Annual change in primary energy from fossil fuels in Iran
Iran: Annual change in primary energy from fossil fuels was 31.82 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
31.82 terawatt-hours
Change on year
down 65.0%
World rank
12th
of 76 countries
All-time high
169.13 terawatt-hours
in 2004
All-time low
-76.61 terawatt-hours
in 1993
Years of data
60
1966–2025
Annual change in primary energy from fossil fuels in Iran, 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 Iran stood at 31.82 terawatt-hours.
That represents a change of down 65.0% on the previous year and up 269.7% over ten years.
Over the whole period, annual change in primary energy from fossil fuels in Iran peaked at 169.13 terawatt-hours in 2004 and was at its lowest, -76.61 terawatt-hours, in 1993.
That places Iran 12th out of 76 countries with data for 2025, putting it in the top quarter.
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 Iran, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 8.37 terawatt-hours | — |
| 1967 | 10.2 terawatt-hours | +21.9% |
| 1968 | 11.15 terawatt-hours | +9.4% |
| 1969 | 12.02 terawatt-hours | +7.8% |
| 1970 | 24.76 terawatt-hours | +106.0% |
| 1971 | 15.29 terawatt-hours | -38.3% |
| 1972 | 21.87 terawatt-hours | +43.0% |
| 1973 | 41.83 terawatt-hours | +91.3% |
| 1974 | 32.11 terawatt-hours | -23.3% |
| 1975 | 45.7 terawatt-hours | +42.3% |
| 1976 | 39.62 terawatt-hours | -13.3% |
| 1977 | 48.09 terawatt-hours | +21.4% |
| 1978 | -15.91 terawatt-hours | -133.1% |
| 1979 | 34.74 terawatt-hours | -318.4% |
| 1980 | -32.5 terawatt-hours | -193.6% |
| 1981 | -0.0345 terawatt-hours | -99.9% |
| 1982 | 51.52 terawatt-hours | -149524.3% |
| 1983 | 86.56 terawatt-hours | +68.0% |
| 1984 | 45.27 terawatt-hours | -47.7% |
| 1985 | 53.64 terawatt-hours | +18.5% |
| 1986 | -44.07 terawatt-hours | -182.2% |
| 1987 | 41.22 terawatt-hours | -193.5% |
| 1988 | 11.55 terawatt-hours | -72.0% |
| 1989 | 65.87 terawatt-hours | +470.4% |
| 1990 | 88.39 terawatt-hours | +34.2% |
| 1991 | 74.19 terawatt-hours | -16.1% |
| 1992 | 82.56 terawatt-hours | +11.3% |
| 1993 | -76.61 terawatt-hours | -192.8% |
| 1994 | 118.75 terawatt-hours | -255.0% |
| 1995 | 44.98 terawatt-hours | -62.1% |
| 1996 | 91.49 terawatt-hours | +103.4% |
| 1997 | 43.75 terawatt-hours | -52.2% |
| 1998 | 44.8 terawatt-hours | +2.4% |
| 1999 | 102.89 terawatt-hours | +129.7% |
| 2000 | 69.02 terawatt-hours | -32.9% |
| 2001 | 94.65 terawatt-hours | +37.1% |
| 2002 | 122.96 terawatt-hours | +29.9% |
| 2003 | 25.41 terawatt-hours | -79.3% |
| 2004 | 169.13 terawatt-hours | +565.5% |
| 2005 | 101.29 terawatt-hours | -40.1% |
| 2006 | 168.52 terawatt-hours | +66.4% |
| 2007 | 135.56 terawatt-hours | -19.6% |
| 2008 | 99.1 terawatt-hours | -26.9% |
| 2009 | 57.96 terawatt-hours | -41.5% |
| 2010 | 69.56 terawatt-hours | +20.0% |
| 2011 | 94.27 terawatt-hours | +35.5% |
| 2012 | 11.18 terawatt-hours | -88.1% |
| 2013 | 87.71 terawatt-hours | +684.3% |
| 2014 | 113.9 terawatt-hours | +29.9% |
| 2015 | -18.75 terawatt-hours | -116.5% |
| 2016 | 144.29 terawatt-hours | -869.4% |
| 2017 | 96.89 terawatt-hours | -32.9% |
| 2018 | 116.85 terawatt-hours | +20.6% |
| 2019 | 112.56 terawatt-hours | -3.7% |
| 2020 | 151.58 terawatt-hours | +34.7% |
| 2021 | -14.35 terawatt-hours | -109.5% |
| 2022 | 122.76 terawatt-hours | -955.4% |
| 2023 | 85.12 terawatt-hours | -30.7% |
| 2024 | 91 terawatt-hours | +6.9% |
| 2025 | 31.82 terawatt-hours | -65.0% |
Iran compared with similar countries
- Iran's 31.82 terawatt-hours is above the median for upper middle income countries, which is 7.77 terawatt-hours, 4.1× the median. (22 countries reporting)
- Iran's 31.82 terawatt-hours is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 14.76 terawatt-hours, 2.2× the median. (11 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from fossil fuels in Iran 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 |
|---|---|---|---|
| 1982 | +149524.3% | -0.0345 terawatt-hours | 51.52 terawatt-hours |
| 2022 | +955.4% | -14.35 terawatt-hours | 122.76 terawatt-hours |
| 2016 | +869.4% | -18.75 terawatt-hours | 144.29 terawatt-hours |
| 2013 | +684.3% | 11.18 terawatt-hours | 87.71 terawatt-hours |
| 2004 | +565.5% | 25.41 terawatt-hours | 169.13 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 10.43 terawatt-hours | 8.37 terawatt-hours | 12.02 terawatt-hours | 4 |
| 1970s | 28.81 terawatt-hours | -15.91 terawatt-hours | 48.09 terawatt-hours | 10 |
| 1980s | 27.9 terawatt-hours | -44.07 terawatt-hours | 86.56 terawatt-hours | 10 |
| 1990s | 61.52 terawatt-hours | -76.61 terawatt-hours | 118.75 terawatt-hours | 10 |
| 2000s | 104.36 terawatt-hours | 25.41 terawatt-hours | 169.13 terawatt-hours | 10 |
| 2010s | 82.85 terawatt-hours | -18.75 terawatt-hours | 144.29 terawatt-hours | 10 |
| 2020s | 77.99 terawatt-hours | -14.35 terawatt-hours | 151.58 terawatt-hours | 6 |
Countries ranked near Iran
More energy & mining data for Iran
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 0.5768 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 2.0% (2022)
Frequently asked questions
- What is annual change in primary energy from fossil fuels in Iran?
- Annual change in primary energy from fossil fuels in Iran was 31.82 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 Iran?
- The highest recorded value was 169.13 terawatt-hours in 2004.
- What is the lowest annual change in primary energy from fossil fuels recorded in Iran?
- The lowest recorded value was -76.61 terawatt-hours in 1993.
- How does Iran rank for annual change in primary energy from fossil fuels?
- Iran ranks 12th out of 76 countries with data for 2025.
- Is annual change in primary energy from fossil fuels rising or falling in Iran?
- Over the last ten years it is up 269.7%. The long-run trend across the full record is volatile.
- Where does this Iran 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.