Primary energy from nuclear in OECD (EI)
OECD (EI): Primary energy from nuclear was 5,693 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
5,693 terawatt-hours
Change on year
down 0.1%
Rank
1st
of 2 groups
All-time high
7,219 terawatt-hours
in 2006
All-time low
71.75 terawatt-hours
in 1965
Years of data
61
1965–2025
Primary energy from nuclear in OECD (EI), 1965–2025
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 OECD (EI) stood at 5,693 terawatt-hours.
That represents a change of down 0.1% on the previous year and down 4.9% over ten years.
Over the whole period, primary energy from nuclear in OECD (EI) peaked at 7,219 terawatt-hours in 2006 and was at its lowest, 71.75 terawatt-hours, in 1965.
The series is highly variable year to year, so single readings are best treated with caution.
Primary energy from nuclear in OECD (EI), year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 71.75 terawatt-hours | — |
| 1966 | 98.05 terawatt-hours | +36.6% |
| 1967 | 117.32 terawatt-hours | +19.6% |
| 1968 | 148.37 terawatt-hours | +26.5% |
| 1969 | 173.86 terawatt-hours | +17.2% |
| 1970 | 221.62 terawatt-hours | +27.5% |
| 1971 | 312.89 terawatt-hours | +41.2% |
| 1972 | 427.7 terawatt-hours | +36.7% |
| 1973 | 567.31 terawatt-hours | +32.6% |
| 1974 | 729.76 terawatt-hours | +28.6% |
| 1975 | 1,010 terawatt-hours | +38.4% |
| 1976 | 1,163 terawatt-hours | +15.1% |
| 1977 | 1,448 terawatt-hours | +24.5% |
| 1978 | 1,695 terawatt-hours | +17.1% |
| 1979 | 1,738 terawatt-hours | +2.5% |
| 1980 | 1,875 terawatt-hours | +7.9% |
| 1981 | 2,206 terawatt-hours | +17.7% |
| 1982 | 2,368 terawatt-hours | +7.3% |
| 1983 | 2,668 terawatt-hours | +12.7% |
| 1984 | 3,195 terawatt-hours | +19.8% |
| 1985 | 3,836 terawatt-hours | +20.0% |
| 1986 | 4,184 terawatt-hours | +9.1% |
| 1987 | 4,503 terawatt-hours | +7.6% |
| 1988 | 4,866 terawatt-hours | +8.1% |
| 1989 | 5,064 terawatt-hours | +4.1% |
| 1990 | 5,254 terawatt-hours | +3.7% |
| 1991 | 5,539 terawatt-hours | +5.4% |
| 1992 | 5,600 terawatt-hours | +1.1% |
| 1993 | 5,812 terawatt-hours | +3.8% |
| 1994 | 5,971 terawatt-hours | +2.7% |
| 1995 | 6,235 terawatt-hours | +4.4% |
| 1996 | 6,405 terawatt-hours | +2.7% |
| 1997 | 6,340 terawatt-hours | -1.0% |
| 1998 | 6,489 terawatt-hours | +2.4% |
| 1999 | 6,718 terawatt-hours | +3.5% |
| 2000 | 6,818 terawatt-hours | +1.5% |
| 2001 | 6,992 terawatt-hours | +2.6% |
| 2002 | 7,063 terawatt-hours | +1.0% |
| 2003 | 6,817 terawatt-hours | -3.5% |
| 2004 | 7,147 terawatt-hours | +4.8% |
| 2005 | 7,158 terawatt-hours | +0.2% |
| 2006 | 7,219 terawatt-hours | +0.9% |
| 2007 | 7,014 terawatt-hours | -2.8% |
| 2008 | 6,953 terawatt-hours | -0.9% |
| 2009 | 6,842 terawatt-hours | -1.6% |
| 2010 | 6,977 terawatt-hours | +2.0% |
| 2011 | 6,539 terawatt-hours | -6.3% |
| 2012 | 5,944 terawatt-hours | -9.1% |
| 2013 | 5,987 terawatt-hours | +0.7% |
| 2014 | 6,026 terawatt-hours | +0.7% |
| 2015 | 5,985 terawatt-hours | -0.7% |
| 2016 | 5,980 terawatt-hours | -0.1% |
| 2017 | 5,938 terawatt-hours | -0.7% |
| 2018 | 5,969 terawatt-hours | +0.5% |
| 2019 | 6,043 terawatt-hours | +1.2% |
| 2020 | 5,673 terawatt-hours | -6.1% |
| 2021 | 5,795 terawatt-hours | +2.2% |
| 2022 | 5,423 terawatt-hours | -6.4% |
| 2023 | 5,547 terawatt-hours | +2.3% |
| 2024 | 5,698 terawatt-hours | +2.7% |
| 2025 | 5,693 terawatt-hours | -0.1% |
Biggest year-on-year movements
Years where Primary energy from nuclear in OECD (EI) 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 |
|---|---|---|---|
| 1971 | +41.2% | 221.62 terawatt-hours | 312.89 terawatt-hours |
| 1975 | +38.4% | 729.76 terawatt-hours | 1,010 terawatt-hours |
| 1966 | +36.6% | 71.75 terawatt-hours | 98.05 terawatt-hours |
| 1972 | +36.7% | 312.89 terawatt-hours | 427.7 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 121.87 terawatt-hours | 71.75 terawatt-hours | 173.86 terawatt-hours | 5 |
| 1970s | 931.36 terawatt-hours | 221.62 terawatt-hours | 1,738 terawatt-hours | 10 |
| 1980s | 3,477 terawatt-hours | 1,875 terawatt-hours | 5,064 terawatt-hours | 10 |
| 1990s | 6,036 terawatt-hours | 5,254 terawatt-hours | 6,718 terawatt-hours | 10 |
| 2000s | 7,002 terawatt-hours | 6,817 terawatt-hours | 7,219 terawatt-hours | 10 |
| 2010s | 6,139 terawatt-hours | 5,938 terawatt-hours | 6,977 terawatt-hours | 10 |
| 2020s | 5,638 terawatt-hours | 5,423 terawatt-hours | 5,795 terawatt-hours | 6 |
Countries ranked near OECD (EI)
More energy & mining data for OECD (EI)
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Frequently asked questions
- What is primary energy from nuclear in OECD (EI)?
- Primary energy from nuclear in OECD (EI) was 5,693 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 OECD (EI)?
- The highest recorded value was 7,219 terawatt-hours in 2006.
- What is the lowest primary energy from nuclear recorded in OECD (EI)?
- The lowest recorded value was 71.75 terawatt-hours in 1965.
- How does OECD (EI) rank for primary energy from nuclear?
- OECD (EI) ranks 1st out of 2 groups with data for 2025.
- Is primary energy from nuclear rising or falling in OECD (EI)?
- Over the last ten years it is down 4.9%. The long-run trend across the full record is volatile.
- Where does this OECD (EI) 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).
About this data
Measured in terawatt-hours of total energy supply.