Iran Hydro Power: Generation, Share and Trend
Iran generated 12.0 TWh of electricity from hydro in 2025, 3.0% of its total, according to Ember. That made it the 46th largest hydro power producer in 2025 of the 153 countries with Ember data, comparing each country's latest year. Hydro supplied 14.0% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through April 2025; they are compiled from national sources and are not real time.
Key Facts
- Iran generated 12.0 TWh of electricity from hydro in 2025.
- Hydro supplied 3.0% of Iran's electricity in 2025.
- Iran was the 46th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
- Iran's hydro generation in 2025 was 48% lower than in 2020, when it was 23.2 TWh.
- Iran's hydro generation in 2025 was 10% lower than in 2015, when it was 13.3 TWh.
- Iran's hydro generation peaked at 33.9 TWh in 2019.
- Iran's hydro share in 2025 was below the world share of 14.0%.
- Iran had 11.8 GW of hydro generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Hydro generation | 12.0 TWh | 2025 · Ember |
| Share of Iran's electricity | 3.0% | 2025 · Ember |
| World share of hydro | 14.0% | 2025 · Ember |
| Rank by hydro generation (each country's latest year) | 46 of 153 | 2025 · Ember |
| Hydro capacity | 11.8 GW | 2025 · Ember |
Hydro Generation Year by Year
Ember annual statistics, 1985 to 2025Annual statistics through 2025, TWh
| Year | Hydro |
|---|---|
| 1985 | 5.90 TWh |
| 1986 | 7.05 TWh |
| 1987 | 7.82 TWh |
| 1988 | 8.25 TWh |
| 1989 | 6.73 TWh |
| 1990 | 7.38 TWh |
| 1991 | 5.61 TWh |
| 1992 | 9.20 TWh |
| 1993 | 10.5 TWh |
| 1994 | 6.90 TWh |
| 1995 | 8.32 TWh |
| 1996 | 8.81 TWh |
| 1997 | 5.94 TWh |
| 1998 | 7.49 TWh |
| 1999 | 5.14 TWh |
| 2000 | 3.78 TWh |
| 2001 | 4.12 TWh |
| 2002 | 8.01 TWh |
| 2003 | 9.59 TWh |
| 2004 | 11.9 TWh |
| 2005 | 14.5 TWh |
| 2006 | 18.5 TWh |
| 2007 | 18.0 TWh |
| 2008 | 7.44 TWh |
| 2009 | 6.72 TWh |
| 2010 | 10.3 TWh |
| 2011 | 10.7 TWh |
| 2012 | 12.5 TWh |
| 2013 | 14.6 TWh |
| 2014 | 14.5 TWh |
| 2015 | 13.3 TWh |
| 2016 | 15.4 TWh |
| 2017 | 17.2 TWh |
| 2018 | 9.84 TWh |
| 2019 | 33.9 TWh |
| 2020 | 23.2 TWh |
| 2021 | 13.8 TWh |
| 2022 | 14.0 TWh |
| 2023 | 22.8 TWh |
| 2024 | 18.9 TWh |
| 2025 | 12.0 TWh |
Annual statistics through 2025, % of generation
| Year | Iran | World |
|---|---|---|
| 1985 | 15.2% | n/a |
| 1986 | 16.7% | n/a |
| 1987 | 17.3% | n/a |
| 1988 | 17.6% | n/a |
| 1989 | 13.1% | n/a |
| 1990 | 12.8% | n/a |
| 1991 | 8.9% | n/a |
| 1992 | 13.7% | n/a |
| 1993 | 14.1% | n/a |
| 1994 | 8.5% | n/a |
| 1995 | 9.9% | n/a |
| 1996 | 9.8% | n/a |
| 1997 | 6.1% | n/a |
| 1998 | 7.3% | n/a |
| 1999 | 4.7% | n/a |
| 2000 | 3.2% | 17.2% |
| 2001 | 3.2% | 16.5% |
| 2002 | 5.8% | 16.3% |
| 2003 | 6.3% | 15.7% |
| 2004 | 7.3% | 16.1% |
| 2005 | 8.2% | 16.1% |
| 2006 | 9.6% | 16.0% |
| 2007 | 8.8% | 15.5% |
| 2008 | 3.5% | 16.1% |
| 2009 | 3.0% | 16.3% |
| 2010 | 4.4% | 16.1% |
| 2011 | 4.5% | 15.9% |
| 2012 | 5.0% | 16.3% |
| 2013 | 5.7% | 16.4% |
| 2014 | 5.3% | 16.3% |
| 2015 | 4.7% | 16.2% |
| 2016 | 5.4% | 16.3% |
| 2017 | 5.7% | 16.0% |
| 2018 | 3.2% | 15.8% |
| 2019 | 10.6% | 15.8% |
| 2020 | 6.9% | 16.3% |
| 2021 | 3.9% | 15.2% |
| 2022 | 3.8% | 15.0% |
| 2023 | 6.0% | 14.3% |
| 2024 | 4.8% | 14.4% |
| 2025 | 3.0% | 14.0% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 12.0 TWh | 3.0% | 14.0% | 11.8 GW |
| 2024 | 18.9 TWh | 4.8% | 14.4% | 11.8 GW |
| 2023 | 22.8 TWh | 6.0% | 14.3% | 11.7 GW |
| 2022 | 14.0 TWh | 3.8% | 15.0% | 11.5 GW |
| 2021 | 13.8 TWh | 3.9% | 15.2% | 11.2 GW |
| 2020 | 23.2 TWh | 6.9% | 16.3% | 11.2 GW |
| 2019 | 33.9 TWh | 10.6% | 15.8% | 11.1 GW |
| 2018 | 9.84 TWh | 3.2% | 15.8% | 11.1 GW |
| 2017 | 17.2 TWh | 5.7% | 16.0% | 10.9 GW |
| 2016 | 15.4 TWh | 5.4% | 16.3% | 10.5 GW |
Full year by year history for Iran
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.
Hydro Generation Month by Month
Ember monthly statistics through April 2025Monthly statistics through April 2025, TWh
| Month | Hydro |
|---|---|
| 2023-05 | 2.64 TWh |
| 2023-06 | 2.66 TWh |
| 2023-07 | 3.70 TWh |
| 2023-08 | 2.81 TWh |
| 2023-09 | 1.30 TWh |
| 2023-10 | 750 GWh |
| 2023-11 | 550 GWh |
| 2023-12 | 460 GWh |
| 2024-01 | 570 GWh |
| 2024-02 | 670 GWh |
| 2024-03 | 2.79 TWh |
| 2024-04 | 1.93 TWh |
| 2024-05 | 2.49 TWh |
| 2024-06 | 3.22 TWh |
| 2024-07 | 4.37 TWh |
| 2024-08 | 2.73 TWh |
| 2024-09 | 1.30 TWh |
| 2024-10 | 790 GWh |
| 2024-11 | 600 GWh |
| 2024-12 | 660 GWh |
| 2025-01 | 510 GWh |
| 2025-02 | 830 GWh |
| 2025-03 | 1.37 TWh |
| 2025-04 | 1.05 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of April 2025. Monthly figures for Iran can differ slightly from the annual totals.