Fossil fuel supply by source in South Korea
South Korea: Fossil fuel supply by source was 629.58 terawatt-hours in 2025. ◆ Volatile
Fossil fuel supply by source in South Korea, 1986–2025
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 fossil fuel supply by source in South Korea is 629.58 terawatt-hours, measured in 2025.
That represents a change of down 0.7% on the previous year and up 37.9% over ten years.
Over the whole period, fossil fuel supply by source in South Korea peaked at 633.74 terawatt-hours in 2024 and was at its lowest, 0.7118 terawatt-hours, in 1986.
That places South Korea 12th out of 76 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 19.68 terawatt-hours | 0.7118 terawatt-hours | 28.45 terawatt-hours | 4 |
| 1990s | 95.58 terawatt-hours | 31.64 terawatt-hours | 176.36 terawatt-hours | 10 |
| 2000s | 296.23 terawatt-hours | 198.08 terawatt-hours | 374.52 terawatt-hours | 10 |
| 2010s | 507.22 terawatt-hours | 449.82 terawatt-hours | 576.93 terawatt-hours | 10 |
| 2020s | 610.51 terawatt-hours | 565.87 terawatt-hours | 633.74 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 fossil fuel supply by source in South Korea?
- Fossil fuel supply by source in South Korea was 629.58 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 fossil fuel supply by source recorded in South Korea?
- The highest recorded value was 633.74 terawatt-hours in 2024.
- What is the lowest fossil fuel supply by source recorded in South Korea?
- The lowest recorded value was 0.7118 terawatt-hours in 1986.
- How does South Korea rank for fossil fuel supply by source?
- South Korea ranks 12th out of 76 countries with data for 2025.
- Is fossil fuel supply by source rising or falling in South Korea?
- Over the last ten years it is up 37.9%. 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 Fossil fuel supply by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 40 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.