Cambodia Hydro Power: Generation, Share and Trend
Cambodia generated 5.31 TWh of electricity from hydro in 2025, 29.9% of its total, according to Ember. That made it the 68th 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; they are compiled from national sources and are not real time.
Key Facts
- Cambodia generated 5.31 TWh of electricity from hydro in 2025.
- Hydro supplied 29.9% of Cambodia's electricity in 2025.
- Cambodia was the 68th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
- Cambodia's hydro generation in 2025 was 38% higher than in 2020, when it was 3.86 TWh.
- Cambodia's hydro generation in 2025 was 146% higher than in 2015, when it was 2.16 TWh.
- Cambodia's hydro generation peaked at 5.90 TWh in 2022.
- Cambodia's hydro share in 2025 was above the world share of 14.0%.
- Cambodia had 1.80 GW of hydro generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Hydro generation | 5.31 TWh | 2025 · Ember |
| Share of Cambodia's electricity | 29.9% | 2025 · Ember |
| World share of hydro | 14.0% | 2025 · Ember |
| Rank by hydro generation (each country's latest year) | 68 of 153 | 2025 · Ember |
| Hydro capacity | 1.80 GW | 2025 · Ember |
Hydro Generation Year by Year
Ember annual statistics, 2000 to 2025Annual statistics through 2025, GWh
| Year | Hydro |
|---|---|
| 2000 | 30.0 GWh |
| 2001 | 30.0 GWh |
| 2002 | 40.0 GWh |
| 2003 | 40.0 GWh |
| 2004 | 30.0 GWh |
| 2005 | 40.0 GWh |
| 2006 | 50.0 GWh |
| 2007 | 50.0 GWh |
| 2008 | 50.0 GWh |
| 2009 | 50.0 GWh |
| 2010 | 30.0 GWh |
| 2011 | 50.0 GWh |
| 2012 | 520 GWh |
| 2013 | 1.02 TWh |
| 2014 | 1.85 TWh |
| 2015 | 2.16 TWh |
| 2016 | 2.57 TWh |
| 2017 | 2.71 TWh |
| 2018 | 4.74 TWh |
| 2019 | 4.03 TWh |
| 2020 | 3.86 TWh |
| 2021 | 5.04 TWh |
| 2022 | 5.90 TWh |
| 2023 | 4.84 TWh |
| 2024 | 4.37 TWh |
| 2025 | 5.31 TWh |
Annual statistics through 2025, % of generation
| Year | Cambodia | World |
|---|---|---|
| 2000 | 6.3% | 17.2% |
| 2001 | 5.8% | 16.5% |
| 2002 | 7.0% | 16.3% |
| 2003 | 6.3% | 15.7% |
| 2004 | 4.1% | 16.1% |
| 2005 | 4.5% | 16.1% |
| 2006 | 4.6% | 16.0% |
| 2007 | 3.7% | 15.5% |
| 2008 | 3.4% | 16.1% |
| 2009 | 4.0% | 16.3% |
| 2010 | 3.1% | 16.1% |
| 2011 | 4.9% | 15.9% |
| 2012 | 36.4% | 16.3% |
| 2013 | 57.3% | 16.4% |
| 2014 | 60.5% | 16.3% |
| 2015 | 48.1% | 16.2% |
| 2016 | 46.9% | 16.3% |
| 2017 | 40.9% | 16.0% |
| 2018 | 58.0% | 15.8% |
| 2019 | 46.5% | 15.8% |
| 2020 | 51.3% | 16.3% |
| 2021 | 51.9% | 15.2% |
| 2022 | 58.4% | 15.0% |
| 2023 | 35.6% | 14.3% |
| 2024 | 28.2% | 14.4% |
| 2025 | 29.9% | 14.0% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 5.31 TWh | 29.9% | 14.0% | 1.80 GW |
| 2024 | 4.37 TWh | 28.2% | 14.4% | 1.80 GW |
| 2023 | 4.84 TWh | 35.6% | 14.3% | 1.33 GW |
| 2022 | 5.90 TWh | 58.4% | 15.0% | 1.33 GW |
| 2021 | 5.04 TWh | 51.9% | 15.2% | 1.33 GW |
| 2020 | 3.86 TWh | 51.3% | 16.3% | 1.33 GW |
| 2019 | 4.03 TWh | 46.5% | 15.8% | 1.33 GW |
| 2018 | 4.74 TWh | 58.0% | 15.8% | 1.33 GW |
| 2017 | 2.71 TWh | 40.9% | 16.0% | 980 MW |
| 2016 | 2.57 TWh | 46.9% | 16.3% | 930 MW |
Full year by year history for Cambodia
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.