Year-to-year change in primary energy use by source in South Korea
South Korea: Year-to-year change in primary energy use by source was 0.4108 terawatt-hours in 2025. ◆ Volatile
Year-to-year change in primary energy use by source 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
The most recent figure for year-to-year change in primary energy use by source in South Korea is 0.4108 terawatt-hours, measured in 2025.
Compared with earlier readings it is down 90.2% on the previous year and down 73.2% over ten years.
Over the whole period, year-to-year change in primary energy use by source in South Korea peaked at 6.01 terawatt-hours in 2022 and was at its lowest, 0 terawatt-hours, in 1966.
That places South Korea 50th out of 79 countries with data for 2025, putting it 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 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 4 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0.0005 terawatt-hours | 0 terawatt-hours | 0.001 terawatt-hours | 10 |
| 2000s | 0.0562 terawatt-hours | 0.0007 terawatt-hours | 0.2819 terawatt-hours | 10 |
| 2010s | 1.36 terawatt-hours | 0.1493 terawatt-hours | 4.03 terawatt-hours | 10 |
| 2020s | 3.94 terawatt-hours | 0.4108 terawatt-hours | 6.01 terawatt-hours | 6 |
Countries ranked near South Korea
- 48 Lithuania 0.5678 terawatt-hours compare
- 49 Croatia 0.4935 terawatt-hours compare
- 51 New Zealand 0.3798 terawatt-hours compare
- 52 Latvia 0.3728 terawatt-hours compare
- 53 Bangladesh 0.3668 terawatt-hours compare
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 year-to-year change in primary energy use by source in South Korea?
- Year-to-year change in primary energy use by source in South Korea was 0.4108 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 year-to-year change in primary energy use by source recorded in South Korea?
- The highest recorded value was 6.01 terawatt-hours in 2022.
- What is the lowest year-to-year change in primary energy use by source recorded in South Korea?
- The lowest recorded value was 0 terawatt-hours in 1966.
- How does South Korea rank for year-to-year change in primary energy use by source?
- South Korea ranks 50th out of 79 countries with data for 2025.
- Is year-to-year change in primary energy use by source rising or falling in South Korea?
- Over the last ten years it is down 73.2%. 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 Year-to-year change in primary energy use by source. 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.