Czechia vs Slovenia: Primary energy from fossil fuels, nuclear, and renewables
Czechia
23.1%
in 2025
Slovenia
25.7%
in 2025
Czechia rank
8th
Slovenia rank
5th
Primary energy from fossil fuels, nuclear, and renewables over time
- Czechia
- Slovenia
How they compare
Slovenia currently reports 25.7% against 23.1% in Czechia, a difference of 2.6%.
That makes Slovenia's figure about 1.1 times Czechia's.
Across all 36 years both countries report, Slovenia has been ahead every year.
Czechia ranks 8th and Slovenia ranks 5th of 216 countries.
Slovenia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Czechia | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 7.9% | 20.6% | 12.7% | Slovenia |
| 2000s | 13.6% | 21.2% | 7.6% | Slovenia |
| 2010s | 17.7% | 23.3% | 5.6% | Slovenia |
| 2020s | 21.2% | 25.4% | 4.2% | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from fossil fuels, nuclear, and renewables, Czechia or Slovenia?
- Slovenia, at 25.7% against 23.1% in Czechia as of 2025.
- What is the difference in primary energy from fossil fuels, nuclear, and renewables between Czechia and Slovenia?
- 2.6%, with Slovenia ahead.
- How many years of comparable data are there for Czechia and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Czechia and Slovenia rank globally for primary energy from fossil fuels, nuclear, and renewables?
- Czechia ranks 8th and Slovenia ranks 5th of 216 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data, published as Primary energy from fossil fuels, nuclear, and renewables. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.