Iceland vs Portugal: Electricity generation from hydropower
Iceland
13.46 terawatt-hours
in 2024
Portugal
15.18 terawatt-hours
in 2025
Iceland rank
38th
Portugal rank
36th
Electricity generation from hydropower over time
- Iceland
- Portugal
How they compare
Portugal currently reports 15.18 terawatt-hours against 13.46 terawatt-hours in Iceland, a difference of 1.72 terawatt-hours.
That makes Portugal's figure about 1.1 times Iceland's.
The two have swapped places 10 times across 60 shared years of data; in 1965 it was Portugal ahead.
Iceland ranks 38th and Portugal ranks 36th of 214 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 | 9.84 terawatt-hours | 5.05 terawatt-hours | Portugal |
| 2000s | 8.07 terawatt-hours | 9.96 terawatt-hours | 1.89 terawatt-hours | Portugal |
| 2010s | 12.99 terawatt-hours | 11.41 terawatt-hours | 1.58 terawatt-hours | Iceland |
| 2020s | 13.6 terawatt-hours | 11.49 terawatt-hours | 2.11 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity generation from hydropower, Iceland or Portugal?
- Portugal, at 15.18 terawatt-hours against 13.46 terawatt-hours in Iceland as of 2025.
- What is the difference in electricity generation from hydropower between Iceland and Portugal?
- 1.72 terawatt-hours, with Portugal ahead.
- How many years of comparable data are there for Iceland and Portugal?
- 60 years are reported by both, from 1965 to 2024.
- How do Iceland and Portugal rank globally for electricity generation from hydropower?
- Iceland ranks 38th and Portugal ranks 36th of 214 countries.
- Where does this data come from?
- Ember (2026) and other sources – with major processing by Our World in Data, published as Electricity generation 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.