Romania generated 12.1 TWh of electricity from hydro in 2025, 24.2% of its total, according to Ember. That made it the 44th 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
Romania generated 12.1 TWh of electricity from hydro in 2025.
Hydro supplied 24.2% of Romania's electricity in 2025.
Romania was the 44th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
Romania's hydro generation in 2025 was 21% lower than in 2020, when it was 15.4 TWh.
Romania's hydro generation in 2025 was 27% lower than in 2015, when it was 16.6 TWh.
Romania's hydro generation peaked at 20.2 TWh in 2005.
Romania's hydro share in 2025 was above the world share of 14.0%.
Romania had 6.62 GW of hydro generating capacity in 2025.
Key Figures, 2025
Measure
Value
As of / source
Hydro generation
12.1 TWh
2025 · Ember
Share of Romania's electricity
24.2%
2025 · Ember
World share of hydro
14.0%
2025 · Ember
Rank by hydro generation (each country's latest year)
44 of 153
2025 · Ember
Hydro capacity
6.62 GW
2025 · Ember
Hydro Generation Year by Year
Ember annual statistics, 1990 to 2025
Hydro
Romania's electricity generation from hydro each year from 1990 to 2025, in TWh. It was 12.1 TWh in 2025.
Annual statistics through 2025, TWh
Romania hydro electricity generation, 1990 to 2025
Year
Hydro
1990
11.4 TWh
1991
14.6 TWh
1992
11.7 TWh
1993
12.8 TWh
1994
13.1 TWh
1995
16.7 TWh
1996
15.8 TWh
1997
17.5 TWh
1998
18.9 TWh
1999
18.3 TWh
2000
14.8 TWh
2001
14.9 TWh
2002
16.1 TWh
2003
13.3 TWh
2004
16.5 TWh
2005
20.2 TWh
2006
18.4 TWh
2007
16.0 TWh
2008
17.2 TWh
2009
15.5 TWh
2010
19.9 TWh
2011
14.7 TWh
2012
12.1 TWh
2013
15.0 TWh
2014
18.8 TWh
2015
16.6 TWh
2016
18.0 TWh
2017
14.5 TWh
2018
17.7 TWh
2019
15.6 TWh
2020
15.4 TWh
2021
17.4 TWh
2022
14.0 TWh
2023
18.1 TWh
2024
14.2 TWh
2025
12.1 TWh
RomaniaWorld
The share of Romania's electricity generated from hydro, 1990 to 2025, compared with the world share. In 2025 it was 24.2%, against 14.0% worldwide.
Annual statistics through 2025, % of generation
Share of Romania'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
Romania generated 770 GWh of electricity from hydro in August 2026, against 860 GWh in August 2025.
Monthly statistics through August 2026, TWh
Romania monthly hydro electricity generation, September 2024 to August 2026
Month
Hydro
2024-09
870 GWh
2024-10
1.07 TWh
2024-11
870 GWh
2024-12
890 GWh
2025-01
860 GWh
2025-02
820 GWh
2025-03
1.01 TWh
2025-04
1.14 TWh
2025-05
1.25 TWh
2025-06
1.15 TWh
2025-07
830 GWh
2025-08
860 GWh
2025-09
770 GWh
2025-10
930 GWh
2025-11
1.16 TWh
2025-12
1.37 TWh
2026-01
1.17 TWh
2026-02
1.31 TWh
2026-03
1.26 TWh
2026-04
1.32 TWh
2026-05
1.23 TWh
2026-06
1.09 TWh
2026-07
890 GWh
2026-08
770 GWh
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026. Monthly figures for Romania can differ slightly from the annual totals.