Hydropower generation by region in Slovakia
Slovakia: Hydropower generation by region was 2.96 terawatt-hours in 2025. ▲ Rising
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 49th out of 79 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.
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
- Fuel imports 8.1% (2024)
- Ores and metals imports 2.7% (2024)
- Ores and metals exports 1.7% (2024)
- Gas production 0.4055 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 73.64 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.4055 terawatt-hours (2024)
- Gas production per person 73.64 kilowatt-hours per person (2024)
- Fuel exports 4.0% (2024)
- Electric power transmission and distribution losses 3.7% (2024)
- Share of dietary energy supply from carbohydrates vs gdp per capita 46.99 (2023)
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 49th out of 79 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.