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) – 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 212th of 219 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy from nuclear in Iran, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0 terawatt-hours | — |
| 1967 | 0 terawatt-hours | — |
| 1968 | 0 terawatt-hours | — |
| 1969 | 0 terawatt-hours | — |
| 1970 | 0 terawatt-hours | — |
| 1971 | 0 terawatt-hours | — |
| 1972 | 0 terawatt-hours | — |
| 1973 | 0 terawatt-hours | — |
| 1974 | 0 terawatt-hours | — |
| 1975 | 0 terawatt-hours | — |
| 1976 | 0 terawatt-hours | — |
| 1977 | 0 terawatt-hours | — |
| 1978 | 0 terawatt-hours | — |
| 1979 | 0 terawatt-hours | — |
| 1980 | 0 terawatt-hours | — |
| 1981 | 0 terawatt-hours | — |
| 1982 | 0 terawatt-hours | — |
| 1983 | 0 terawatt-hours | — |
| 1984 | 0 terawatt-hours | — |
| 1985 | 0 terawatt-hours | — |
| 1986 | 0 terawatt-hours | — |
| 1987 | 0 terawatt-hours | — |
| 1988 | 0 terawatt-hours | — |
| 1989 | 0 terawatt-hours | — |
| 1990 | 0 terawatt-hours | — |
| 1991 | 0 terawatt-hours | — |
| 1992 | 0 terawatt-hours | — |
| 1993 | 0 terawatt-hours | — |
| 1994 | 0 terawatt-hours | — |
| 1995 | 0 terawatt-hours | — |
| 1996 | 0 terawatt-hours | — |
| 1997 | 0 terawatt-hours | — |
| 1998 | 0 terawatt-hours | — |
| 1999 | 0 terawatt-hours | — |
| 2000 | 0 terawatt-hours | — |
| 2001 | 0 terawatt-hours | — |
| 2002 | 0 terawatt-hours | — |
| 2003 | 0 terawatt-hours | — |
| 2004 | 0 terawatt-hours | — |
| 2005 | 0 terawatt-hours | — |
| 2006 | 0 terawatt-hours | — |
| 2007 | 0 terawatt-hours | — |
| 2008 | 0 terawatt-hours | — |
| 2009 | 0 terawatt-hours | — |
| 2010 | 0 terawatt-hours | — |
| 2011 | 0.3245 terawatt-hours | — |
| 2012 | 4.07 terawatt-hours | +1155.7% |
| 2013 | 8.5 terawatt-hours | +108.5% |
| 2014 | -0.5632 terawatt-hours | -106.6% |
| 2015 | -1.74 terawatt-hours | +208.9% |
| 2016 | 9.03 terawatt-hours | -618.8% |
| 2017 | 1.46 terawatt-hours | -83.8% |
| 2018 | -0.2189 terawatt-hours | -114.9% |
| 2019 | -1.44 terawatt-hours | +557.3% |
| 2020 | -0.2435 terawatt-hours | -83.1% |
| 2021 | -8.47 terawatt-hours | +3377.4% |
| 2022 | 9.18 terawatt-hours | -208.4% |
| 2023 | 0.2091 terawatt-hours | -97.7% |
| 2024 | 1.22 terawatt-hours | +482.5% |
| 2025 | -5 terawatt-hours | -510.2% |
Biggest year-on-year movements
Years where Annual change in primary energy from nuclear in Iran changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2021 | -3377.4% | -0.2435 terawatt-hours | -8.47 terawatt-hours |
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
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 0.5768 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 2.0% (2022)
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) – 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 212th out of 219 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) – 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.