Annual percentage change in primary energy from hydropower in Ireland
Ireland: Annual percentage change in primary energy from hydropower was -14.8% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Ireland, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
Ireland recorded -14.8% for annual percentage change in primary energy from hydropower in 2025.
Compared with earlier readings it is up 20.9% on the previous year and down 207.4% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Ireland peaked at 53.0% in 2002 and was at its lowest, -42.0%, in 1971.
Ireland ranks 49th of 71 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from hydropower in Ireland, year by year
| Year | % | Change |
|---|---|---|
| 1966 | -9.9% | — |
| 1967 | -5.5% | -44.5% |
| 1968 | -4.3% | -20.7% |
| 1969 | -24.2% | +457.6% |
| 1970 | 38.0% | -256.8% |
| 1971 | -42.0% | -210.6% |
| 1972 | 47.5% | -213.0% |
| 1973 | -6.8% | -114.3% |
| 1974 | 23.6% | -448.6% |
| 1975 | -33.8% | -243.1% |
| 1976 | 13.3% | -139.4% |
| 1977 | 25.5% | +91.2% |
| 1978 | -6.2% | -124.5% |
| 1979 | 18.3% | -393.3% |
| 1980 | 1.4% | -92.3% |
| 1981 | 2.8% | +97.2% |
| 1982 | -6.8% | -343.2% |
| 1983 | -2.9% | -57.1% |
| 1984 | -11.9% | +311.9% |
| 1985 | 22.0% | -284.5% |
| 1986 | 9.7% | -55.9% |
| 1987 | -25.3% | -360.4% |
| 1988 | 27.1% | -207.1% |
| 1989 | -20.0% | -173.8% |
| 1990 | -0.1% | -99.4% |
| 1991 | 7.0% | -6232.4% |
| 1992 | 9.5% | +35.4% |
| 1993 | -6.4% | -166.9% |
| 1994 | 20.3% | -418.3% |
| 1995 | -22.5% | -211.0% |
| 1996 | 1.3% | -105.6% |
| 1997 | -6.1% | -582.8% |
| 1998 | 35.1% | -676.0% |
| 1999 | -7.6% | -121.8% |
| 2000 | 0.0% | -100.0% |
| 2001 | -29.6% | — |
| 2002 | 53.0% | -279.4% |
| 2003 | -34.4% | -164.9% |
| 2004 | 5.4% | -115.5% |
| 2005 | 0.2% | -96.3% |
| 2006 | 14.7% | +7267.0% |
| 2007 | -8.0% | -154.1% |
| 2008 | 45.3% | -668.3% |
| 2009 | -6.9% | -115.2% |
| 2010 | -33.5% | +387.8% |
| 2011 | 17.9% | -153.5% |
| 2012 | 13.5% | -24.5% |
| 2013 | -25.3% | -286.8% |
| 2014 | 18.2% | -172.0% |
| 2015 | 13.8% | -24.2% |
| 2016 | -15.6% | -212.7% |
| 2017 | 1.6% | -110.0% |
| 2018 | 0.4% | -76.8% |
| 2019 | 27.7% | +7612.5% |
| 2020 | 5.2% | -81.3% |
| 2021 | -19.6% | -478.1% |
| 2022 | -6.4% | -67.3% |
| 2023 | 34.4% | -635.4% |
| 2024 | -18.7% | -154.4% |
| 2025 | -14.8% | -20.9% |
Ireland compared with similar countries
- Ireland's -14.8% is below the median for high income countries, which is -12.6%, 1.2× the median. (38 countries reporting)
- Ireland's -14.8% is below the median for Europe & Central Asia, which is -13.7%, 1.1× the median. (38 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in primary energy from hydropower in Ireland changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2019 | +7612.5% | 0.4% | 27.7% |
| 2006 | +7267.0% | 0.2% | 14.7% |
| 1991 | +6232.4% | -0.1% | 7.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -11.0% | -24.2% | -4.3% | 4 |
| 1970s | 7.7% | -42.0% | 47.5% | 10 |
| 1980s | -0.4% | -25.3% | 27.1% | 10 |
| 1990s | 3.0% | -22.5% | 35.1% | 10 |
| 2000s | 4.0% | -34.4% | 53.0% | 10 |
| 2010s | 1.9% | -33.5% | 27.7% | 10 |
| 2020s | -3.3% | -19.6% | 34.4% | 6 |
Countries ranked near Ireland
More reference data data for Ireland
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 1.45 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 1.19 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 4.37 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0921 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 4.37 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 4.87 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.37 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 5.6 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 21.02 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.5015 (2050)
Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Ireland?
- Annual percentage change in primary energy from hydropower in Ireland was -14.8% in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from hydropower recorded in Ireland?
- The highest recorded value was 53.0% in 2002.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Ireland?
- The lowest recorded value was -42.0% in 1971.
- How does Ireland rank for annual percentage change in primary energy from hydropower?
- Ireland ranks 49th out of 71 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Ireland?
- Over the last ten years it is down 207.4%. The long-run trend across the full record is volatile.
- 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 Annual percentage change in primary energy from hydropower. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.