Electricity generation from nuclear in United Kingdom

United Kingdom: Electricity generation from nuclear was 36.38 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
36.38 terawatt-hours
Change on year
down 10.4%
World rank
14th
of 209 countries
All-time high
99.49 terawatt-hours
in 1998
All-time low
0 terawatt-hours
in 1920
Years of data
106
1920–2025

Electricity generation from nuclear in United Kingdom, 1920–2025

020406080100192019722025

Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

The most recent figure for electricity generation from nuclear in United Kingdom is 36.38 terawatt-hours, measured in 2025.

The figure is down 10.4% on the previous year and down 48.3% over ten years.

Over the whole period, electricity generation from nuclear in United Kingdom peaked at 99.49 terawatt-hours in 1998 and was at its lowest, 0 terawatt-hours, in 1920.

That places United Kingdom 14th out of 209 countries with data for 2025, putting it in the top 10%.

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

Electricity generation from nuclear in United Kingdom, year by year

Annual values for Electricity generation from nuclear in United Kingdom, 1920 to 2025.
Year terawatt-hours Change
1920 0 terawatt-hours
1921 0 terawatt-hours
1922 0 terawatt-hours
1923 0 terawatt-hours
1924 0 terawatt-hours
1925 0 terawatt-hours
1926 0 terawatt-hours
1927 0 terawatt-hours
1928 0 terawatt-hours
1929 0 terawatt-hours
1930 0 terawatt-hours
1931 0 terawatt-hours
1932 0 terawatt-hours
1933 0 terawatt-hours
1934 0 terawatt-hours
1935 0 terawatt-hours
1936 0 terawatt-hours
1937 0 terawatt-hours
1938 0 terawatt-hours
1939 0 terawatt-hours
1940 0 terawatt-hours
1941 0 terawatt-hours
1942 0 terawatt-hours
1943 0 terawatt-hours
1944 0 terawatt-hours
1945 0 terawatt-hours
1946 0 terawatt-hours
1947 0 terawatt-hours
1948 0 terawatt-hours
1949 0 terawatt-hours
1950 0 terawatt-hours
1951 0 terawatt-hours
1952 0 terawatt-hours
1953 0 terawatt-hours
1954 0 terawatt-hours
1955 0.0635 terawatt-hours
1956 0.4477 terawatt-hours +605.2%
1957 0.3339 terawatt-hours -25.4%
1958 1.31 terawatt-hours +293.8%
1959 2.28 terawatt-hours +73.1%
1960 2.63 terawatt-hours +15.4%
1961 3.81 terawatt-hours +44.9%
1962 6.51 terawatt-hours +71.1%
1963 8.35 terawatt-hours +28.2%
1964 15.48 terawatt-hours +85.4%
1965 15.13 terawatt-hours -2.3%
1966 20.22 terawatt-hours +33.6%
1967 23.28 terawatt-hours +15.1%
1968 26.19 terawatt-hours +12.5%
1969 29.12 terawatt-hours +11.2%
1970 26.01 terawatt-hours -10.7%
1971 27.55 terawatt-hours +5.9%
1972 29.38 terawatt-hours +6.6%
1973 28 terawatt-hours -4.7%
1974 33.62 terawatt-hours +20.1%
1975 30.34 terawatt-hours -9.8%
1976 36.16 terawatt-hours +19.2%
1977 40.02 terawatt-hours +10.7%
1978 37.22 terawatt-hours -7.0%
1979 38.31 terawatt-hours +2.9%
1980 37.02 terawatt-hours -3.4%
1981 37.97 terawatt-hours +2.6%
1982 43.97 terawatt-hours +15.8%
1983 49.93 terawatt-hours +13.5%
1984 53.98 terawatt-hours +8.1%
1985 61.09 terawatt-hours +13.2%
1986 59.08 terawatt-hours -3.3%
1987 55.24 terawatt-hours -6.5%
1988 63.46 terawatt-hours +14.9%
1989 71.73 terawatt-hours +13.0%
1990 65.75 terawatt-hours -8.3%
1991 70.54 terawatt-hours +7.3%
1992 76.81 terawatt-hours +8.9%
1993 89.35 terawatt-hours +16.3%
1994 88.28 terawatt-hours -1.2%
1995 88.96 terawatt-hours +0.8%
1996 94.67 terawatt-hours +6.4%
1997 98.15 terawatt-hours +3.7%
1998 99.49 terawatt-hours +1.4%
1999 95.13 terawatt-hours -4.4%
2000 85.06 terawatt-hours -10.6%
2001 90.09 terawatt-hours +5.9%
2002 87.85 terawatt-hours -2.5%
2003 88.69 terawatt-hours +1.0%
2004 80 terawatt-hours -9.8%
2005 81.62 terawatt-hours +2.0%
2006 75.45 terawatt-hours -7.6%
2007 63.03 terawatt-hours -16.5%
2008 52.49 terawatt-hours -16.7%
2009 69.1 terawatt-hours +31.6%
2010 62.14 terawatt-hours -10.1%
2011 68.98 terawatt-hours +11.0%
2012 70.41 terawatt-hours +2.1%
2013 70.61 terawatt-hours +0.3%
2014 63.75 terawatt-hours -9.7%
2015 70.34 terawatt-hours +10.3%
2016 71.73 terawatt-hours +2.0%
2017 70.34 terawatt-hours -1.9%
2018 65.06 terawatt-hours -7.5%
2019 56.18 terawatt-hours -13.6%
2020 50.24 terawatt-hours -10.6%
2021 46.1 terawatt-hours -8.2%
2022 47.4 terawatt-hours +2.8%
2023 40.6 terawatt-hours -14.3%
2024 40.59 terawatt-hours -0.0%
2025 36.38 terawatt-hours -10.4%

