Hydropower generation by region in South Korea
South Korea: Hydropower generation by region was 3.81 terawatt-hours in 2025. ▲ Rising
Hydropower generation by region in South Korea, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for hydropower generation by region in South Korea is 3.81 terawatt-hours, measured in 2025.
The figure is down 11.5% on the previous year and up 77.4% over ten years.
Over the whole period, hydropower generation by region in South Korea peaked at 4.89 terawatt-hours in 2003 and was at its lowest, 0.7104 terawatt-hours, in 1965.
That places South Korea 46th out of 79 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 61 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1 terawatt-hours | 0.7104 terawatt-hours | 1.43 terawatt-hours | 5 |
| 1970s | 1.61 terawatt-hours | 1.22 terawatt-hours | 2.3 terawatt-hours | 10 |
| 1980s | 2.57 terawatt-hours | 1.72 terawatt-hours | 3.97 terawatt-hours | 10 |
| 1990s | 3.43 terawatt-hours | 2.35 terawatt-hours | 4.68 terawatt-hours | 10 |
| 2000s | 3.54 terawatt-hours | 2.33 terawatt-hours | 4.89 terawatt-hours | 10 |
| 2010s | 3.32 terawatt-hours | 2.15 terawatt-hours | 4.6 terawatt-hours | 10 |
| 2020s | 3.72 terawatt-hours | 3.05 terawatt-hours | 4.3 terawatt-hours | 6 |
Countries ranked near South Korea
More economy & growth data for South Korea
- External balance on goods and services as a percent of GDP 5.2% (2025)
- Inflation of consumer prices 2.1% (2025)
- GDP per capita 37,470 constant 2015 US$ (2025)
- Share of manufacturing in gross domestic product (GDP) 27.4% (2025)
- Gross domestic product (GDP) 1.94 trillion constant 2015 US$ (2025)
- GDP per capita in international and market dollars 37,470 constant 2015 US$ (2025)
- DEC alternative conversion factor 1,422 LCU per US$ (2025)
- Net secondary income (Net current transfers from abroad) -6.93 trillion current LCU (2025)
- Net secondary income (Net current transfers from abroad) -4.87 billion current US$ (2025)
- Taxes less subsidies on products 185.85 trillion current LCU (2025)
Frequently asked questions
- What is hydropower generation by region in South Korea?
- Hydropower generation by region in South Korea was 3.81 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest hydropower generation by region recorded in South Korea?
- The highest recorded value was 4.89 terawatt-hours in 2003.
- What is the lowest hydropower generation by region recorded in South Korea?
- The lowest recorded value was 0.7104 terawatt-hours in 1965.
- How does South Korea rank for hydropower generation by region?
- South Korea ranks 46th out of 79 countries with data for 2025.
- Is hydropower generation by region rising or falling in South Korea?
- Over the last ten years it is up 77.4%. The long-run trend across the full record is rising.
- Where does this South Korea data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Hydropower generation by region. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.