Fossil fuel supply by source in Slovenia
Slovenia: Fossil fuel supply by source was 9.06 terawatt-hours in 2025. ▼ Falling
Fossil fuel supply by source in Slovenia, 1990–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Slovenia recorded 9.06 terawatt-hours for fossil fuel supply by source in 2025.
That represents a change of up 9.1% on the previous year and up 17.3% over ten years.
Over the whole period, fossil fuel supply by source in Slovenia peaked at 10.78 terawatt-hours in 2005 and was at its lowest, 7.11 terawatt-hours, in 1993.
Slovenia ranks 70th of 76 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 36 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 8.55 terawatt-hours | 7.11 terawatt-hours | 9.93 terawatt-hours | 10 |
| 2000s | 10.18 terawatt-hours | 9.53 terawatt-hours | 10.78 terawatt-hours | 10 |
| 2010s | 8.39 terawatt-hours | 7.28 terawatt-hours | 10.03 terawatt-hours | 10 |
| 2020s | 8.42 terawatt-hours | 7.67 terawatt-hours | 9.06 terawatt-hours | 6 |
Countries ranked near Slovenia
More energy & mining data for Slovenia
- Fuel imports 6.9% (2024)
- Ores and metals imports 3.3% (2024)
- Ores and metals exports 3.0% (2024)
- Gas production 0.037 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 17.49 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.037 terawatt-hours (2024)
- Gas production per person 17.49 kilowatt-hours per person (2024)
- Fuel exports 4.7% (2024)
- Electric power transmission and distribution losses 5.1% (2024)
- Share of dietary energy supply from carbohydrates vs gdp per capita 56.18 (2023)
Frequently asked questions
- What is fossil fuel supply by source in Slovenia?
- Fossil fuel supply by source in Slovenia was 9.06 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest fossil fuel supply by source recorded in Slovenia?
- The highest recorded value was 10.78 terawatt-hours in 2005.
- What is the lowest fossil fuel supply by source recorded in Slovenia?
- The lowest recorded value was 7.11 terawatt-hours in 1993.
- How does Slovenia rank for fossil fuel supply by source?
- Slovenia ranks 70th out of 76 countries with data for 2025.
- Is fossil fuel supply by source rising or falling in Slovenia?
- Over the last ten years it is up 17.3%. The long-run trend across the full record is falling.
- Where does this Slovenia data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Fossil fuel supply by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 36 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.