Vietnam Hydro Power: Generation, Share and Trend
Vietnam generated 102 TWh of electricity from hydro in 2025, 31.0% of its total, according to Ember. That made it the 8th 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 October 2025; they are compiled from national sources and are not real time.
Key Facts
- Vietnam generated 102 TWh of electricity from hydro in 2025.
- Hydro supplied 31.0% of Vietnam's electricity in 2025.
- Vietnam was the 8th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
- Vietnam's hydro generation in 2025 was 40% higher than in 2020, when it was 72.9 TWh.
- Vietnam's hydro generation in 2025 was 81% higher than in 2015, when it was 56.1 TWh.
- 2025 was Vietnam's highest year for hydro generation in Ember's records, which start in 1985.
- Vietnam's hydro share in 2025 was above the world share of 14.0%.
- Vietnam had 24.7 GW of hydro generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Hydro generation | 102 TWh | 2025 · Ember |
| Share of Vietnam's electricity | 31.0% | 2025 · Ember |
| World share of hydro | 14.0% | 2025 · Ember |
| Rank by hydro generation (each country's latest year) | 8 of 153 | 2025 · Ember |
| Hydro capacity | 24.7 GW | 2025 · Ember |
Hydro Generation Year by Year
Ember annual statistics, 1985 to 2025Annual statistics through 2025, TWh
| Year | Hydro |
|---|---|
| 1985 | 1.48 TWh |
| 1986 | 1.41 TWh |
| 1987 | 1.38 TWh |
| 1988 | 1.79 TWh |
| 1989 | 3.84 TWh |
| 1990 | 5.37 TWh |
| 1991 | 6.32 TWh |
| 1992 | 7.23 TWh |
| 1993 | 7.96 TWh |
| 1994 | 9.24 TWh |
| 1995 | 10.6 TWh |
| 1996 | 12.0 TWh |
| 1997 | 11.7 TWh |
| 1998 | 11.1 TWh |
| 1999 | 13.8 TWh |
| 2000 | 14.6 TWh |
| 2001 | 18.2 TWh |
| 2002 | 18.2 TWh |
| 2003 | 19.0 TWh |
| 2004 | 17.8 TWh |
| 2005 | 16.5 TWh |
| 2006 | 19.7 TWh |
| 2007 | 22.4 TWh |
| 2008 | 26.0 TWh |
| 2009 | 30.0 TWh |
| 2010 | 28.5 TWh |
| 2011 | 41.1 TWh |
| 2012 | 53.3 TWh |
| 2013 | 57.8 TWh |
| 2014 | 62.2 TWh |
| 2015 | 56.1 TWh |
| 2016 | 63.9 TWh |
| 2017 | 85.9 TWh |
| 2018 | 83.1 TWh |
| 2019 | 66.1 TWh |
| 2020 | 72.9 TWh |
| 2021 | 78.7 TWh |
| 2022 | 95.9 TWh |
| 2023 | 80.6 TWh |
| 2024 | 88.7 TWh |
| 2025 | 102 TWh |
Annual statistics through 2025, % of generation
| Year | Vietnam | World |
|---|---|---|
| 1985 | 29.1% | n/a |
| 1986 | 25.5% | n/a |
| 1987 | 22.9% | n/a |
| 1988 | 26.4% | n/a |
| 1989 | 49.3% | n/a |
| 1990 | 61.9% | n/a |
| 1991 | 68.6% | n/a |
| 1992 | 74.5% | n/a |
| 1993 | 74.7% | n/a |
| 1994 | 75.2% | n/a |
| 1995 | 72.2% | n/a |
| 1996 | 70.9% | n/a |
| 1997 | 60.9% | n/a |
| 1998 | 51.2% | n/a |
| 1999 | 58.5% | n/a |
| 2000 | 54.8% | 17.2% |
| 2001 | 59.5% | 16.5% |
| 2002 | 50.8% | 16.3% |
| 2003 | 46.4% | 15.7% |
| 2004 | 38.6% | 16.1% |
| 2005 | 31.8% | 16.1% |
| 2006 | 34.0% | 16.0% |
| 2007 | 35.0% | 15.5% |
| 2008 | 36.6% | 16.1% |
| 2009 | 37.2% | 16.3% |
| 2010 | 31.1% | 16.1% |
| 2011 | 40.5% | 15.9% |
| 2012 | 46.3% | 16.3% |
| 2013 | 46.5% | 16.4% |
| 2014 | 44.0% | 16.3% |
| 2015 | 34.7% | 16.2% |
| 2016 | 35.7% | 16.3% |
| 2017 | 44.1% | 16.0% |
| 2018 | 38.3% | 15.8% |
| 2019 | 27.9% | 15.8% |
| 2020 | 29.8% | 16.3% |
| 2021 | 30.9% | 15.2% |
| 2022 | 35.9% | 15.0% |
| 2023 | 28.6% | 14.3% |
| 2024 | 28.6% | 14.4% |
| 2025 | 31.0% | 14.0% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 102 TWh | 31.0% | 14.0% | 24.7 GW |
| 2024 | 88.7 TWh | 28.6% | 14.4% | 23.7 GW |
| 2023 | 80.6 TWh | 28.6% | 14.3% | 22.9 GW |
| 2022 | 95.9 TWh | 35.9% | 15.0% | 22.5 GW |
| 2021 | 78.7 TWh | 30.9% | 15.2% | 21.9 GW |
| 2020 | 72.9 TWh | 29.8% | 16.3% | 20.8 GW |
| 2019 | 66.1 TWh | 27.9% | 15.8% | 20.3 GW |
| 2018 | 83.1 TWh | 38.3% | 15.8% | 18.0 GW |
| 2017 | 85.9 TWh | 44.1% | 16.0% | 17.8 GW |
| 2016 | 63.9 TWh | 35.7% | 16.3% | 17.9 GW |
Full year by year history for Vietnam
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 October 2025Monthly statistics through October 2025, TWh
| Month | Hydro |
|---|---|
| 2023-11 | 7.83 TWh |
| 2023-12 | 8.62 TWh |
| 2024-01 | 4.79 TWh |
| 2024-02 | 2.56 TWh |
| 2024-03 | 3.27 TWh |
| 2024-04 | 3.79 TWh |
| 2024-05 | 4.67 TWh |
| 2024-06 | 9.55 TWh |
| 2024-07 | 12.3 TWh |
| 2024-08 | 12.1 TWh |
| 2024-09 | 12.6 TWh |
| 2024-10 | 10.7 TWh |
| 2024-11 | 10.5 TWh |
| 2024-12 | 11.3 TWh |
| 2025-01 | 3.80 TWh |
| 2025-02 | 5.49 TWh |
| 2025-03 | 4.51 TWh |
| 2025-04 | 4.70 TWh |
| 2025-05 | 7.20 TWh |
| 2025-06 | 10.8 TWh |
| 2025-07 | 13.4 TWh |
| 2025-08 | 12.6 TWh |
| 2025-09 | 11.9 TWh |
| 2025-10 | 13.3 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of October 2025. Monthly figures for Vietnam can differ slightly from the annual totals.