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
In 2025, hydropower generation by region in Iran stood at 11.96 terawatt-hours.
That represents a change of 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 economy & growth data for Iran
- External balance on goods and services as a percent of GDP -8.7% (2025)
- Inflation of consumer prices 42.2% (2025)
- GDP per capita 5,617 constant 2015 US$ (2025)
- Share of manufacturing in gross domestic product (GDP) 20.6% (2024)
- Gross domestic product (GDP) 519.15 billion constant 2015 US$ (2025)
- GDP per capita in international and market dollars 5,617 constant 2015 US$ (2025)
- DEC alternative conversion factor 742,604 LCU per US$ (2025)
- Net secondary income (Net current transfers from abroad) 24.25 trillion current LCU (2015)
- Net secondary income (Net current transfers from abroad) 819.70 million current US$ (2015)
- Taxes less subsidies on products 7,193.77 trillion current LCU (2024)
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.