Year-to-year change in primary energy use by source in Iran
Iran: Year-to-year change in primary energy use by source was 1.23 terawatt-hours in 2025. ◆ Volatile
Year-to-year change in primary energy use by source 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, year-to-year change in primary energy use by source in Iran stood at 1.23 terawatt-hours. That is the highest value across all 60 years on record.
Compared with earlier readings it is up 428.7% on the previous year and up 154,107.0% over ten years.
Over the whole period, year-to-year change in primary energy use by source in Iran peaked at 1.23 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1966.
That places Iran 30th out of 79 countries with data for 2025, putting it in the middle of the range.
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 | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 4 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0 terawatt-hours | 0 terawatt-hours | 0.0001 terawatt-hours | 10 |
| 2010s | 0.051 terawatt-hours | 0 terawatt-hours | 0.2887 terawatt-hours | 10 |
| 2020s | 0.282 terawatt-hours | 0 terawatt-hours | 1.23 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 year-to-year change in primary energy use by source in Iran?
- Year-to-year change in primary energy use by source in Iran was 1.23 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 year-to-year change in primary energy use by source recorded in Iran?
- The highest recorded value was 1.23 terawatt-hours in 2025.
- What is the lowest year-to-year change in primary energy use by source recorded in Iran?
- The lowest recorded value was 0 terawatt-hours in 1966.
- How does Iran rank for year-to-year change in primary energy use by source?
- Iran ranks 30th out of 79 countries with data for 2025.
- Is year-to-year change in primary energy use by source rising or falling in Iran?
- Over the last ten years it is up 154,107.0%. 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 Year-to-year change in primary energy use by source. 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.