Primary energy from low-carbon energy in Slovenia

Slovenia: Primary energy from low-carbon energy was 25.36 terawatt-hours in 2025. ▲ Rising

Latest (2025)
25.36 terawatt-hours
Change on year
down 2.9%
World rank
54th
of 77 countries
All-time high
26.93 terawatt-hours
in 2014
All-time low
15.02 terawatt-hours
in 1993
Years of data
36
1990–2025

Primary energy from low-carbon energy in Slovenia, 1990–2025

01020301990200720251990: 17 terawatt-hours1991: 18.6 terawatt-hours1992: 15.5 terawatt-hours1993: 15 terawatt-hours1994: 17.4 terawatt-hours1995: 17.7 terawatt-hours1996: 17.5 terawatt-hours1997: 18.3 terawatt-hours1998: 18.7 terawatt-hours1999: 18.1 terawatt-hours2000: 18.5 terawatt-hours2001: 19.9 terawatt-hours2002: 20.4 terawatt-hours2003: 19.1 terawatt-hours2004: 21 terawatt-hours2005: 21.6 terawatt-hours2006: 20.8 terawatt-hours2007: 21 terawatt-hours2008: 24.2 terawatt-hours2009: 23 terawatt-hours2010: 22.9 terawatt-hours2011: 23.6 terawatt-hours2012: 22.2 terawatt-hours2013: 22.4 terawatt-hours2014: 26.9 terawatt-hours2015: 22.3 terawatt-hours2016: 23.2 terawatt-hours2017: 24.4 terawatt-hours2018: 24.1 terawatt-hours2019: 24.3 terawatt-hours2020: 26.5 terawatt-hours2021: 24.5 terawatt-hours2022: 22.5 terawatt-hours2023: 25 terawatt-hours2024: 26.1 terawatt-hours2025: 25.4 terawatt-hours

Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

Slovenia recorded 25.36 terawatt-hours for primary energy from low-carbon energy in 2025.

That represents a change of down 2.9% on the previous year and up 13.5% over ten years.

Over the whole period, primary energy from low-carbon energy in Slovenia peaked at 26.93 terawatt-hours in 2014 and was at its lowest, 15.02 terawatt-hours, in 1993.

That places Slovenia 54th out of 77 countries with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently rising across the 36 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1990s 17.37 terawatt-hours 15.02 terawatt-hours 18.66 terawatt-hours 10
2000s 20.95 terawatt-hours 18.47 terawatt-hours 24.2 terawatt-hours 10
2010s 23.64 terawatt-hours 22.22 terawatt-hours 26.93 terawatt-hours 10
2020s 25 terawatt-hours 22.52 terawatt-hours 26.48 terawatt-hours 6

Countries ranked near Slovenia

  1. 51 Iran 31.77 terawatt-hours compare
  2. 52 Ecuador 29.99 terawatt-hours compare
  3. 53 Greece 29.56 terawatt-hours compare
  4. 55 Saudi Arabia 19.77 terawatt-hours compare
  5. 56 Kazakhstan 17.61 terawatt-hours compare
  6. 57 Uzbekistan 16.81 terawatt-hours compare

See the full ranking of 82 places →

More climate change data for Slovenia

All data for Slovenia →

Frequently asked questions

What is primary energy from low-carbon energy in Slovenia?
Primary energy from low-carbon energy in Slovenia was 25.36 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 low-carbon energy recorded in Slovenia?
The highest recorded value was 26.93 terawatt-hours in 2014.
What is the lowest primary energy from low-carbon energy recorded in Slovenia?
The lowest recorded value was 15.02 terawatt-hours in 1993.
How does Slovenia rank for primary energy from low-carbon energy?
Slovenia ranks 54th out of 77 countries with data for 2025.
Is primary energy from low-carbon energy rising or falling in Slovenia?
Over the last ten years it is up 13.5%. The long-run trend across the full record is rising.
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 low-carbon energy. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 36 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Primary energy from low-carbon energy
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,686 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.