Annual percentage change in primary energy from hydropower in Ireland
Ireland: Annual percentage change in primary energy from hydropower was -14.8% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Ireland, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
Ireland recorded -14.8% for annual percentage change in primary energy from hydropower in 2025.
Compared with earlier readings it is up 20.9% on the previous year and down 207.4% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Ireland peaked at 53.0% in 2002 and was at its lowest, -42.0%, in 1971.
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 | -11.0% | -24.2% | -4.3% | 4 |
| 1970s | 7.7% | -42.0% | 47.5% | 10 |
| 1980s | -0.4% | -25.3% | 27.1% | 10 |
| 1990s | 3.0% | -22.5% | 35.1% | 10 |
| 2000s | 4.0% | -34.4% | 53.0% | 10 |
| 2010s | 1.9% | -33.5% | 27.7% | 10 |
| 2020s | -3.3% | -19.6% | 34.4% | 6 |
Countries ranked near Ireland
More reference data data for Ireland
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- Autumn temperature anomalies -0.5528 °C (2025)
- Winter temperature anomalies 0.8957 °C (2025)
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Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Ireland?
- Annual percentage change in primary energy from hydropower in Ireland was -14.8% 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 annual percentage change in primary energy from hydropower recorded in Ireland?
- The highest recorded value was 53.0% in 2002.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Ireland?
- The lowest recorded value was -42.0% in 1971.
- How does Ireland rank for annual percentage change in primary energy from hydropower?
- Ireland ranks 1st out of 2 regions with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Ireland?
- Over the last ten years it is down 207.4%. 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 Annual percentage change in primary energy from hydropower. 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
Percentage change in total energy supply relative to the previous year.