Year-to-year percentage change in primary energy use by source in Slovenia
Slovenia: Year-to-year percentage change in primary energy use by source was 21.2% in 2025. ◆ Volatile
Year-to-year percentage change in primary energy use by source in Slovenia, 2009–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for year-to-year percentage change in primary energy use by source in Slovenia is 21.2%, measured in 2025.
Compared with earlier readings it is down 26.5% on the previous year and up 220.5% over ten years.
Over the whole period, year-to-year percentage change in primary energy use by source in Slovenia peaked at 407.7% in 2011 and was at its lowest, -10.2%, in 2018.
That places Slovenia 43rd out of 78 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Year-to-year percentage change in primary energy use by source in Slovenia, year by year
| Year | % | Change |
|---|---|---|
| 2009 | 300.0% | — |
| 2010 | 225.0% | -25.0% |
| 2011 | 407.7% | +81.2% |
| 2012 | 147.0% | -64.0% |
| 2013 | 31.9% | -78.3% |
| 2014 | 19.5% | -38.8% |
| 2015 | 6.6% | -66.1% |
| 2016 | -2.6% | -138.6% |
| 2017 | 6.3% | -347.3% |
| 2018 | -10.2% | -261.2% |
| 2019 | 18.9% | -285.2% |
| 2020 | 21.5% | +14.0% |
| 2021 | 23.1% | +7.3% |
| 2022 | 42.5% | +84.2% |
| 2023 | 52.5% | +23.5% |
| 2024 | 28.8% | -45.1% |
| 2025 | 21.2% | -26.5% |
Slovenia compared with similar countries
- Slovenia's 21.2% is below the median for high income countries, which is 23.8%, 89% of the median. (46 countries reporting)
- Slovenia's 21.2% is above the median for Europe & Central Asia, which is 21.0%, 1.0× the median. (38 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 300.0% | 300.0% | 300.0% | 1 |
| 2010s | 85.0% | -10.2% | 407.7% | 10 |
| 2020s | 31.6% | 21.2% | 52.5% | 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 year-to-year percentage change in primary energy use by source in Slovenia?
- Year-to-year percentage change in primary energy use by source in Slovenia was 21.2% in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest year-to-year percentage change in primary energy use by source recorded in Slovenia?
- The highest recorded value was 407.7% in 2011.
- What is the lowest year-to-year percentage change in primary energy use by source recorded in Slovenia?
- The lowest recorded value was -10.2% in 2018.
- How does Slovenia rank for year-to-year percentage change in primary energy use by source?
- Slovenia ranks 43rd out of 78 countries with data for 2025.
- Is year-to-year percentage change in primary energy use by source rising or falling in Slovenia?
- Over the last ten years it is up 220.5%. 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) – with major processing by Our World in Data, published as part of Year-to-year percentage change in primary energy use by source. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.