Ireland vs Romania: Annual percentage change in primary energy from hydropower
Ireland
-14.8%
in 2025
Romania
-14.5%
in 2025
Ireland rank
49th
Romania rank
48th
Annual percentage change in primary energy from hydropower over time
- Ireland
- Romania
How they compare
Romania currently reports -14.5% against -14.8% in Ireland, a difference of 0.3%.
The two have swapped places 38 times across 60 shared years of data; in 1966 it was Romania ahead.
Ireland ranks 49th and Romania ranks 48th of 71 countries.
Across the 7 decades both report, Ireland averaged higher in 1 and Romania in 6.
Head to head by decade
| Decade | Ireland | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | -11.0% | 23.3% | 34.3% | Romania |
| 1970s | 7.7% | 19.8% | 12.1% | Romania |
| 1980s | -0.4% | 2.8% | 3.2% | Romania |
| 1990s | 3.0% | 4.1% | 1.0% | Romania |
| 2000s | 4.0% | -0.5% | 4.5% | Ireland |
| 2010s | 1.9% | 2.0% | 0.2% | Romania |
| 2020s | -3.3% | -2.4% | 0.9% | Romania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Ireland or Romania?
- Romania, at -14.5% against -14.8% in Ireland as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Ireland and Romania?
- 0.3%, with Romania ahead.
- How many years of comparable data are there for Ireland and Romania?
- 60 years are reported by both, from 1966 to 2025.
- How do Ireland and Romania rank globally for annual percentage change in primary energy from hydropower?
- Ireland ranks 49th and Romania ranks 48th of 71 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual percentage change in primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage change in total energy supply relative to the previous year.