Annual change in primary energy from low-carbon energy in Iran
Iran: Annual change in primary energy from low-carbon energy was -10.67 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
-10.67 terawatt-hours
Change on year
down 341.9%
World rank
75th
of 80 countries
All-time high
23.3 terawatt-hours
in 2022
All-time low
-31.63 terawatt-hours
in 2021
Years of data
60
1966–2025
Annual change in primary energy from low-carbon energy 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 -10.67 terawatt-hours for annual change in primary energy from low-carbon energy in 2025.
That represents a change of down 341.9% on the previous year and down 239.8% over ten years.
Over the whole period, annual change in primary energy from low-carbon energy in Iran peaked at 23.3 terawatt-hours in 2022 and was at its lowest, -31.63 terawatt-hours, in 2021.
Iran ranks 75th of 80 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 low-carbon energy in Iran, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.1282 terawatt-hours | — |
| 1967 | 0.1414 terawatt-hours | +10.3% |
| 1968 | 0.1503 terawatt-hours | +6.3% |
| 1969 | 0.1635 terawatt-hours | +8.8% |
| 1970 | 0.1768 terawatt-hours | +8.1% |
| 1971 | 0.1856 terawatt-hours | +5.0% |
| 1972 | 0.8353 terawatt-hours | +350.0% |
| 1973 | -0.5347 terawatt-hours | -164.0% |
| 1974 | 0.3005 terawatt-hours | -156.2% |
| 1975 | 0.1635 terawatt-hours | -45.6% |
| 1976 | 0.4066 terawatt-hours | +148.6% |
| 1977 | 0.1282 terawatt-hours | -68.5% |
| 1978 | 2.25 terawatt-hours | +1651.7% |
| 1979 | -0.8264 terawatt-hours | -136.8% |
| 1980 | 0.1989 terawatt-hours | -124.1% |
| 1981 | 0.5127 terawatt-hours | +157.8% |
| 1982 | 0.3005 terawatt-hours | -41.4% |
| 1983 | -0.137 terawatt-hours | -145.6% |
| 1984 | -0.4066 terawatt-hours | +196.8% |
| 1985 | 0.0477 terawatt-hours | -111.7% |
| 1986 | 1.15 terawatt-hours | +2312.3% |
| 1987 | 0.766 terawatt-hours | -33.4% |
| 1988 | 0.43 terawatt-hours | -43.9% |
| 1989 | -1.51 terawatt-hours | -452.1% |
| 1990 | 0.649 terawatt-hours | -142.9% |
| 1991 | -1.77 terawatt-hours | -373.3% |
| 1992 | 3.6 terawatt-hours | -302.8% |
| 1993 | 1.33 terawatt-hours | -63.1% |
| 1994 | -3.64 terawatt-hours | -373.7% |
| 1995 | 1.43 terawatt-hours | -139.2% |
| 1996 | 0.491 terawatt-hours | -65.6% |
| 1997 | -2.87 terawatt-hours | -685.1% |
| 1998 | 1.55 terawatt-hours | -153.8% |
| 1999 | -2.31 terawatt-hours | -249.3% |
| 2000 | -1.36 terawatt-hours | -41.1% |
| 2001 | 0.3382 terawatt-hours | -124.9% |
| 2002 | 3.89 terawatt-hours | +1049.2% |
| 2003 | 1.57 terawatt-hours | -59.5% |
| 2004 | 2.36 terawatt-hours | +50.2% |
| 2005 | 2.54 terawatt-hours | +7.4% |
| 2006 | 4.12 terawatt-hours | +62.1% |
| 2007 | -0.5344 terawatt-hours | -113.0% |
| 2008 | -10.47 terawatt-hours | +1858.5% |
| 2009 | -0.6793 terawatt-hours | -93.5% |
| 2010 | 3.5 terawatt-hours | -614.9% |
| 2011 | 0.8352 terawatt-hours | -76.1% |
| 2012 | 5.97 terawatt-hours | +614.2% |
| 2013 | 10.54 terawatt-hours | +76.8% |
| 2014 | -0.6195 terawatt-hours | -105.9% |
| 2015 | -3.14 terawatt-hours | +407.2% |
| 2016 | 11.23 terawatt-hours | -457.5% |
| 2017 | 3.53 terawatt-hours | -68.6% |
