Share of primary energy from nuclear in Slovenia
Slovenia: Share of primary energy from nuclear was 25.7% in 2025. ▲ Rising
Share of primary energy from nuclear 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 %.
Analysis
The most recent figure for share of primary energy from nuclear in Slovenia is 25.7%, measured in 2025.
Compared with earlier readings it is up 2.9% on the previous year and up 5.4% over ten years.
Over the whole period, share of primary energy from nuclear in Slovenia peaked at 26.8% in 2020 and was at its lowest, 18.9%, in 1996.
Slovenia ranks 5th of 215 countries on this measure, 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 56.2% (2023)
Frequently asked questions
- What is share of primary energy from nuclear in Slovenia?
- Share of primary energy from nuclear 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) – with major processing by Our World in Data.
- What is the highest share of primary energy from nuclear recorded in Slovenia?
- The highest recorded value was 26.8% in 2020.
- What is the lowest share of primary energy from nuclear recorded in Slovenia?
- The lowest recorded value was 18.9% in 1996.
- How does Slovenia rank for share of primary energy from nuclear?
- Slovenia ranks 5th out of 215 countries with data for 2025.
- Is share of primary energy from nuclear 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) – with major processing by Our World in Data, published as part of Share of primary energy from nuclear. Statizoid updates them automatically from the source API.
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CSV · JSON — 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.