Greece vs South Korea: Hydropower generation by region
Greece
3.45 terawatt-hours
in 2025
South Korea
3.81 terawatt-hours
in 2025
Greece rank
47th
South Korea rank
46th
Hydropower generation by region over time
- Greece
- South Korea
How they compare
South Korea currently reports 3.81 terawatt-hours against 3.45 terawatt-hours in Greece, a difference of 0.36 terawatt-hours.
That makes South Korea's figure about 1.1 times Greece's.
The two have swapped places 17 times across 61 shared years of data; in 1965 it was Greece ahead.
Greece ranks 47th and South Korea ranks 46th of 79 countries.
Across the 7 decades both report, Greece averaged higher in 6 and South Korea in 1.
Head to head by decade
| Decade | Greece | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1.52 terawatt-hours | 1 terawatt-hours | 0.5214 terawatt-hours | Greece |
| 1970s | 2.49 terawatt-hours | 1.61 terawatt-hours | 0.8838 terawatt-hours | Greece |
| 1980s | 2.87 terawatt-hours | 2.57 terawatt-hours | 0.2924 terawatt-hours | Greece |
| 1990s | 3.2 terawatt-hours | 3.43 terawatt-hours | 0.2258 terawatt-hours | South Korea |
| 2000s | 4.02 terawatt-hours | 3.54 terawatt-hours | 0.4742 terawatt-hours | Greece |
| 2010s | 5.21 terawatt-hours | 3.32 terawatt-hours | 1.88 terawatt-hours | Greece |
| 2020s | 3.99 terawatt-hours | 3.72 terawatt-hours | 0.2763 terawatt-hours | Greece |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, Greece or South Korea?
- South Korea, at 3.81 terawatt-hours against 3.45 terawatt-hours in Greece as of 2025.
- What is the difference in hydropower generation by region between Greece and South Korea?
- 0.36 terawatt-hours, with South Korea ahead.
- How many years of comparable data are there for Greece and South Korea?
- 61 years are reported by both, from 1965 to 2025.
- How do Greece and South Korea rank globally for hydropower generation by region?
- Greece ranks 47th and South Korea ranks 46th 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.