Hydropower generation by region in Ireland
Ireland: Hydropower generation by region was 0.6525 terawatt-hours in 2025. ▬ Flat
Latest (2025)
0.6525 terawatt-hours
Change on year
down 14.8%
World rank
59th
of 80 countries
All-time high
0.9683 terawatt-hours
in 2008
All-time low
0.4652 terawatt-hours
in 1971
Years of data
61
1965–2025
Hydropower generation by region in Ireland, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, hydropower generation by region in Ireland stood at 0.6525 terawatt-hours.
Compared with earlier readings it is down 14.8% on the previous year and down 19.1% over ten years.
Over the whole period, hydropower generation by region in Ireland peaked at 0.9683 terawatt-hours in 2008 and was at its lowest, 0.4652 terawatt-hours, in 1971.
That places Ireland 59th out of 80 countries with data for 2025, putting it in the middle of the range.
Hydropower generation by region in Ireland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0.942 terawatt-hours | — |
| 1966 | 0.849 terawatt-hours | -9.9% |
| 1967 | 0.8025 terawatt-hours | -5.5% |
| 1968 | 0.7676 terawatt-hours | -4.3% |
| 1969 | 0.5815 terawatt-hours | -24.2% |
| 1970 | 0.8025 terawatt-hours | +38.0% |
| 1971 | 0.4652 terawatt-hours | -42.0% |
| 1972 | 0.6862 terawatt-hours | +47.5% |
| 1973 | 0.6397 terawatt-hours | -6.8% |
| 1974 | 0.7908 terawatt-hours | +23.6% |
| 1975 | 0.5233 terawatt-hours | -33.8% |
| 1976 | 0.5931 terawatt-hours | +13.3% |
| 1977 | 0.7443 terawatt-hours | +25.5% |
| 1978 | 0.6978 terawatt-hours | -6.3% |
| 1979 | 0.8257 terawatt-hours | +18.3% |
| 1980 | 0.8374 terawatt-hours | +1.4% |
| 1981 | 0.8606 terawatt-hours | +2.8% |
| 1982 | 0.8025 terawatt-hours | -6.8% |
| 1983 | 0.7792 terawatt-hours | -2.9% |
| 1984 | 0.6862 terawatt-hours | -11.9% |
| 1985 | 0.8374 terawatt-hours | +22.0% |
| 1986 | 0.9188 terawatt-hours | +9.7% |
| 1987 | 0.6862 terawatt-hours | -25.3% |
| 1988 | 0.8722 terawatt-hours | +27.1% |
| 1989 | 0.6978 terawatt-hours | -20.0% |
| 1990 | 0.697 terawatt-hours | -0.1% |
| 1991 | 0.746 terawatt-hours | +7.0% |
| 1992 | 0.817 terawatt-hours | +9.5% |
| 1993 | 0.765 terawatt-hours | -6.4% |
| 1994 | 0.92 terawatt-hours | +20.3% |
| 1995 | 0.713 terawatt-hours | -22.5% |
| 1996 | 0.722 terawatt-hours | +1.3% |
| 1997 | 0.678 terawatt-hours | -6.1% |
| 1998 | 0.916 terawatt-hours | +35.1% |
| 1999 | 0.846 terawatt-hours | -7.6% |
| 2000 | 0.846 terawatt-hours | +0.0% |
| 2001 | 0.596 terawatt-hours | -29.6% |
| 2002 | 0.912 terawatt-hours | +53.0% |
| 2003 | 0.598 terawatt-hours | -34.4% |
| 2004 | 0.63 terawatt-hours | +5.4% |
| 2005 | 0.6313 terawatt-hours | +0.2% |
| 2006 | 0.7243 terawatt-hours | +14.7% |
| 2007 | 0.6666 terawatt-hours | -8.0% |
| 2008 | 0.9683 terawatt-hours | +45.3% |
| 2009 | 0.9017 terawatt-hours | -6.9% |
| 2010 | 0.5992 terawatt-hours | -33.5% |
| 2011 | 0.7067 terawatt-hours | +17.9% |
| 2012 | 0.8023 terawatt-hours | +13.5% |
| 2013 | 0.5995 terawatt-hours | -25.3% |
| 2014 | 0.7087 terawatt-hours | +18.2% |
| 2015 | 0.8065 terawatt-hours | +13.8% |
| 2016 | 0.681 terawatt-hours | -15.6% |
| 2017 | 0.6916 terawatt-hours | +1.6% |
| 2018 | 0.6941 terawatt-hours | +0.4% |
| 2019 | 0.8866 terawatt-hours | +27.7% |
| 2020 | 0.9327 terawatt-hours | +5.2% |
| 2021 | 0.7494 terawatt-hours | -19.6% |
| 2022 | 0.7012 terawatt-hours | -6.4% |
| 2023 | 0.9428 terawatt-hours | +34.4% |
| 2024 | 0.7661 terawatt-hours | -18.7% |
| 2025 | 0.6525 terawatt-hours | -14.8% |
Ireland compared with similar countries
- Ireland's 0.6525 terawatt-hours is below the median for high income countries, which is 3.45 terawatt-hours, 19% of the median. (47 countries reporting)
- Ireland's 0.6525 terawatt-hours is below the median for Europe & Central Asia, which is 3.99 terawatt-hours, 16% of the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.7885 terawatt-hours | 0.5815 terawatt-hours | 0.942 terawatt-hours | 5 |
| 1970s | 0.6769 terawatt-hours | 0.4652 terawatt-hours | 0.8257 terawatt-hours | 10 |
| 1980s | 0.7978 terawatt-hours | 0.6862 terawatt-hours | 0.9188 terawatt-hours | 10 |
| 1990s | 0.782 terawatt-hours | 0.678 terawatt-hours | 0.92 terawatt-hours | 10 |
| 2000s | 0.7474 terawatt-hours | 0.596 terawatt-hours | 0.9683 terawatt-hours | 10 |
| 2010s | 0.7176 terawatt-hours | 0.5992 terawatt-hours | 0.8866 terawatt-hours | 10 |
| 2020s | 0.7908 terawatt-hours | 0.6525 terawatt-hours | 0.9428 terawatt-hours | 6 |
Countries ranked near Ireland
More energy & mining data for Ireland
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -1.01 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 6.2% (2024)
Frequently asked questions
- What is hydropower generation by region in Ireland?
- Hydropower generation by region in Ireland was 0.6525 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest hydropower generation by region recorded in Ireland?
- The highest recorded value was 0.9683 terawatt-hours in 2008.
- What is the lowest hydropower generation by region recorded in Ireland?
- The lowest recorded value was 0.4652 terawatt-hours in 1971.
- How does Ireland rank for hydropower generation by region?
- Ireland ranks 59th out of 80 countries with data for 2025.
- Is hydropower generation by region rising or falling in Ireland?
- Over the last ten years it is down 19.1%. The long-run trend across the full record is flat.
- Where does this Ireland data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Hydropower generation by region. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.