Built 2026-09-19 (19 September 2026)

Romania Hydro Power: Generation, Share and Trend

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

MeasureValueAs of / source
Hydro generation12.1 TWh2025 · Ember
Share of Romania's electricity24.2%2025 · Ember
World share of hydro14.0%2025 · Ember
Rank by hydro generation (each country's latest year)44 of 1532025 · Ember
Hydro capacity6.62 GW2025 · Ember

Hydro Generation Year by Year

Ember annual statistics, 1990 to 2025
Romania hydro electricity generation, 1990 to 2025 Romania's electricity generation from hydro each year from 1990 to 2025, in TWh. It was 12.1 TWh in 2025. 0 6 13 19 25 19901995200020052010201520202025
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
YearHydro
199011.4 TWh
199114.6 TWh
199211.7 TWh
199312.8 TWh
199413.1 TWh
199516.7 TWh
199615.8 TWh
199717.5 TWh
199818.9 TWh
199918.3 TWh
200014.8 TWh
200114.9 TWh
200216.1 TWh
200313.3 TWh
200416.5 TWh
200520.2 TWh
200618.4 TWh
200716.0 TWh
200817.2 TWh
200915.5 TWh
201019.9 TWh
201114.7 TWh
201212.1 TWh
201315.0 TWh
201418.8 TWh
201516.6 TWh
201618.0 TWh
201714.5 TWh
201817.7 TWh
201915.6 TWh
202015.4 TWh
202117.4 TWh
202214.0 TWh
202318.1 TWh
202414.2 TWh
202512.1 TWh
Share of Romania's electricity from hydro and the world share, 1990 to 2025 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. 0 10 20 30 40 19901995200020052010201520202025
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
YearRomaniaWorld
199017.7%n/a
199125.7%n/a
199221.7%n/a
199323.1%n/a
199423.7%n/a
199528.3%n/a
199625.8%n/a
199730.9%n/a
199835.6%n/a
199936.2%n/a
200028.7%17.2%
200127.9%16.5%
200229.5%16.3%
200324.2%15.7%
200429.2%16.1%
200534.1%16.1%
200629.4%16.0%
200725.9%15.5%
200826.5%16.1%
200927.0%16.3%
201032.9%16.1%
201123.8%15.9%
201220.6%16.3%
201325.7%16.4%
201429.0%16.3%
201525.3%16.2%
201628.1%16.3%
201722.8%16.0%
201827.6%15.8%
201926.5%15.8%
202027.9%16.3%
202129.7%15.2%
202225.5%15.0%
202331.9%14.3%
202426.9%14.4%
202524.2%14.0%
YearGenerationShareWorld shareCapacity
2025 12.1 TWh 24.2% 14.0% 6.62 GW
2024 14.2 TWh 26.9% 14.4% 6.57 GW
2023 18.1 TWh 31.9% 14.3% 6.60 GW
2022 14.0 TWh 25.5% 15.0% 6.57 GW
2021 17.4 TWh 29.7% 15.2% 6.57 GW
2020 15.4 TWh 27.9% 16.3% 6.56 GW
2019 15.6 TWh 26.5% 15.8% 6.59 GW
2018 17.7 TWh 27.6% 15.8% 6.61 GW
2017 14.5 TWh 22.8% 16.0% 6.60 GW
2016 18.0 TWh 28.1% 16.3% 6.64 GW

Full year by year history for Romania

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
Romania monthly hydro electricity generation, September 2024 to August 2026 Romania generated 770 GWh of electricity from hydro in August 2026, against 860 GWh in August 2025. 0.00 0.38 0.75 1.13 1.50 2024-092025-032025-092026-03
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
MonthHydro
2024-09870 GWh
2024-101.07 TWh
2024-11870 GWh
2024-12890 GWh
2025-01860 GWh
2025-02820 GWh
2025-031.01 TWh
2025-041.14 TWh
2025-051.25 TWh
2025-061.15 TWh
2025-07830 GWh
2025-08860 GWh
2025-09770 GWh
2025-10930 GWh
2025-111.16 TWh
2025-121.37 TWh
2026-011.17 TWh
2026-021.31 TWh
2026-031.26 TWh
2026-041.32 TWh
2026-051.23 TWh
2026-061.09 TWh
2026-07890 GWh
2026-08770 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.