Portugal generated 15.2 TWh of electricity from hydro in 2025, 29.7% of its total, according to Ember. That made it the 36th 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
Portugal generated 15.2 TWh of electricity from hydro in 2025.
Hydro supplied 29.7% of Portugal's electricity in 2025.
Portugal was the 36th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
Portugal's hydro generation in 2025 was 26% higher than in 2020, when it was 12.1 TWh.
Portugal's hydro generation in 2025 was 76% higher than in 2015, when it was 8.66 TWh.
Portugal's hydro generation peaked at 16.2 TWh in 2010.
Portugal's hydro share in 2025 was above the world share of 14.0%.
Portugal had 8.37 GW of hydro generating capacity in 2025.
Key Figures, 2025
Measure
Value
As of / source
Hydro generation
15.2 TWh
2025 · Ember
Share of Portugal's electricity
29.7%
2025 · Ember
World share of hydro
14.0%
2025 · Ember
Rank by hydro generation (each country's latest year)
36 of 153
2025 · Ember
Hydro capacity
8.37 GW
2025 · Ember
Hydro Generation Year by Year
Ember annual statistics, 1990 to 2025
Hydro
Portugal's electricity generation from hydro each year from 1990 to 2025, in TWh. It was 15.2 TWh in 2025.
Annual statistics through 2025, TWh
Portugal hydro electricity generation, 1990 to 2025
Year
Hydro
1990
9.14 TWh
1991
9.03 TWh
1992
4.61 TWh
1993
8.52 TWh
1994
10.7 TWh
1995
8.33 TWh
1996
14.8 TWh
1997
13.1 TWh
1998
13.0 TWh
1999
7.26 TWh
2000
11.3 TWh
2001
14.0 TWh
2002
7.80 TWh
2003
15.7 TWh
2004
9.87 TWh
2005
4.73 TWh
2006
11.0 TWh
2007
10.1 TWh
2008
6.80 TWh
2009
8.28 TWh
2010
16.2 TWh
2011
11.5 TWh
2012
5.62 TWh
2013
13.7 TWh
2014
15.6 TWh
2015
8.66 TWh
2016
15.7 TWh
2017
5.90 TWh
2018
12.4 TWh
2019
8.82 TWh
2020
12.1 TWh
2021
11.9 TWh
2022
6.54 TWh
2023
12.0 TWh
2024
14.9 TWh
2025
15.2 TWh
PortugalWorld
The share of Portugal's electricity generated from hydro, 1990 to 2025, compared with the world share. In 2025 it was 29.7%, against 14.0% worldwide.
Annual statistics through 2025, % of generation
Share of Portugal's electricity from hydro and the world share, 1990 to 2025
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 2026
Hydro
Portugal generated 370 GWh of electricity from hydro in August 2026, against 430 GWh in August 2025.
Monthly statistics through August 2026, TWh
Portugal monthly hydro electricity generation, September 2024 to August 2026
Month
Hydro
2024-09
400 GWh
2024-10
860 GWh
2024-11
780 GWh
2024-12
540 GWh
2025-01
1.25 TWh
2025-02
1.78 TWh
2025-03
1.76 TWh
2025-04
1.60 TWh
2025-05
1.35 TWh
2025-06
570 GWh
2025-07
350 GWh
2025-08
430 GWh
2025-09
410 GWh
2025-10
460 GWh
2025-11
860 GWh
2025-12
1.50 TWh
2026-01
1.56 TWh
2026-02
1.27 TWh
2026-03
1.49 TWh
2026-04
750 GWh
2026-05
750 GWh
2026-06
390 GWh
2026-07
610 GWh
2026-08
370 GWh
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026. Monthly figures for Portugal can differ slightly from the annual totals.