Romania vs Slovenia: Annual change in primary energy from gas
Romania
1.19 terawatt-hours
in 2025
Slovenia
0.7552 terawatt-hours
in 2025
Romania rank
36th
Slovenia rank
38th
Annual change in primary energy from gas over time
- Romania
- Slovenia
How they compare
Romania currently reports 1.19 terawatt-hours against 0.7552 terawatt-hours in Slovenia, a difference of 0.4348 terawatt-hours.
That makes Romania's figure about 1.6 times Slovenia's.
The two have swapped places 13 times across 35 shared years of data; in 1991 it was Slovenia ahead.
Romania ranks 36th and Slovenia ranks 38th of 77 countries.
Slovenia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Romania | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | -19.52 terawatt-hours | 0.1119 terawatt-hours | 19.63 terawatt-hours | Slovenia |
| 2000s | -3.66 terawatt-hours | -0.0264 terawatt-hours | 3.64 terawatt-hours | Slovenia |
| 2010s | -1.53 terawatt-hours | -0.1098 terawatt-hours | 1.42 terawatt-hours | Slovenia |
| 2020s | -2.01 terawatt-hours | 0.082 terawatt-hours | 2.09 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from gas, Romania or Slovenia?
- Romania, at 1.19 terawatt-hours against 0.7552 terawatt-hours in Slovenia as of 2025.
- What is the difference in annual change in primary energy from gas between Romania and Slovenia?
- 0.4348 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 annual change in primary energy from gas?
- Romania ranks 36th and Slovenia ranks 38th of 77 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 Annual change in primary energy from gas. 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.