Share of primary energy from solar in Slovenia
Slovenia: Share of primary energy from solar was 2.2% in 2025. ◆ Volatile
Share of primary energy from solar 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 from solar in Slovenia stood at 2.2%. That is the highest value across all 36 years on record.
Compared with earlier readings it is up 24.8% on the previous year and up 472.2% over ten years.
Over the whole period, share of primary energy from solar in Slovenia peaked at 2.2% in 2025 and was at its lowest, 0.0%, in 1990.
That places Slovenia 26th out of 80 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Share of primary energy from solar in Slovenia, year by year
| Year | % | Change |
|---|---|---|
| 1990 | 0.0% | — |
| 1991 | 0.0% | — |
| 1992 | 0.0% | — |
| 1993 | 0.0% | — |
| 1994 | 0.0% | — |
| 1995 | 0.0% | — |
| 1996 | 0.0% | — |
| 1997 | 0.0% | — |
| 1998 | 0.0% | — |
| 1999 | 0.0% | — |
| 2000 | 0.0% | — |
| 2001 | 0.0% | — |
| 2002 | 0.0% | — |
| 2003 | 0.0% | — |
| 2004 | 0.0% | — |
| 2005 | 0.0% | — |
| 2006 | 0.0% | — |
| 2007 | 0.0% | — |
| 2008 | 0.0% | — |
| 2009 | 0.0% | +342.5% |
| 2010 | 0.0% | +222.5% |
| 2011 | 0.1% | +411.3% |
| 2012 | 0.2% | +157.4% |
| 2013 | 0.3% | +35.8% |
| 2014 | 0.3% | +19.3% |
| 2015 | 0.4% | +13.3% |
| 2016 | 0.4% | -8.0% |
| 2017 | 0.4% | +3.1% |
| 2018 | 0.3% | -10.7% |
| 2019 | 0.4% | +21.8% |
| 2020 | 0.5% | +27.3% |
| 2021 | 0.6% | +24.2% |
| 2022 | 1.0% | +50.7% |
| 2023 | 1.5% | +53.1% |
| 2024 | 1.8% | +21.9% |
| 2025 | 2.2% | +24.8% |
Slovenia compared with similar countries
- Slovenia's 2.2% is above the median for high income countries, which is 1.5%, 1.5× the median. (47 countries reporting)
- Slovenia's 2.2% is above the median for Europe & Central Asia, which is 1.7%, 1.3× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Share of primary energy from solar in Slovenia changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2011 | +411.3% | 0.0% | 0.1% |
| 2009 | +342.5% | 0.0% | 0.0% |
| 2010 | +222.5% | 0.0% | 0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.0% | 0.0% | 0.0% | 10 |
| 2000s | 0.0% | 0.0% | 0.0% | 10 |
| 2010s | 0.3% | 0.0% | 0.4% | 10 |
| 2020s | 1.3% | 0.5% | 2.2% | 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 from solar in Slovenia?
- Share of primary energy from solar in Slovenia was 2.2% 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 from solar recorded in Slovenia?
- The highest recorded value was 2.2% in 2025.
- What is the lowest share of primary energy from solar recorded in Slovenia?
- The lowest recorded value was 0.0% in 1990.
- How does Slovenia rank for share of primary energy from solar?
- Slovenia ranks 26th out of 80 countries with data for 2025.
- Is share of primary energy from solar rising or falling in Slovenia?
- Over the last ten years it is up 472.2%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from solar. 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 as a percentage of total energy supply.