Republic of Korea vs Slovakia: Hydropower generation by region
Republic of Korea
3.81 terawatt-hours
in 2025
Slovakia
2.96 terawatt-hours
in 2025
Republic of Korea rank
47th
Slovakia rank
50th
Hydropower generation by region over time
- Republic of Korea
- Slovakia
How they compare
Republic of Korea currently reports 3.81 terawatt-hours against 2.96 terawatt-hours in Slovakia, a difference of 0.85 terawatt-hours.
That makes Republic of 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.
Republic of Korea ranks 47th and Slovakia ranks 50th of 80 countries.
Across the 7 decades both report, Republic of Korea averaged higher in 1 and Slovakia in 6.
Head to head by decade
| Decade | Republic of 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 | Republic of 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, Republic of Korea or Slovakia?
- Republic of 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 Republic of Korea and Slovakia?
- 0.85 terawatt-hours, with Republic of Korea ahead.
- How many years of comparable data are there for Republic of Korea and Slovakia?
- 61 years are reported by both, from 1965 to 2025.
- How do Republic of Korea and Slovakia rank globally for hydropower generation by region?
- Republic of Korea ranks 47th and Slovakia ranks 50th of 80 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) β 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.