Fossil fuel supply by source in Iran
Iran: Fossil fuel supply by source was 2,563 terawatt-hours in 2025. ◆ Volatile
Fossil fuel supply 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
In 2025, fossil fuel supply by source in Iran stood at 2,563 terawatt-hours. That is the highest value across all 61 years on record.
That represents a change of up 1.0% on the previous year and up 39.3% over ten years.
Over the whole period, fossil fuel supply by source in Iran peaked at 2,563 terawatt-hours in 2025 and was at its lowest, 7.81 terawatt-hours, in 1965.
That places Iran 4th out of 76 countries with data for 2025, putting it in the top 10%.
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 | 8.91 terawatt-hours | 7.81 terawatt-hours | 10.76 terawatt-hours | 5 |
| 1970s | 40.03 terawatt-hours | 25.52 terawatt-hours | 50.92 terawatt-hours | 10 |
| 1980s | 91.27 terawatt-hours | 45.35 terawatt-hours | 156.17 terawatt-hours | 10 |
| 1990s | 332.77 terawatt-hours | 165.13 terawatt-hours | 549.73 terawatt-hours | 10 |
| 2000s | 959.69 terawatt-hours | 594.41 terawatt-hours | 1,348 terawatt-hours | 10 |
| 2010s | 1,794 terawatt-hours | 1,444 terawatt-hours | 2,184 terawatt-hours | 10 |
| 2020s | 2,437 terawatt-hours | 2,295 terawatt-hours | 2,563 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 62.9% (2023)
Frequently asked questions
- What is fossil fuel supply by source in Iran?
- Fossil fuel supply by source in Iran was 2,563 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 fossil fuel supply by source recorded in Iran?
- The highest recorded value was 2,563 terawatt-hours in 2025.
- What is the lowest fossil fuel supply by source recorded in Iran?
- The lowest recorded value was 7.81 terawatt-hours in 1965.
- How does Iran rank for fossil fuel supply by source?
- Iran ranks 4th out of 76 countries with data for 2025.
- Is fossil fuel supply by source rising or falling in Iran?
- Over the last ten years it is up 39.3%. 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 Fossil fuel supply 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.