Primary energy from fossil fuels, nuclear, and renewables in CIS (EI)

CIS (EI): Primary energy from fossil fuels, nuclear, and renewables was 6.4% in 2025. ◆ Volatile

Latest (2025)
6.4%
Change on year
up 1.4%
Rank
2nd
of 2 groups
All-time high
6.6%
in 2021
All-time low
0.1%
in 1965
Years of data
61
1965–2025

Primary energy from fossil fuels, nuclear, and renewables in CIS (EI), 1965–2025

0246196519952025

Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.

Analysis

CIS (EI) recorded 6.4% for primary energy from fossil fuels, nuclear, and renewables in 2025.

The figure is up 1.4% on the previous year and up 3.8% over ten years.

Over the whole period, primary energy from fossil fuels, nuclear, and renewables in CIS (EI) peaked at 6.6% in 2021 and was at its lowest, 0.1%, in 1965.

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

Primary energy from fossil fuels, nuclear, and renewables in CIS (EI), year by year

Annual values for Primary energy from fossil fuels, nuclear, and renewables in CIS (EI), 1965 to 2025.
Year % Change
1965 0.1% —
1966 0.1% +4.4%
1967 0.1% +3.7%
1968 0.1% +34.4%
1969 0.1% +11.0%
1970 0.2% +15.2%
1971 0.2% +16.9%
1972 0.3% +73.3%
1973 0.4% +38.2%
1974 0.6% +42.2%
1975 0.8% +26.8%
1976 1.0% +28.4%
1977 1.3% +28.1%
1978 1.3% -1.2%
1979 1.4% +10.6%
1980 1.7% +21.4%
1981 2.0% +15.3%
1982 2.2% +12.0%
1983 2.4% +8.8%
1984 3.0% +24.6%
1985 2.7% -9.0%
1986 2.8% +0.9%
1987 3.2% +15.9%
1988 3.4% +6.1%
1989 3.3% -1.6%
1990 2.9% -12.8%
1991 3.0% +3.9%
1992 3.1% +4.4%
1993 3.4% +8.2%
1994 3.1% -9.6%
1995 3.3% +8.3%
1996 3.8% +14.9%
1997 4.0% +5.2%
1998 3.9% -4.3%
1999 4.5% +16.2%
2000 4.8% +6.1%
2001 4.9% +2.6%
2002 5.1% +3.6%
2003 5.2% +3.1%
2004 5.0% -4.8%
2005 5.1% +3.2%
2006 5.1% +0.5%
2007 5.2% +1.0%
2008 5.3% +1.3%
2009 5.5% +4.9%
2010 5.5% -0.1%
2011 5.3% -3.0%
2012 5.4% +1.2%
2013 5.4% -0.9%
2014 5.6% +4.0%
2015 6.2% +10.6%
2016 6.0% -1.9%
2017 6.2% +2.0%
2018 5.9% -3.7%
2019 6.1% +2.6%
2020 6.5% +7.5%
2021 6.6% +0.6%
2022 6.4% -2.6%
2023 6.3% -1.0%
2024 6.3% -0.5%
2025 6.4% +1.4%

Biggest year-on-year movements

Years where Primary energy from fossil fuels, nuclear, and renewables 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.

YearChange FromTo
1972 +73.3% 0.2% 0.3%

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.1% 0.1% 0.1% 5
1970s 0.7% 0.2% 1.4% 10
1980s 2.7% 1.7% 3.4% 10
1990s 3.5% 2.9% 4.5% 10
2000s 5.1% 4.8% 5.5% 10
2010s 5.8% 5.3% 6.2% 10
2020s 6.4% 6.3% 6.6% 6

Countries ranked near CIS (EI)

  1. 1 France 47.1% compare
  2. 2 Finland 33.5% compare
  3. 3 Slovakia 32.5% compare
  4. 4 Sweden 30.8% compare
  5. 5 Slovenia 25.7% compare

See the full ranking of 218 places →

More energy & mining data for CIS (EI)

All data for CIS (EI) →

Frequently asked questions

What is primary energy from fossil fuels, nuclear, and renewables in CIS (EI)?
Primary energy from fossil fuels, nuclear, and renewables in CIS (EI) was 6.4% in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
What is the highest primary energy from fossil fuels, nuclear, and renewables recorded in CIS (EI)?
The highest recorded value was 6.6% in 2021.
What is the lowest primary energy from fossil fuels, nuclear, and renewables recorded in CIS (EI)?
The lowest recorded value was 0.1% in 1965.
How does CIS (EI) rank for primary energy from fossil fuels, nuclear, and renewables?
CIS (EI) ranks 2nd out of 2 groups with data for 2025.
Is primary energy from fossil fuels, nuclear, and renewables rising or falling in CIS (EI)?
Over the last ten years it is up 3.8%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Primary energy from fossil fuels, nuclear, and renewables. 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).

Share, cite or embed this page

Cite this page

Primary energy from fossil fuels, nuclear, and renewables in CIS (EI). Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Retrieved 27 September 2026, from https://energy.statizoid.com/stat/sub-energy-fossil-renewables-nuclear/cis-ei/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://energy.statizoid.com/stat/sub-energy-fossil-renewables-nuclear/cis-ei/">Primary energy from fossil fuels, nuclear, and renewables in CIS (EI)</a> — Statizoid

About this data

Indicator
Primary energy from fossil fuels, nuclear, and renewables
Unit
%
Source
Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
218 places, 10,361 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.