Primary energy from nuclear in Slovenia
Slovenia: Primary energy from nuclear was 17.68 terawatt-hours in 2025. ▲ Rising
Latest (2025)
17.68 terawatt-hours
Change on year
down 0.0%
World rank
29th
of 219 countries
All-time high
19.3 terawatt-hours
in 2014
All-time low
11.99 terawatt-hours
in 1993
Years of data
36
1990–2025
Primary energy from nuclear in Slovenia, 1990–2025
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 17.68 terawatt-hours for primary energy from nuclear in 2025.
The figure is up 3.3% over ten years.
Over the whole period, primary energy from nuclear in Slovenia peaked at 19.3 terawatt-hours in 2014 and was at its lowest, 11.99 terawatt-hours, in 1993.
That places Slovenia 29th out of 219 countries with data for 2025, putting it in the top quarter.
The long-run direction has been consistently rising across the 36 years of available data.
Primary energy from nuclear in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1990 | 14.01 terawatt-hours | — |
| 1991 | 15.01 terawatt-hours | +7.1% |
| 1992 | 12.03 terawatt-hours | -19.8% |
| 1993 | 11.99 terawatt-hours | -0.4% |
| 1994 | 13.97 terawatt-hours | +16.5% |
| 1995 | 14.48 terawatt-hours | +3.7% |
| 1996 | 13.82 terawatt-hours | -4.5% |
| 1997 | 15.21 terawatt-hours | +10.0% |
| 1998 | 15.21 terawatt-hours | +0.0% |
| 1999 | 14.23 terawatt-hours | -6.4% |
| 2000 | 14.43 terawatt-hours | +1.4% |
| 2001 | 15.93 terawatt-hours | +10.4% |
| 2002 | 16.75 terawatt-hours | +5.2% |
| 2003 | 15.78 terawatt-hours | -5.8% |
| 2004 | 16.54 terawatt-hours | +4.8% |
| 2005 | 17.83 terawatt-hours | +7.8% |
| 2006 | 16.81 terawatt-hours | -5.7% |
| 2007 | 17.26 terawatt-hours | +2.6% |
| 2008 | 19.01 terawatt-hours | +10.1% |
| 2009 | 17.39 terawatt-hours | -8.5% |
| 2010 | 17.14 terawatt-hours | -1.4% |
| 2011 | 18.83 terawatt-hours | +9.9% |
| 2012 | 16.75 terawatt-hours | -11.1% |
| 2013 | 16.06 terawatt-hours | -4.1% |
| 2014 | 19.3 terawatt-hours | +20.2% |
| 2015 | 17.12 terawatt-hours | -11.3% |
| 2016 | 17.32 terawatt-hours | +1.2% |
| 2017 | 19.05 terawatt-hours | +10.0% |
| 2018 | 17.5 terawatt-hours | -8.1% |
| 2019 | 17.64 terawatt-hours | +0.8% |
| 2020 | 19.25 terawatt-hours | +9.1% |
| 2021 | 17.29 terawatt-hours | -10.2% |
| 2022 | 16.99 terawatt-hours | -1.8% |
| 2023 | 16.98 terawatt-hours | -0.0% |
| 2024 | 17.68 terawatt-hours | +4.2% |
| 2025 | 17.68 terawatt-hours | -0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 14 terawatt-hours | 11.99 terawatt-hours | 15.21 terawatt-hours | 10 |
| 2000s | 16.77 terawatt-hours | 14.43 terawatt-hours | 19.01 terawatt-hours | 10 |
| 2010s | 17.67 terawatt-hours | 16.06 terawatt-hours | 19.3 terawatt-hours | 10 |
| 2020s | 17.65 terawatt-hours | 16.98 terawatt-hours | 19.25 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 primary energy from nuclear in Slovenia?
- Primary energy from nuclear in Slovenia was 17.68 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 nuclear recorded in Slovenia?
- The highest recorded value was 19.3 terawatt-hours in 2014.
- What is the lowest primary energy from nuclear recorded in Slovenia?
- The lowest recorded value was 11.99 terawatt-hours in 1993.
- How does Slovenia rank for primary energy from nuclear?
- Slovenia ranks 29th out of 219 countries with data for 2025.
- Is primary energy from nuclear rising or falling in Slovenia?
- Over the last ten years it is up 3.3%. 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 nuclear. 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
Measured in terawatt-hours of total energy supply.