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) – 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 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.
Year-to-year change in primary energy use by source 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 | 0.0001 terawatt-hours | — |
| 2007 | 0 terawatt-hours | -100.0% |
| 2008 | 0.0001 terawatt-hours | — |
| 2009 | 0.0001 terawatt-hours | +0.0% |
| 2010 | 0.0004 terawatt-hours | +300.0% |
| 2011 | 0 terawatt-hours | -100.0% |
| 2012 | 0 terawatt-hours | — |
| 2013 | 0 terawatt-hours | — |
| 2014 | 0 terawatt-hours | — |
| 2015 | 0.0008 terawatt-hours | — |
| 2016 | 0.0035 terawatt-hours | +337.5% |
| 2017 | 0.0808 terawatt-hours | +2208.7% |
| 2018 | 0.136 terawatt-hours | +68.3% |
| 2019 | 0.2887 terawatt-hours | +112.2% |
| 2020 | 0.0734 terawatt-hours | -74.6% |
| 2021 | 0.0358 terawatt-hours | -51.3% |
| 2022 | 0.116 terawatt-hours | +224.3% |
| 2023 | 0 terawatt-hours | -100.0% |
| 2024 | 0.2334 terawatt-hours | — |
| 2025 | 1.23 terawatt-hours | +428.7% |
Iran compared with similar countries
- Iran's 1.23 terawatt-hours is above the median for upper middle income countries, which is 0.9127 terawatt-hours, 1.4× the median. (24 countries reporting)
- Iran's 1.23 terawatt-hours is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 2.06 terawatt-hours, 60% of the median. (12 countries reporting)
Biggest year-on-year movements
Years where Year-to-year change in primary energy use by source 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 |
|---|---|---|---|
| 2017 | +2208.7% | 0.0035 terawatt-hours | 0.0808 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 | 0.0001 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
- 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 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) – 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 80 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) – 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.