Primary energy from nuclear in United Kingdom

United Kingdom: Primary energy from nuclear was 108.64 terawatt-hours in 2025. ▲ Rising

Latest (2025)
108.64 terawatt-hours
Change on year
down 11.7%
World rank
14th
of 219 countries
All-time high
301.47 terawatt-hours
in 1998
All-time low
45.86 terawatt-hours
in 1965
Years of data
61
1965–2025

Primary energy from nuclear in United Kingdom, 1965–2025

0100200300196519952025

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

Analysis

United Kingdom recorded 108.64 terawatt-hours for primary energy from nuclear in 2025.

The figure is down 11.7% on the previous year and down 49.0% over ten years.

Over the whole period, primary energy from nuclear in United Kingdom peaked at 301.47 terawatt-hours in 1998 and was at its lowest, 45.86 terawatt-hours, in 1965.

United Kingdom ranks 14th of 219 countries on this measure, in the top 10%.

The long-run direction has been consistently rising across the 61 years of available data.

Primary energy from nuclear in United Kingdom, year by year

Annual values for Primary energy from nuclear in United Kingdom, 1965 to 2025.
Year terawatt-hours Change
1965 45.86 terawatt-hours
1966 61.26 terawatt-hours +33.6%
1967 70.54 terawatt-hours +15.1%
1968 79.36 terawatt-hours +12.5%
1969 88.26 terawatt-hours +11.2%
1970 78.82 terawatt-hours -10.7%
1971 83.48 terawatt-hours +5.9%
1972 89.02 terawatt-hours +6.6%
1973 84.84 terawatt-hours -4.7%
1974 101.87 terawatt-hours +20.1%
1975 91.93 terawatt-hours -9.8%
1976 109.56 terawatt-hours +19.2%
1977 121.28 terawatt-hours +10.7%
1978 112.8 terawatt-hours -7.0%
1979 116.08 terawatt-hours +2.9%
1980 112.19 terawatt-hours -3.4%
1981 115.06 terawatt-hours +2.6%
1982 133.25 terawatt-hours +15.8%
1983 151.3 terawatt-hours +13.5%
1984 163.57 terawatt-hours +8.1%
1985 185.14 terawatt-hours +13.2%
1986 179.03 terawatt-hours -3.3%
1987 167.39 terawatt-hours -6.5%
1988 192.29 terawatt-hours +14.9%
1989 217.38 terawatt-hours +13.0%
1990 199.24 terawatt-hours -8.3%
1991 213.77 terawatt-hours +7.3%
1992 232.75 terawatt-hours +8.9%
1993 270.77 terawatt-hours +16.3%
1994 267.52 terawatt-hours -1.2%
1995 269.59 terawatt-hours +0.8%
1996 286.88 terawatt-hours +6.4%
1997 297.41 terawatt-hours +3.7%
1998 301.47 terawatt-hours +1.4%
1999 288.28 terawatt-hours -4.4%
2000 257.77 terawatt-hours -10.6%
2001 273.01 terawatt-hours +5.9%
2002 266.21 terawatt-hours -2.5%
2003 268.75 terawatt-hours +1.0%
2004 242.42 terawatt-hours -9.8%
2005 247.33 terawatt-hours +2.0%
2006 228.64 terawatt-hours -7.6%
2007 191 terawatt-hours -16.5%
2008 159.05 terawatt-hours -16.7%
2009 209.39 terawatt-hours +31.7%
2010 188.3 terawatt-hours -10.1%
2011 209.03 terawatt-hours +11.0%
2012 213.35 terawatt-hours +2.1%
2013 213.96 terawatt-hours +0.3%
2014 193.18 terawatt-hours -9.7%
2015 213.17 terawatt-hours +10.3%
2016 217.35 terawatt-hours +2.0%
2017 213.14 terawatt-hours -1.9%
2018 197.16 terawatt-hours -7.5%
2019 170.25 terawatt-hours -13.6%
2020 152.24 terawatt-hours -10.6%
2021 139.71 terawatt-hours -8.2%
2022 143.64 terawatt-hours +2.8%
2023 123.02 terawatt-hours -14.4%
2024 122.99 terawatt-hours -0.0%
2025 108.64 terawatt-hours -11.7%

Averages by decade

DecadeAverage LowestHighest Years
1960s 69.06 terawatt-hours 45.86 terawatt-hours 88.26 terawatt-hours 5
1970s 98.97 terawatt-hours 78.82 terawatt-hours 121.28 terawatt-hours 10
1980s 161.66 terawatt-hours 112.19 terawatt-hours 217.38 terawatt-hours 10
1990s 262.77 terawatt-hours 199.24 terawatt-hours 301.47 terawatt-hours 10
2000s 234.35 terawatt-hours 159.05 terawatt-hours 273.01 terawatt-hours 10
2010s 202.89 terawatt-hours 170.25 terawatt-hours 217.35 terawatt-hours 10
2020s 131.71 terawatt-hours 108.64 terawatt-hours 152.24 terawatt-hours 6

Countries ranked near United Kingdom

  1. 11 India 163.08 terawatt-hours compare
  2. 12 Sweden 141.34 terawatt-hours compare
  3. 13 United Arab Emirates 118.34 terawatt-hours compare
  4. 15 Finland 99.4 terawatt-hours compare
  5. 16 Czechia 97.17 terawatt-hours compare
  6. 17 Belgium 71.89 terawatt-hours compare

See the full ranking of 221 places →

More energy & mining data for United Kingdom

All data for United Kingdom →

Frequently asked questions

What is primary energy from nuclear in United Kingdom?
Primary energy from nuclear in United Kingdom was 108.64 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 United Kingdom?
The highest recorded value was 301.47 terawatt-hours in 1998.
What is the lowest primary energy from nuclear recorded in United Kingdom?
The lowest recorded value was 45.86 terawatt-hours in 1965.
How does United Kingdom rank for primary energy from nuclear?
United Kingdom ranks 14th out of 219 countries with data for 2025.
Is primary energy from nuclear rising or falling in United Kingdom?
Over the last ten years it is down 49.0%. The long-run trend across the full record is rising.
Where does this United Kingdom 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 United Kingdom. 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/united-kingdom/

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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.