Iceland vs Spain: Annual percentage change in primary energy from hydropower
Iceland
-3.3%
in 2025
Spain
-1.9%
in 2025
Iceland rank
33rd
Spain rank
31st
Annual percentage change in primary energy from hydropower over time
- Iceland
- Spain
How they compare
Spain currently reports -1.9% against -3.3% in Iceland, a difference of 1.4%.
The two have swapped places 40 times across 60 shared years of data; in 1966 it was Spain ahead.
Iceland ranks 33rd and Spain ranks 31st of 71 countries.
Across the 7 decades both report, Iceland averaged higher in 2 and Spain in 5.
Head to head by decade
| Decade | Iceland | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 8.1% | 13.7% | 5.6% | Spain |
| 1970s | 13.9% | 7.6% | 6.3% | Iceland |
| 1980s | 4.2% | -5.2% | 9.4% | Iceland |
| 1990s | 3.7% | 5.9% | 2.2% | Spain |
| 2000s | 8.1% | 8.5% | 0.4% | Spain |
| 2010s | 1.0% | 8.9% | 8.0% | Spain |
| 2020s | -0.3% | 11.7% | 12.0% | Spain |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Iceland or Spain?
- Spain, at -1.9% against -3.3% in Iceland as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Iceland and Spain?
- 1.4%, with Spain ahead.
- How many years of comparable data are there for Iceland and Spain?
- 60 years are reported by both, from 1966 to 2025.
- How do Iceland and Spain rank globally for annual percentage change in primary energy from hydropower?
- Iceland ranks 33rd and Spain ranks 31st 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.