Primary energy from fossil fuels, nuclear, and renewables in Slovenia
Slovenia: Primary energy from fossil fuels, nuclear, and renewables was 25.7% in 2025. β² Rising
Primary energy from fossil fuels, nuclear, and renewables in Slovenia, 1990β2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data. Measured in %.
Analysis
In 2025, primary energy from fossil fuels, nuclear, and renewables in Slovenia stood at 25.7%.
Compared with earlier readings it is up 2.9% on the previous year and up 5.4% over ten years.
Over the whole period, primary energy from fossil fuels, nuclear, and renewables in Slovenia peaked at 26.8% in 2020 and was at its lowest, 18.9%, in 1996.
That places Slovenia 5th out of 212 countries with data for 2025, putting it in the top 10%.
The long-run direction has been consistently rising across the 36 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 20.6% | 18.9% | 23.5% | 10 |
| 2000s | 21.2% | 20.0% | 22.1% | 10 |
| 2010s | 23.3% | 21.3% | 25.8% | 10 |
| 2020s | 25.4% | 24.3% | 26.8% | 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 primary energy from fossil fuels, nuclear, and renewables in Slovenia?
- Primary energy from fossil fuels, nuclear, and renewables in Slovenia was 25.7% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) β with major processing by Our World in Data.
- What is the highest primary energy from fossil fuels, nuclear, and renewables recorded in Slovenia?
- The highest recorded value was 26.8% in 2020.
- What is the lowest primary energy from fossil fuels, nuclear, and renewables recorded in Slovenia?
- The lowest recorded value was 18.9% in 1996.
- How does Slovenia rank for primary energy from fossil fuels, nuclear, and renewables?
- Slovenia ranks 5th out of 212 countries with data for 2025.
- Is primary energy from fossil fuels, nuclear, and renewables rising or falling in Slovenia?
- Over the last ten years it is up 5.4%. 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) β with major processing by Our World in Data, published as part of Primary energy from fossil fuels, nuclear, and renewables. Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 36 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total energy supply.