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
The most recent figure for hydropower generation by region in Ireland is 0.6525 terawatt-hours, measured in 2025.
The figure 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.
Ireland ranks 58th of 79 countries 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 | 0.782 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 economy & growth data for Ireland
- External balance on goods and services as a percent of GDP 40.2% (2025)
- Inflation of consumer prices 2.2% (2025)
- GDP per capita 104,417 constant 2015 US$ (2025)
- Share of manufacturing in gross domestic product (GDP) 33.9% (2025)
- Gross domestic product (GDP) 572.66 billion constant 2015 US$ (2025)
- GDP per capita in international and market dollars 104,417 constant 2015 US$ (2025)
- DEC alternative conversion factor 0.885 LCU per US$ (2025)
- Net secondary income (Net current transfers from abroad) -4.31 billion current LCU (2024)
- Net secondary income (Net current transfers from abroad) -4.66 billion current US$ (2024)
- Taxes less subsidies on products 31.21 billion current LCU (2025)
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.