South Korea vs Slovakia: Hydropower generation by region
South Korea
3.81 terawatt-hours
in 2025
Slovakia
2.96 terawatt-hours
in 2025
South Korea rank
46th
Slovakia rank
49th
Hydropower generation by region over time
- South Korea
- Slovakia
How they compare
South Korea currently reports 3.81 terawatt-hours against 2.96 terawatt-hours in Slovakia, a difference of 0.85 terawatt-hours.
That makes South Korea's figure about 1.3 times Slovakia's.
The two have swapped places 15 times across 61 shared years of data; in 1965 it was Slovakia ahead.
South Korea ranks 46th and Slovakia ranks 49th of 79 countries.
Across the 7 decades both report, South Korea averaged higher in 1 and Slovakia in 6.
Head to head by decade
| Decade | South Korea | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1 terawatt-hours | 1.83 terawatt-hours | 0.83 terawatt-hours | Slovakia |
| 1970s | 1.61 terawatt-hours | 1.91 terawatt-hours | 0.3039 terawatt-hours | Slovakia |
| 1980s | 2.57 terawatt-hours | 1.88 terawatt-hours | 0.696 terawatt-hours | South Korea |
| 1990s | 3.43 terawatt-hours | 3.5 terawatt-hours | 0.0681 terawatt-hours | Slovakia |
| 2000s | 3.54 terawatt-hours | 4.43 terawatt-hours | 0.886 terawatt-hours | Slovakia |
| 2010s | 3.32 terawatt-hours | 4.27 terawatt-hours | 0.945 terawatt-hours | Slovakia |
| 2020s | 3.72 terawatt-hours | 4.15 terawatt-hours | 0.4378 terawatt-hours | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, South Korea or Slovakia?
- South Korea, at 3.81 terawatt-hours against 2.96 terawatt-hours in Slovakia as of 2025.
- What is the difference in hydropower generation by region between South Korea and Slovakia?
- 0.85 terawatt-hours, with South Korea ahead.
- How many years of comparable data are there for South Korea and Slovakia?
- 61 years are reported by both, from 1965 to 2025.
- How do South Korea and Slovakia rank globally for hydropower generation by region?
- South Korea ranks 46th and Slovakia ranks 49th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Hydropower generation by region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.