Primary energy use in Slovenia
Slovenia: Primary energy use was 68.89 terawatt-hours in 2025. ▲ Rising
Latest (2025)
68.89 terawatt-hours
Change on year
down 2.9%
World rank
101st
of 219 countries
All-time high
88.43 terawatt-hours
in 2008
All-time low
59.3 terawatt-hours
in 1992
Years of data
36
1990–2025
Primary energy use in Slovenia, 1990–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy use in Slovenia is 68.89 terawatt-hours, measured in 2025.
The figure is down 2.9% on the previous year and down 2.0% over ten years.
Over the whole period, primary energy use in Slovenia peaked at 88.43 terawatt-hours in 2008 and was at its lowest, 59.3 terawatt-hours, in 1992.
That places Slovenia 101st out of 219 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.
Primary energy use in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1990 | 64.81 terawatt-hours | — |
| 1991 | 63.78 terawatt-hours | -1.6% |
| 1992 | 59.3 terawatt-hours | -7.0% |
| 1993 | 61.72 terawatt-hours | +4.1% |
| 1994 | 65.33 terawatt-hours | +5.9% |
| 1995 | 69.64 terawatt-hours | +6.6% |
| 1996 | 73.18 terawatt-hours | +5.1% |
| 1997 | 75.74 terawatt-hours | +3.5% |
| 1998 | 74.42 terawatt-hours | -1.7% |
| 1999 | 73.06 terawatt-hours | -1.8% |
| 2000 | 72.19 terawatt-hours | -1.2% |
| 2001 | 75.97 terawatt-hours | +5.2% |
| 2002 | 76.69 terawatt-hours | +0.9% |
| 2003 | 75.89 terawatt-hours | -1.1% |
| 2004 | 78.87 terawatt-hours | +3.9% |
| 2005 | 80.5 terawatt-hours | +2.1% |
| 2006 | 80.85 terawatt-hours | +0.4% |
| 2007 | 81.2 terawatt-hours | +0.4% |
| 2008 | 88.43 terawatt-hours | +8.9% |
| 2009 | 79.93 terawatt-hours | -9.6% |
| 2010 | 80.56 terawatt-hours | +0.8% |
| 2011 | 80 terawatt-hours | -0.7% |
| 2012 | 76.75 terawatt-hours | -4.1% |
| 2013 | 74.57 terawatt-hours | -2.8% |
| 2014 | 74.7 terawatt-hours | +0.2% |
| 2015 | 70.27 terawatt-hours | -5.9% |
| 2016 | 74.44 terawatt-hours | +5.9% |
| 2017 | 76.76 terawatt-hours | +3.1% |
| 2018 | 77.25 terawatt-hours | +0.6% |
| 2019 | 75.38 terawatt-hours | -2.4% |
| 2020 | 71.96 terawatt-hours | -4.5% |
| 2021 | 71.28 terawatt-hours | -0.9% |
| 2022 | 67.41 terawatt-hours | -5.4% |
| 2023 | 67.12 terawatt-hours | -0.4% |
| 2024 | 70.92 terawatt-hours | +5.7% |
| 2025 | 68.89 terawatt-hours | -2.9% |
Slovenia compared with similar countries
- Slovenia's 68.89 terawatt-hours is below the median for high income countries, which is 158.21 terawatt-hours, 44% of the median. (75 countries reporting)
- Slovenia's 68.89 terawatt-hours is below the median for Europe & Central Asia, which is 208.03 terawatt-hours, 33% of the median. (50 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 68.1 terawatt-hours | 59.3 terawatt-hours | 75.74 terawatt-hours | 10 |
| 2000s | 79.05 terawatt-hours | 72.19 terawatt-hours | 88.43 terawatt-hours | 10 |
| 2010s | 76.07 terawatt-hours | 70.27 terawatt-hours | 80.56 terawatt-hours | 10 |
| 2020s | 69.6 terawatt-hours | 67.12 terawatt-hours | 71.96 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 use in Slovenia?
- Primary energy use in Slovenia was 68.89 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest primary energy use recorded in Slovenia?
- The highest recorded value was 88.43 terawatt-hours in 2008.
- What is the lowest primary energy use recorded in Slovenia?
- The lowest recorded value was 59.3 terawatt-hours in 1992.
- How does Slovenia rank for primary energy use?
- Slovenia ranks 101st out of 219 countries with data for 2025.
- Is primary energy use rising or falling in Slovenia?
- Over the last ten years it is down 2.0%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Primary energy use. 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.