Primary energy use by source in Iran
Iran: Primary energy use by source was 18.83 terawatt-hours in 2025. ▲ Rising
Latest (2025)
18.83 terawatt-hours
Change on year
up 2.0%
World rank
45th
of 79 countries
All-time high
21.51 terawatt-hours
in 2022
All-time low
2.45 terawatt-hours
in 1965
Years of data
61
1965–2025
Primary energy use by source in Iran, 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 use by source in Iran is 18.83 terawatt-hours, measured in 2025.
That represents a change of up 2.0% on the previous year and up 48.3% over ten years.
Over the whole period, primary energy use by source in Iran peaked at 21.51 terawatt-hours in 2022 and was at its lowest, 2.45 terawatt-hours, in 1965.
That places Iran 45th out of 79 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 61 years of available data.
Primary energy use by source in Iran, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 2.45 terawatt-hours | — |
| 1966 | 2.7 terawatt-hours | +10.0% |
| 1967 | 2.98 terawatt-hours | +10.3% |
| 1968 | 3.28 terawatt-hours | +10.2% |
| 1969 | 3.62 terawatt-hours | +10.3% |
| 1970 | 3.99 terawatt-hours | +10.3% |
| 1971 | 2.81 terawatt-hours | -29.5% |
| 1972 | 4.39 terawatt-hours | +56.2% |
| 1973 | 7.38 terawatt-hours | +68.1% |
| 1974 | 8.09 terawatt-hours | +9.5% |
| 1975 | 14.98 terawatt-hours | +85.2% |
| 1976 | 14.8 terawatt-hours | -1.2% |
| 1977 | 14.98 terawatt-hours | +1.2% |
| 1978 | 9.15 terawatt-hours | -38.9% |
| 1979 | 13.21 terawatt-hours | +44.3% |
| 1980 | 13.91 terawatt-hours | +5.3% |
| 1981 | 11.62 terawatt-hours | -16.5% |
| 1982 | 15.67 terawatt-hours | +34.9% |
| 1983 | 14.78 terawatt-hours | -5.6% |
| 1984 | 11.43 terawatt-hours | -22.7% |
| 1985 | 11.24 terawatt-hours | -1.6% |
| 1986 | 11.07 terawatt-hours | -1.5% |
| 1987 | 10.89 terawatt-hours | -1.6% |
| 1988 | 11.24 terawatt-hours | +3.2% |
| 1989 | 8.26 terawatt-hours | -26.5% |
| 1990 | 8.26 terawatt-hours | +0.0% |
| 1991 | 11.79 terawatt-hours | +42.7% |
| 1992 | 10.39 terawatt-hours | -11.9% |
| 1993 | 12.77 terawatt-hours | +22.9% |
| 1994 | 12.82 terawatt-hours | +0.4% |
| 1995 | 12.01 terawatt-hours | -6.3% |
| 1996 | 12.56 terawatt-hours | +4.6% |
| 1997 | 12.87 terawatt-hours | +2.5% |
| 1998 | 14.99 terawatt-hours | +16.4% |
| 1999 | 14.26 terawatt-hours | -4.8% |
| 2000 | 15.16 terawatt-hours | +6.3% |
| 2001 | 14.86 terawatt-hours | -2.0% |
| 2002 | 14.08 terawatt-hours | -5.3% |
| 2003 | 15.26 terawatt-hours | +8.3% |
| 2004 | 15.97 terawatt-hours | +4.7% |
| 2005 | 18.1 terawatt-hours | +13.3% |
| 2006 | 17.47 terawatt-hours | -3.5% |
| 2007 | 18.22 terawatt-hours | +4.2% |
| 2008 | 14.34 terawatt-hours | -21.3% |
| 2009 | 9.26 terawatt-hours | -35.5% |
| 2010 | 13.36 terawatt-hours | +44.4% |
| 2011 | 13.73 terawatt-hours | +2.8% |
| 2012 | 10.65 terawatt-hours | -22.4% |
| 2013 | 8.86 terawatt-hours | -16.8% |
| 2014 | 10.55 terawatt-hours | +19.1% |
| 2015 | 12.7 terawatt-hours | +20.3% |
| 2016 | 10.56 terawatt-hours | -16.8% |
| 2017 | 11.98 terawatt-hours | +13.5% |
| 2018 | 15.85 terawatt-hours | +32.3% |
| 2019 | 18.93 terawatt-hours | +19.5% |
| 2020 | 21.4 terawatt-hours | +13.0% |
| 2021 | 20.25 terawatt-hours | -5.4% |
| 2022 | 21.51 terawatt-hours | +6.2% |
| 2023 | 18.06 terawatt-hours | -16.0% |
| 2024 | 18.45 terawatt-hours | +2.1% |
| 2025 | 18.83 terawatt-hours | +2.0% |
Iran compared with similar countries
- Iran's 18.83 terawatt-hours is below the median for upper middle income countries, which is 60.56 terawatt-hours, 31% of the median. (23 countries reporting)
- Iran's 18.83 terawatt-hours is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 16.31 terawatt-hours, 1.2× the median. (11 countries reporting)
Biggest year-on-year movements
Years where Primary energy use by source 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 |
|---|---|---|---|
| 1975 | +85.2% | 8.09 terawatt-hours | 14.98 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 3.01 terawatt-hours | 2.45 terawatt-hours | 3.62 terawatt-hours | 5 |
| 1970s | 9.38 terawatt-hours | 2.81 terawatt-hours | 14.98 terawatt-hours | 10 |
| 1980s | 12.01 terawatt-hours | 8.26 terawatt-hours | 15.67 terawatt-hours | 10 |
| 1990s | 12.27 terawatt-hours | 8.26 terawatt-hours | 14.99 terawatt-hours | 10 |
| 2000s | 15.27 terawatt-hours | 9.26 terawatt-hours | 18.22 terawatt-hours | 10 |
| 2010s | 12.72 terawatt-hours | 8.86 terawatt-hours | 18.93 terawatt-hours | 10 |
| 2020s | 19.75 terawatt-hours | 18.06 terawatt-hours | 21.51 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 primary energy use by source in Iran?
- Primary energy use by source in Iran was 18.83 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 use by source recorded in Iran?
- The highest recorded value was 21.51 terawatt-hours in 2022.
- What is the lowest primary energy use by source recorded in Iran?
- The lowest recorded value was 2.45 terawatt-hours in 1965.
- How does Iran rank for primary energy use by source?
- Iran ranks 45th out of 79 countries with data for 2025.
- Is primary energy use by source rising or falling in Iran?
- Over the last ten years it is up 48.3%. The long-run trend across the full record is rising.
- Where does this Iran 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 use by source. 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.