Year-to-year change in primary energy use by source in Ireland
Ireland: Year-to-year change in primary energy use by source was 0.5816 terawatt-hours in 2025. ◆ Volatile
Year-to-year change in primary energy use by source 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
The most recent figure for year-to-year change in primary energy use by source in Ireland is 0.5816 terawatt-hours, measured in 2025. That is the highest value across all 60 years on record.
Compared with earlier readings it is up 30.2% on the previous year and up 63,325.8% over ten years.
Over the whole period, year-to-year change in primary energy use by source in Ireland peaked at 0.5816 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1966.
That places Ireland 47th 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.
Year-to-year change in primary energy use by source in Ireland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 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 terawatt-hours | — |
| 1993 | 0 terawatt-hours | — |
| 1994 | 0 terawatt-hours | — |
| 1995 | 0 terawatt-hours | — |
| 1996 | 0 terawatt-hours | — |
| 1997 | 0 terawatt-hours | — |
| 1998 | 0 terawatt-hours | — |
| 1999 | 0 terawatt-hours | — |
| 2000 | 0 terawatt-hours | — |
| 2001 | 0 terawatt-hours | — |
| 2002 | 0 terawatt-hours | — |
| 2003 | 0 terawatt-hours | — |
| 2004 | 0 terawatt-hours | — |
| 2005 | 0 terawatt-hours | — |
| 2006 | 0 terawatt-hours | — |
| 2007 | 0 terawatt-hours | — |
| 2008 | 0 terawatt-hours | — |
| 2009 | 0.0004 terawatt-hours | — |
| 2010 | 0.0001 terawatt-hours | -87.7% |
| 2011 | 0.0001 terawatt-hours | +26.9% |
| 2012 | 0.0001 terawatt-hours | +56.1% |
| 2013 | 0.0002 terawatt-hours | +77.7% |
| 2014 | 0.0003 terawatt-hours | +64.5% |
| 2015 | 0.0009 terawatt-hours | +204.7% |
| 2016 | 0.0027 terawatt-hours | +193.3% |
| 2017 | 0.0052 terawatt-hours | +93.9% |
| 2018 | 0.0082 terawatt-hours | +57.2% |
| 2019 | 0.0157 terawatt-hours | +91.0% |
| 2020 | 0.0213 terawatt-hours | +36.0% |
| 2021 | 0.0295 terawatt-hours | +38.6% |
| 2022 | 0.064 terawatt-hours | +116.8% |
| 2023 | 0.4978 terawatt-hours | +677.6% |
| 2024 | 0.4466 terawatt-hours | -10.3% |
| 2025 | 0.5816 terawatt-hours | +30.2% |
Ireland compared with similar countries
- Ireland's 0.5816 terawatt-hours is below the median for high income countries, which is 1.11 terawatt-hours, 53% of the median. (47 countries reporting)
- Ireland's 0.5816 terawatt-hours is above the median for Europe & Central Asia, which is 0.5816 terawatt-hours, 1.0× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Year-to-year change in 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 |
|---|---|---|---|
| 2023 | +677.6% | 0.064 terawatt-hours | 0.4978 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 4 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0 terawatt-hours | 0 terawatt-hours | 0.0004 terawatt-hours | 10 |
| 2010s | 0.0033 terawatt-hours | 0.0001 terawatt-hours | 0.0157 terawatt-hours | 10 |
| 2020s | 0.2735 terawatt-hours | 0.0213 terawatt-hours | 0.5816 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 year-to-year change in primary energy use by source in Ireland?
- Year-to-year change in primary energy use by source in Ireland was 0.5816 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 year-to-year change in primary energy use by source recorded in Ireland?
- The highest recorded value was 0.5816 terawatt-hours in 2025.
- What is the lowest year-to-year change in primary energy use by source recorded in Ireland?
- The lowest recorded value was 0 terawatt-hours in 1966.
- How does Ireland rank for year-to-year change in primary energy use by source?
- Ireland ranks 47th out of 80 countries with data for 2025.
- Is year-to-year change in primary energy use by source rising or falling in Ireland?
- Over the last ten years it is up 63,325.8%. 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 Year-to-year change in primary energy use by source. 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.