 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.