Slovakia vs Slovenia: Primary energy use by source
Slovakia
0.005 terawatt-hours
in 2025
Slovenia
0.0068 terawatt-hours
in 2025
Slovakia rank
72nd
Slovenia rank
71st
Primary energy use by source over time
- Slovakia
- Slovenia
How they compare
Slovenia currently reports 0.0068 terawatt-hours against 0.005 terawatt-hours in Slovakia, a difference of 0.0018 terawatt-hours.
That makes Slovenia's figure about 1.4 times Slovakia's.
The two have swapped places 4 times across 36 shared years of data; in 1990 it was Slovenia ahead.
Slovakia ranks 72nd and Slovenia ranks 71st of 79 countries.
Across the 4 decades both report, Slovakia averaged higher in 2 and Slovenia in 1.
Head to head by decade
| Decade | Slovakia | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.0041 terawatt-hours | 0 terawatt-hours | 0.0041 terawatt-hours | Slovakia |
| 2010s | 0.0059 terawatt-hours | 0.0038 terawatt-hours | 0.0021 terawatt-hours | Slovakia |
| 2020s | 0.0045 terawatt-hours | 0.0062 terawatt-hours | 0.0017 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use by source, Slovakia or Slovenia?
- Slovenia, at 0.0068 terawatt-hours against 0.005 terawatt-hours in Slovakia as of 2025.
- What is the difference in primary energy use by source between Slovakia and Slovenia?
- 0.0018 terawatt-hours, with Slovenia ahead.
- How many years of comparable data are there for Slovakia and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Slovakia and Slovenia rank globally for primary energy use by source?
- Slovakia ranks 72nd and Slovenia ranks 71st of 79 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 use by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.