Electricity generation from hydropower in Ireland
Ireland: Electricity generation from hydropower was 0.65 terawatt-hours in 2025. ▬ Flat
Electricity generation from hydropower in Ireland, 1965–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for electricity generation from hydropower in Ireland is 0.65 terawatt-hours, measured in 2025.
That represents a change of down 15.6% on the previous year and down 19.8% over ten years.
Over the whole period, electricity generation from hydropower in Ireland peaked at 0.97 terawatt-hours in 2008 and was at its lowest, 0.4652 terawatt-hours, in 1971.
Ireland ranks 108th of 214 regions on this measure, in the middle of the range.
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 | 0.783 terawatt-hours | 0.68 terawatt-hours | 0.92 terawatt-hours | 10 |
| 2000s | 0.748 terawatt-hours | 0.6 terawatt-hours | 0.97 terawatt-hours | 10 |
| 2010s | 0.718 terawatt-hours | 0.6 terawatt-hours | 0.89 terawatt-hours | 10 |
| 2020s | 0.79 terawatt-hours | 0.65 terawatt-hours | 0.94 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 electricity generation from hydropower in Ireland?
- Electricity generation from hydropower in Ireland was 0.65 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest electricity generation from hydropower recorded in Ireland?
- The highest recorded value was 0.97 terawatt-hours in 2008.
- What is the lowest electricity generation from hydropower recorded in Ireland?
- The lowest recorded value was 0.4652 terawatt-hours in 1971.
- How does Ireland rank for electricity generation from hydropower?
- Ireland ranks 108th out of 214 regions with data for 2025.
- Is electricity generation from hydropower rising or falling in Ireland?
- Over the last ten years it is down 19.8%. The long-run trend across the full record is flat.
- Where does this Ireland data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Electricity generation from hydropower. 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.