South Korea vs Slovenia: Primary energy from hydropower
South Korea
3.81 terawatt-hours
in 2025
Slovenia
3.99 terawatt-hours
in 2025
South Korea rank
46th
Slovenia rank
45th
Primary energy from hydropower over time
- South Korea
- Slovenia
How they compare
Slovenia currently reports 3.99 terawatt-hours against 3.81 terawatt-hours in South Korea, a difference of 0.18 terawatt-hours.
The two have swapped places 13 times across 36 shared years of data; in 1990 it was South Korea ahead.
South Korea ranks 46th and Slovenia ranks 45th of 77 countries.
Across the 4 decades both report, South Korea averaged higher in 1 and Slovenia in 3.
Head to head by decade
| Decade | South Korea | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3.43 terawatt-hours | 3.36 terawatt-hours | 0.0639 terawatt-hours | South Korea |
| 2000s | 3.54 terawatt-hours | 3.7 terawatt-hours | 0.1621 terawatt-hours | Slovenia |
| 2010s | 3.32 terawatt-hours | 4.41 terawatt-hours | 1.08 terawatt-hours | Slovenia |
| 2020s | 3.72 terawatt-hours | 4.52 terawatt-hours | 0.8083 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from hydropower, South Korea or Slovenia?
- Slovenia, at 3.99 terawatt-hours against 3.81 terawatt-hours in South Korea as of 2025.
- What is the difference in primary energy from hydropower between South Korea and Slovenia?
- 0.18 terawatt-hours, with Slovenia ahead.
- How many years of comparable data are there for South Korea and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do South Korea and Slovenia rank globally for primary energy from hydropower?
- South Korea ranks 46th and Slovenia ranks 45th of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.