Croatia vs Slovenia: Hydropower generation by region
Croatia
5.52 terawatt-hours
in 2025
Slovenia
3.99 terawatt-hours
in 2025
Croatia rank
42nd
Slovenia rank
45th
Hydropower generation by region over time
- Croatia
- Slovenia
How they compare
Croatia currently reports 5.52 terawatt-hours against 3.99 terawatt-hours in Slovenia, a difference of 1.53 terawatt-hours.
That makes Croatia's figure about 1.4 times Slovenia's.
Across all 36 years both countries report, Croatia has been ahead every year.
Croatia ranks 42nd and Slovenia ranks 45th of 79 countries.
Croatia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Croatia | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 5.65 terawatt-hours | 3.36 terawatt-hours | 2.29 terawatt-hours | Croatia |
| 2000s | 6.41 terawatt-hours | 3.7 terawatt-hours | 2.71 terawatt-hours | Croatia |
| 2010s | 6.87 terawatt-hours | 4.41 terawatt-hours | 2.46 terawatt-hours | Croatia |
| 2020s | 6.44 terawatt-hours | 4.52 terawatt-hours | 1.92 terawatt-hours | Croatia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, Croatia or Slovenia?
- Croatia, at 5.52 terawatt-hours against 3.99 terawatt-hours in Slovenia as of 2025.
- What is the difference in hydropower generation by region between Croatia and Slovenia?
- 1.53 terawatt-hours, with Croatia ahead.
- How many years of comparable data are there for Croatia and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Croatia and Slovenia rank globally for hydropower generation by region?
- Croatia ranks 42nd and Slovenia ranks 45th 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.