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) – 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 59th of 71 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from hydropower in Slovenia, year by year
| Year | % | Change |
|---|---|---|
| 1991 | 21.3% | — |
| 1992 | -5.1% | -124.1% |
| 1993 | -11.3% | +121.1% |
| 1994 | 12.0% | -205.8% |
| 1995 | -4.3% | -136.1% |
| 1996 | 12.8% | -395.8% |
| 1997 | -15.7% | -223.0% |
| 1998 | 11.6% | -173.8% |
| 1999 | 8.4% | -27.9% |
| 2000 | 2.5% | -69.7% |
| 2001 | -1.0% | -139.0% |
| 2002 | -12.7% | +1183.8% |
| 2003 | -10.7% | -15.5% |
| 2004 | 38.5% | -458.1% |
| 2005 | -15.5% | -140.2% |
| 2006 | 3.8% | -124.3% |
| 2007 | -9.1% | -340.9% |
| 2008 | 23.0% | -354.4% |
| 2009 | 17.3% | -24.7% |
| 2010 | -4.2% | -124.1% |
| 2011 | -21.2% | +406.4% |
| 2012 | 9.5% | -144.7% |
| 2013 | 18.7% | +97.9% |
| 2014 | 31.6% | +68.8% |
| 2015 | -37.5% | -218.6% |
| 2016 | 18.3% | -148.7% |
| 2017 | -14.1% | -177.2% |
| 2018 | 21.6% | -253.3% |
| 2019 | -4.8% | -122.1% |
| 2020 | 10.2% | -312.3% |
| 2021 | -4.5% | -144.2% |
| 2022 | -33.2% | +639.1% |
| 2023 | 59.5% | -279.2% |
| 2024 | 6.3% | -89.4% |
| 2025 | -25.2% | -500.9% |
Slovenia compared with similar countries
- Slovenia's -25.2% is below the median for high income countries, which is -12.6%, 2.0× the median. (38 countries reporting)
- Slovenia's -25.2% is below the median for Europe & Central Asia, which is -13.7%, 1.8× the median. (38 countries reporting)
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
More reference data data for Slovenia
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.1291 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.064 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.3634 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0228 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.3634 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.4328 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.2921 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.3244 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 1.78 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.124 (2050)
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) – 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 59th out of 71 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) – 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.