Primary energy use by source in Ireland
Ireland: Primary energy use by source was 12.06 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
12.06 terawatt-hours
Change on year
up 3.5%
World rank
27th
of 80 countries
All-time high
12.06 terawatt-hours
in 2025
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025
Primary energy use by source in Ireland, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy use by source in Ireland is 12.06 terawatt-hours, measured in 2025. That is the highest value across all 61 years on record.
The figure is up 3.5% on the previous year and up 80.5% over ten years.
Over the whole period, primary energy use by source in Ireland peaked at 12.06 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1965.
Ireland ranks 27th 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.
Primary energy use by source in Ireland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0 terawatt-hours | — |
| 1966 | 0 terawatt-hours | — |
| 1967 | 0 terawatt-hours | — |
| 1968 | 0 terawatt-hours | — |
| 1969 | 0 terawatt-hours | — |
| 1970 | 0 terawatt-hours | — |
| 1971 | 0 terawatt-hours | — |
| 1972 | 0 terawatt-hours | — |
| 1973 | 0 terawatt-hours | — |
| 1974 | 0 terawatt-hours | — |
| 1975 | 0 terawatt-hours | — |
| 1976 | 0 terawatt-hours | — |
| 1977 | 0 terawatt-hours | — |
| 1978 | 0 terawatt-hours | — |
| 1979 | 0 terawatt-hours | — |
| 1980 | 0 terawatt-hours | — |
| 1981 | 0 terawatt-hours | — |
| 1982 | 0 terawatt-hours | — |
| 1983 | 0 terawatt-hours | — |
| 1984 | 0 terawatt-hours | — |
| 1985 | 0 terawatt-hours | — |
| 1986 | 0 terawatt-hours | — |
| 1987 | 0 terawatt-hours | — |
| 1988 | 0 terawatt-hours | — |
| 1989 | 0 terawatt-hours | — |
| 1990 | 0 terawatt-hours | — |
| 1991 | 0 terawatt-hours | — |
| 1992 | 0.005 terawatt-hours | — |
| 1993 | 0.015 terawatt-hours | +200.0% |
| 1994 | 0.019 terawatt-hours | +26.7% |
| 1995 | 0.016 terawatt-hours | -15.8% |
| 1996 | 0.014 terawatt-hours | -12.5% |
| 1997 | 0.05 terawatt-hours | +257.1% |
| 1998 | 0.169 terawatt-hours | +238.0% |
| 1999 | 0.187 terawatt-hours | +10.7% |
| 2000 | 0.244 terawatt-hours | +30.5% |
| 2001 | 0.3341 terawatt-hours | +36.9% |
| 2002 | 0.3881 terawatt-hours | +16.2% |
| 2003 | 0.4541 terawatt-hours | +17.0% |
| 2004 | 0.6551 terawatt-hours | +44.3% |
| 2005 | 1.11 terawatt-hours | +69.8% |
| 2006 | 1.62 terawatt-hours | +45.9% |
| 2007 | 1.99 terawatt-hours | +22.7% |
| 2008 | 2.45 terawatt-hours | +23.1% |
| 2009 | 3 terawatt-hours | +22.6% |
| 2010 | 2.86 terawatt-hours | -4.8% |
| 2011 | 4.45 terawatt-hours | +55.6% |
| 2012 | 4.08 terawatt-hours | -8.4% |
| 2013 | 4.62 terawatt-hours | +13.2% |
| 2014 | 5.22 terawatt-hours | +13.2% |
| 2015 | 6.68 terawatt-hours | +27.9% |
| 2016 | 6.25 terawatt-hours | -6.5% |
| 2017 | 7.57 terawatt-hours | +21.1% |
| 2018 | 8.78 terawatt-hours | +16.1% |
| 2019 | 10.18 terawatt-hours | +16.0% |
| 2020 | 11.74 terawatt-hours | +15.3% |
| 2021 | 9.94 terawatt-hours | -15.3% |
| 2022 | 11.39 terawatt-hours | +14.6% |
| 2023 | 11.86 terawatt-hours | +4.1% |
| 2024 | 11.65 terawatt-hours | -1.8% |
| 2025 | 12.06 terawatt-hours | +3.5% |
Ireland compared with similar countries
- Ireland's 12.06 terawatt-hours is above the median for high income countries, which is 3.89 terawatt-hours, 3.1× the median. (47 countries reporting)
- Ireland's 12.06 terawatt-hours is above the median for Europe & Central Asia, which is 4.18 terawatt-hours, 2.9× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Primary energy use by source 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 |
|---|---|---|---|
| 1997 | +257.1% | 0.014 terawatt-hours | 0.05 terawatt-hours |
| 1998 | +238.0% | 0.05 terawatt-hours | 0.169 terawatt-hours |
| 1993 | +200.0% | 0.005 terawatt-hours | 0.015 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 5 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0.0475 terawatt-hours | 0 terawatt-hours | 0.187 terawatt-hours | 10 |
| 2000s | 1.23 terawatt-hours | 0.244 terawatt-hours | 3 terawatt-hours | 10 |
| 2010s | 6.07 terawatt-hours | 2.86 terawatt-hours | 10.18 terawatt-hours | 10 |
| 2020s | 11.44 terawatt-hours | 9.94 terawatt-hours | 12.06 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 primary energy use by source in Ireland?
- Primary energy use by source in Ireland was 12.06 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest primary energy use by source recorded in Ireland?
- The highest recorded value was 12.06 terawatt-hours in 2025.
- What is the lowest primary energy use by source recorded in Ireland?
- The lowest recorded value was 0 terawatt-hours in 1965.
- How does Ireland rank for primary energy use by source?
- Ireland ranks 27th out of 80 countries with data for 2025.
- Is primary energy use by source rising or falling in Ireland?
- Over the last ten years it is up 80.5%. 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); Smil (2017) – with major processing by Our World in Data, published as part of Primary energy use by source. 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
Measured in terawatt-hours of total energy supply.