Primary energy from nuclear in South Korea
South Korea: Primary energy from nuclear was 559.67 terawatt-hours in 2025. ◆ Volatile
Primary energy from nuclear in South Korea, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, primary energy from nuclear in South Korea stood at 559.67 terawatt-hours.
The figure is down 2.2% on the previous year and up 12.1% over ten years.
Over the whole period, primary energy from nuclear in South Korea peaked at 571.98 terawatt-hours in 2024 and was at its lowest, 0 terawatt-hours, in 1965.
South Korea ranks 5th of 213 countries on this measure, in the top 10%.
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 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 5 |
| 1970s | 1.68 terawatt-hours | 0 terawatt-hours | 9.55 terawatt-hours | 10 |
| 1980s | 61.44 terawatt-hours | 8.78 terawatt-hours | 143.53 terawatt-hours | 10 |
| 1990s | 210.09 terawatt-hours | 160.26 terawatt-hours | 312.31 terawatt-hours | 10 |
| 2000s | 405.39 terawatt-hours | 330.19 terawatt-hours | 457.45 terawatt-hours | 10 |
| 2010s | 455.59 terawatt-hours | 404.56 terawatt-hours | 499.28 terawatt-hours | 10 |
| 2020s | 529.39 terawatt-hours | 478.83 terawatt-hours | 571.98 terawatt-hours | 6 |
Countries ranked near South Korea
More energy & mining data for South Korea
- Fuel imports 25.7% (2024)
- Ores and metals imports 6.7% (2024)
- Ores and metals exports 2.4% (2024)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 7.7% (2024)
- Electric power transmission and distribution losses 3.3% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 53.9% (2023)
Frequently asked questions
- What is primary energy from nuclear in South Korea?
- Primary energy from nuclear in South Korea was 559.67 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 primary energy from nuclear recorded in South Korea?
- The highest recorded value was 571.98 terawatt-hours in 2024.
- What is the lowest primary energy from nuclear recorded in South Korea?
- The lowest recorded value was 0 terawatt-hours in 1965.
- How does South Korea rank for primary energy from nuclear?
- South Korea ranks 5th out of 213 countries with data for 2025.
- Is primary energy from nuclear rising or falling in South Korea?
- Over the last ten years it is up 12.1%. 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 Primary energy from nuclear. 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
Measured in terawatt-hours of total energy supply.