Primary energy from solar and wind in Slovenia
Slovenia: Primary energy from solar and wind was 1.54 terawatt-hours in 2025. ◆ Volatile
Primary energy from solar and wind in Slovenia, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy from solar and wind in Slovenia is 1.54 terawatt-hours, measured in 2025. That is the highest value across all 61 years on record.
The figure is up 21.1% on the previous year and up 451.4% over ten years.
Over the whole period, primary energy from solar and wind in Slovenia peaked at 1.54 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1965.
That places Slovenia 64th out of 111 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.
Primary energy from solar and wind in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0 terawatt-hours | — |
| 1966 | 0 terawatt-hours | — |
| 1967 | 0 terawatt-hours | — |
| 1968 | 0 terawatt-hours | — |
| 1969 | 0 terawatt-hours | — |
| 1970 | 0 terawatt-hours | — |
| 1971 | 0 terawatt-hours | — |
| 1972 | 0 terawatt-hours | — |
| 1973 | 0 terawatt-hours | — |
| 1974 | 0 terawatt-hours | — |
| 1975 | 0 terawatt-hours | — |
| 1976 | 0 terawatt-hours | — |
| 1977 | 0 terawatt-hours | — |
| 1978 | 0 terawatt-hours | — |
| 1979 | 0 terawatt-hours | — |
| 1980 | 0 terawatt-hours | — |
| 1981 | 0 terawatt-hours | — |
| 1982 | 0 terawatt-hours | — |
| 1983 | 0 terawatt-hours | — |
| 1984 | 0 terawatt-hours | — |
| 1985 | 0 terawatt-hours | — |
| 1986 | 0 terawatt-hours | — |
| 1987 | 0 terawatt-hours | — |
| 1988 | 0 terawatt-hours | — |
| 1989 | 0 terawatt-hours | — |
| 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 terawatt-hours | — |
| 2000 | 0 terawatt-hours | — |
| 2001 | 0 terawatt-hours | — |
| 2002 | 0 terawatt-hours | — |
| 2003 | 0 terawatt-hours | — |
| 2004 | 0 terawatt-hours | — |
| 2005 | 0 terawatt-hours | — |
| 2006 | 0 terawatt-hours | — |
| 2007 | 0 terawatt-hours | — |
| 2008 | 0.001 terawatt-hours | — |
| 2009 | 0.004 terawatt-hours | +300.0% |
| 2010 | 0.013 terawatt-hours | +225.0% |
| 2011 | 0.066 terawatt-hours | +407.7% |
| 2012 | 0.163 terawatt-hours | +147.0% |
| 2013 | 0.219 terawatt-hours | +34.4% |
| 2014 | 0.261 terawatt-hours | +19.2% |
| 2015 | 0.28 terawatt-hours | +7.3% |
| 2016 | 0.273 terawatt-hours | -2.5% |
| 2017 | 0.2896 terawatt-hours | +6.1% |
| 2018 | 0.261 terawatt-hours | -9.9% |
| 2019 | 0.3092 terawatt-hours | +18.5% |
| 2020 | 0.3744 terawatt-hours | +21.1% |
| 2021 | 0.4587 terawatt-hours | +22.5% |
| 2022 | 0.6513 terawatt-hours | +42.0% |
| 2023 | 0.9907 terawatt-hours | +52.1% |
| 2024 | 1.27 terawatt-hours | +28.7% |
| 2025 | 1.54 terawatt-hours | +21.1% |
Slovenia compared with similar countries
- Slovenia's 1.54 terawatt-hours is below the median for high income countries, which is 10.96 terawatt-hours, 14% of the median. (52 countries reporting)
- Slovenia's 1.54 terawatt-hours is below the median for Europe & Central Asia, which is 9.37 terawatt-hours, 16% of the median. (40 countries reporting)
Biggest year-on-year movements
Years where Primary energy from solar and wind 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 | +407.7% | 0.013 terawatt-hours | 0.066 terawatt-hours |
| 2009 | +300.0% | 0.001 terawatt-hours | 0.004 terawatt-hours |
| 2010 | +225.0% | 0.004 terawatt-hours | 0.013 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 5 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0.0005 terawatt-hours | 0 terawatt-hours | 0.004 terawatt-hours | 10 |
| 2010s | 0.2135 terawatt-hours | 0.013 terawatt-hours | 0.3092 terawatt-hours | 10 |
| 2020s | 0.8823 terawatt-hours | 0.3744 terawatt-hours | 1.54 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 primary energy from solar and wind in Slovenia?
- Primary energy from solar and wind in Slovenia was 1.54 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 primary energy from solar and wind recorded in Slovenia?
- The highest recorded value was 1.54 terawatt-hours in 2025.
- What is the lowest primary energy from solar and wind recorded in Slovenia?
- The lowest recorded value was 0 terawatt-hours in 1965.
- How does Slovenia rank for primary energy from solar and wind?
- Slovenia ranks 64th out of 111 countries with data for 2025.
- Is primary energy from solar and wind rising or falling in Slovenia?
- Over the last ten years it is up 451.4%. 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 Primary energy from solar and wind. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.