In South Korea in 2023, preliminary figures saw oil making up the largest share of the primary energy supply, with coal coming in second place. Coal, LNG, and oil saw decreased shares in primary energy supply compared to the previous year.
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Korea Energy Economics Institute. (February 6, 2025). Distribution of primary energy supply in South Korea in 2023, by source [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/974559/south-korea-primary-energy-supply-by-source/
Korea Energy Economics Institute. "Distribution of primary energy supply in South Korea in 2023, by source." Chart. February 6, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/974559/south-korea-primary-energy-supply-by-source/
Korea Energy Economics Institute. (2025). Distribution of primary energy supply in South Korea in 2023, by source. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/974559/south-korea-primary-energy-supply-by-source/
Korea Energy Economics Institute. "Distribution of Primary Energy Supply in South Korea in 2023, by Source." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 6 Feb 2025, /statistics/974559/south-korea-primary-energy-supply-by-source/
Korea Energy Economics Institute, Distribution of primary energy supply in South Korea in 2023, by source ÌÇÐÄÆƽâ°æ, /statistics/974559/south-korea-primary-energy-supply-by-source/ (last visited July 24, 2026)
Distribution of primary energy supply in South Korea in 2023, by source [Graph], Korea Energy Economics Institute, February 6, 2025. [Online]. Available: /statistics/974559/south-korea-primary-energy-supply-by-source/
