Annual percentage change in primary energy from hydropower in Slovakia
Slovakia: Annual percentage change in primary energy from hydropower was -38.7% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Slovakia, 1966–2025
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 Slovakia is -38.7%, measured in 2025. That is the lowest value across all 60 years on record.
Compared with earlier readings it is down 1,396.3% on the previous year and down 375.2% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Slovakia peaked at 79.0% in 1993 and was at its lowest, -38.7%, in 2025.
Slovakia ranks 69th 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 Slovakia, year by year
| Year | % | Change |
|---|---|---|
| 1966 | -4.2% | — |
| 1967 | -14.3% | +242.9% |
| 1968 | -8.2% | -42.5% |
| 1969 | -22.2% | +169.2% |
| 1970 | 50.8% | -329.4% |
| 1971 | -24.9% | -149.1% |
| 1972 | 4.7% | -119.0% |
| 1973 | -14.5% | -405.5% |
| 1974 | 68.2% | -570.4% |
| 1975 | -9.9% | -114.6% |
| 1976 | 0.8% | -108.5% |
| 1977 | 19.3% | +2169.0% |
| 1978 | -6.2% | -132.1% |
| 1979 | -16.6% | +168.3% |
| 1980 | 19.8% | -219.3% |
| 1981 | -12.9% | -165.1% |
| 1982 | -12.2% | -5.3% |
| 1983 | 6.1% | -150.3% |
| 1984 | -15.1% | -346.2% |
| 1985 | 36.1% | -339.0% |
| 1986 | -20.9% | -157.8% |
| 1987 | 15.3% | -173.5% |
| 1988 | -9.2% | -159.7% |
| 1989 | 11.8% | -228.7% |
| 1990 | -4.2% | -135.4% |
| 1991 | -25.1% | +500.7% |
| 1992 | 37.6% | -249.6% |
| 1993 | 79.0% | +110.2% |
| 1994 | 25.6% | -67.6% |
| 1995 | 12.1% | -52.9% |
| 1996 | -13.4% | -211.0% |
| 1997 | -3.9% | -71.2% |
| 1998 | 5.0% | -229.5% |
| 1999 | 4.9% | -2.9% |
| 2000 | 3.2% | -35.0% |
| 2001 | 6.8% | +114.5% |
| 2002 | 6.9% | +2.4% |
| 2003 | -33.9% | -590.4% |
| 2004 | 17.8% | -152.5% |
| 2005 | 13.1% | -26.3% |
| 2006 | -5.2% | -139.3% |
| 2007 | 1.2% | -122.9% |
| 2008 | -9.2% | -882.4% |
| 2009 | 8.1% | -187.9% |
| 2010 | 20.3% | +150.1% |
| 2011 | -28.1% | -238.3% |
| 2012 | 8.6% | -130.6% |
| 2013 | 18.2% | +111.2% |
| 2014 | -13.2% | -172.6% |
| 2015 | -8.1% | -38.2% |
| 2016 | 12.8% | -256.5% |
| 2017 | -0.8% | -106.3% |
| 2018 | -17.0% | +2014.1% |
| 2019 | 21.3% | -225.7% |
| 2020 | 3.7% | -82.7% |
| 2021 | -5.7% | -255.1% |
| 2022 | -13.6% | +137.6% |
| 2023 | 27.4% | -301.2% |
| 2024 | 3.0% | -89.1% |
| 2025 | -38.7% | -1396.3% |
Slovakia compared with similar countries
- Slovakia's -38.7% is below the median for high income countries, which is -12.6%, 3.1× the median. (38 countries reporting)
- Slovakia's -38.7% is below the median for Europe & Central Asia, which is -13.7%, 2.8× the median. (38 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in primary energy from hydropower in Slovakia changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1977 | +2169.0% | 0.8% | 19.3% |
| 2018 | -2014.1% | -0.8% | -17.0% |
| 2025 | -1396.3% | 3.0% | -38.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -12.2% | -22.2% | -4.2% | 4 |
| 1970s | 7.2% | -24.9% | 68.2% | 10 |
| 1980s | 1.9% | -20.9% | 36.1% | 10 |
| 1990s | 11.8% | -25.1% | 79.0% | 10 |
| 2000s | 0.9% | -33.9% | 17.8% | 10 |
| 2010s | 1.4% | -28.1% | 21.3% | 10 |
| 2020s | -4.0% | -38.7% | 27.4% | 6 |
Countries ranked near Slovakia
More reference data data for Slovakia
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.2166 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.064 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.8538 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.1453 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.8538 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.7263 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.46 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.296 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 4.04 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.7911 (2050)
Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Slovakia?
- Annual percentage change in primary energy from hydropower in Slovakia was -38.7% 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 Slovakia?
- The highest recorded value was 79.0% in 1993.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Slovakia?
- The lowest recorded value was -38.7% in 2025.
- How does Slovakia rank for annual percentage change in primary energy from hydropower?
- Slovakia ranks 69th out of 71 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Slovakia?
- Over the last ten years it is down 375.2%. The long-run trend across the full record is volatile.
- Where does this Slovakia 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.
Download this data
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About this data
Percentage change in total energy supply relative to the previous year.