Annual percentage change in primary energy from hydropower in Slovenia
Slovenia: Annual percentage change in primary energy from hydropower was -25.2% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Slovenia, 1991–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for annual percentage change in primary energy from hydropower in Slovenia is -25.2%, measured in 2025.
The figure is down 500.9% on the previous year and up 32.9% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Slovenia peaked at 59.5% in 2023 and was at its lowest, -37.5%, in 2015.
Slovenia ranks 57th of 68 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 3.3% | -15.7% | 21.3% | 9 |
| 2000s | 3.6% | -15.5% | 38.5% | 10 |
| 2010s | 1.8% | -37.5% | 31.6% | 10 |
| 2020s | 2.2% | -33.2% | 59.5% | 6 |
Countries ranked near Slovenia
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Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Slovenia?
- Annual percentage change in primary energy from hydropower in Slovenia was -25.2% 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 annual percentage change in primary energy from hydropower recorded in Slovenia?
- The highest recorded value was 59.5% in 2023.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Slovenia?
- The lowest recorded value was -37.5% in 2015.
- How does Slovenia rank for annual percentage change in primary energy from hydropower?
- Slovenia ranks 57th out of 68 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Slovenia?
- Over the last ten years it is up 32.9%. 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); Smil (2017) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from hydropower. 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.