Primary energy from low-carbon energy in Iran
Iran: Primary energy from low-carbon energy was 31.77 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
31.77 terawatt-hours
Change on year
down 25.2%
World rank
52nd
of 80 countries
All-time high
54.56 terawatt-hours
in 2019
All-time low
1.72 terawatt-hours
in 1965
Years of data
61
1965–2025
Primary energy from low-carbon energy in Iran, 1965–2025
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, primary energy from low-carbon energy in Iran stood at 31.77 terawatt-hours.
The figure is down 25.2% on the previous year and up 32.2% over ten years.
Over the whole period, primary energy from low-carbon energy in Iran peaked at 54.56 terawatt-hours in 2019 and was at its lowest, 1.72 terawatt-hours, in 1965.
That places Iran 52nd out of 80 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.
Primary energy from low-carbon energy in Iran, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 1.72 terawatt-hours | — |
| 1966 | 1.85 terawatt-hours | +7.5% |
| 1967 | 1.99 terawatt-hours | +7.7% |
| 1968 | 2.14 terawatt-hours | +7.6% |
| 1969 | 2.3 terawatt-hours | +7.6% |
| 1970 | 2.48 terawatt-hours | +7.7% |
| 1971 | 2.66 terawatt-hours | +7.5% |
| 1972 | 3.5 terawatt-hours | +31.3% |
| 1973 | 2.97 terawatt-hours | -15.3% |
| 1974 | 3.27 terawatt-hours | +10.1% |
| 1975 | 3.43 terawatt-hours | +5.0% |
| 1976 | 3.84 terawatt-hours | +11.9% |
| 1977 | 3.96 terawatt-hours | +3.3% |
| 1978 | 6.21 terawatt-hours | +56.6% |
| 1979 | 5.38 terawatt-hours | -13.3% |
| 1980 | 5.58 terawatt-hours | +3.7% |
| 1981 | 6.09 terawatt-hours | +9.2% |
| 1982 | 6.39 terawatt-hours | +4.9% |
| 1983 | 6.26 terawatt-hours | -2.1% |
| 1984 | 5.85 terawatt-hours | -6.5% |
| 1985 | 5.9 terawatt-hours | +0.8% |
| 1986 | 7.05 terawatt-hours | +19.5% |
| 1987 | 7.82 terawatt-hours | +10.9% |
| 1988 | 8.25 terawatt-hours | +5.5% |
| 1989 | 6.73 terawatt-hours | -18.4% |
| 1990 | 7.38 terawatt-hours | +9.6% |
| 1991 | 5.61 terawatt-hours | -24.0% |
| 1992 | 9.2 terawatt-hours | +64.2% |
| 1993 | 10.53 terawatt-hours | +14.4% |
| 1994 | 6.9 terawatt-hours | -34.5% |
| 1995 | 8.32 terawatt-hours | +20.7% |
| 1996 | 8.81 terawatt-hours | +5.9% |
| 1997 | 5.94 terawatt-hours | -32.6% |
| 1998 | 7.49 terawatt-hours | +26.0% |
| 1999 | 5.18 terawatt-hours | -30.8% |
| 2000 | 3.82 terawatt-hours | -26.3% |
| 2001 | 4.16 terawatt-hours | +8.9% |
| 2002 | 8.04 terawatt-hours | +93.5% |
| 2003 | 9.62 terawatt-hours | +19.6% |
| 2004 | 11.98 terawatt-hours | +24.6% |
| 2005 | 14.52 terawatt-hours | +21.2% |
| 2006 | 18.63 terawatt-hours | +28.3% |
| 2007 | 18.1 terawatt-hours | -2.9% |
| 2008 | 7.63 terawatt-hours | -57.8% |
| 2009 | 6.95 terawatt-hours | -8.9% |
| 2010 | 10.45 terawatt-hours | +50.3% |
| 2011 | 11.29 terawatt-hours | +8.0% |
| 2012 | 17.25 terawatt-hours | +52.8% |
| 2013 | 27.8 terawatt-hours | +61.1% |
| 2014 | 27.18 terawatt-hours | -2.2% |
| 2015 | 24.04 terawatt-hours | -11.6% |
| 2016 | 35.27 terawatt-hours | +46.7% |
| 2017 | 38.79 terawatt-hours | +10.0% |
| 2018 | 31.75 terawatt-hours | -18.2% |
| 2019 | 54.56 terawatt-hours | +71.8% |
| 2020 | 44.17 terawatt-hours | -19.0% |
| 2021 | 12.53 terawatt-hours | -71.6% |
| 2022 | 35.84 terawatt-hours | +185.9% |
| 2023 | 44.86 terawatt-hours | +25.2% |
| 2024 | 42.44 terawatt-hours | -5.4% |
| 2025 | 31.77 terawatt-hours | -25.2% |
Iran compared with similar countries
- Iran's 31.77 terawatt-hours is below the median for upper middle income countries, which is 64.98 terawatt-hours, 49% of the median. (24 countries reporting)
- Iran's 31.77 terawatt-hours is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 13.55 terawatt-hours, 2.3× the median. (12 countries reporting)
Biggest year-on-year movements
Years where 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 |
|---|---|---|---|
| 2022 | +185.9% | 12.53 terawatt-hours | 35.84 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 2 terawatt-hours | 1.72 terawatt-hours | 2.3 terawatt-hours | 5 |
| 1970s | 3.77 terawatt-hours | 2.48 terawatt-hours | 6.21 terawatt-hours | 10 |
| 1980s | 6.59 terawatt-hours | 5.58 terawatt-hours | 8.25 terawatt-hours | 10 |
| 1990s | 7.54 terawatt-hours | 5.18 terawatt-hours | 10.53 terawatt-hours | 10 |
| 2000s | 10.35 terawatt-hours | 3.82 terawatt-hours | 18.63 terawatt-hours | 10 |
| 2010s | 27.84 terawatt-hours | 10.45 terawatt-hours | 54.56 terawatt-hours | 10 |
| 2020s | 35.27 terawatt-hours | 12.53 terawatt-hours | 44.86 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 primary energy from low-carbon energy in Iran?
- Primary energy from low-carbon energy in Iran was 31.77 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 primary energy from low-carbon energy recorded in Iran?
- The highest recorded value was 54.56 terawatt-hours in 2019.
- What is the lowest primary energy from low-carbon energy recorded in Iran?
- The lowest recorded value was 1.72 terawatt-hours in 1965.
- How does Iran rank for primary energy from low-carbon energy?
- Iran ranks 52nd out of 80 countries with data for 2025.
- Is primary energy from low-carbon energy rising or falling in Iran?
- Over the last ten years it is up 32.2%. 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 Primary energy from low-carbon energy. 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.