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
Annual change in primary energy from fossil fuels in Iran, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
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 11th out of 75 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.
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
- Fuel imports 2.0% (2022)
- Ores and metals imports 2.0% (2022)
- Ores and metals exports 6.1% (2022)
- Gas production 2,648 terawatt-hours (2025)
- Fossil fuel production per person, by fuel 28,655 kilowatt-hours per person (2025)
- Fossil fuel production by fuel 2,648 terawatt-hours (2025)
- Gas production per person 28,655 kilowatt-hours per person (2025)
- Fuel exports 56.4% (2022)
- Electric power transmission and distribution losses 10.0% (2023)
- Share of dietary energy supply from carbohydrates vs gdp per capita 62.86 (2023)
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); Smil (2017) – 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 11th out of 75 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); Smil (2017) – 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.
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.