Annual change in primary energy from hydropower in Slovenia
Slovenia: Annual change in primary energy from hydropower was -1.34 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
-1.34 terawatt-hours
Change on year
down 526.1%
World rank
64th
of 80 countries
All-time high
1.87 terawatt-hours
in 2023
All-time low
-2.28 terawatt-hours
in 2015
Years of data
35
1991–2025
Annual 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 terawatt-hours.
Analysis
The most recent figure for annual change in primary energy from hydropower in Slovenia is -1.34 terawatt-hours, measured in 2025.
Compared with earlier readings it is down 526.1% on the previous year and up 41.2% over ten years.
Over the whole period, annual change in primary energy from hydropower in Slovenia peaked at 1.87 terawatt-hours in 2023 and was at its lowest, -2.28 terawatt-hours, in 2015.
Slovenia ranks 64th of 80 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 change in primary energy from hydropower in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1991 | 0.634 terawatt-hours | — |
| 1992 | -0.185 terawatt-hours | -129.2% |
| 1993 | -0.388 terawatt-hours | +109.7% |
| 1994 | 0.364 terawatt-hours | -193.8% |
| 1995 | -0.147 terawatt-hours | -140.4% |
| 1996 | 0.416 terawatt-hours | -383.0% |
| 1997 | -0.577 terawatt-hours | -238.7% |
| 1998 | 0.359 terawatt-hours | -162.2% |
| 1999 | 0.289 terawatt-hours | -19.5% |
| 2000 | 0.095 terawatt-hours | -67.1% |
| 2001 | -0.038 terawatt-hours | -140.0% |
| 2002 | -0.483 terawatt-hours | +1171.1% |
| 2003 | -0.356 terawatt-hours | -26.3% |
| 2004 | 1.14 terawatt-hours | -419.7% |
| 2005 | -0.634 terawatt-hours | -155.7% |
| 2006 | 0.13 terawatt-hours | -120.5% |
| 2007 | -0.325 terawatt-hours | -350.0% |
| 2008 | 0.752 terawatt-hours | -331.4% |
| 2009 | 0.697 terawatt-hours | -7.3% |
| 2010 | -0.197 terawatt-hours | -128.3% |
| 2011 | -0.956 terawatt-hours | +385.3% |
| 2012 | 0.337 terawatt-hours | -135.3% |
| 2013 | 0.73 terawatt-hours | +116.6% |
| 2014 | 1.46 terawatt-hours | +100.4% |
| 2015 | -2.28 terawatt-hours | -256.1% |
| 2016 | 0.695 terawatt-hours | -130.4% |
| 2017 | -0.6347 terawatt-hours | -191.3% |
| 2018 | 0.836 terawatt-hours | -231.7% |
| 2019 | -0.2249 terawatt-hours | -126.9% |
| 2020 | 0.4547 terawatt-hours | -302.1% |
| 2021 | -0.2215 terawatt-hours | -148.7% |
| 2022 | -1.56 terawatt-hours | +605.9% |
| 2023 | 1.87 terawatt-hours | -219.7% |
| 2024 | 0.3151 terawatt-hours | -83.2% |
| 2025 | -1.34 terawatt-hours | -526.1% |
Slovenia compared with similar countries
- Slovenia's -1.34 terawatt-hours is below the median for high income countries, which is -0.1136 terawatt-hours, 11.8× the median. (47 countries reporting)
- Slovenia's -1.34 terawatt-hours is below the median for Europe & Central Asia, which is -0.2504 terawatt-hours, 5.4× the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.085 terawatt-hours | -0.577 terawatt-hours | 0.634 terawatt-hours | 9 |
| 2000s | 0.0976 terawatt-hours | -0.634 terawatt-hours | 1.14 terawatt-hours | 10 |
| 2010s | -0.0236 terawatt-hours | -2.28 terawatt-hours | 1.46 terawatt-hours | 10 |
| 2020s | -0.081 terawatt-hours | -1.56 terawatt-hours | 1.87 terawatt-hours | 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 change in primary energy from hydropower in Slovenia?
- Annual change in primary energy from hydropower in Slovenia was -1.34 terawatt-hours 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 change in primary energy from hydropower recorded in Slovenia?
- The highest recorded value was 1.87 terawatt-hours in 2023.
- What is the lowest annual change in primary energy from hydropower recorded in Slovenia?
- The lowest recorded value was -2.28 terawatt-hours in 2015.
- How does Slovenia rank for annual change in primary energy from hydropower?
- Slovenia ranks 64th out of 80 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in Slovenia?
- Over the last ten years it is up 41.2%. 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 change in primary energy from hydropower. Statizoid updates them automatically from the source API.
Download this data
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.