Croatia vs Slovenia: Primary energy from hydropower

Croatia
5.52 terawatt-hours
in 2025
Slovenia
3.99 terawatt-hours
in 2025
Croatia rank
42nd
Slovenia rank
45th

Primary energy from hydropower over time

  • Croatia
  • Slovenia
246810199020072025

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 77 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 primary energy from hydropower, Croatia or Slovenia?
Croatia, at 5.52 terawatt-hours against 3.99 terawatt-hours in Slovenia as of 2025.
What is the difference in primary energy from hydropower 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 primary energy from hydropower?
Croatia ranks 42nd and Slovenia ranks 45th of 77 countries.
Where does this data come from?
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Primary energy from hydropower
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,686 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.