Installed solar energy capacity in Slovenia

Slovenia: Installed solar energy capacity was 1.31 gigawatts in 2024. β—† Volatile

Latest (2024)
1.31 gigawatts
Change on year
up 27.0%
World rank
54th
of 218 countries
All-time high
1.31 gigawatts
in 2024
All-time low
0 gigawatts
in 2002
Years of data
23
2002–2024

Installed solar energy capacity in Slovenia, 2002–2024

00.511.52002201320242002: 0 gigawatts2003: 0 gigawatts2004: 0 gigawatts2005: 0 gigawatts2006: 0 gigawatts2007: 0.001 gigawatts2008: 0.001 gigawatts2009: 0.004 gigawatts2010: 0.012 gigawatts2011: 0.057 gigawatts2012: 0.142 gigawatts2013: 0.187 gigawatts2014: 0.224 gigawatts2015: 0.239 gigawatts2016: 0.232 gigawatts2017: 0.247 gigawatts2018: 0.247 gigawatts2019: 0.278 gigawatts2020: 0.37 gigawatts2021: 0.461 gigawatts2022: 0.626 gigawatts2023: 1 gigawatts2024: 1.3 gigawatts

Source: IRENA (2025) – processed by Our World in Data. Measured in gigawatts.

Analysis

The most recent figure for installed solar energy capacity in Slovenia is 1.31 gigawatts, measured in 2024. That is the highest value across all 23 years on record.

The figure is up 27.0% on the previous year and up 484.5% over ten years.

Over the whole period, installed solar energy capacity in Slovenia peaked at 1.31 gigawatts in 2024 and was at its lowest, 0 gigawatts, in 2002.

Slovenia ranks 54th of 218 countries on this measure, in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
2000s 0.0007 gigawatts 0 gigawatts 0.004 gigawatts 8
2010s 0.1864 gigawatts 0.012 gigawatts 0.2779 gigawatts 10
2020s 0.7595 gigawatts 0.3698 gigawatts 1.31 gigawatts 5

Countries ranked near Slovenia

  1. 51 Colombia 1.39 gigawatts compare
  2. 52 Ireland 1.34 gigawatts compare
  3. 53 Estonia 1.33 gigawatts compare
  4. 55 Kazakhstan 1.22 gigawatts compare
  5. 56 Finland 1.2 gigawatts compare
  6. 57 Lebanon 1.08 gigawatts compare

See the full ranking of 218 places β†’

More energy & mining data for Slovenia

All data for Slovenia β†’

Frequently asked questions

What is installed solar energy capacity in Slovenia?
Installed solar energy capacity in Slovenia was 1.31 gigawatts in 2024, according to IRENA (2025) – processed by Our World in Data.
What is the highest installed solar energy capacity recorded in Slovenia?
The highest recorded value was 1.31 gigawatts in 2024.
What is the lowest installed solar energy capacity recorded in Slovenia?
The lowest recorded value was 0 gigawatts in 2002.
How does Slovenia rank for installed solar energy capacity?
Slovenia ranks 54th out of 218 countries with data for 2024.
Is installed solar energy capacity rising or falling in Slovenia?
Over the last ten years it is up 484.5%. The long-run trend across the full record is volatile.
Where does this Slovenia data come from?
The figures come from IRENA (2025) – processed by Our World in Data, published as part of Installed solar energy capacity. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 23 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Installed solar energy capacity
Unit
gigawatts
Source
IRENA (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
218 places, 3,927 data points, 2000–2024
Last refreshed

Total solar (on- and off-grid) electricity installed capacity, measured in gigawatts. This includes solar photovoltaic and concentrated solar power.