| 2018 | -7.04 terawatt-hours | -299.8% |
| 2019 | 22.81 terawatt-hours | -423.7% |
| 2020 | -10.39 terawatt-hours | -145.6% |
| 2021 | -31.63 terawatt-hours | +204.4% |
| 2022 | 23.3 terawatt-hours | -173.7% |
| 2023 | 9.02 terawatt-hours | -61.3% |
| 2024 | -2.42 terawatt-hours | -126.8% |
| 2025 | -10.67 terawatt-hours | +341.9% |
Iran compared with similar countries
- Iran's -10.67 terawatt-hours is below the median for upper middle income countries, which is 1.77 terawatt-hours. (24 countries reporting)
- Iran's -10.67 terawatt-hours is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 2.06 terawatt-hours. (12 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from low-carbon energy 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 |
|---|---|---|---|
| 1986 | +2312.3% | 0.0477 terawatt-hours | 1.15 terawatt-hours |
| 2008 | -1858.5% | -0.5344 terawatt-hours | -10.47 terawatt-hours |
| 1978 | +1651.7% | 0.1282 terawatt-hours | 2.25 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.1458 terawatt-hours | 0.1282 terawatt-hours | 0.1635 terawatt-hours | 4 |
| 1970s | 0.308 terawatt-hours | -0.8264 terawatt-hours | 2.25 terawatt-hours | 10 |
| 1980s | 0.1349 terawatt-hours | -1.51 terawatt-hours | 1.15 terawatt-hours | 10 |
| 1990s | -0.1554 terawatt-hours | -3.64 terawatt-hours | 3.6 terawatt-hours | 10 |
| 2000s | 0.1777 terawatt-hours | -10.47 terawatt-hours | 4.12 terawatt-hours | 10 |
| 2010s | 4.76 terawatt-hours | -7.04 terawatt-hours | 22.81 terawatt-hours | 10 |
| 2020s | -3.8 terawatt-hours | -31.63 terawatt-hours | 23.3 terawatt-hours | 6 |
Countries ranked near Iran
More climate change data for Iran
- Spring temperature anomalies 0.0713 °C (2026)
- Summer temperature anomalies 1.08 °C (2026)
- Temperature anomalies by month 0.2419 °C (2026)
- Share of global CO₂ emissions and population 0.8% (2100)
- Population, total, annual growth rate 0.9283 % change on previous year (2025)
- Population, total, per unit of GDP 0.0003 units per US$ of GDP (2025)
- Urban population, annual growth rate 1.39 % change on previous year (2025)
- Urban population, per unit of GDP 0.0002 units per US$ of GDP (2025)
- Urban population, per capita 0.7738 units per person (2025)
- Precipitation anomalies, annual growth rate -620.65 % change on previous year (2025)
Frequently asked questions
- What is annual change in primary energy from low-carbon energy in Iran?
- Annual change in primary energy from low-carbon energy in Iran was -10.67 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 low-carbon energy recorded in Iran?
- The highest recorded value was 23.3 terawatt-hours in 2022.
- What is the lowest annual change in primary energy from low-carbon energy recorded in Iran?
- The lowest recorded value was -31.63 terawatt-hours in 2021.
- How does Iran rank for annual change in primary energy from low-carbon energy?
- Iran ranks 75th out of 80 countries with data for 2025.
- Is annual change in primary energy from low-carbon energy rising or falling in Iran?
- Over the last ten years it is down 239.8%. 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 low-carbon energy. 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.