Finland vs Iceland: Hydropower generation by region
Finland
12.44 terawatt-hours
in 2025
Iceland
13.16 terawatt-hours
in 2025
Finland rank
34th
Iceland rank
32nd
Hydropower generation by region over time
- Finland
- Iceland
How they compare
Iceland currently reports 13.16 terawatt-hours against 12.44 terawatt-hours in Finland, a difference of 0.72 terawatt-hours.
That makes Iceland's figure about 1.1 times Finland's.
The two have swapped places 9 times across 61 shared years of data; in 1965 it was Finland ahead.
Finland ranks 34th and Iceland ranks 32nd of 79 countries.
Finland has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Finland | Iceland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 10.12 terawatt-hours | 0.6952 terawatt-hours | 9.42 terawatt-hours | Finland |
| 1970s | 10.84 terawatt-hours | 2.16 terawatt-hours | 8.68 terawatt-hours | Finland |
| 1980s | 12.87 terawatt-hours | 3.67 terawatt-hours | 9.2 terawatt-hours | Finland |
| 1990s | 12.93 terawatt-hours | 4.79 terawatt-hours | 8.14 terawatt-hours | Finland |
| 2000s | 13.26 terawatt-hours | 8.15 terawatt-hours | 5.1 terawatt-hours | Finland |
| 2010s | 14.15 terawatt-hours | 13.18 terawatt-hours | 0.9768 terawatt-hours | Finland |
| 2020s | 14.52 terawatt-hours | 13.69 terawatt-hours | 0.8277 terawatt-hours | Finland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, Finland or Iceland?
- Iceland, at 13.16 terawatt-hours against 12.44 terawatt-hours in Finland as of 2025.
- What is the difference in hydropower generation by region between Finland and Iceland?
- 0.72 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Finland and Iceland?
- 61 years are reported by both, from 1965 to 2025.
- How do Finland and Iceland rank globally for hydropower generation by region?
- Finland ranks 34th and Iceland ranks 32nd of 79 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 Hydropower generation by region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.