Annual change in primary energy from fossil fuels in OECD (EI)
OECD (EI): Annual change in primary energy from fossil fuels was 335.93 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
335.93 terawatt-hours
Change on year
up 255.0%
Rank
1st
of 2 groups
All-time high
2,550 terawatt-hours
in 2021
All-time low
-4,763 terawatt-hours
in 2020
Years of data
60
1966–2025
Annual change in primary energy from fossil fuels in OECD (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
In 2025, annual change in primary energy from fossil fuels in OECD (EI) stood at 335.93 terawatt-hours.
Compared with earlier readings it is up 255.0% on the previous year and up 560.1% over ten years.
Over the whole period, annual change in primary energy from fossil fuels in OECD (EI) peaked at 2,550 terawatt-hours in 2021 and was at its lowest, -4,763 terawatt-hours, in 2020.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy from fossil fuels in OECD (EI), year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 1,407 terawatt-hours | — |
| 1967 | 1,154 terawatt-hours | -18.0% |
| 1968 | 2,073 terawatt-hours | +79.6% |
| 1969 | 2,274 terawatt-hours | +9.7% |
| 1970 | 2,077 terawatt-hours | -8.7% |
| 1971 | 838.59 terawatt-hours | -59.6% |
| 1972 | 1,937 terawatt-hours | +130.9% |
| 1973 | 2,287 terawatt-hours | +18.1% |
| 1974 | -1,060 terawatt-hours | -146.4% |
| 1975 | -1,050 terawatt-hours | -1.0% |
| 1976 | 2,317 terawatt-hours | -320.6% |
| 1977 | 739.29 terawatt-hours | -68.1% |
| 1978 | 941.71 terawatt-hours | +27.4% |
| 1979 | 1,061 terawatt-hours | +12.7% |
| 1980 | -1,463 terawatt-hours | -237.8% |
| 1981 | -1,443 terawatt-hours | -1.3% |
| 1982 | -1,640 terawatt-hours | +13.7% |
| 1983 | -227.8 terawatt-hours | -86.1% |
| 1984 | 1,416 terawatt-hours | -721.4% |
| 1985 | 652.09 terawatt-hours | -53.9% |
| 1986 | 294.54 terawatt-hours | -54.8% |
| 1987 | 1,228 terawatt-hours | +316.9% |
| 1988 | 1,335 terawatt-hours | +8.8% |
| 1989 | 872.47 terawatt-hours | -34.7% |
| 1990 | -64.56 terawatt-hours | -107.4% |
| 1991 | 217.89 terawatt-hours | -437.5% |
| 1992 | 489.17 terawatt-hours | +124.5% |
| 1993 | 403.25 terawatt-hours | -17.6% |
| 1994 | 966.69 terawatt-hours | +139.7% |
| 1995 | 929.06 terawatt-hours | -3.9% |
| 1996 | 1,720 terawatt-hours | +85.2% |
| 1997 | 561.58 terawatt-hours | -67.4% |
| 1998 | 119.41 terawatt-hours | -78.7% |
| 1999 | 601.49 terawatt-hours | +403.7% |
| 2000 | 1,113 terawatt-hours | +85.0% |
| 2001 | -324.55 terawatt-hours | -129.2% |
| 2002 | 474.08 terawatt-hours | -246.1% |
| 2003 | 835.07 terawatt-hours | +76.1% |
| 2004 | 816.41 terawatt-hours | -2.2% |
| 2005 | 270.62 terawatt-hours | -66.9% |
| 2006 | -18.86 terawatt-hours | -107.0% |
| 2007 | 560.88 terawatt-hours | -3073.6% |
| 2008 | -1,008 terawatt-hours | -279.7% |
| 2009 | -3,275 terawatt-hours | +224.8% |
| 2010 | 1,943 terawatt-hours | -159.3% |
| 2011 | -676.77 terawatt-hours | -134.8% |
| 2012 | -369.78 terawatt-hours | -45.4% |
| 2013 | 309.98 terawatt-hours | -183.8% |
| 2014 | -677.38 terawatt-hours | -318.5% |
| 2015 | -73.02 terawatt-hours | -89.2% |
| 2016 | 59.05 terawatt-hours | -180.9% |
| 2017 | 432.11 terawatt-hours | +631.8% |
| 2018 | 671.9 terawatt-hours | +55.5% |
| 2019 | -948.26 terawatt-hours | -241.1% |
| 2020 | -4,763 terawatt-hours | +402.3% |
| 2021 | 2,550 terawatt-hours | -153.5% |
| 2022 | 124.3 terawatt-hours | -95.1% |
| 2023 | -1,523 terawatt-hours | -1325.6% |
| 2024 | 94.63 terawatt-hours | -106.2% |
| 2025 | 335.93 terawatt-hours | +255.0% |
Biggest year-on-year movements
Years where Annual change in primary energy from fossil fuels 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 |
|---|---|---|---|
| 2007 | +3073.6% | -18.86 terawatt-hours | 560.88 terawatt-hours |
| 2023 | -1325.6% | 124.3 terawatt-hours | -1,523 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1,727 terawatt-hours | 1,154 terawatt-hours | 2,274 terawatt-hours | 4 |
| 1970s | 1,009 terawatt-hours | -1,060 terawatt-hours | 2,317 terawatt-hours | 10 |
| 1980s | 102.36 terawatt-hours | -1,640 terawatt-hours | 1,416 terawatt-hours | 10 |
| 1990s | 594.43 terawatt-hours | -64.56 terawatt-hours | 1,720 terawatt-hours | 10 |
| 2000s | -55.61 terawatt-hours | -3,275 terawatt-hours | 1,113 terawatt-hours | 10 |
| 2010s | 67.05 terawatt-hours | -948.26 terawatt-hours | 1,943 terawatt-hours | 10 |
| 2020s | -530.2 terawatt-hours | -4,763 terawatt-hours | 2,550 terawatt-hours | 6 |
Countries ranked near OECD (EI)
More energy & mining data for OECD (EI)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Fossil fuel production by fuel 16,830 terawatt-hours (2025)
- Gas production 16,830 terawatt-hours (2025)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Fossil fuel consumption, annual growth rate 0.6864 % change on previous year (2025)
- Annual change in primary energy use, annual growth rate -12.51 % change on previous year (2025)
- Oil consumption, annual growth rate 0.0378 % change on previous year (2025)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Share of electricity generation from fossil fuels 47.5% (2025)
- Coal consumption, annual growth rate 0.8368 % change on previous year (2025)
Frequently asked questions
- What is annual change in primary energy from fossil fuels in OECD (EI)?
- Annual change in primary energy from fossil fuels in OECD (EI) was 335.93 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 fossil fuels recorded in OECD (EI)?
- The highest recorded value was 2,550 terawatt-hours in 2021.
- What is the lowest annual change in primary energy from fossil fuels recorded in OECD (EI)?
- The lowest recorded value was -4,763 terawatt-hours in 2020.
- How does OECD (EI) rank for annual change in primary energy from fossil fuels?
- OECD (EI) ranks 1st out of 2 groups with data for 2025.
- Is annual change in primary energy from fossil fuels rising or falling in OECD (EI)?
- Over the last ten years it is up 560.1%. 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) – with major processing by Our World in Data, published as part of Annual change in primary energy from fossil fuels. 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.