Primary energy use in Slovenia
Slovenia: Primary energy use was 68.89 terawatt-hours in 2025. ▲ Rising
Primary energy use in Slovenia, 1990–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy use in Slovenia is 68.89 terawatt-hours, measured in 2025.
The figure is down 2.9% on the previous year and down 2.0% over ten years.
Over the whole period, primary energy use in Slovenia peaked at 88.43 terawatt-hours in 2008 and was at its lowest, 59.3 terawatt-hours, in 1992.
That places Slovenia 100th out of 218 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 36 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 68.1 terawatt-hours | 59.3 terawatt-hours | 75.74 terawatt-hours | 10 |
| 2000s | 79.05 terawatt-hours | 72.19 terawatt-hours | 88.43 terawatt-hours | 10 |
| 2010s | 76.07 terawatt-hours | 70.27 terawatt-hours | 80.56 terawatt-hours | 10 |
| 2020s | 69.6 terawatt-hours | 67.12 terawatt-hours | 71.96 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 in Slovenia?
- Primary energy use in Slovenia was 68.89 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest primary energy use recorded in Slovenia?
- The highest recorded value was 88.43 terawatt-hours in 2008.
- What is the lowest primary energy use recorded in Slovenia?
- The lowest recorded value was 59.3 terawatt-hours in 1992.
- How does Slovenia rank for primary energy use?
- Slovenia ranks 100th out of 218 countries with data for 2025.
- Is primary energy use rising or falling in Slovenia?
- Over the last ten years it is down 2.0%. The long-run trend across the full record is rising.
- Where does this Slovenia data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Primary energy use. 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.