Croatia vs Slovenia: Solar energy generation by region
Croatia
1.31 terawatt-hours
in 2025
Slovenia
1.54 terawatt-hours
in 2025
Croatia rank
61st
Slovenia rank
59th
Solar energy generation by region over time
- Croatia
- Slovenia
How they compare
Slovenia currently reports 1.54 terawatt-hours against 1.31 terawatt-hours in Croatia, a difference of 0.23 terawatt-hours.
That makes Slovenia's figure about 1.2 times Croatia's.
Across all 36 years both countries report, Slovenia has been ahead every year.
Croatia ranks 61st and Slovenia ranks 59th of 79 countries.
Slovenia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Croatia | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0 terawatt-hours | 0.0005 terawatt-hours | 0.0005 terawatt-hours | Slovenia |
| 2010s | 0.0409 terawatt-hours | 0.2097 terawatt-hours | 0.1688 terawatt-hours | Slovenia |
| 2020s | 0.4905 terawatt-hours | 0.8761 terawatt-hours | 0.3856 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation by region, Croatia or Slovenia?
- Slovenia, at 1.54 terawatt-hours against 1.31 terawatt-hours in Croatia as of 2025.
- What is the difference in solar energy generation by region between Croatia and Slovenia?
- 0.23 terawatt-hours, with Slovenia 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 solar energy generation by region?
- Croatia ranks 61st and Slovenia ranks 59th 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 Solar energy 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 generation and do not account for cross-border electricity supply.