Share of primary energy use by source in Slovenia
Slovenia: Share of primary energy use by source was 13.2% in 2025. ▼ Falling
Share of primary energy use by source 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
In 2025, share of primary energy use by source in Slovenia stood at 13.2%.
The figure is up 12.3% on the previous year and up 19.6% over ten years.
Over the whole period, share of primary energy use by source in Slovenia peaked at 13.9% in 2003 and was at its lowest, 9.7%, in 2014.
Slovenia ranks 59th of 77 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 36 years of available data.
Share of primary energy use by source in Slovenia, year by year
| Year | % | Change |
|---|---|---|
| 1990 | 13.8% | — |
| 1991 | 13.3% | -3.4% |
| 1992 | 12.1% | -9.2% |
| 1993 | 11.5% | -4.6% |
| 1994 | 11.9% | +2.9% |
| 1995 | 12.3% | +4.1% |
| 1996 | 11.9% | -3.3% |
| 1997 | 12.3% | +2.7% |
| 1998 | 12.8% | +4.3% |
| 1999 | 13.6% | +6.3% |
| 2000 | 13.3% | -2.2% |
| 2001 | 13.0% | -2.2% |
| 2002 | 12.4% | -4.5% |
| 2003 | 13.9% | +11.8% |
| 2004 | 13.3% | -4.6% |
| 2005 | 13.4% | +1.1% |
| 2006 | 12.9% | -3.4% |
| 2007 | 13.1% | +1.3% |
| 2008 | 11.6% | -11.8% |
| 2009 | 12.1% | +4.7% |
| 2010 | 12.4% | +2.9% |
| 2011 | 10.7% | -13.8% |
| 2012 | 10.8% | +0.3% |
| 2013 | 10.9% | +1.1% |
| 2014 | 9.7% | -10.3% |
| 2015 | 11.0% | +12.8% |
| 2016 | 11.0% | +0.1% |
| 2017 | 11.2% | +2.1% |
| 2018 | 11.0% | -1.7% |
| 2019 | 11.4% | +2.9% |
| 2020 | 11.9% | +4.6% |
| 2021 | 12.6% | +6.3% |
| 2022 | 11.8% | -6.7% |
| 2023 | 11.4% | -3.1% |
| 2024 | 11.7% | +2.5% |
| 2025 | 13.2% | +12.3% |
Slovenia compared with similar countries
- Slovenia's 13.2% is below the median for high income countries, which is 24.7%, 53% of the median. (45 countries reporting)
- Slovenia's 13.2% is below the median for Europe & Central Asia, which is 24.9%, 53% of the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 12.5% | 11.5% | 13.8% | 10 |
| 2000s | 12.9% | 11.6% | 13.9% | 10 |
| 2010s | 11.0% | 9.7% | 12.4% | 10 |
| 2020s | 12.1% | 11.4% | 13.2% | 6 |
Countries ranked near Slovenia
More energy & mining data for Slovenia
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -2.87 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 6.9% (2024)
Frequently asked questions
- What is share of primary energy use by source in Slovenia?
- Share of primary energy use by source in Slovenia was 13.2% 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 use by source recorded in Slovenia?
- The highest recorded value was 13.9% in 2003.
- What is the lowest share of primary energy use by source recorded in Slovenia?
- The lowest recorded value was 9.7% in 2014.
- How does Slovenia rank for share of primary energy use by source?
- Slovenia ranks 59th out of 77 countries with data for 2025.
- Is share of primary energy use by source rising or falling in Slovenia?
- Over the last ten years it is up 19.6%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy use by source. Statizoid updates them automatically from the source API.
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About this data
Measured as a percentage of total energy supply.