Hydropower generation by region in Slovakia
Slovakia: Hydropower generation by region was 2.96 terawatt-hours in 2025. ▲ Rising
Latest (2025)
2.96 terawatt-hours
Change on year
down 38.7%
World rank
50th
of 80 countries
All-time high
5.27 terawatt-hours
in 2002
All-time low
1.3 terawatt-hours
in 1969
Years of data
61
1965–2025
Hydropower generation by region in Slovakia, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Slovakia recorded 2.96 terawatt-hours for hydropower generation by region in 2025.
That represents a change of down 38.7% on the previous year and down 23.5% over ten years.
Over the whole period, hydropower generation by region in Slovakia peaked at 5.27 terawatt-hours in 2002 and was at its lowest, 1.3 terawatt-hours, in 1969.
That places Slovakia 50th out of 80 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 61 years of available data.
Hydropower generation by region in Slovakia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 2.22 terawatt-hours | — |
| 1966 | 2.13 terawatt-hours | -4.2% |
| 1967 | 1.83 terawatt-hours | -14.3% |
| 1968 | 1.67 terawatt-hours | -8.2% |
| 1969 | 1.3 terawatt-hours | -22.2% |
| 1970 | 1.97 terawatt-hours | +50.8% |
| 1971 | 1.48 terawatt-hours | -24.9% |
| 1972 | 1.55 terawatt-hours | +4.7% |
| 1973 | 1.32 terawatt-hours | -14.5% |
| 1974 | 2.22 terawatt-hours | +68.2% |
| 1975 | 2 terawatt-hours | -9.9% |
| 1976 | 2.02 terawatt-hours | +0.8% |
| 1977 | 2.41 terawatt-hours | +19.3% |
| 1978 | 2.26 terawatt-hours | -6.2% |
| 1979 | 1.88 terawatt-hours | -16.6% |
| 1980 | 2.26 terawatt-hours | +19.8% |
| 1981 | 1.97 terawatt-hours | -12.9% |
| 1982 | 1.73 terawatt-hours | -12.2% |
| 1983 | 1.83 terawatt-hours | +6.1% |
| 1984 | 1.55 terawatt-hours | -15.1% |
| 1985 | 2.12 terawatt-hours | +36.1% |
| 1986 | 1.68 terawatt-hours | -20.9% |
| 1987 | 1.93 terawatt-hours | +15.3% |
| 1988 | 1.75 terawatt-hours | -9.2% |
| 1989 | 1.96 terawatt-hours | +11.8% |
| 1990 | 1.88 terawatt-hours | -4.2% |
| 1991 | 1.41 terawatt-hours | -25.1% |
| 1992 | 1.94 terawatt-hours | +37.6% |
| 1993 | 3.47 terawatt-hours | +79.0% |
| 1994 | 4.36 terawatt-hours | +25.6% |
| 1995 | 4.88 terawatt-hours | +12.1% |
| 1996 | 4.23 terawatt-hours | -13.4% |
| 1997 | 4.06 terawatt-hours | -3.9% |
| 1998 | 4.27 terawatt-hours | +5.0% |
| 1999 | 4.47 terawatt-hours | +4.9% |
| 2000 | 4.62 terawatt-hours | +3.2% |
| 2001 | 4.93 terawatt-hours | +6.8% |
| 2002 | 5.27 terawatt-hours | +6.9% |
| 2003 | 3.48 terawatt-hours | -33.9% |
| 2004 | 4.1 terawatt-hours | +17.8% |
| 2005 | 4.64 terawatt-hours | +13.1% |
| 2006 | 4.4 terawatt-hours | -5.2% |
| 2007 | 4.45 terawatt-hours | +1.2% |
| 2008 | 4.04 terawatt-hours | -9.2% |
| 2009 | 4.37 terawatt-hours | +8.1% |
| 2010 | 5.25 terawatt-hours | +20.3% |
| 2011 | 3.78 terawatt-hours | -28.1% |
| 2012 | 4.1 terawatt-hours | +8.6% |
| 2013 | 4.85 terawatt-hours | +18.2% |
| 2014 | 4.21 terawatt-hours | -13.2% |
| 2015 | 3.87 terawatt-hours | -8.1% |
| 2016 | 4.36 terawatt-hours | +12.8% |
| 2017 | 4.32 terawatt-hours | -0.8% |
| 2018 | 3.59 terawatt-hours | -17.0% |
| 2019 | 4.36 terawatt-hours | +21.3% |
| 2020 | 4.52 terawatt-hours | +3.7% |
| 2021 | 4.26 terawatt-hours | -5.7% |
| 2022 | 3.68 terawatt-hours | -13.6% |
| 2023 | 4.69 terawatt-hours | +27.4% |
| 2024 | 4.83 terawatt-hours | +3.0% |
| 2025 | 2.96 terawatt-hours | -38.7% |
Slovakia compared with similar countries
- Slovakia's 2.96 terawatt-hours is below the median for high income countries, which is 3.45 terawatt-hours, 86% of the median. (47 countries reporting)
- Slovakia's 2.96 terawatt-hours is below the median for Europe & Central Asia, which is 3.99 terawatt-hours, 74% of the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.83 terawatt-hours | 1.3 terawatt-hours | 2.22 terawatt-hours | 5 |
| 1970s | 1.91 terawatt-hours | 1.32 terawatt-hours | 2.41 terawatt-hours | 10 |
| 1980s | 1.88 terawatt-hours | 1.55 terawatt-hours | 2.26 terawatt-hours | 10 |
| 1990s | 3.5 terawatt-hours | 1.41 terawatt-hours | 4.88 terawatt-hours | 10 |
| 2000s | 4.43 terawatt-hours | 3.48 terawatt-hours | 5.27 terawatt-hours | 10 |
| 2010s | 4.27 terawatt-hours | 3.59 terawatt-hours | 5.25 terawatt-hours | 10 |
| 2020s | 4.15 terawatt-hours | 2.96 terawatt-hours | 4.83 terawatt-hours | 6 |
Countries ranked near Slovakia
More energy & mining data for Slovakia
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate 0.9653 % 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 8.1% (2024)
Frequently asked questions
- What is hydropower generation by region in Slovakia?
- Hydropower generation by region in Slovakia was 2.96 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 hydropower generation by region recorded in Slovakia?
- The highest recorded value was 5.27 terawatt-hours in 2002.
- What is the lowest hydropower generation by region recorded in Slovakia?
- The lowest recorded value was 1.3 terawatt-hours in 1969.
- How does Slovakia rank for hydropower generation by region?
- Slovakia ranks 50th out of 80 countries with data for 2025.
- Is hydropower generation by region rising or falling in Slovakia?
- Over the last ten years it is down 23.5%. The long-run trend across the full record is rising.
- 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 Hydropower generation by region. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.