South Korea vs Taiwan: Hydropower generation by region
South Korea
3.81 terawatt-hours
in 2025
Taiwan
5.5 terawatt-hours
in 2025
South Korea rank
46th
Taiwan rank
43rd
Hydropower generation by region over time
- South Korea
- Taiwan
How they compare
Taiwan currently reports 5.5 terawatt-hours against 3.81 terawatt-hours in South Korea, a difference of 1.69 terawatt-hours.
That makes Taiwan's figure about 1.4 times South Korea's.
The two have swapped places 10 times across 61 shared years of data; in 1965 it was Taiwan ahead.
South Korea ranks 46th and Taiwan ranks 43rd of 79 countries.
Taiwan has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | South Korea | Taiwan | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1 terawatt-hours | 2.96 terawatt-hours | 1.96 terawatt-hours | Taiwan |
| 1970s | 1.61 terawatt-hours | 4.08 terawatt-hours | 2.47 terawatt-hours | Taiwan |
| 1980s | 2.57 terawatt-hours | 4.9 terawatt-hours | 2.33 terawatt-hours | Taiwan |
| 1990s | 3.43 terawatt-hours | 5.2 terawatt-hours | 1.78 terawatt-hours | Taiwan |
| 2000s | 3.54 terawatt-hours | 3.93 terawatt-hours | 0.388 terawatt-hours | Taiwan |
| 2010s | 3.32 terawatt-hours | 5.01 terawatt-hours | 1.69 terawatt-hours | Taiwan |
| 2020s | 3.72 terawatt-hours | 4.33 terawatt-hours | 0.6176 terawatt-hours | Taiwan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, South Korea or Taiwan?
- Taiwan, at 5.5 terawatt-hours against 3.81 terawatt-hours in South Korea as of 2025.
- What is the difference in hydropower generation by region between South Korea and Taiwan?
- 1.69 terawatt-hours, with Taiwan ahead.
- How many years of comparable data are there for South Korea and Taiwan?
- 61 years are reported by both, from 1965 to 2025.
- How do South Korea and Taiwan rank globally for hydropower generation by region?
- South Korea ranks 46th and Taiwan ranks 43rd 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.