Renewable energy in Slovenia
Slovenia: Renewable energy was 1.02 terawatt-hours in 2025. ◆ Volatile
Renewable energy in Slovenia, 1990–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Slovenia recorded 1.02 terawatt-hours for renewable energy in 2025. That is the highest value across all 36 years on record.
That represents a change of up 29.0% on the previous year and up 26.1% over ten years.
Over the whole period, renewable energy in Slovenia peaked at 1.02 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1990.
Slovenia ranks 55th of 80 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Renewable energy in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1990 | 0 terawatt-hours | — |
| 1991 | 0 terawatt-hours | — |
| 1992 | 0 terawatt-hours | — |
| 1993 | 0 terawatt-hours | — |
| 1994 | 0 terawatt-hours | — |
| 1995 | 0 terawatt-hours | — |
| 1996 | 0 terawatt-hours | — |
| 1997 | 0 terawatt-hours | — |
| 1998 | 0 terawatt-hours | — |
| 1999 | 0.0939 terawatt-hours | — |
| 2000 | 0.2121 terawatt-hours | +125.8% |
| 2001 | 0.2182 terawatt-hours | +2.9% |
| 2002 | 0.3091 terawatt-hours | +41.7% |
| 2003 | 0.3697 terawatt-hours | +19.6% |
| 2004 | 0.3667 terawatt-hours | -0.8% |
| 2005 | 0.3333 terawatt-hours | -9.1% |
| 2006 | 0.3 terawatt-hours | -10.0% |
| 2007 | 0.3152 terawatt-hours | +5.1% |
| 2008 | 0.8818 terawatt-hours | +179.8% |
| 2009 | 0.5848 terawatt-hours | -33.7% |
| 2010 | 0.6697 terawatt-hours | +14.5% |
| 2011 | 0.7636 terawatt-hours | +14.0% |
| 2012 | 0.8091 terawatt-hours | +6.0% |
| 2013 | 0.7909 terawatt-hours | -2.2% |
| 2014 | 0.7848 terawatt-hours | -0.8% |
| 2015 | 0.8091 terawatt-hours | +3.1% |
| 2016 | 0.8576 terawatt-hours | +6.0% |
| 2017 | 0.8906 terawatt-hours | +3.8% |
| 2018 | 0.8264 terawatt-hours | -7.2% |
| 2019 | 0.7764 terawatt-hours | -6.1% |
| 2020 | 0.8405 terawatt-hours | +8.3% |
| 2021 | 0.85 terawatt-hours | +1.1% |
| 2022 | 0.8252 terawatt-hours | -2.9% |
| 2023 | 0.9074 terawatt-hours | +10.0% |
| 2024 | 0.7913 terawatt-hours | -12.8% |
| 2025 | 1.02 terawatt-hours | +29.0% |
Slovenia compared with similar countries
- Slovenia's 1.02 terawatt-hours is below the median for high income countries, which is 6.88 terawatt-hours, 15% of the median. (47 countries reporting)
- Slovenia's 1.02 terawatt-hours is below the median for Europe & Central Asia, which is 5.43 terawatt-hours, 19% of the median. (39 countries reporting)
Biggest year-on-year movements
Years where Renewable energy 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 |
|---|---|---|---|
| 2008 | +179.8% | 0.3152 terawatt-hours | 0.8818 terawatt-hours |
| 2000 | +125.8% | 0.0939 terawatt-hours | 0.2121 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.0094 terawatt-hours | 0 terawatt-hours | 0.0939 terawatt-hours | 10 |
| 2000s | 0.3891 terawatt-hours | 0.2121 terawatt-hours | 0.8818 terawatt-hours | 10 |
| 2010s | 0.7978 terawatt-hours | 0.6697 terawatt-hours | 0.8906 terawatt-hours | 10 |
| 2020s | 0.8725 terawatt-hours | 0.7913 terawatt-hours | 1.02 terawatt-hours | 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 renewable energy in Slovenia?
- Renewable energy in Slovenia was 1.02 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest renewable energy recorded in Slovenia?
- The highest recorded value was 1.02 terawatt-hours in 2025.
- What is the lowest renewable energy recorded in Slovenia?
- The lowest recorded value was 0 terawatt-hours in 1990.
- How does Slovenia rank for renewable energy?
- Slovenia ranks 55th out of 80 countries with data for 2025.
- Is renewable energy rising or falling in Slovenia?
- Over the last ten years it is up 26.1%. 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) – with major processing by Our World in Data, published as part of Renewable energy. 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.