Annual change in primary energy from hydropower in Slovakia
Slovakia: Annual change in primary energy from hydropower was -1.87 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
-1.87 terawatt-hours
Change on year
down 1,435.0%
World rank
66th
of 80 countries
All-time high
1.53 terawatt-hours
in 1993
All-time low
-1.87 terawatt-hours
in 2025
Years of data
60
1966–2025
Annual 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 terawatt-hours.
Analysis
The most recent figure for annual change in primary energy from hydropower in Slovakia is -1.87 terawatt-hours, measured in 2025. That is the lowest value across all 60 years on record.
Compared with earlier readings it is down 1,435.0% on the previous year and down 444.9% over ten years.
Over the whole period, annual change in primary energy from hydropower in Slovakia peaked at 1.53 terawatt-hours in 1993 and was at its lowest, -1.87 terawatt-hours, in 2025.
That places Slovakia 66th out of 80 countries with data for 2025, putting it 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 Slovakia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | -0.0928 terawatt-hours | — |
| 1967 | -0.3049 terawatt-hours | +228.6% |
| 1968 | -0.1503 terawatt-hours | -50.7% |
| 1969 | -0.3712 terawatt-hours | +147.1% |
| 1970 | 0.6629 terawatt-hours | -278.6% |
| 1971 | -0.4906 terawatt-hours | -174.0% |
| 1972 | 0.07 terawatt-hours | -114.3% |
| 1973 | -0.224 terawatt-hours | -420.0% |
| 1974 | 0.901 terawatt-hours | -502.2% |
| 1975 | -0.221 terawatt-hours | -124.5% |
| 1976 | 0.017 terawatt-hours | -107.7% |
| 1977 | 0.389 terawatt-hours | +2188.2% |
| 1978 | -0.149 terawatt-hours | -138.3% |
| 1979 | -0.375 terawatt-hours | +151.7% |
| 1980 | 0.373 terawatt-hours | -199.5% |
| 1981 | -0.291 terawatt-hours | -178.0% |
| 1982 | -0.24 terawatt-hours | -17.5% |
| 1983 | 0.106 terawatt-hours | -144.2% |
| 1984 | -0.277 terawatt-hours | -361.3% |
| 1985 | 0.562 terawatt-hours | -302.9% |
| 1986 | -0.442 terawatt-hours | -178.6% |
| 1987 | 0.257 terawatt-hours | -158.1% |
| 1988 | -0.177 terawatt-hours | -168.9% |
| 1989 | 0.207 terawatt-hours | -216.9% |
| 1990 | -0.082 terawatt-hours | -139.6% |
| 1991 | -0.472 terawatt-hours | +475.6% |
| 1992 | 0.529 terawatt-hours | -212.1% |
| 1993 | 1.53 terawatt-hours | +189.2% |
| 1994 | 0.888 terawatt-hours | -42.0% |
| 1995 | 0.525 terawatt-hours | -40.9% |
| 1996 | -0.653 terawatt-hours | -224.4% |
| 1997 | -0.163 terawatt-hours | -75.0% |
| 1998 | 0.203 terawatt-hours | -224.5% |
| 1999 | 0.207 terawatt-hours | +2.0% |
| 2000 | 0.141 terawatt-hours | -31.9% |
| 2001 | 0.312 terawatt-hours | +121.3% |
| 2002 | 0.341 terawatt-hours | +9.3% |
| 2003 | -1.79 terawatt-hours | -624.3% |
| 2004 | 0.62 terawatt-hours | -134.7% |
| 2005 | 0.538 terawatt-hours | -13.2% |
| 2006 | -0.239 terawatt-hours | -144.4% |
| 2007 | 0.052 terawatt-hours | -121.8% |
| 2008 | -0.4117 terawatt-hours | -891.7% |
| 2009 | 0.3282 terawatt-hours | -179.7% |
| 2010 | 0.8874 terawatt-hours | +170.4% |
| 2011 | -1.48 terawatt-hours | -266.4% |
| 2012 | 0.3248 terawatt-hours | -122.0% |
| 2013 | 0.745 terawatt-hours | +129.4% |
| 2014 | -0.639 terawatt-hours | -185.8% |
| 2015 | -0.343 terawatt-hours | -46.3% |
| 2016 | 0.493 terawatt-hours | -243.7% |
| 2017 | -0.035 terawatt-hours | -107.1% |
| 2018 | -0.734 terawatt-hours | +1997.2% |
| 2019 | 0.766 terawatt-hours | -204.4% |
| 2020 | 0.161 terawatt-hours | -79.0% |
| 2021 | -0.259 terawatt-hours | -260.9% |
| 2022 | -0.58 terawatt-hours | +123.9% |
| 2023 | 1.01 terawatt-hours | -273.8% |
| 2024 | 0.14 terawatt-hours | -86.1% |
| 2025 | -1.87 terawatt-hours | -1435.0% |
Slovakia compared with similar countries
- Slovakia's -1.87 terawatt-hours is below the median for high income countries, which is -0.1136 terawatt-hours, 16.5× the median. (47 countries reporting)
- Slovakia's -1.87 terawatt-hours is below the median for Europe & Central Asia, which is -0.2504 terawatt-hours, 7.5× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Annual 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 | +2188.2% | 0.017 terawatt-hours | 0.389 terawatt-hours |
| 2018 | -1997.2% | -0.035 terawatt-hours | -0.734 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -0.2298 terawatt-hours | -0.3712 terawatt-hours | -0.0928 terawatt-hours | 4 |
| 1970s | 0.058 terawatt-hours | -0.4906 terawatt-hours | 0.901 terawatt-hours | 10 |
| 1980s | 0.0078 terawatt-hours | -0.442 terawatt-hours | 0.562 terawatt-hours | 10 |
| 1990s | 0.2512 terawatt-hours | -0.653 terawatt-hours | 1.53 terawatt-hours | 10 |
| 2000s | -0.0106 terawatt-hours | -1.79 terawatt-hours | 0.62 terawatt-hours | 10 |
| 2010s | -0.0012 terawatt-hours | -1.48 terawatt-hours | 0.8874 terawatt-hours | 10 |
| 2020s | -0.2332 terawatt-hours | -1.87 terawatt-hours | 1.01 terawatt-hours | 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 change in primary energy from hydropower in Slovakia?
- Annual change in primary energy from hydropower in Slovakia was -1.87 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 Slovakia?
- The highest recorded value was 1.53 terawatt-hours in 1993.
- What is the lowest annual change in primary energy from hydropower recorded in Slovakia?
- The lowest recorded value was -1.87 terawatt-hours in 2025.
- How does Slovakia rank for annual change in primary energy from hydropower?
- Slovakia ranks 66th out of 80 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in Slovakia?
- Over the last ten years it is down 444.9%. 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 change in primary energy from hydropower. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.