Romania vs Slovenia: Year-to-year change in primary energy from fossil fuels vs.
Romania
-0.6788 terawatt-hours
in 2025
Slovenia
-0.7674 terawatt-hours
in 2025
Romania rank
63rd
Slovenia rank
64th
Year-to-year change in primary energy from fossil fuels vs. over time
- Romania
- Slovenia
How they compare
Romania currently reports -0.6788 terawatt-hours against -0.7674 terawatt-hours in Slovenia, a difference of 0.0886 terawatt-hours.
The two have swapped places 18 times across 35 shared years of data; in 1991 it was Romania ahead.
Romania ranks 63rd and Slovenia ranks 64th of 80 countries.
Across the 4 decades both report, Romania averaged higher in 3 and Slovenia in 1.
Head to head by decade
| Decade | Romania | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2.51 terawatt-hours | 0.1204 terawatt-hours | 2.39 terawatt-hours | Romania |
| 2000s | 1.76 terawatt-hours | 0.4983 terawatt-hours | 1.26 terawatt-hours | Romania |
| 2010s | 1.25 terawatt-hours | 0.1258 terawatt-hours | 1.12 terawatt-hours | Romania |
| 2020s | -0.1993 terawatt-hours | 0.1755 terawatt-hours | 0.3748 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher year-to-year change in primary energy from fossil fuels vs. low-carbon energy, Romania or Slovenia?
- Romania, at -0.6788 terawatt-hours against -0.7674 terawatt-hours in Slovenia as of 2025.
- What is the difference in year-to-year change in primary energy from fossil fuels vs. low-carbon energy between Romania and Slovenia?
- 0.0886 terawatt-hours, with Romania ahead.
- How many years of comparable data are there for Romania and Slovenia?
- 35 years are reported by both, from 1991 to 2025.
- How do Romania and Slovenia rank globally for year-to-year change in primary energy from fossil fuels vs. low-carbon energy?
- Romania ranks 63rd and Slovenia ranks 64th of 80 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Year-to-year change in primary energy from fossil fuels vs. low-carbon energy. 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.