Primary energy use by source in Ireland
Ireland: Primary energy use by source was 12.06 terawatt-hours in 2025. ◆ Volatile
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.
That represents a change of 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.
That places Ireland 27th out of 79 regions 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.
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
- Fuel imports 6.2% (2024)
- Ores and metals imports 1.0% (2024)
- Ores and metals exports 0.6% (2024)
- Gas production 11.53 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 2,195 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 11.53 terawatt-hours (2024)
- Gas production per person 2,195 kilowatt-hours per person (2024)
- Fuel exports 0.4% (2024)
- Electric power transmission and distribution losses 8.2% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 50.7% (2023)
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 79 regions 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.