Iceland vs Portugal: Primary energy from hydropower
Iceland
13.16 terawatt-hours
in 2025
Portugal
14.87 terawatt-hours
in 2025
Iceland rank
33rd
Portugal rank
30th
Primary energy from hydropower over time
- Iceland
- Portugal
How they compare
Portugal currently reports 14.87 terawatt-hours against 13.16 terawatt-hours in Iceland, a difference of 1.71 terawatt-hours.
That makes Portugal's figure about 1.1 times Iceland's.
The two have swapped places 10 times across 61 shared years of data; in 1965 it was Portugal ahead.
Iceland ranks 33rd and Portugal ranks 30th of 80 countries.
Across the 7 decades both report, Iceland averaged higher in 2 and Portugal in 5.
Head to head by decade
| Decade | Iceland | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.6952 terawatt-hours | 5.25 terawatt-hours | 4.55 terawatt-hours | Portugal |
| 1970s | 2.16 terawatt-hours | 7.74 terawatt-hours | 5.58 terawatt-hours | Portugal |
| 1980s | 3.67 terawatt-hours | 8.42 terawatt-hours | 4.75 terawatt-hours | Portugal |
| 1990s | 4.79 terawatt-hours | 9.85 terawatt-hours | 5.06 terawatt-hours | Portugal |
| 2000s | 8.15 terawatt-hours | 9.95 terawatt-hours | 1.8 terawatt-hours | Portugal |
| 2010s | 13.18 terawatt-hours | 11.41 terawatt-hours | 1.77 terawatt-hours | Iceland |
| 2020s | 13.69 terawatt-hours | 12.06 terawatt-hours | 1.63 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from hydropower, Iceland or Portugal?
- Portugal, at 14.87 terawatt-hours against 13.16 terawatt-hours in Iceland as of 2025.
- What is the difference in primary energy from hydropower between Iceland and Portugal?
- 1.71 terawatt-hours, with Portugal ahead.
- How many years of comparable data are there for Iceland and Portugal?
- 61 years are reported by both, from 1965 to 2025.
- How do Iceland and Portugal rank globally for primary energy from hydropower?
- Iceland ranks 33rd and Portugal ranks 30th of 80 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data, published as Primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.