Spain Hydro Power: Generation, Share and Trend
Spain generated 32.8 TWh of electricity from hydro in 2025, 11.4% of its total, according to Ember. That made it the 23rd 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 August 2026; they are compiled from national sources and are not real time.
Key Facts
- Spain generated 32.8 TWh of electricity from hydro in 2025.
- Hydro supplied 11.4% of Spain's electricity in 2025.
- Spain was the 23rd largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
- Spain's hydro generation in 2025 was 7% higher than in 2020, when it was 30.5 TWh.
- Spain's hydro generation in 2025 was 16% higher than in 2015, when it was 28.1 TWh.
- Spain's hydro generation peaked at 42.3 TWh in 2010.
- Spain's hydro share in 2025 was below the world share of 14.0%.
- Spain had 16.8 GW of hydro generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Hydro generation | 32.8 TWh | 2025 · Ember |
| Share of Spain's electricity | 11.4% | 2025 · Ember |
| World share of hydro | 14.0% | 2025 · Ember |
| Rank by hydro generation (each country's latest year) | 23 of 153 | 2025 · Ember |
| Hydro capacity | 16.8 GW | 2025 · Ember |
Hydro Generation Year by Year
Ember annual statistics, 1990 to 2025Annual statistics through 2025, TWh
| Year | Hydro |
|---|---|
| 1990 | 25.5 TWh |
| 1991 | 27.3 TWh |
| 1992 | 18.9 TWh |
| 1993 | 24.4 TWh |
| 1994 | 28.2 TWh |
| 1995 | 23.1 TWh |
| 1996 | 39.8 TWh |
| 1997 | 34.8 TWh |
| 1998 | 34.0 TWh |
| 1999 | 22.8 TWh |
| 2000 | 28.3 TWh |
| 2001 | 40.9 TWh |
| 2002 | 21.2 TWh |
| 2003 | 40.5 TWh |
| 2004 | 31.1 TWh |
| 2005 | 18.4 TWh |
| 2006 | 26.0 TWh |
| 2007 | 27.3 TWh |
| 2008 | 23.4 TWh |
| 2009 | 26.4 TWh |
| 2010 | 42.3 TWh |
| 2011 | 30.6 TWh |
| 2012 | 20.6 TWh |
| 2013 | 36.9 TWh |
| 2014 | 39.2 TWh |
| 2015 | 28.1 TWh |
| 2016 | 36.4 TWh |
| 2017 | 18.3 TWh |
| 2018 | 34.3 TWh |
| 2019 | 24.7 TWh |
| 2020 | 30.5 TWh |
| 2021 | 29.6 TWh |
| 2022 | 17.6 TWh |
| 2023 | 25.0 TWh |
| 2024 | 34.4 TWh |
| 2025 | 32.8 TWh |
Annual statistics through 2025, % of generation
| Year | Spain | World |
|---|---|---|
| 1990 | 16.9% | n/a |
| 1991 | 17.6% | n/a |
| 1992 | 12.1% | n/a |
| 1993 | 15.7% | n/a |
| 1994 | 17.6% | n/a |
| 1995 | 14.0% | n/a |
| 1996 | 23.0% | n/a |
| 1997 | 18.4% | n/a |
| 1998 | 17.6% | n/a |
| 1999 | 11.1% | n/a |
| 2000 | 12.8% | 17.2% |
| 2001 | 17.5% | 16.5% |
| 2002 | 8.9% | 16.3% |
| 2003 | 15.7% | 15.7% |
| 2004 | 11.2% | 16.1% |
| 2005 | 6.4% | 16.1% |
| 2006 | 8.8% | 16.0% |
| 2007 | 9.1% | 15.5% |
| 2008 | 7.5% | 16.1% |
| 2009 | 9.1% | 16.3% |
| 2010 | 14.2% | 16.1% |
| 2011 | 10.5% | 15.9% |
| 2012 | 7.0% | 16.3% |
| 2013 | 13.1% | 16.4% |
| 2014 | 14.3% | 16.3% |
| 2015 | 10.2% | 16.2% |
| 2016 | 13.5% | 16.3% |
| 2017 | 6.7% | 16.0% |
| 2018 | 12.7% | 15.8% |
| 2019 | 9.1% | 15.8% |
| 2020 | 11.8% | 16.3% |
| 2021 | 10.9% | 15.2% |
| 2022 | 6.1% | 15.0% |
| 2023 | 9.0% | 14.3% |
| 2024 | 12.3% | 14.4% |
| 2025 | 11.4% | 14.0% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 32.8 TWh | 11.4% | 14.0% | 16.8 GW |
| 2024 | 34.4 TWh | 12.3% | 14.4% | 16.8 GW |
| 2023 | 25.0 TWh | 9.0% | 14.3% | 16.8 GW |
| 2022 | 17.6 TWh | 6.1% | 15.0% | 16.8 GW |
| 2021 | 29.6 TWh | 10.9% | 15.2% | 16.8 GW |
| 2020 | 30.5 TWh | 11.8% | 16.3% | 16.8 GW |
| 2019 | 24.7 TWh | 9.1% | 15.8% | 16.8 GW |
| 2018 | 34.3 TWh | 12.7% | 15.8% | 16.8 GW |
| 2017 | 18.3 TWh | 6.7% | 16.0% | 16.8 GW |
| 2016 | 36.4 TWh | 13.5% | 16.3% | 16.8 GW |
Full year by year history for Spain
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 August 2026Monthly statistics through August 2026, TWh
| Month | Hydro |
|---|---|
| 2024-09 | 1.52 TWh |
| 2024-10 | 2.66 TWh |
| 2024-11 | 2.36 TWh |
| 2024-12 | 2.29 TWh |
| 2025-01 | 2.85 TWh |
| 2025-02 | 3.70 TWh |
| 2025-03 | 3.89 TWh |
| 2025-04 | 3.80 TWh |
| 2025-05 | 3.35 TWh |
| 2025-06 | 2.18 TWh |
| 2025-07 | 1.60 TWh |
| 2025-08 | 1.46 TWh |
| 2025-09 | 1.38 TWh |
| 2025-10 | 1.45 TWh |
| 2025-11 | 1.82 TWh |
| 2025-12 | 2.77 TWh |
| 2026-01 | 2.84 TWh |
| 2026-02 | 4.17 TWh |
| 2026-03 | 3.85 TWh |
| 2026-04 | 2.32 TWh |
| 2026-05 | 2.50 TWh |
| 2026-06 | 1.86 TWh |
| 2026-07 | 1.71 TWh |
| 2026-08 | 1.32 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026. Monthly figures for Spain can differ slightly from the annual totals.