Primary energy use in Iran
Iran: Primary energy use was 3,688 terawatt-hours in 2025. ◆ Volatile
Primary energy use in Iran, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Iran recorded 3,688 terawatt-hours for primary energy use in 2025. That is the highest value across all 61 years on record.
Compared with earlier readings it is up 0.6% on the previous year and up 34.5% over ten years.
Over the whole period, primary energy use in Iran peaked at 3,688 terawatt-hours in 2025 and was at its lowest, 93.93 terawatt-hours, in 1965.
That places Iran 6th out of 218 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 | 113.88 terawatt-hours | 93.93 terawatt-hours | 136.25 terawatt-hours | 5 |
| 1970s | 295.7 terawatt-hours | 161.19 terawatt-hours | 427.44 terawatt-hours | 10 |
| 1980s | 555.53 terawatt-hours | 395.13 terawatt-hours | 707.8 terawatt-hours | 10 |
| 1990s | 1,039 terawatt-hours | 796.84 terawatt-hours | 1,321 terawatt-hours | 10 |
| 2000s | 1,883 terawatt-hours | 1,389 terawatt-hours | 2,367 terawatt-hours | 10 |
| 2010s | 2,793 terawatt-hours | 2,440 terawatt-hours | 3,243 terawatt-hours | 10 |
| 2020s | 3,526 terawatt-hours | 3,352 terawatt-hours | 3,688 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 primary energy use in Iran?
- Primary energy use in Iran was 3,688 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest primary energy use recorded in Iran?
- The highest recorded value was 3,688 terawatt-hours in 2025.
- What is the lowest primary energy use recorded in Iran?
- The lowest recorded value was 93.93 terawatt-hours in 1965.
- How does Iran rank for primary energy use?
- Iran ranks 6th out of 218 countries with data for 2025.
- Is primary energy use rising or falling in Iran?
- Over the last ten years it is up 34.5%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Primary energy use. 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.