Annual change in primary energy from hydropower in Ireland
Ireland: Annual change in primary energy from hydropower was -0.1136 terawatt-hours in 2025. ◆ Volatile
Annual 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 terawatt-hours.
Analysis
Ireland recorded -0.1136 terawatt-hours for annual change in primary energy from hydropower in 2025.
Compared with earlier readings it is up 35.7% on the previous year and down 216.1% over ten years.
Over the whole period, annual change in primary energy from hydropower in Ireland peaked at 0.316 terawatt-hours in 2002 and was at its lowest, -0.3373 terawatt-hours, in 1971.
Ireland ranks 48th of 80 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 change in primary energy from hydropower in Ireland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | -0.093 terawatt-hours | — |
| 1967 | -0.0465 terawatt-hours | -50.0% |
| 1968 | -0.0349 terawatt-hours | -25.0% |
| 1969 | -0.1861 terawatt-hours | +433.3% |
| 1970 | 0.221 terawatt-hours | -218.8% |
| 1971 | -0.3373 terawatt-hours | -252.6% |
| 1972 | 0.221 terawatt-hours | -165.5% |
| 1973 | -0.0465 terawatt-hours | -121.1% |
| 1974 | 0.1512 terawatt-hours | -425.0% |
| 1975 | -0.2675 terawatt-hours | -276.9% |
| 1976 | 0.0698 terawatt-hours | -126.1% |
| 1977 | 0.1512 terawatt-hours | +116.7% |
| 1978 | -0.0465 terawatt-hours | -130.8% |
| 1979 | 0.1279 terawatt-hours | -375.0% |
| 1980 | 0.0116 terawatt-hours | -90.9% |
| 1981 | 0.0233 terawatt-hours | +100.0% |
| 1982 | -0.0582 terawatt-hours | -350.0% |
| 1983 | -0.0233 terawatt-hours | -60.0% |
| 1984 | -0.093 terawatt-hours | +300.0% |
| 1985 | 0.1512 terawatt-hours | -262.5% |
| 1986 | 0.0814 terawatt-hours | -46.2% |
| 1987 | -0.2326 terawatt-hours | -385.7% |
| 1988 | 0.1861 terawatt-hours | -180.0% |
| 1989 | -0.1744 terawatt-hours | -193.8% |
| 1990 | -0.0008 terawatt-hours | -99.5% |
| 1991 | 0.049 terawatt-hours | -6225.4% |
| 1992 | 0.071 terawatt-hours | +44.9% |
| 1993 | -0.052 terawatt-hours | -173.2% |
| 1994 | 0.155 terawatt-hours | -398.1% |
| 1995 | -0.207 terawatt-hours | -233.5% |
| 1996 | 0.009 terawatt-hours | -104.3% |
| 1997 | -0.044 terawatt-hours | -588.9% |
| 1998 | 0.238 terawatt-hours | -640.9% |
| 1999 | -0.07 terawatt-hours | -129.4% |
| 2000 | 0 terawatt-hours | -100.0% |
| 2001 | -0.25 terawatt-hours | — |
| 2002 | 0.316 terawatt-hours | -226.4% |
| 2003 | -0.314 terawatt-hours | -199.4% |
| 2004 | 0.032 terawatt-hours | -110.2% |
| 2005 | 0.0013 terawatt-hours | -96.1% |
| 2006 | 0.093 terawatt-hours | +7281.7% |
| 2007 | -0.0577 terawatt-hours | -162.0% |
| 2008 | 0.3017 terawatt-hours | -623.0% |
| 2009 | -0.0666 terawatt-hours | -122.1% |
| 2010 | -0.3025 terawatt-hours | +354.3% |
| 2011 | 0.1075 terawatt-hours | -135.5% |
| 2012 | 0.0957 terawatt-hours | -11.0% |
| 2013 | -0.2029 terawatt-hours | -312.1% |
| 2014 | 0.1092 terawatt-hours | -153.8% |
| 2015 | 0.0978 terawatt-hours | -10.4% |
| 2016 | -0.1255 terawatt-hours | -228.2% |
| 2017 | 0.0106 terawatt-hours | -108.4% |
| 2018 | 0.0025 terawatt-hours | -76.5% |
| 2019 | 0.1925 terawatt-hours | +7640.2% |
| 2020 | 0.0461 terawatt-hours | -76.1% |
| 2021 | -0.1832 terawatt-hours | -497.7% |
| 2022 | -0.0482 terawatt-hours | -73.7% |
| 2023 | 0.2415 terawatt-hours | -601.0% |
| 2024 | -0.1766 terawatt-hours | -173.1% |
| 2025 | -0.1136 terawatt-hours | -35.7% |
Ireland compared with similar countries
- Ireland's -0.1136 terawatt-hours is above the median for high income countries, which is -0.1136 terawatt-hours, 1.0× the median. (47 countries reporting)
- Ireland's -0.1136 terawatt-hours is above the median for Europe & Central Asia, which is -0.2504 terawatt-hours, 45% of the median. (39 countries reporting)
Biggest year-on-year movements
Years where Annual 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 | +7640.2% | 0.0025 terawatt-hours | 0.1925 terawatt-hours |
| 2006 | +7281.7% | 0.0013 terawatt-hours | 0.093 terawatt-hours |
| 1991 | +6225.4% | -0.0008 terawatt-hours | 0.049 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -0.0901 terawatt-hours | -0.1861 terawatt-hours | -0.0349 terawatt-hours | 4 |
| 1970s | 0.0244 terawatt-hours | -0.3373 terawatt-hours | 0.221 terawatt-hours | 10 |
| 1980s | -0.0128 terawatt-hours | -0.2326 terawatt-hours | 0.1861 terawatt-hours | 10 |
| 1990s | 0.0148 terawatt-hours | -0.207 terawatt-hours | 0.238 terawatt-hours | 10 |
| 2000s | 0.0056 terawatt-hours | -0.314 terawatt-hours | 0.316 terawatt-hours | 10 |
| 2010s | -0.0015 terawatt-hours | -0.3025 terawatt-hours | 0.1925 terawatt-hours | 10 |
| 2020s | -0.039 terawatt-hours | -0.1832 terawatt-hours | 0.2415 terawatt-hours | 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 change in primary energy from hydropower in Ireland?
- Annual change in primary energy from hydropower in Ireland was -0.1136 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 annual change in primary energy from hydropower recorded in Ireland?
- The highest recorded value was 0.316 terawatt-hours in 2002.
- What is the lowest annual change in primary energy from hydropower recorded in Ireland?
- The lowest recorded value was -0.3373 terawatt-hours in 1971.
- How does Ireland rank for annual change in primary energy from hydropower?
- Ireland ranks 48th out of 80 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in Ireland?
- Over the last ten years it is down 216.1%. 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 change in primary energy from hydropower. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.