Annual change in primary energy use in Slovenia
Slovenia: Annual change in primary energy use was -2.04 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy use in Slovenia, 1991–2025
Source: Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, annual change in primary energy use in Slovenia stood at -2.04 terawatt-hours.
That represents a change of down 153.6% on the previous year and up 54.0% over ten years.
Over the whole period, annual change in primary energy use in Slovenia peaked at 7.23 terawatt-hours in 2008 and was at its lowest, -8.5 terawatt-hours, in 2009.
That places Slovenia 184th out of 219 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy use in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1991 | -1.03 terawatt-hours | — |
| 1992 | -4.47 terawatt-hours | +333.1% |
| 1993 | 2.41 terawatt-hours | -153.9% |
| 1994 | 3.61 terawatt-hours | +49.9% |
| 1995 | 4.31 terawatt-hours | +19.2% |
| 1996 | 3.54 terawatt-hours | -17.8% |
| 1997 | 2.56 terawatt-hours | -27.6% |
| 1998 | -1.32 terawatt-hours | -151.5% |
| 1999 | -1.36 terawatt-hours | +3.2% |
| 2000 | -0.865 terawatt-hours | -36.5% |
| 2001 | 3.78 terawatt-hours | -536.8% |
| 2002 | 0.7216 terawatt-hours | -80.9% |
| 2003 | -0.8075 terawatt-hours | -211.9% |
| 2004 | 2.98 terawatt-hours | -468.8% |
| 2005 | 1.64 terawatt-hours | -45.0% |
| 2006 | 0.347 terawatt-hours | -78.8% |
| 2007 | 0.3469 terawatt-hours | -0.0% |
| 2008 | 7.23 terawatt-hours | +1983.9% |
| 2009 | -8.5 terawatt-hours | -217.5% |
| 2010 | 0.6296 terawatt-hours | -107.4% |
| 2011 | -0.5623 terawatt-hours | -189.3% |
| 2012 | -3.25 terawatt-hours | +478.4% |
| 2013 | -2.18 terawatt-hours | -33.1% |
| 2014 | 0.1335 terawatt-hours | -106.1% |
| 2015 | -4.43 terawatt-hours | -3421.0% |
| 2016 | 4.17 terawatt-hours | -194.0% |
| 2017 | 2.32 terawatt-hours | -44.3% |
| 2018 | 0.4871 terawatt-hours | -79.0% |
| 2019 | -1.87 terawatt-hours | -483.0% |
| 2020 | -3.42 terawatt-hours | +83.2% |
| 2021 | -0.6809 terawatt-hours | -80.1% |
| 2022 | -3.87 terawatt-hours | +468.5% |
| 2023 | -0.2923 terawatt-hours | -92.4% |
| 2024 | 3.8 terawatt-hours | -1401.0% |
| 2025 | -2.04 terawatt-hours | -153.6% |
Slovenia compared with similar countries
- Slovenia's -2.04 terawatt-hours is below the median for high income countries, which is 0.031 terawatt-hours. (75 countries reporting)
- Slovenia's -2.04 terawatt-hours is below the median for Europe & Central Asia, which is 0.5721 terawatt-hours. (50 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy use in Slovenia changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2015 | -3421.0% | 0.1335 terawatt-hours | -4.43 terawatt-hours |
| 2008 | +1983.9% | 0.3469 terawatt-hours | 7.23 terawatt-hours |
| 2024 | +1401.0% | -0.2923 terawatt-hours | 3.8 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.9167 terawatt-hours | -4.47 terawatt-hours | 4.31 terawatt-hours | 9 |
| 2000s | 0.6872 terawatt-hours | -8.5 terawatt-hours | 7.23 terawatt-hours | 10 |
| 2010s | -0.4549 terawatt-hours | -4.43 terawatt-hours | 4.17 terawatt-hours | 10 |
| 2020s | -1.08 terawatt-hours | -3.87 terawatt-hours | 3.8 terawatt-hours | 6 |
Countries ranked near Slovenia
- 181 Kyrgyzstan -1.74 terawatt-hours compare
- 182 Luxembourg -1.78 terawatt-hours compare
- 183 El Salvador -1.88 terawatt-hours compare
- 185 Sudan -2.76 terawatt-hours compare
- 186 Lithuania -2.86 terawatt-hours compare
- 187 Estonia -2.95 terawatt-hours compare
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)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Fuel imports 6.9% (2024)
- Ores and metals imports 3.3% (2024)
Frequently asked questions
- What is annual change in primary energy use in Slovenia?
- Annual change in primary energy use in Slovenia was -2.04 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy use recorded in Slovenia?
- The highest recorded value was 7.23 terawatt-hours in 2008.
- What is the lowest annual change in primary energy use recorded in Slovenia?
- The lowest recorded value was -8.5 terawatt-hours in 2009.
- How does Slovenia rank for annual change in primary energy use?
- Slovenia ranks 184th out of 219 countries with data for 2025.
- Is annual change in primary energy use rising or falling in Slovenia?
- Over the last ten years it is up 54.0%. The long-run trend across the full record is volatile.
- Where does this Slovenia data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Annual change in primary energy use. Statizoid updates them automatically from the source API.
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.