Annual change in primary energy from nuclear in CIS (EI)
CIS (EI): Annual change in primary energy from nuclear was 13.01 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
13.01 terawatt-hours
Change on year
up 77.5%
Rank
1st
of 2 groups
All-time high
98.19 terawatt-hours
in 1984
All-time low
-118.83 terawatt-hours
in 1985
Years of data
60
1966–2025
Annual change in primary energy from nuclear in CIS (EI), 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
CIS (EI) recorded 13.01 terawatt-hours for annual change in primary energy from nuclear in 2025.
That represents a change of up 77.5% on the previous year and down 71.4% over ten years.
Over the whole period, annual change in primary energy from nuclear in CIS (EI) peaked at 98.19 terawatt-hours in 1984 and was at its lowest, -118.83 terawatt-hours, in 1985.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy from nuclear in CIS (EI), year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.616 terawatt-hours | — |
| 1967 | 0.5759 terawatt-hours | -6.5% |
| 1968 | 2.67 terawatt-hours | +362.8% |
| 1969 | 1.51 terawatt-hours | -43.2% |
| 1970 | 2.29 terawatt-hours | +51.3% |
| 1971 | 3.03 terawatt-hours | +32.2% |
| 1972 | 13.47 terawatt-hours | +345.1% |
| 1973 | 13.57 terawatt-hours | +0.7% |
| 1974 | 21.67 terawatt-hours | +59.7% |
| 1975 | 21.68 terawatt-hours | +0.1% |
| 1976 | 28.9 terawatt-hours | +33.3% |
| 1977 | 39.02 terawatt-hours | +35.0% |
| 1978 | 4.34 terawatt-hours | -88.9% |
| 1979 | 21.68 terawatt-hours | +399.7% |
| 1980 | 43.35 terawatt-hours | +99.9% |
| 1981 | 39.9 terawatt-hours | -8.0% |
| 1982 | 39.9 terawatt-hours | +0.0% |
| 1983 | 33.76 terawatt-hours | -15.4% |
| 1984 | 98.19 terawatt-hours | +190.8% |
| 1985 | -118.83 terawatt-hours | -221.0% |
| 1986 | 10.27 terawatt-hours | -108.6% |
| 1987 | 63.81 terawatt-hours | +521.2% |
| 1988 | 32.1 terawatt-hours | -49.7% |
| 1989 | -5.79 terawatt-hours | -118.0% |
| 1990 | -58.76 terawatt-hours | +915.7% |
| 1991 | 6.66 terawatt-hours | -111.3% |
| 1992 | -1.31 terawatt-hours | -119.7% |
| 1993 | -1.39 terawatt-hours | +5.7% |
| 1994 | -64.95 terawatt-hours | +4582.8% |
| 1995 | 5.2 terawatt-hours | -108.0% |
| 1996 | 34.92 terawatt-hours | +571.7% |
| 1997 | -3.13 terawatt-hours | -109.0% |
| 1998 | -15.18 terawatt-hours | +385.0% |
| 1999 | 56.23 terawatt-hours | -470.4% |
| 2000 | 26.57 terawatt-hours | -52.7% |
| 2001 | 18.79 terawatt-hours | -29.3% |
| 2002 | 15.12 terawatt-hours | -19.6% |
| 2003 | 25.54 terawatt-hours | +69.0% |
| 2004 | -16.46 terawatt-hours | -164.4% |
| 2005 | 15.92 terawatt-hours | -196.7% |
| 2006 | 20.95 terawatt-hours | +31.6% |
| 2007 | 10.71 terawatt-hours | -48.9% |
| 2008 | 8.89 terawatt-hours | -17.0% |
| 2009 | 1.61 terawatt-hours | -81.9% |
| 2010 | 20.69 terawatt-hours | +1186.7% |
| 2011 | 7.83 terawatt-hours | -62.1% |
| 2012 | 13.2 terawatt-hours | +68.5% |
| 2013 | -15.08 terawatt-hours | -214.3% |
| 2014 | 25.32 terawatt-hours | -267.9% |
| 2015 | 45.56 terawatt-hours | +80.0% |
| 2016 | 2.23 terawatt-hours | -95.1% |
| 2017 | 20.5 terawatt-hours | +818.0% |
| 2018 | 2.72 terawatt-hours | -86.7% |
| 2019 | 13.72 terawatt-hours | +404.9% |
| 2020 | 23.71 terawatt-hours | +72.9% |
| 2021 | 33.82 terawatt-hours | +42.6% |
| 2022 | 3.21 terawatt-hours | -90.5% |
| 2023 | 1.8 terawatt-hours | -43.9% |
| 2024 | 7.33 terawatt-hours | +306.2% |
| 2025 | 13.01 terawatt-hours | +77.5% |
Biggest year-on-year movements
Years where Annual change in 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 |
|---|---|---|---|
| 1994 | -4582.8% | -1.39 terawatt-hours | -64.95 terawatt-hours |
| 2010 | +1186.7% | 1.61 terawatt-hours | 20.69 terawatt-hours |
| 1990 | -915.7% | -5.79 terawatt-hours | -58.76 terawatt-hours |
| 2017 | +818.0% | 2.23 terawatt-hours | 20.5 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.34 terawatt-hours | 0.5759 terawatt-hours | 2.67 terawatt-hours | 4 |
| 1970s | 16.97 terawatt-hours | 2.29 terawatt-hours | 39.02 terawatt-hours | 10 |
| 1980s | 23.67 terawatt-hours | -118.83 terawatt-hours | 98.19 terawatt-hours | 10 |
| 1990s | -4.17 terawatt-hours | -64.95 terawatt-hours | 56.23 terawatt-hours | 10 |
| 2000s | 12.76 terawatt-hours | -16.46 terawatt-hours | 26.57 terawatt-hours | 10 |
| 2010s | 13.67 terawatt-hours | -15.08 terawatt-hours | 45.56 terawatt-hours | 10 |
| 2020s | 13.82 terawatt-hours | 1.8 terawatt-hours | 33.82 terawatt-hours | 6 |
Countries ranked near CIS (EI)
More energy & mining data for CIS (EI)
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Frequently asked questions
- What is annual change in primary energy from nuclear in CIS (EI)?
- Annual change in primary energy from nuclear in CIS (EI) was 13.01 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy from nuclear recorded in CIS (EI)?
- The highest recorded value was 98.19 terawatt-hours in 1984.
- What is the lowest annual change in primary energy from nuclear recorded in CIS (EI)?
- The lowest recorded value was -118.83 terawatt-hours in 1985.
- How does CIS (EI) rank for annual change in primary energy from nuclear?
- CIS (EI) ranks 1st out of 2 groups with data for 2025.
- Is annual change in primary energy from nuclear rising or falling in CIS (EI)?
- Over the last ten years it is down 71.4%. 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) – with major processing by Our World in Data, published as part of Annual change in primary energy from nuclear. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.