Biggest year-on-year movements

Years where Electricity generation from nuclear in United Kingdom 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
1956 +605.2% 0.0635 terawatt-hours 0.4477 terawatt-hours
1958 +293.8% 0.3339 terawatt-hours 1.31 terawatt-hours

Averages by decade

DecadeAverage LowestHighest Years
1920s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1930s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1940s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1950s 0.4435 terawatt-hours 0 terawatt-hours 2.28 terawatt-hours 10
1960s 15.07 terawatt-hours 2.63 terawatt-hours 29.12 terawatt-hours 10
1970s 32.66 terawatt-hours 26.01 terawatt-hours 40.02 terawatt-hours 10
1980s 53.35 terawatt-hours 37.02 terawatt-hours 71.73 terawatt-hours 10
1990s 86.71 terawatt-hours 65.75 terawatt-hours 99.49 terawatt-hours 10
2000s 77.34 terawatt-hours 52.49 terawatt-hours 90.09 terawatt-hours 10
2010s 66.95 terawatt-hours 56.18 terawatt-hours 71.73 terawatt-hours 10
2020s 43.55 terawatt-hours 36.38 terawatt-hours 50.24 terawatt-hours 6

Countries ranked near United Kingdom

  1. 11 India 53.83 terawatt-hours compare
  2. 12 Sweden 47.1 terawatt-hours compare
  3. 13 United Arab Emirates 40.63 terawatt-hours compare
  4. 15 Finland 32.82 terawatt-hours compare
  5. 16 Czechia 31.94 terawatt-hours compare
  6. 17 Belgium 24.11 terawatt-hours compare

See the full ranking of 211 places →

More energy & mining data for United Kingdom

All data for United Kingdom →

Frequently asked questions

What is electricity generation from nuclear in United Kingdom?
Electricity generation from nuclear in United Kingdom was 36.38 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
What is the highest electricity generation from nuclear recorded in United Kingdom?
The highest recorded value was 99.49 terawatt-hours in 1998.
What is the lowest electricity generation from nuclear recorded in United Kingdom?
The lowest recorded value was 0 terawatt-hours in 1920.
How does United Kingdom rank for electricity generation from nuclear?
United Kingdom ranks 14th out of 209 countries with data for 2025.
Is electricity generation from nuclear rising or falling in United Kingdom?
Over the last ten years it is down 48.3%. The long-run trend across the full record is volatile.
Where does this United Kingdom data come from?
The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Electricity generation from nuclear. Statizoid updates them automatically from the source API.

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Electricity generation from nuclear in United Kingdom. Statizoid, drawing on Ember (2026) and other sources – with major processing by Our World in Data. Retrieved 22 September 2026, from https://energy.statizoid.com/stat/nuclear-energy-generation/united-kingdom/

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About this data

Indicator
Electricity generation from nuclear
Unit
terawatt-hours
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
211 places, 8,460 data points, 1920–2025
Last refreshed

Measured in terawatt-hours.