Hydropower generation by region in Ireland
Ireland: Hydropower generation by region was 0.6525 terawatt-hours in 2025. ▬ Flat
Hydropower generation by region in Ireland, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, hydropower generation by region in Ireland stood at 0.6525 terawatt-hours.
Compared with earlier readings it is down 14.8% on the previous year and down 19.1% over ten years.
Over the whole period, hydropower generation by region in Ireland peaked at 0.9683 terawatt-hours in 2008 and was at its lowest, 0.4652 terawatt-hours, in 1971.
That places Ireland 58th out of 79 countries with data for 2025, putting it 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 | 0.782 terawatt-hours | 0.678 terawatt-hours | 0.92 terawatt-hours | 10 |
| 2000s | 0.7474 terawatt-hours | 0.596 terawatt-hours | 0.9683 terawatt-hours | 10 |
| 2010s | 0.7176 terawatt-hours | 0.5992 terawatt-hours | 0.8866 terawatt-hours | 10 |
| 2020s | 0.7908 terawatt-hours | 0.6525 terawatt-hours | 0.9428 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 hydropower generation by region in Ireland?
- Hydropower generation by region in Ireland was 0.6525 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 hydropower generation by region recorded in Ireland?
- The highest recorded value was 0.9683 terawatt-hours in 2008.
- What is the lowest hydropower generation by region recorded in Ireland?
- The lowest recorded value was 0.4652 terawatt-hours in 1971.
- How does Ireland rank for hydropower generation by region?
- Ireland ranks 58th out of 79 countries with data for 2025.
- Is hydropower generation by region rising or falling in Ireland?
- Over the last ten years it is down 19.1%. The long-run trend across the full record is flat.
- 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 Hydropower generation by region. 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
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.