Annual change in primary energy use in Ireland
Ireland: Annual change in primary energy use was -1.61 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy use in Ireland, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for annual change in primary energy use in Ireland is -1.61 terawatt-hours, measured in 2025.
Compared with earlier readings it is down 244.4% on the previous year and down 123.4% over ten years.
Over the whole period, annual change in primary energy use in Ireland peaked at 13.73 terawatt-hours in 1968 and was at its lowest, -20.78 terawatt-hours, in 1970.
That places Ireland 180th out of 219 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy use in Ireland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 8.33 terawatt-hours | — |
| 1967 | 6.45 terawatt-hours | -22.5% |
| 1968 | 13.73 terawatt-hours | +112.7% |
| 1969 | 0.6815 terawatt-hours | -95.0% |
| 1970 | -20.78 terawatt-hours | -3149.0% |
| 1971 | 3.59 terawatt-hours | -117.3% |
| 1972 | 3.96 terawatt-hours | +10.3% |
| 1973 | 4.33 terawatt-hours | +9.4% |
| 1974 | 1.24 terawatt-hours | -71.5% |
| 1975 | -5.23 terawatt-hours | -523.6% |
| 1976 | 1.6 terawatt-hours | -130.5% |
| 1977 | 5.29 terawatt-hours | +231.6% |
| 1978 | 3.74 terawatt-hours | -29.3% |
| 1979 | 9.42 terawatt-hours | +152.0% |
| 1980 | -3.38 terawatt-hours | -135.9% |
| 1981 | -2.48 terawatt-hours | -26.8% |
| 1982 | -0.5896 terawatt-hours | -76.2% |
| 1983 | -1.36 terawatt-hours | +131.5% |
| 1984 | -0.8382 terawatt-hours | -38.6% |
| 1985 | 4.38 terawatt-hours | -623.1% |
| 1986 | 7.81 terawatt-hours | +78.0% |
| 1987 | 1.67 terawatt-hours | -78.6% |
| 1988 | -0.8844 terawatt-hours | -152.9% |
| 1989 | 3.61 terawatt-hours | -508.7% |
| 1990 | 6 terawatt-hours | +66.0% |
| 1991 | 2.94 terawatt-hours | -50.9% |
| 1992 | -0.6854 terawatt-hours | -123.3% |
| 1993 | 3.6 terawatt-hours | -625.7% |
| 1994 | 5.25 terawatt-hours | +45.8% |
| 1995 | 3.1 terawatt-hours | -41.1% |
| 1996 | 6.39 terawatt-hours | +106.3% |
| 1997 | 7.52 terawatt-hours | +17.7% |
| 1998 | 9.6 terawatt-hours | +27.6% |
| 1999 | 8.58 terawatt-hours | -10.6% |
| 2000 | 10.11 terawatt-hours | +17.8% |
| 2001 | 7.87 terawatt-hours | -22.1% |
| 2002 | -2.51 terawatt-hours | -131.8% |
| 2003 | -2.29 terawatt-hours | -8.9% |
| 2004 | 3.43 terawatt-hours | -250.2% |
| 2005 | 10.2 terawatt-hours | +197.0% |
| 2006 | 2.21 terawatt-hours | -78.3% |
| 2007 | 0.0402 terawatt-hours | -98.2% |
| 2008 | 0.7586 terawatt-hours | +1785.3% |
| 2009 | -20.58 terawatt-hours | -2813.0% |
| 2010 | 4.48 terawatt-hours | -121.7% |
| 2011 | -14.81 terawatt-hours | -430.8% |
| 2012 | -2.24 terawatt-hours | -84.9% |
| 2013 | -2.95 terawatt-hours | +31.6% |
| 2014 | -1.57 terawatt-hours | -46.8% |
| 2015 | 6.89 terawatt-hours | -538.6% |
| 2016 | 8.72 terawatt-hours | +26.6% |
| 2017 | -1.3 terawatt-hours | -114.9% |
| 2018 | 2.3 terawatt-hours | -276.7% |
| 2019 | -1.78 terawatt-hours | -177.3% |
| 2020 | -13.62 terawatt-hours | +665.9% |
| 2021 | 6.53 terawatt-hours | -148.0% |
| 2022 | 4.45 terawatt-hours | -31.8% |
| 2023 | -8.05 terawatt-hours | -280.7% |
| 2024 | 1.11 terawatt-hours | -113.8% |
| 2025 | -1.61 terawatt-hours | -244.4% |
Ireland compared with similar countries
- Ireland's -1.61 terawatt-hours is below the median for high income countries, which is 0.031 terawatt-hours. (75 countries reporting)
- Ireland's -1.61 terawatt-hours is below the median for Europe & Central Asia, which is 0.5721 terawatt-hours. (50 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy use 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 |
|---|---|---|---|
| 1970 | -3149.0% | 0.6815 terawatt-hours | -20.78 terawatt-hours |
| 2009 | -2813.0% | 0.7586 terawatt-hours | -20.58 terawatt-hours |
| 2008 | +1785.3% | 0.0402 terawatt-hours | 0.7586 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 7.3 terawatt-hours | 0.6815 terawatt-hours | 13.73 terawatt-hours | 4 |
| 1970s | 0.7159 terawatt-hours | -20.78 terawatt-hours | 9.42 terawatt-hours | 10 |
| 1980s | 0.7936 terawatt-hours | -3.38 terawatt-hours | 7.81 terawatt-hours | 10 |
| 1990s | 5.23 terawatt-hours | -0.6854 terawatt-hours | 9.6 terawatt-hours | 10 |
| 2000s | 0.9251 terawatt-hours | -20.58 terawatt-hours | 10.2 terawatt-hours | 10 |
| 2010s | -0.2271 terawatt-hours | -14.81 terawatt-hours | 8.72 terawatt-hours | 10 |
| 2020s | -1.86 terawatt-hours | -13.62 terawatt-hours | 6.53 terawatt-hours | 6 |
Countries ranked near Ireland
- 177 Finland -1.26 terawatt-hours compare
- 178 Jamaica -1.28 terawatt-hours compare
- 179 Costa Rica -1.3 terawatt-hours compare
- 181 Kyrgyzstan -1.74 terawatt-hours compare
- 182 Luxembourg -1.78 terawatt-hours compare
- 183 El Salvador -1.88 terawatt-hours compare
More energy & mining data for Ireland
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- 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)
- Fuel imports 6.2% (2024)
Frequently asked questions
- What is annual change in primary energy use in Ireland?
- Annual change in primary energy use in Ireland was -1.61 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy use recorded in Ireland?
- The highest recorded value was 13.73 terawatt-hours in 1968.
- What is the lowest annual change in primary energy use recorded in Ireland?
- The lowest recorded value was -20.78 terawatt-hours in 1970.
- How does Ireland rank for annual change in primary energy use?
- Ireland ranks 180th out of 219 countries with data for 2025.
- Is annual change in primary energy use rising or falling in Ireland?
- Over the last ten years it is down 123.4%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Annual change in primary energy use. 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.