CIS (EI) vs Slovenia: Primary energy from fossil fuels, nuclear, and renewables
CIS (EI)
6.4%
in 2025
Slovenia
25.7%
in 2025
CIS (EI) rank
2nd
Slovenia rank
5th
Primary energy from fossil fuels, nuclear, and renewables over time
- CIS (EI)
- Slovenia
How they compare
Slovenia currently reports 25.7% against 6.4% in CIS (EI), a difference of 19.3%.
That makes Slovenia's figure about 4.0 times CIS (EI)'s.
Across all 36 years both countries report, Slovenia has been ahead every year.
CIS (EI) ranks 2nd and Slovenia ranks 5th of 2 groups.
Slovenia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | CIS (EI) | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3.5% | 20.6% | 17.1% | Slovenia |
| 2000s | 5.1% | 21.2% | 16.1% | Slovenia |
| 2010s | 5.8% | 23.3% | 17.5% | Slovenia |
| 2020s | 6.4% | 25.4% | 18.9% | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from fossil fuels, nuclear, and renewables, CIS (EI) or Slovenia?
- Slovenia, at 25.7% against 6.4% in CIS (EI) as of 2025.
- What is the difference in primary energy from fossil fuels, nuclear, and renewables between CIS (EI) and Slovenia?
- 19.3%, with Slovenia ahead.
- How many years of comparable data are there for CIS (EI) and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do CIS (EI) and Slovenia rank globally for primary energy from fossil fuels, nuclear, and renewables?
- CIS (EI) ranks 2nd and Slovenia ranks 5th of 2 groups.
- 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.