South Korea vs United Kingdom: Hydropower generation by region
South Korea
3.81 terawatt-hours
in 2025
United Kingdom
5.09 terawatt-hours
in 2025
South Korea rank
47th
United Kingdom rank
45th
Hydropower generation by region over time
- South Korea
- United Kingdom
How they compare
United Kingdom currently reports 5.09 terawatt-hours against 3.81 terawatt-hours in South Korea, a difference of 1.28 terawatt-hours.
That makes United Kingdom's figure about 1.3 times South Korea's.
The two have swapped places 4 times across 61 shared years of data; in 1965 it was United Kingdom ahead.
South Korea ranks 47th and United Kingdom ranks 45th of 80 countries.
United Kingdom has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | South Korea | United Kingdom | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1 terawatt-hours | 4.2 terawatt-hours | 3.2 terawatt-hours | United Kingdom |
| 1970s | 1.61 terawatt-hours | 3.99 terawatt-hours | 2.38 terawatt-hours | United Kingdom |
| 1980s | 2.57 terawatt-hours | 4.45 terawatt-hours | 1.88 terawatt-hours | United Kingdom |
| 1990s | 3.43 terawatt-hours | 4.73 terawatt-hours | 1.3 terawatt-hours | United Kingdom |
| 2000s | 3.54 terawatt-hours | 4.7 terawatt-hours | 1.15 terawatt-hours | United Kingdom |
| 2010s | 3.32 terawatt-hours | 5.41 terawatt-hours | 2.09 terawatt-hours | United Kingdom |
| 2020s | 3.72 terawatt-hours | 5.62 terawatt-hours | 1.9 terawatt-hours | United Kingdom |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, South Korea or United Kingdom?
- United Kingdom, at 5.09 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 United Kingdom?
- 1.28 terawatt-hours, with United Kingdom ahead.
- How many years of comparable data are there for South Korea and United Kingdom?
- 61 years are reported by both, from 1965 to 2025.
- How do South Korea and United Kingdom rank globally for hydropower generation by region?
- South Korea ranks 47th and United Kingdom ranks 45th of 80 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.