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
Annual change in primary energy from hydropower in Slovakia, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – 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 63rd out of 77 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.
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
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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); Smil (2017) – 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 63rd out of 77 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); Smil (2017) – 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.