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); Smil (2017) – 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 66th of 68 countries on this measure, 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 | -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
- Spring temperature anomalies 2.69 °C (2026)
- Summer temperature anomalies 2.31 °C (2026)
- Temperature anomalies by month -0.7046 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 1.71 °C (2025)
- Winter temperature anomalies 2.77 °C (2025)
- Consumer price index 161.56 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
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); Smil (2017) – 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 66th out of 68 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); Smil (2017) – 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
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage change in total energy supply relative to the previous year.