Primary energy from nuclear in CIS (EI)
CIS (EI): Primary energy from nuclear was 722.85 terawatt-hours in 2025. ◆ Volatile
Primary energy from nuclear in CIS (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
The most recent figure for primary energy from nuclear in CIS (EI) is 722.85 terawatt-hours, measured in 2025. That is the highest value across all 61 years on record.
That represents a change of up 1.8% on the previous year and up 20.3% over ten years.
Over the whole period, primary energy from nuclear in CIS (EI) peaked at 722.85 terawatt-hours in 2025 and was at its lowest, 5.64 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 CIS (EI), year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 5.64 terawatt-hours | — |
| 1966 | 6.25 terawatt-hours | +10.9% |
| 1967 | 6.83 terawatt-hours | +9.2% |
| 1968 | 9.5 terawatt-hours | +39.0% |
| 1969 | 11.01 terawatt-hours | +15.9% |
| 1970 | 13.3 terawatt-hours | +20.8% |
| 1971 | 16.32 terawatt-hours | +22.8% |
| 1972 | 29.8 terawatt-hours | +82.5% |
| 1973 | 43.36 terawatt-hours | +45.5% |
| 1974 | 65.03 terawatt-hours | +50.0% |
| 1975 | 86.71 terawatt-hours | +33.3% |
| 1976 | 115.61 terawatt-hours | +33.3% |
| 1977 | 154.64 terawatt-hours | +33.8% |
| 1978 | 158.98 terawatt-hours | +2.8% |
| 1979 | 180.66 terawatt-hours | +13.6% |
| 1980 | 224.01 terawatt-hours | +24.0% |
| 1981 | 263.9 terawatt-hours | +17.8% |
| 1982 | 303.8 terawatt-hours | +15.1% |
| 1983 | 337.56 terawatt-hours | +11.1% |
| 1984 | 435.75 terawatt-hours | +29.1% |
| 1985 | 316.93 terawatt-hours | -27.3% |
| 1986 | 327.2 terawatt-hours | +3.2% |
| 1987 | 391.01 terawatt-hours | +19.5% |
| 1988 | 423.11 terawatt-hours | +8.2% |
| 1989 | 417.32 terawatt-hours | -1.4% |
| 1990 | 358.56 terawatt-hours | -14.1% |
| 1991 | 365.22 terawatt-hours | +1.9% |
| 1992 | 363.91 terawatt-hours | -0.4% |
| 1993 | 362.52 terawatt-hours | -0.4% |
| 1994 | 297.58 terawatt-hours | -17.9% |
| 1995 | 302.77 terawatt-hours | +1.7% |
| 1996 | 337.69 terawatt-hours | +11.5% |
| 1997 | 334.56 terawatt-hours | -0.9% |
| 1998 | 319.38 terawatt-hours | -4.5% |
| 1999 | 375.61 terawatt-hours | +17.6% |
| 2000 | 402.18 terawatt-hours | +7.1% |
| 2001 | 420.98 terawatt-hours | +4.7% |
| 2002 | 436.09 terawatt-hours | +3.6% |
| 2003 | 461.64 terawatt-hours | +5.9% |
| 2004 | 445.18 terawatt-hours | -3.6% |
| 2005 | 461.1 terawatt-hours | +3.6% |
| 2006 | 482.05 terawatt-hours | +4.5% |
| 2007 | 492.76 terawatt-hours | +2.2% |
| 2008 | 501.65 terawatt-hours | +1.8% |
| 2009 | 503.26 terawatt-hours | +0.3% |
| 2010 | 523.95 terawatt-hours | +4.1% |
| 2011 | 531.79 terawatt-hours | +1.5% |
| 2012 | 544.99 terawatt-hours | +2.5% |
| 2013 | 529.9 terawatt-hours | -2.8% |
| 2014 | 555.22 terawatt-hours | +4.8% |
| 2015 | 600.78 terawatt-hours | +8.2% |
| 2016 | 603.01 terawatt-hours | +0.4% |
| 2017 | 623.52 terawatt-hours | +3.4% |
| 2018 | 626.23 terawatt-hours | +0.4% |
| 2019 | 639.95 terawatt-hours | +2.2% |
| 2020 | 663.66 terawatt-hours | +3.7% |
| 2021 | 697.49 terawatt-hours | +5.1% |
| 2022 | 700.7 terawatt-hours | +0.5% |
| 2023 | 702.5 terawatt-hours | +0.3% |
| 2024 | 709.83 terawatt-hours | +1.0% |
| 2025 | 722.85 terawatt-hours | +1.8% |
Biggest year-on-year movements
Years where Primary energy from nuclear in CIS (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 |
|---|---|---|---|
| 1972 | +82.5% | 16.32 terawatt-hours | 29.8 terawatt-hours |
| 1974 | +50.0% | 43.36 terawatt-hours | 65.03 terawatt-hours |
| 1973 | +45.5% | 29.8 terawatt-hours | 43.36 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 7.85 terawatt-hours | 5.64 terawatt-hours | 11.01 terawatt-hours | 5 |
| 1970s | 86.44 terawatt-hours | 13.3 terawatt-hours | 180.66 terawatt-hours | 10 |
| 1980s | 344.06 terawatt-hours | 224.01 terawatt-hours | 435.75 terawatt-hours | 10 |
| 1990s | 341.78 terawatt-hours | 297.58 terawatt-hours | 375.61 terawatt-hours | 10 |
| 2000s | 460.69 terawatt-hours | 402.18 terawatt-hours | 503.26 terawatt-hours | 10 |
| 2010s | 577.93 terawatt-hours | 523.95 terawatt-hours | 639.95 terawatt-hours | 10 |
| 2020s | 699.5 terawatt-hours | 663.66 terawatt-hours | 722.85 terawatt-hours | 6 |
Countries ranked near CIS (EI)
- 1 United States 2,503 terawatt-hours compare
- 2 China 1,470 terawatt-hours compare
- 3 France 1,182 terawatt-hours compare
- 4 Russia 662.5 terawatt-hours compare
- 5 South Korea 559.67 terawatt-hours compare
More energy & mining data for CIS (EI)
- Primary energy use, annual growth rate 0.3921 % change on previous year (2025)
- Fossil fuel production by fuel 7,984 terawatt-hours (2025)
- Gas production 7,984 terawatt-hours (2025)
- Primary energy use, annual growth rate 0.3921 % change on previous year (2025)
- Fossil fuel consumption, annual growth rate 0.3332 % change on previous year (2025)
- Annual change in primary energy use, annual growth rate -74.99 % change on previous year (2025)
- Primary energy use, annual growth rate 0.3921 % change on previous year (2025)
- Oil consumption, annual growth rate 0.9331 % change on previous year (2025)
- Share of electricity generation from fossil fuels 66.0% (2025)
- Coal consumption, annual growth rate -0.6577 % change on previous year (2025)
Frequently asked questions
- What is primary energy from nuclear in CIS (EI)?
- Primary energy from nuclear in CIS (EI) was 722.85 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 CIS (EI)?
- The highest recorded value was 722.85 terawatt-hours in 2025.
- What is the lowest primary energy from nuclear recorded in CIS (EI)?
- The lowest recorded value was 5.64 terawatt-hours in 1965.
- How does CIS (EI) rank for primary energy from nuclear?
- CIS (EI) ranks 2nd out of 2 groups with data for 2025.
- Is primary energy from nuclear rising or falling in CIS (EI)?
- Over the last ten years it is up 20.3%. The long-run trend across the full record is volatile.
- Where does this CIS (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.