Slovenia Solar Power: Generation, Share and Trend
Slovenia generated 1.50 TWh of electricity from solar in 2025, 10.1% of its total, according to Ember. That made it the 63rd largest solar power producer in 2025 of the 181 countries with Ember data, comparing each country's latest year. Solar supplied 8.8% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through October 2026; they are compiled from national sources and are not real time.
Key Facts
- Slovenia generated 1.50 TWh of electricity from solar in 2025.
- Solar supplied 10.1% of Slovenia's electricity in 2025.
- Slovenia was the 63rd largest solar power producer in 2025 among the 181 countries with Ember data, comparing each country's latest year.
- Slovenia's solar generation in 2025 was 305% higher than in 2020, when it was 370 GWh.
- Slovenia's solar generation in 2025 was 456% higher than in 2015, when it was 270 GWh.
- 2025 was Slovenia's highest year for solar generation in Ember's records, which start in 1990.
- Slovenia's solar share in 2025 was above the world share of 8.8%.
- Slovenia had 1.57 GW of solar generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Solar generation | 1.50 TWh | 2025 · Ember |
| Share of Slovenia's electricity | 10.1% | 2025 · Ember |
| World share of solar | 8.8% | 2025 · Ember |
| Rank by solar generation (each country's latest year) | 63 of 181 | 2025 · Ember |
| Solar capacity | 1.57 GW | 2025 · Ember |
Solar Generation Year by Year
Ember annual statistics, 1990 to 2025| Year | Solar |
|---|---|
| 1990 | 0 TWh |
| 1991 | 0 TWh |
| 1992 | 0 TWh |
| 1993 | 0 TWh |
| 1994 | 0 TWh |
| 1995 | 0 TWh |
| 1996 | 0 TWh |
| 1997 | 0 TWh |
| 1998 | 0 TWh |
| 1999 | 0 TWh |
| 2000 | 0 TWh |
| 2001 | 0 TWh |
| 2002 | 0 TWh |
| 2003 | 0 TWh |
| 2004 | 0 TWh |
| 2005 | 0 TWh |
| 2006 | 0 TWh |
| 2007 | 0 TWh |
| 2008 | 0 TWh |
| 2009 | 0 TWh |
| 2010 | 10.0 GWh |
| 2011 | 70.0 GWh |
| 2012 | 160 GWh |
| 2013 | 220 GWh |
| 2014 | 260 GWh |
| 2015 | 270 GWh |
| 2016 | 270 GWh |
| 2017 | 280 GWh |
| 2018 | 250 GWh |
| 2019 | 300 GWh |
| 2020 | 370 GWh |
| 2021 | 450 GWh |
| 2022 | 650 GWh |
| 2023 | 980 GWh |
| 2024 | 1.27 TWh |
| 2025 | 1.50 TWh |
| Year | Slovenia | World |
|---|---|---|
| 1990 | 0.0% | n/a |
| 1991 | 0.0% | n/a |
| 1992 | 0.0% | n/a |
| 1993 | 0.0% | n/a |
| 1994 | 0.0% | n/a |
| 1995 | 0.0% | n/a |
| 1996 | 0.0% | n/a |
| 1997 | 0.0% | n/a |
| 1998 | 0.0% | n/a |
| 1999 | 0.0% | n/a |
| 2000 | 0.0% | 0.0% |
| 2001 | 0.0% | 0.0% |
| 2002 | 0.0% | 0.0% |
| 2003 | 0.0% | 0.0% |
| 2004 | 0.0% | 0.0% |
| 2005 | 0.0% | 0.0% |
| 2006 | 0.0% | 0.0% |
| 2007 | 0.0% | 0.0% |
| 2008 | 0.0% | 0.1% |
| 2009 | 0.0% | 0.1% |
| 2010 | 0.1% | 0.2% |
| 2011 | 0.4% | 0.3% |
| 2012 | 1.0% | 0.4% |
| 2013 | 1.4% | 0.6% |
| 2014 | 1.5% | 0.8% |
| 2015 | 1.8% | 1.1% |
| 2016 | 1.7% | 1.3% |
| 2017 | 1.7% | 1.8% |
| 2018 | 1.6% | 2.2% |
| 2019 | 1.9% | 2.6% |
| 2020 | 2.2% | 3.2% |
| 2021 | 2.9% | 3.7% |
| 2022 | 4.9% | 4.6% |
| 2023 | 6.3% | 5.6% |
| 2024 | 7.6% | 7.0% |
| 2025 | 10.1% | 8.8% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 1.50 TWh | 10.1% | 8.8% | 1.57 GW |
| 2024 | 1.27 TWh | 7.6% | 7.0% | 1.42 GW |
| 2023 | 980 GWh | 6.3% | 5.6% | 1.03 GW |
| 2022 | 650 GWh | 4.9% | 4.6% | 630 MW |
| 2021 | 450 GWh | 2.9% | 3.7% | 460 MW |
| 2020 | 370 GWh | 2.2% | 3.2% | 370 MW |
| 2019 | 300 GWh | 1.9% | 2.6% | 280 MW |
| 2018 | 250 GWh | 1.6% | 2.2% | 250 MW |
| 2017 | 280 GWh | 1.7% | 1.8% | 250 MW |
| 2016 | 270 GWh | 1.7% | 1.3% | 230 MW |
Full year by year history for Slovenia
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.
Solar Generation Month by Month
Ember monthly statistics through October 2026| Month | Solar |
|---|---|
| 2024-11 | 40.0 GWh |
| 2024-12 | 30.0 GWh |
| 2025-01 | 30.0 GWh |
| 2025-02 | 40.0 GWh |
| 2025-03 | 100 GWh |
| 2025-04 | 140 GWh |
| 2025-05 | 170 GWh |
| 2025-06 | 220 GWh |
| 2025-07 | 180 GWh |
| 2025-08 | 120 GWh |
| 2025-09 | 140 GWh |
| 2025-10 | 110 GWh |
| 2025-11 | 60.0 GWh |
| 2025-12 | 40.0 GWh |
| 2026-01 | 30.0 GWh |
| 2026-02 | 60.0 GWh |
| 2026-03 | 140 GWh |
| 2026-04 | 170 GWh |
| 2026-05 | 210 GWh |
| 2026-06 | 230 GWh |
| 2026-07 | 250 GWh |
| 2026-08 | 230 GWh |
| 2026-09 | 180 GWh |
| 2026-10 | 120 GWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of October 2026. Monthly figures for Slovenia can differ slightly from the annual totals.
Related
Cite this page
World Power Monitor. (2026). Slovenia Solar Power: Generation, Share and Trend. https://worldpowermonitor.com/countries/slovenia/solar/
World Power Monitor. Slovenia Solar Power: Generation, Share and Trend. Data as of 2026-10. Data from Ember. https://worldpowermonitor.com/countries/slovenia/solar/
@misc{wpm_countries_slovenia_solar_2026,
title = {{Slovenia Solar Power: Generation, Share and Trend}},
author = {{World Power Monitor}},
year = {2026},
note = {Data as of 2026-10. Data from Ember.},
url = {https://worldpowermonitor.com/countries/slovenia/solar/}
} Permalink: https://worldpowermonitor.com/countries/slovenia/solar/
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