Primary energy from low-carbon energy in Ireland
Ireland: Primary energy from low-carbon energy was 22.17 terawatt-hours in 2025. ◆ Volatile
Primary energy from low-carbon energy 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
In 2025, primary energy from low-carbon energy in Ireland stood at 22.17 terawatt-hours. That is the highest value across all 61 years on record.
That represents a change of up 8.6% on the previous year and up 114.0% over ten years.
Over the whole period, primary energy from low-carbon energy in Ireland peaked at 22.17 terawatt-hours in 2025 and was at its lowest, 0.4652 terawatt-hours, in 1971.
That places Ireland 56th out of 80 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Primary energy from low-carbon energy 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 | 0.822 terawatt-hours | +10.2% |
| 1993 | 0.78 terawatt-hours | -5.1% |
| 1994 | 0.939 terawatt-hours | +20.4% |
| 1995 | 0.729 terawatt-hours | -22.4% |
| 1996 | 0.8178 terawatt-hours | +12.2% |
| 1997 | 0.9735 terawatt-hours | +19.0% |
| 1998 | 1.34 terawatt-hours | +37.9% |
| 1999 | 1.31 terawatt-hours | -2.5% |
| 2000 | 1.38 terawatt-hours | +5.3% |
| 2001 | 1.22 terawatt-hours | -11.2% |
| 2002 | 1.55 terawatt-hours | +26.3% |
| 2003 | 1.31 terawatt-hours | -15.1% |
| 2004 | 1.62 terawatt-hours | +23.1% |
| 2005 | 2.15 terawatt-hours | +32.9% |
| 2006 | 2.75 terawatt-hours | +28.2% |
| 2007 | 3.43 terawatt-hours | +24.5% |
| 2008 | 4.69 terawatt-hours | +37.0% |
| 2009 | 5.58 terawatt-hours | +18.9% |
| 2010 | 5.46 terawatt-hours | -2.1% |
| 2011 | 7.24 terawatt-hours | +32.6% |
| 2012 | 7.21 terawatt-hours | -0.5% |
| 2013 | 7.87 terawatt-hours | +9.1% |
| 2014 | 8.9 terawatt-hours | +13.2% |
| 2015 | 10.36 terawatt-hours | +16.4% |
| 2016 | 10.3 terawatt-hours | -0.6% |
| 2017 | 12.36 terawatt-hours | +20.0% |
| 2018 | 13.85 terawatt-hours | +12.1% |
| 2019 | 15.87 terawatt-hours | +14.6% |
| 2020 | 17.55 terawatt-hours | +10.5% |
| 2021 | 15.85 terawatt-hours | -9.7% |
| 2022 | 17.89 terawatt-hours | +12.9% |
| 2023 | 19.36 terawatt-hours | +8.2% |
| 2024 | 20.42 terawatt-hours | +5.5% |
| 2025 | 22.17 terawatt-hours | +8.6% |
Ireland compared with similar countries
- Ireland's 22.17 terawatt-hours is below the median for high income countries, which is 70.73 terawatt-hours, 31% of the median. (47 countries reporting)
- Ireland's 22.17 terawatt-hours is below the median for Europe & Central Asia, which is 68.4 terawatt-hours, 32% 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 | 0.9156 terawatt-hours | 0.697 terawatt-hours | 1.34 terawatt-hours | 10 |
| 2000s | 2.57 terawatt-hours | 1.22 terawatt-hours | 5.58 terawatt-hours | 10 |
| 2010s | 9.94 terawatt-hours | 5.46 terawatt-hours | 15.87 terawatt-hours | 10 |
| 2020s | 18.87 terawatt-hours | 15.85 terawatt-hours | 22.17 terawatt-hours | 6 |
Countries ranked near Ireland
- 53 Ecuador 29.99 terawatt-hours compare
- 54 Greece 29.56 terawatt-hours compare
- 55 Slovenia 25.36 terawatt-hours compare
- 57 Saudi Arabia 19.77 terawatt-hours compare
- 58 Kazakhstan 17.61 terawatt-hours compare
- 59 Uzbekistan 16.81 terawatt-hours compare
More climate change data for Ireland
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 320.11 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 18,098 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 3,665 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 14,433 kt (2050)
- Emissions from livestock — Emissions 13.83 kt (2050)
- Emissions from livestock — Emissions 515.47 kt (2050)
- Emissions from crops — Emissions (CO2eq) 1,902 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 1,899 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 2.7 kt (2050)
- Emissions from crops — Emissions 7.17 kt (2050)
Frequently asked questions
- What is primary energy from low-carbon energy in Ireland?
- Primary energy from low-carbon energy in Ireland was 22.17 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 from low-carbon energy recorded in Ireland?
- The highest recorded value was 22.17 terawatt-hours in 2025.
- What is the lowest primary energy from low-carbon energy recorded in Ireland?
- The lowest recorded value was 0.4652 terawatt-hours in 1971.
- How does Ireland rank for primary energy from low-carbon energy?
- Ireland ranks 56th out of 80 countries with data for 2025.
- Is primary energy from low-carbon energy rising or falling in Ireland?
- Over the last ten years it is up 114.0%. 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 from low-carbon energy. 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.