Annual change in primary energy from hydropower in South Korea
South Korea: Annual change in primary energy from hydropower was -0.4949 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from hydropower in South Korea, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
South Korea recorded -0.4949 terawatt-hours for annual change in primary energy from hydropower in 2025.
The figure is down 184.8% on the previous year and up 18.3% over ten years.
Over the whole period, annual change in primary energy from hydropower in South Korea peaked at 1.72 terawatt-hours in 1990 and was at its lowest, -1.98 terawatt-hours, in 1988.
South Korea ranks 51st of 77 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.1795 terawatt-hours | -0.0322 terawatt-hours | 0.499 terawatt-hours | 4 |
| 1970s | 0.0868 terawatt-hours | -0.3959 terawatt-hours | 0.6214 terawatt-hours | 10 |
| 1980s | 0.0668 terawatt-hours | -1.98 terawatt-hours | 1.19 terawatt-hours | 10 |
| 1990s | 0.1195 terawatt-hours | -1.88 terawatt-hours | 1.72 terawatt-hours | 10 |
| 2000s | -0.1346 terawatt-hours | -1.68 terawatt-hours | 1.65 terawatt-hours | 10 |
| 2010s | -0.0024 terawatt-hours | -1.54 terawatt-hours | 0.9157 terawatt-hours | 10 |
| 2020s | 0.1695 terawatt-hours | -0.8227 terawatt-hours | 1.09 terawatt-hours | 6 |
Countries ranked near South Korea
More reference data data for South Korea
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- Summer temperature anomalies 0.7164 °C (2026)
- Temperature anomalies by month -0.8996 °C (2026)
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- Autumn temperature anomalies 2.24 °C (2025)
- Winter temperature anomalies 0.9115 °C (2025)
- Consumer price index 135 2010 = 100 (2025)
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- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is annual change in primary energy from hydropower in South Korea?
- Annual change in primary energy from hydropower in South Korea was -0.4949 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual change in primary energy from hydropower recorded in South Korea?
- The highest recorded value was 1.72 terawatt-hours in 1990.
- What is the lowest annual change in primary energy from hydropower recorded in South Korea?
- The lowest recorded value was -1.98 terawatt-hours in 1988.
- How does South Korea rank for annual change in primary energy from hydropower?
- South Korea ranks 51st out of 77 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in South Korea?
- Over the last ten years it is up 18.3%. The long-run trend across the full record is volatile.
- Where does this South Korea data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual change in primary energy from hydropower. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.