Primary energy from nuclear in Belgium

Belgium: Primary energy from nuclear was 71.89 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
71.89 terawatt-hours
Change on year
down 24.1%
World rank
17th
of 219 countries
All-time high
152.5 terawatt-hours
in 2021
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025

Primary energy from nuclear in Belgium, 1965–2025

050100150196519952025

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

Analysis

Belgium recorded 71.89 terawatt-hours for primary energy from nuclear in 2025.

That represents a change of down 24.1% on the previous year and down 9.1% over ten years.

Over the whole period, primary energy from nuclear in Belgium peaked at 152.5 terawatt-hours in 2021 and was at its lowest, 0 terawatt-hours, in 1965.

Belgium ranks 17th 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 Belgium, year by year

Annual values for Primary energy from nuclear in Belgium, 1965 to 2025.
Year terawatt-hours Change
1965 0 terawatt-hours
1966 0.0182 terawatt-hours
1967 0.2848 terawatt-hours +1466.7%
1968 0.1848 terawatt-hours -35.1%
1969 0.0667 terawatt-hours -63.9%
1970 0.1727 terawatt-hours +159.1%
1971 0 terawatt-hours -100.0%
1972 0.0333 terawatt-hours
1973 0.2303 terawatt-hours +590.9%
1974 0.4485 terawatt-hours +94.7%
1975 20.56 terawatt-hours +4483.8%
1976 30.41 terawatt-hours +47.9%
1977 36.18 terawatt-hours +19.0%
1978 37.92 terawatt-hours +4.8%
1979 34.57 terawatt-hours -8.8%
1980 38.03 terawatt-hours +10.0%
1981 38.97 terawatt-hours +2.5%
1982 47.47 terawatt-hours +21.8%
1983 73.05 terawatt-hours +53.9%
1984 84.07 terawatt-hours +15.1%
1985 104.85 terawatt-hours +24.7%
1986 119.38 terawatt-hours +13.9%
1987 127.17 terawatt-hours +6.5%
1988 130.61 terawatt-hours +2.7%
1989 124.9 terawatt-hours -4.4%
1990 129.46 terawatt-hours +3.7%
1991 129.88 terawatt-hours +0.3%
1992 131.69 terawatt-hours +1.4%
1993 127.05 terawatt-hours -3.5%
1994 123.1 terawatt-hours -3.1%
1995 125.32 terawatt-hours +1.8%
1996 131.32 terawatt-hours +4.8%
1997 143.66 terawatt-hours +9.4%
1998 139.89 terawatt-hours -2.6%
1999 148.54 terawatt-hours +6.2%
2000 145.93 terawatt-hours -1.8%
2001 140.45 terawatt-hours -3.8%
2002 143.51 terawatt-hours +2.2%
2003 143.57 terawatt-hours +0.0%
2004 143.37 terawatt-hours -0.1%
2005 144.23 terawatt-hours +0.6%
2006 141.35 terawatt-hours -2.0%
2007 146.14 terawatt-hours +3.4%
2008 138.09 terawatt-hours -5.5%
2009 143.1 terawatt-hours +3.6%
2010 145.28 terawatt-hours +1.5%
2011 146.16 terawatt-hours +0.6%
2012 122.11 terawatt-hours -16.5%
2013 129.22 terawatt-hours +5.8%
2014 102.13 terawatt-hours -21.0%
2015 79.1 terawatt-hours -22.5%
2016 131.89 terawatt-hours +66.7%
2017 127.96 terawatt-hours -3.0%
2018 86.66 terawatt-hours -32.3%
2019 131.89 terawatt-hours +52.2%
2020 104.35 terawatt-hours -20.9%
2021 152.5 terawatt-hours +46.1%
2022 132.97 terawatt-hours -12.8%
2023 99.78 terawatt-hours -25.0%
2024 94.71 terawatt-hours -5.1%
2025 71.89 terawatt-hours -24.1%

Biggest year-on-year movements

Years where Primary energy from nuclear in Belgium 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
1975 +4483.8% 0.4485 terawatt-hours 20.56 terawatt-hours
1967 +1466.7% 0.0182 terawatt-hours 0.2848 terawatt-hours
1973 +590.9% 0.0333 terawatt-hours 0.2303 terawatt-hours
1970 +159.1% 0.0667 terawatt-hours 0.1727 terawatt-hours
1971 -100.0% 0.1727 terawatt-hours 0 terawatt-hours
1974 +94.7% 0.2303 terawatt-hours 0.4485 terawatt-hours

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.1109 terawatt-hours 0 terawatt-hours 0.2848 terawatt-hours 5
1970s 16.05 terawatt-hours 0 terawatt-hours 37.92 terawatt-hours 10
1980s 88.85 terawatt-hours 38.03 terawatt-hours 130.61 terawatt-hours 10
1990s 132.99 terawatt-hours 123.1 terawatt-hours 148.54 terawatt-hours 10
2000s 142.97 terawatt-hours 138.09 terawatt-hours 146.14 terawatt-hours 10
2010s 120.24 terawatt-hours 79.1 terawatt-hours 146.16 terawatt-hours 10
2020s 109.37 terawatt-hours 71.89 terawatt-hours 152.5 terawatt-hours 6

Countries ranked near Belgium

  1. 14 United Kingdom 108.64 terawatt-hours compare
  2. 15 Finland 99.4 terawatt-hours compare
  3. 16 Czechia 97.17 terawatt-hours compare
  4. 18 Pakistan 71.63 terawatt-hours compare
  5. 19 Slovakia 58.47 terawatt-hours compare
  6. 20 Switzerland 55.69 terawatt-hours compare

See the full ranking of 221 places →

More energy & mining data for Belgium

All data for Belgium →

Frequently asked questions

What is primary energy from nuclear in Belgium?
Primary energy from nuclear in Belgium was 71.89 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 Belgium?
The highest recorded value was 152.5 terawatt-hours in 2021.
What is the lowest primary energy from nuclear recorded in Belgium?
The lowest recorded value was 0 terawatt-hours in 1965.
How does Belgium rank for primary energy from nuclear?
Belgium ranks 17th out of 219 countries with data for 2025.
Is primary energy from nuclear rising or falling in Belgium?
Over the last ten years it is down 9.1%. The long-run trend across the full record is volatile.
Where does this Belgium 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.

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Primary energy from nuclear in Belgium. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 22 September 2026, from https://energy.statizoid.com/stat/primary-energy-nuclear/belgium/

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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.