Ireland Hydro Power: Generation, Share and Trend
Ireland generated 650 GWh of electricity from hydro in 2025, 2.1% of its total, according to Ember. That made it the 107th largest hydro power producer in 2025 of the 153 countries with Ember data, comparing each country's latest year. Hydro supplied 13.9% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through September 2026; they are compiled from national sources and are not real time.
Key Facts
- Ireland generated 650 GWh of electricity from hydro in 2025.
- Hydro supplied 2.1% of Ireland's electricity in 2025.
- Ireland was the 107th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
- Ireland's hydro generation in 2025 was 30% lower than in 2020, when it was 930 GWh.
- Ireland's hydro generation in 2025 was 20% lower than in 2015, when it was 810 GWh.
- Ireland's hydro generation peaked at 970 GWh in 2008.
- Ireland's hydro share in 2025 was below the world share of 13.9%.
- Ireland had 240 MW of hydro generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Hydro generation | 650 GWh | 2025 · Ember |
| Share of Ireland's electricity | 2.1% | 2025 · Ember |
| World share of hydro | 13.9% | 2025 · Ember |
| Rank by hydro generation (each country's latest year) | 107 of 153 | 2025 · Ember |
| Hydro capacity | 240 MW | 2025 · Ember |
Hydro Generation Year by Year
Ember annual statistics, 1990 to 2025| Year | Hydro |
|---|---|
| 1990 | 700 GWh |
| 1991 | 750 GWh |
| 1992 | 820 GWh |
| 1993 | 760 GWh |
| 1994 | 920 GWh |
| 1995 | 710 GWh |
| 1996 | 720 GWh |
| 1997 | 680 GWh |
| 1998 | 920 GWh |
| 1999 | 850 GWh |
| 2000 | 850 GWh |
| 2001 | 600 GWh |
| 2002 | 910 GWh |
| 2003 | 600 GWh |
| 2004 | 630 GWh |
| 2005 | 630 GWh |
| 2006 | 720 GWh |
| 2007 | 670 GWh |
| 2008 | 970 GWh |
| 2009 | 900 GWh |
| 2010 | 600 GWh |
| 2011 | 710 GWh |
| 2012 | 800 GWh |
| 2013 | 600 GWh |
| 2014 | 710 GWh |
| 2015 | 810 GWh |
| 2016 | 680 GWh |
| 2017 | 690 GWh |
| 2018 | 690 GWh |
| 2019 | 890 GWh |
| 2020 | 930 GWh |
| 2021 | 750 GWh |
| 2022 | 700 GWh |
| 2023 | 940 GWh |
| 2024 | 770 GWh |
| 2025 | 650 GWh |
| Year | Ireland | World |
|---|---|---|
| 1990 | 4.9% | n/a |
| 1991 | 5.0% | n/a |
| 1992 | 5.2% | n/a |
| 1993 | 4.7% | n/a |
| 1994 | 5.5% | n/a |
| 1995 | 4.0% | n/a |
| 1996 | 3.8% | n/a |
| 1997 | 3.5% | n/a |
| 1998 | 4.4% | n/a |
| 1999 | 3.9% | n/a |
| 2000 | 3.6% | 17.2% |
| 2001 | 2.4% | 16.5% |
| 2002 | 3.7% | 16.3% |
| 2003 | 2.4% | 15.7% |
| 2004 | 2.5% | 16.1% |
| 2005 | 2.5% | 16.1% |
| 2006 | 2.7% | 16.0% |
| 2007 | 2.4% | 15.5% |
| 2008 | 3.2% | 16.1% |
| 2009 | 3.2% | 16.3% |
| 2010 | 2.1% | 16.1% |
| 2011 | 2.6% | 15.9% |
| 2012 | 3.0% | 16.3% |
| 2013 | 2.3% | 16.4% |
| 2014 | 2.8% | 16.3% |
| 2015 | 2.9% | 16.2% |
| 2016 | 2.2% | 16.3% |
| 2017 | 2.2% | 16.0% |
| 2018 | 2.2% | 15.8% |
| 2019 | 2.9% | 15.8% |
| 2020 | 2.9% | 16.3% |
| 2021 | 2.4% | 15.2% |
| 2022 | 2.1% | 15.0% |
| 2023 | 3.0% | 14.3% |
| 2024 | 2.5% | 14.4% |
| 2025 | 2.1% | 13.9% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 650 GWh | 2.1% | 13.9% | 240 MW |
| 2024 | 770 GWh | 2.5% | 14.4% | 240 MW |
| 2023 | 940 GWh | 3.0% | 14.3% | 240 MW |
| 2022 | 700 GWh | 2.1% | 15.0% | 240 MW |
| 2021 | 750 GWh | 2.4% | 15.2% | 240 MW |
| 2020 | 930 GWh | 2.9% | 16.3% | 240 MW |
| 2019 | 890 GWh | 2.9% | 15.8% | 240 MW |
| 2018 | 690 GWh | 2.2% | 15.8% | 240 MW |
| 2017 | 690 GWh | 2.2% | 16.0% | 240 MW |
| 2016 | 680 GWh | 2.2% | 16.3% | 240 MW |
Full year by year history for Ireland
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 September 2026| Month | Hydro |
|---|---|
| 2024-10 | 40.0 GWh |
| 2024-11 | 50.0 GWh |
| 2024-12 | 90.0 GWh |
| 2025-01 | 80.0 GWh |
| 2025-02 | 70.0 GWh |
| 2025-03 | 40.0 GWh |
| 2025-04 | 30.0 GWh |
| 2025-05 | 20.0 GWh |
| 2025-06 | 20.0 GWh |
| 2025-07 | 20.0 GWh |
| 2025-08 | 10.0 GWh |
| 2025-09 | 50.0 GWh |
| 2025-10 | 80.0 GWh |
| 2025-11 | 80.0 GWh |
| 2025-12 | 90.0 GWh |
| 2026-01 | 90.0 GWh |
| 2026-02 | 100 GWh |
| 2026-03 | 100 GWh |
| 2026-04 | 70.0 GWh |
| 2026-05 | 20.0 GWh |
| 2026-06 | 30.0 GWh |
| 2026-07 | 10.0 GWh |
| 2026-08 | 0 TWh |
| 2026-09 | 10.0 GWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of September 2026. Monthly figures for Ireland can differ slightly from the annual totals.
Related
Cite this page
World Power Monitor. (2026). Ireland Hydro Power: Generation, Share and Trend. https://worldpowermonitor.com/countries/ireland/hydro/
World Power Monitor. Ireland Hydro Power: Generation, Share and Trend. Data as of 2026-09. Data from Ember. https://worldpowermonitor.com/countries/ireland/hydro/
@misc{wpm_countries_ireland_hydro_2026,
title = {{Ireland Hydro Power: Generation, Share and Trend}},
author = {{World Power Monitor}},
year = {2026},
note = {Data as of 2026-09. Data from Ember.},
url = {https://worldpowermonitor.com/countries/ireland/hydro/}
} Permalink: https://worldpowermonitor.com/countries/ireland/hydro/
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