Slovakia vs Slovenia: Annual change in primary energy from hydropower
Slovakia
-1.87 terawatt-hours
in 2025
Slovenia
-1.34 terawatt-hours
in 2025
Slovakia rank
63rd
Slovenia rank
61st
Annual change in primary energy from hydropower over time
- Slovakia
- Slovenia
How they compare
Slovenia currently reports -1.34 terawatt-hours against -1.87 terawatt-hours in Slovakia, a difference of 0.53 terawatt-hours.
The two have swapped places 22 times across 35 shared years of data; in 1991 it was Slovenia ahead.
Slovakia ranks 63rd and Slovenia ranks 61st of 77 countries.
Across the 4 decades both report, Slovakia averaged higher in 2 and Slovenia in 2.
Head to head by decade
| Decade | Slovakia | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.2882 terawatt-hours | 0.085 terawatt-hours | 0.2032 terawatt-hours | Slovakia |
| 2000s | -0.0106 terawatt-hours | 0.0976 terawatt-hours | 0.1082 terawatt-hours | Slovenia |
| 2010s | -0.0012 terawatt-hours | -0.0236 terawatt-hours | 0.0224 terawatt-hours | Slovakia |
| 2020s | -0.2332 terawatt-hours | -0.081 terawatt-hours | 0.1522 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, Slovakia or Slovenia?
- Slovenia, at -1.34 terawatt-hours against -1.87 terawatt-hours in Slovakia as of 2025.
- What is the difference in annual change in primary energy from hydropower between Slovakia and Slovenia?
- 0.53 terawatt-hours, with Slovenia ahead.
- How many years of comparable data are there for Slovakia and Slovenia?
- 35 years are reported by both, from 1991 to 2025.
- How do Slovakia and Slovenia rank globally for annual change in primary energy from hydropower?
- Slovakia ranks 63rd and Slovenia ranks 61st 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 Annual change in primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.