Share of primary energy from hydropower in Slovenia
Slovenia: Share of primary energy from hydropower was 5.8% in 2025. ▲ Rising
Share of primary energy from hydropower in Slovenia, 1990–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of primary energy from hydropower in Slovenia is 5.8%, measured in 2025.
Compared with earlier readings it is down 22.9% on the previous year and up 7.0% over ten years.
Over the whole period, share of primary energy from hydropower in Slovenia peaked at 8.2% in 2014 and was at its lowest, 3.9%, in 2003.
Slovenia ranks 18th of 80 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 36 years of available data.
Share of primary energy from hydropower in Slovenia, year by year
| Year | % | Change |
|---|---|---|
| 1990 | 4.6% | — |
| 1991 | 5.7% | +23.3% |
| 1992 | 5.8% | +2.0% |
| 1993 | 4.9% | -14.8% |
| 1994 | 5.2% | +5.8% |
| 1995 | 4.7% | -10.2% |
| 1996 | 5.0% | +7.3% |
| 1997 | 4.1% | -18.6% |
| 1998 | 4.6% | +13.6% |
| 1999 | 5.1% | +10.4% |
| 2000 | 5.3% | +3.8% |
| 2001 | 5.0% | -5.9% |
| 2002 | 4.3% | -13.5% |
| 2003 | 3.9% | -9.8% |
| 2004 | 5.2% | +33.3% |
| 2005 | 4.3% | -17.2% |
| 2006 | 4.4% | +3.3% |
| 2007 | 4.0% | -9.4% |
| 2008 | 4.5% | +13.0% |
| 2009 | 5.9% | +29.8% |
| 2010 | 5.6% | -4.9% |
| 2011 | 4.5% | -20.6% |
| 2012 | 5.1% | +14.1% |
| 2013 | 6.2% | +22.2% |
| 2014 | 8.2% | +31.4% |
| 2015 | 5.4% | -33.5% |
| 2016 | 6.0% | +11.6% |
| 2017 | 5.0% | -16.7% |
| 2018 | 6.1% | +20.8% |
| 2019 | 5.9% | -2.4% |
| 2020 | 6.9% | +15.4% |
| 2021 | 6.6% | -3.6% |
| 2022 | 4.7% | -29.4% |
| 2023 | 7.5% | +60.2% |
| 2024 | 7.5% | +0.6% |
| 2025 | 5.8% | -22.9% |
Slovenia compared with similar countries
- Slovenia's 5.8% is above the median for high income countries, which is 0.8%, 7.1× the median. (47 countries reporting)
- Slovenia's 5.8% is above the median for Europe & Central Asia, which is 1.4%, 4.0× the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 5.0% | 4.1% | 5.8% | 10 |
| 2000s | 4.7% | 3.9% | 5.9% | 10 |
| 2010s | 5.8% | 4.5% | 8.2% | 10 |
| 2020s | 6.5% | 4.7% | 7.5% | 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 share of primary energy from hydropower in Slovenia?
- Share of primary energy from hydropower in Slovenia was 5.8% in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest share of primary energy from hydropower recorded in Slovenia?
- The highest recorded value was 8.2% in 2014.
- What is the lowest share of primary energy from hydropower recorded in Slovenia?
- The lowest recorded value was 3.9% in 2003.
- How does Slovenia rank for share of primary energy from hydropower?
- Slovenia ranks 18th out of 80 countries with data for 2025.
- Is share of primary energy from hydropower rising or falling in Slovenia?
- Over the last ten years it is up 7.0%. The long-run trend across the full record is rising.
- Where does this Slovenia data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from hydropower. Statizoid updates them automatically from the source API.
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About this data
Measured as a percentage of total energy supply.