Annual change in primary energy from nuclear in Iran
Iran: Annual change in primary energy from nuclear was -5 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from nuclear 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
Iran recorded -5 terawatt-hours for annual change in primary energy from nuclear in 2025.
Compared with earlier readings it is down 510.2% on the previous year and down 187.1% over ten years.
Over the whole period, annual change in primary energy from nuclear in Iran peaked at 9.18 terawatt-hours in 2022 and was at its lowest, -8.47 terawatt-hours, in 2021.
Iran ranks 211th of 218 countries on this measure, in the bottom 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 | 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 terawatt-hours | 10 |
| 2010s | 1.94 terawatt-hours | -1.74 terawatt-hours | 9.03 terawatt-hours | 10 |
| 2020s | -0.5163 terawatt-hours | -8.47 terawatt-hours | 9.18 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 annual change in primary energy from nuclear in Iran?
- Annual change in primary energy from nuclear in Iran was -5 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 nuclear recorded in Iran?
- The highest recorded value was 9.18 terawatt-hours in 2022.
- What is the lowest annual change in primary energy from nuclear recorded in Iran?
- The lowest recorded value was -8.47 terawatt-hours in 2021.
- How does Iran rank for annual change in primary energy from nuclear?
- Iran ranks 211th out of 218 countries with data for 2025.
- Is annual change in primary energy from nuclear rising or falling in Iran?
- Over the last ten years it is down 187.1%. 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 nuclear. 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.