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