Annual change in primary energy use in Iran
Iran: Annual change in primary energy use was 21.14 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
21.14 terawatt-hours
Change on year
down 76.1%
World rank
22nd
of 219 countries
All-time high
172.64 terawatt-hours
in 2006
All-time low
-75.28 terawatt-hours
in 1993
Years of data
60
1966–2025
Annual change in primary energy use in Iran, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, annual change in primary energy use in Iran stood at 21.14 terawatt-hours.
That represents a change of down 76.1% on the previous year and up 196.6% over ten years.
Over the whole period, annual change in primary energy use in Iran peaked at 172.64 terawatt-hours in 2006 and was at its lowest, -75.28 terawatt-hours, in 1993.
Iran ranks 22nd of 219 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy use in Iran, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 8.5 terawatt-hours | — |
| 1967 | 10.34 terawatt-hours | +21.7% |
| 1968 | 11.3 terawatt-hours | +9.4% |
| 1969 | 12.18 terawatt-hours | +7.8% |
| 1970 | 24.94 terawatt-hours | +104.7% |
| 1971 | 15.48 terawatt-hours | -37.9% |
| 1972 | 22.7 terawatt-hours | +46.7% |
| 1973 | 41.3 terawatt-hours | +81.9% |
| 1974 | 32.41 terawatt-hours | -21.5% |
| 1975 | 45.86 terawatt-hours | +41.5% |
| 1976 | 40.02 terawatt-hours | -12.7% |
| 1977 | 48.22 terawatt-hours | +20.5% |
| 1978 | -13.66 terawatt-hours | -128.3% |
| 1979 | 33.91 terawatt-hours | -348.2% |
| 1980 | -32.3 terawatt-hours | -195.2% |
| 1981 | 0.4782 terawatt-hours | -101.5% |
| 1982 | 51.82 terawatt-hours | +10737.7% |
| 1983 | 86.42 terawatt-hours | +66.8% |
| 1984 | 44.86 terawatt-hours | -48.1% |
| 1985 | 53.68 terawatt-hours | +19.7% |
| 1986 | -42.92 terawatt-hours | -180.0% |
| 1987 | 41.99 terawatt-hours | -197.8% |
| 1988 | 11.98 terawatt-hours | -71.5% |
| 1989 | 64.36 terawatt-hours | +437.3% |
| 1990 | 89.04 terawatt-hours | +38.3% |
| 1991 | 72.42 terawatt-hours | -18.7% |
| 1992 | 86.16 terawatt-hours | +19.0% |
| 1993 | -75.28 terawatt-hours | -187.4% |
| 1994 | 115.11 terawatt-hours | -252.9% |
| 1995 | 46.41 terawatt-hours | -59.7% |
| 1996 | 91.98 terawatt-hours | +98.2% |
| 1997 | 40.87 terawatt-hours | -55.6% |
| 1998 | 46.35 terawatt-hours | +13.4% |
| 1999 | 100.58 terawatt-hours | +117.0% |
| 2000 | 67.66 terawatt-hours | -32.7% |
| 2001 | 94.99 terawatt-hours | +40.4% |
| 2002 | 126.85 terawatt-hours | +33.5% |
| 2003 | 26.99 terawatt-hours | -78.7% |
| 2004 | 171.49 terawatt-hours | +535.4% |
| 2005 | 103.83 terawatt-hours | -39.5% |
| 2006 | 172.64 terawatt-hours | +66.3% |
| 2007 | 135.03 terawatt-hours | -21.8% |
| 2008 | 88.64 terawatt-hours | -34.4% |
| 2009 | 57.28 terawatt-hours | -35.4% |
| 2010 | 73.06 terawatt-hours | +27.5% |
| 2011 | 95.11 terawatt-hours | +30.2% |
| 2012 | 17.15 terawatt-hours | -82.0% |
| 2013 | 98.26 terawatt-hours | +473.0% |
| 2014 | 113.28 terawatt-hours | +15.3% |
| 2015 | -21.89 terawatt-hours | -119.3% |
| 2016 | 155.53 terawatt-hours | -810.3% |
| 2017 | 100.41 terawatt-hours | -35.4% |
| 2018 | 109.81 terawatt-hours | +9.4% |
| 2019 | 135.36 terawatt-hours | +23.3% |
| 2020 | 141.19 terawatt-hours | +4.3% |
| 2021 | -32.16 terawatt-hours | -122.8% |
| 2022 | 132.23 terawatt-hours | -511.2% |
| 2023 | 94.14 terawatt-hours | -28.8% |
| 2024 | 88.58 terawatt-hours | -5.9% |
| 2025 | 21.14 terawatt-hours | -76.1% |
Iran compared with similar countries
- Iran's 21.14 terawatt-hours is above the median for upper middle income countries, which is 0.5628 terawatt-hours, 37.6× the median. (57 countries reporting)
- Iran's 21.14 terawatt-hours is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 3.14 terawatt-hours, 6.7× the median. (23 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy use 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 | +10737.7% | 0.4782 terawatt-hours | 51.82 terawatt-hours |
| 2016 | +810.3% | -21.89 terawatt-hours | 155.53 terawatt-hours |
| 2004 | +535.4% | 26.99 terawatt-hours | 171.49 terawatt-hours |
| 2022 | +511.2% | -32.16 terawatt-hours | 132.23 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 10.58 terawatt-hours | 8.5 terawatt-hours | 12.18 terawatt-hours | 4 |
| 1970s | 29.12 terawatt-hours | -13.66 terawatt-hours | 48.22 terawatt-hours | 10 |
| 1980s | 28.04 terawatt-hours | -42.92 terawatt-hours | 86.42 terawatt-hours | 10 |
| 1990s | 61.36 terawatt-hours | -75.28 terawatt-hours | 115.11 terawatt-hours | 10 |
| 2000s | 104.54 terawatt-hours | 26.99 terawatt-hours | 172.64 terawatt-hours | 10 |
| 2010s | 87.61 terawatt-hours | -21.89 terawatt-hours | 155.53 terawatt-hours | 10 |
| 2020s | 74.19 terawatt-hours | -32.16 terawatt-hours | 141.19 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)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Fuel imports 2.0% (2022)
- Ores and metals imports 2.0% (2022)
Frequently asked questions
- What is annual change in primary energy use in Iran?
- Annual change in primary energy use in Iran was 21.14 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy use recorded in Iran?
- The highest recorded value was 172.64 terawatt-hours in 2006.
- What is the lowest annual change in primary energy use recorded in Iran?
- The lowest recorded value was -75.28 terawatt-hours in 1993.
- How does Iran rank for annual change in primary energy use?
- Iran ranks 22nd out of 219 countries with data for 2025.
- Is annual change in primary energy use rising or falling in Iran?
- Over the last ten years it is up 196.6%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Annual change in primary energy use. 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.