Annual change in primary energy from solar in Slovenia
Slovenia: Annual change in primary energy from solar was 0.2688 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
0.2688 terawatt-hours
Change on year
down 5.3%
World rank
58th
of 80 countries
All-time high
0.3388 terawatt-hours
in 2023
All-time low
-0.0289 terawatt-hours
in 2018
Years of data
35
1991–2025
Annual change in primary energy from solar in Slovenia, 1991–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Slovenia recorded 0.2688 terawatt-hours for annual change in primary energy from solar in 2025.
Compared with earlier readings it is down 5.3% on the previous year and up 1,481.5% over ten years.
Over the whole period, annual change in primary energy from solar in Slovenia peaked at 0.3388 terawatt-hours in 2023 and was at its lowest, -0.0289 terawatt-hours, in 2018.
Slovenia ranks 58th 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.
Annual change in primary energy from solar in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 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 | 0.003 terawatt-hours | +200.0% |
| 2010 | 0.009 terawatt-hours | +200.0% |
| 2011 | 0.053 terawatt-hours | +488.9% |
| 2012 | 0.097 terawatt-hours | +83.0% |
| 2013 | 0.052 terawatt-hours | -46.4% |
| 2014 | 0.042 terawatt-hours | -19.2% |
| 2015 | 0.017 terawatt-hours | -59.5% |
| 2016 | -0.007 terawatt-hours | -141.2% |
| 2017 | 0.0169 terawatt-hours | -341.0% |
| 2018 | -0.0289 terawatt-hours | -271.4% |
| 2019 | 0.0481 terawatt-hours | -266.3% |
| 2020 | 0.0652 terawatt-hours | +35.5% |
| 2021 | 0.0849 terawatt-hours | +30.3% |
| 2022 | 0.1925 terawatt-hours | +126.7% |
| 2023 | 0.3388 terawatt-hours | +76.0% |
| 2024 | 0.2838 terawatt-hours | -16.2% |
| 2025 | 0.2688 terawatt-hours | -5.3% |
Slovenia compared with similar countries
- Slovenia's 0.2688 terawatt-hours is below the median for high income countries, which is 1.11 terawatt-hours, 24% of the median. (47 countries reporting)
- Slovenia's 0.2688 terawatt-hours is below the median for Europe & Central Asia, which is 0.5816 terawatt-hours, 46% of the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 9 |
| 2000s | 0.0004 terawatt-hours | 0 terawatt-hours | 0.003 terawatt-hours | 10 |
| 2010s | 0.0299 terawatt-hours | -0.0289 terawatt-hours | 0.097 terawatt-hours | 10 |
| 2020s | 0.2057 terawatt-hours | 0.0652 terawatt-hours | 0.3388 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 annual change in primary energy from solar in Slovenia?
- Annual change in primary energy from solar in Slovenia was 0.2688 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy from solar recorded in Slovenia?
- The highest recorded value was 0.3388 terawatt-hours in 2023.
- What is the lowest annual change in primary energy from solar recorded in Slovenia?
- The lowest recorded value was -0.0289 terawatt-hours in 2018.
- How does Slovenia rank for annual change in primary energy from solar?
- Slovenia ranks 58th out of 80 countries with data for 2025.
- Is annual change in primary energy from solar rising or falling in Slovenia?
- Over the last ten years it is up 1,481.5%. 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) – with major processing by Our World in Data, published as part of Annual change in primary energy from solar. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 35 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.