Greece Hydro Power: Generation, Share and Trend
Greece generated 3.43 TWh of electricity from hydro in 2025, 5.9% of its total, according to Ember. That made it the 76th 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
- Greece generated 3.43 TWh of electricity from hydro in 2025.
- Hydro supplied 5.9% of Greece's electricity in 2025.
- Greece was the 76th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
- Greece's hydro generation in 2025 was 3% higher than in 2020, when it was 3.34 TWh.
- Greece's hydro generation in 2025 was 44% lower than in 2015, when it was 6.10 TWh.
- Greece's hydro generation peaked at 7.47 TWh in 2010.
- Greece's hydro share in 2025 was below the world share of 14.0%.
- Greece had 3.49 GW of hydro generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Hydro generation | 3.43 TWh | 2025 · Ember |
| Share of Greece's electricity | 5.9% | 2025 · Ember |
| World share of hydro | 14.0% | 2025 · Ember |
| Rank by hydro generation (each country's latest year) | 76 of 153 | 2025 · Ember |
| Hydro capacity | 3.49 GW | 2025 · Ember |
Hydro Generation Year by Year
Ember annual statistics, 1990 to 2025Annual statistics through 2025, GWh
| Year | Hydro |
|---|---|
| 1990 | 1.77 TWh |
| 1991 | 3.10 TWh |
| 1992 | 2.20 TWh |
| 1993 | 2.28 TWh |
| 1994 | 2.60 TWh |
| 1995 | 3.53 TWh |
| 1996 | 4.35 TWh |
| 1997 | 3.88 TWh |
| 1998 | 3.72 TWh |
| 1999 | 4.59 TWh |
| 2000 | 3.69 TWh |
| 2001 | 2.10 TWh |
| 2002 | 2.80 TWh |
| 2003 | 4.77 TWh |
| 2004 | 4.67 TWh |
| 2005 | 5.02 TWh |
| 2006 | 5.86 TWh |
| 2007 | 2.59 TWh |
| 2008 | 3.31 TWh |
| 2009 | 5.35 TWh |
| 2010 | 7.47 TWh |
| 2011 | 4.01 TWh |
| 2012 | 4.39 TWh |
| 2013 | 6.35 TWh |
| 2014 | 4.48 TWh |
| 2015 | 6.10 TWh |
| 2016 | 5.54 TWh |
| 2017 | 3.96 TWh |
| 2018 | 5.74 TWh |
| 2019 | 4.00 TWh |
| 2020 | 3.34 TWh |
| 2021 | 5.90 TWh |
| 2022 | 3.86 TWh |
| 2023 | 3.82 TWh |
| 2024 | 3.58 TWh |
| 2025 | 3.43 TWh |
Annual statistics through 2025, % of generation
| Year | Greece | World |
|---|---|---|
| 1990 | 5.2% | n/a |
| 1991 | 8.8% | n/a |
| 1992 | 6.0% | n/a |
| 1993 | 6.0% | n/a |
| 1994 | 6.5% | n/a |
| 1995 | 8.6% | n/a |
| 1996 | 10.3% | n/a |
| 1997 | 9.1% | n/a |
| 1998 | 8.1% | n/a |
| 1999 | 9.4% | n/a |
| 2000 | 7.0% | 17.2% |
| 2001 | 4.0% | 16.5% |
| 2002 | 5.3% | 16.3% |
| 2003 | 8.3% | 15.7% |
| 2004 | 8.0% | 16.1% |
| 2005 | 8.6% | 16.1% |
| 2006 | 9.9% | 16.0% |
| 2007 | 4.2% | 15.5% |
| 2008 | 5.3% | 16.1% |
| 2009 | 8.9% | 16.3% |
| 2010 | 13.2% | 16.1% |
| 2011 | 6.9% | 15.9% |
| 2012 | 7.3% | 16.3% |
| 2013 | 11.3% | 16.4% |
| 2014 | 9.0% | 16.3% |
| 2015 | 12.0% | 16.2% |
| 2016 | 10.3% | 16.3% |
| 2017 | 7.2% | 16.0% |
| 2018 | 10.9% | 15.8% |
| 2019 | 8.3% | 15.8% |
| 2020 | 7.0% | 16.3% |
| 2021 | 10.9% | 15.2% |
| 2022 | 7.5% | 15.0% |
| 2023 | 7.8% | 14.3% |
| 2024 | 6.3% | 14.4% |
| 2025 | 5.9% | 14.0% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 3.43 TWh | 5.9% | 14.0% | 3.49 GW |
| 2024 | 3.58 TWh | 6.3% | 14.4% | 3.48 GW |
| 2023 | 3.82 TWh | 7.8% | 14.3% | 3.46 GW |
| 2022 | 3.86 TWh | 7.5% | 15.0% | 3.42 GW |
| 2021 | 5.90 TWh | 10.9% | 15.2% | 3.42 GW |
| 2020 | 3.34 TWh | 7.0% | 16.3% | 3.42 GW |
| 2019 | 4.00 TWh | 8.3% | 15.8% | 3.41 GW |
| 2018 | 5.74 TWh | 10.9% | 15.8% | 3.41 GW |
| 2017 | 3.96 TWh | 7.2% | 16.0% | 3.39 GW |
| 2016 | 5.54 TWh | 10.3% | 16.3% | 3.39 GW |
Full year by year history for Greece
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 2026Monthly statistics through August 2026, TWh
| Month | Hydro |
|---|---|
| 2024-09 | 180 GWh |
| 2024-10 | 100 GWh |
| 2024-11 | 100 GWh |
| 2024-12 | 170 GWh |
| 2025-01 | 220 GWh |
| 2025-02 | 180 GWh |
| 2025-03 | 110 GWh |
| 2025-04 | 110 GWh |
| 2025-05 | 170 GWh |
| 2025-06 | 250 GWh |
| 2025-07 | 320 GWh |
| 2025-08 | 240 GWh |
| 2025-09 | 200 GWh |
| 2025-10 | 170 GWh |
| 2025-11 | 230 GWh |
| 2025-12 | 290 GWh |
| 2026-01 | 630 GWh |
| 2026-02 | 910 GWh |
| 2026-03 | 600 GWh |
| 2026-04 | 250 GWh |
| 2026-05 | 370 GWh |
| 2026-06 | 330 GWh |
| 2026-07 | 360 GWh |
| 2026-08 | 400 GWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026. Monthly figures for Greece can differ slightly from the annual totals.