Primary energy use by source in Slovenia
Slovenia: Primary energy use by source was 0.0068 terawatt-hours in 2025. ◆ Volatile
Primary energy use 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 0.0068 terawatt-hours for primary energy use by source in 2025. That is the highest value across all 36 years on record.
That represents a change of up 3.9% on the previous year and up 13.4% over ten years.
Over the whole period, primary energy use by source in Slovenia peaked at 0.0068 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1990.
That places Slovenia 71st out of 79 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2010s | 0.0038 terawatt-hours | 0 terawatt-hours | 0.0062 terawatt-hours | 10 |
| 2020s | 0.0062 terawatt-hours | 0.0056 terawatt-hours | 0.0068 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 56.2% (2023)
Frequently asked questions
- What is primary energy use by source in Slovenia?
- Primary energy use by source in Slovenia was 0.0068 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 primary energy use by source recorded in Slovenia?
- The highest recorded value was 0.0068 terawatt-hours in 2025.
- What is the lowest primary energy use by source recorded in Slovenia?
- The lowest recorded value was 0 terawatt-hours in 1990.
- How does Slovenia rank for primary energy use by source?
- Slovenia ranks 71st out of 79 countries with data for 2025.
- Is primary energy use by source rising or falling in Slovenia?
- Over the last ten years it is up 13.4%. The long-run trend across the full record is volatile.
- 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 Primary energy use 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.