Hydropower generation by region in Iran
Iran: Hydropower generation by region was 11.96 terawatt-hours in 2025. ◆ Volatile
Hydropower generation by region in Iran, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Iran recorded 11.96 terawatt-hours for hydropower generation by region in 2025.
The figure is down 36.6% on the previous year and down 9.8% over ten years.
Over the whole period, hydropower generation by region in Iran peaked at 33.87 terawatt-hours in 2019 and was at its lowest, 1.72 terawatt-hours, in 1965.
Iran ranks 36th of 79 countries on this measure, in the middle of the range.
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 | 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 | 7.53 terawatt-hours | 5.14 terawatt-hours | 10.53 terawatt-hours | 10 |
| 2000s | 10.25 terawatt-hours | 3.78 terawatt-hours | 18.51 terawatt-hours | 10 |
| 2010s | 15.22 terawatt-hours | 9.84 terawatt-hours | 33.87 terawatt-hours | 10 |
| 2020s | 17.45 terawatt-hours | 11.96 terawatt-hours | 23.2 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 62.86 (2023)
Frequently asked questions
- What is hydropower generation by region in Iran?
- Hydropower generation by region in Iran was 11.96 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 hydropower generation by region recorded in Iran?
- The highest recorded value was 33.87 terawatt-hours in 2019.
- What is the lowest hydropower generation by region recorded in Iran?
- The lowest recorded value was 1.72 terawatt-hours in 1965.
- How does Iran rank for hydropower generation by region?
- Iran ranks 36th out of 79 countries with data for 2025.
- Is hydropower generation by region rising or falling in Iran?
- Over the last ten years it is down 9.8%. 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 Hydropower generation by region. 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
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.