Iceland vs Slovak Republic: Wind energy generation vs. installed capacity
Iceland
10.42 terawatt-hours
in 2025
Slovak Republic
4.99 terawatt-hours
in 2025
Iceland rank
70th
Slovak Republic rank
72nd
Wind energy generation vs. installed capacity over time
- Iceland
- Slovak Republic
How they compare
Iceland currently reports 10.42 terawatt-hours against 4.99 terawatt-hours in Slovak Republic, a difference of 5.43 terawatt-hours.
That makes Iceland's figure about 2.1 times Slovak Republic's.
The two have swapped places 3 times across 36 shared years of data; in 1990 it was Slovak Republic ahead.
Iceland ranks 70th and Slovak Republic ranks 72nd of 79 countries.
Across the 4 decades both report, Iceland averaged higher in 1 and Slovak Republic in 2.
Head to head by decade
| Decade | Iceland | Slovak Republic | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | β |
| 2000s | 0 terawatt-hours | 4.1 terawatt-hours | 4.1 terawatt-hours | Slovak Republic |
| 2010s | 5.3 terawatt-hours | 5.9 terawatt-hours | 0.5959 terawatt-hours | Slovak Republic |
| 2020s | 8.14 terawatt-hours | 4.5 terawatt-hours | 3.64 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher wind energy generation vs. installed capacity, Iceland or Slovak Republic?
- Iceland, at 10.42 terawatt-hours against 4.99 terawatt-hours in Slovak Republic as of 2025.
- What is the difference in wind energy generation vs. installed capacity between Iceland and Slovak Republic?
- 5.43 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Iceland and Slovak Republic?
- 36 years are reported by both, from 1990 to 2025.
- How do Iceland and Slovak Republic rank globally for wind energy generation vs. installed capacity?
- Iceland ranks 70th and Slovak Republic ranks 72nd of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) β with major processing by Our World in Data, published as Wind energy generation vs. installed capacity. 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 generation and do not account for cross-border electricity supply.