Solar (photovoltaic) panels cumulative capacity in Slovenia
Slovenia: Solar (photovoltaic) panels cumulative capacity was 1.57 gigawatts in 2025. ◆ Volatile
Solar (photovoltaic) panels cumulative capacity in Slovenia, 2000–2025
Source: IRENA (2026) – processed by Our World in Data. Measured in gigawatts.
Analysis
The most recent figure for solar (photovoltaic) panels cumulative capacity in Slovenia is 1.57 gigawatts, measured in 2025. That is the highest value across all 26 years on record.
That represents a change of up 10.4% on the previous year and up 559.0% over ten years.
Over the whole period, solar (photovoltaic) panels cumulative capacity in Slovenia peaked at 1.57 gigawatts in 2025 and was at its lowest, 0.001 gigawatts, in 2000.
That places Slovenia 54th out of 199 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.
Solar (photovoltaic) panels cumulative capacity in Slovenia, year by year
| Year | gigawatts | Change |
|---|---|---|
| 2000 | 0.001 gigawatts | — |
| 2001 | 0.001 gigawatts | +0.0% |
| 2002 | 0.001 gigawatts | +0.0% |
| 2003 | 0.001 gigawatts | +0.0% |
| 2004 | 0.001 gigawatts | +0.0% |
| 2005 | 0.001 gigawatts | +0.0% |
| 2006 | 0.001 gigawatts | +0.0% |
| 2007 | 0.001 gigawatts | +0.0% |
| 2008 | 0.001 gigawatts | +0.0% |
| 2009 | 0.004 gigawatts | +300.0% |
| 2010 | 0.012 gigawatts | +200.0% |
| 2011 | 0.057 gigawatts | +375.0% |
| 2012 | 0.142 gigawatts | +149.1% |
| 2013 | 0.187 gigawatts | +31.7% |
| 2014 | 0.223 gigawatts | +19.3% |
| 2015 | 0.238 gigawatts | +6.7% |
| 2016 | 0.233 gigawatts | -2.1% |
| 2017 | 0.2468 gigawatts | +5.9% |
| 2018 | 0.2468 gigawatts | +0.0% |
| 2019 | 0.2779 gigawatts | +12.6% |
| 2020 | 0.3698 gigawatts | +33.1% |
| 2021 | 0.4612 gigawatts | +24.7% |
| 2022 | 0.6262 gigawatts | +35.8% |
| 2023 | 1.03 gigawatts | +64.7% |
| 2024 | 1.42 gigawatts | +37.8% |
| 2025 | 1.57 gigawatts | +10.4% |
Slovenia compared with similar countries
- Slovenia's 1.57 gigawatts is above the median for high income countries, which is 1.17 gigawatts, 1.3× the median. (74 countries reporting)
- Slovenia's 1.57 gigawatts is below the median for Europe & Central Asia, which is 2.33 gigawatts, 67% of the median. (47 countries reporting)
Biggest year-on-year movements
Years where Solar (photovoltaic) panels cumulative capacity 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 | +375.0% | 0.012 gigawatts | 0.057 gigawatts |
| 2009 | +300.0% | 0.001 gigawatts | 0.004 gigawatts |
| 2010 | +200.0% | 0.004 gigawatts | 0.012 gigawatts |
| 2012 | +149.1% | 0.057 gigawatts | 0.142 gigawatts |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.0013 gigawatts | 0.001 gigawatts | 0.004 gigawatts | 10 |
| 2010s | 0.1863 gigawatts | 0.012 gigawatts | 0.2779 gigawatts | 10 |
| 2020s | 0.913 gigawatts | 0.3698 gigawatts | 1.57 gigawatts | 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 solar (photovoltaic) panels cumulative capacity in Slovenia?
- Solar (photovoltaic) panels cumulative capacity in Slovenia was 1.57 gigawatts in 2025, according to IRENA (2026) – processed by Our World in Data.
- What is the highest solar (photovoltaic) panels cumulative capacity recorded in Slovenia?
- The highest recorded value was 1.57 gigawatts in 2025.
- What is the lowest solar (photovoltaic) panels cumulative capacity recorded in Slovenia?
- The lowest recorded value was 0.001 gigawatts in 2000.
- How does Slovenia rank for solar (photovoltaic) panels cumulative capacity?
- Slovenia ranks 54th out of 199 countries with data for 2025.
- Is solar (photovoltaic) panels cumulative capacity rising or falling in Slovenia?
- Over the last ten years it is up 559.0%. The long-run trend across the full record is volatile.
- Where does this Slovenia data come from?
- The figures come from IRENA (2026) – processed by Our World in Data, published as part of Solar (photovoltaic) panels cumulative capacity. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 26 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Solar photovoltaic (on-grid) electricity installed capacity, measured in gigawatts.