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Related Parties - Summary of Loans and Others Arising From Related Party Transaction (Details) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 KRW (₩)
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | ₩ 567,686
Changes in Loans receivable transactions between related parties |
Loans | 14,086
Collection | (83,181)
Others | 12,625
Ending balance | 511,216
KNOC Nigerian East & West Oil Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 32,153
Changes in Loans receivable transactions between related parties |
Loans | 913
Collection | 0
Others | 0
Ending balance | 33,066
KNOC Nigerian East & West Oil Co., Ltd. | Accumulated impairment [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | (25,543)
Changes in Loans receivable transactions between related parties |
Loans | (913)
Collection | 0
Others | (6,610)
Ending balance | (33,066)
Nepal Water & Energy Development Company Private Limited | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 18,052
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (18,052)
Others | 0
Ending balance | 0
Xe-Pian Xe-Namnoy Power Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 23,337
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 3,269
Ending balance | 26,606
PT. Cirebon Energi Prasarana | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 35,542
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (3,658)
Others | 6,981
Ending balance | 38,865
Bigeum Resident Photovoltaic Power Co., Ltd | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 9,525
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | (9,525)
Ending balance | 0
Daejung Offshore Wind Power Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 1,000
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 0
Ending balance | 1,000
Bitgoel Eco Energy Co., Ltd. [Member] | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 30,885
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (4,260)
Others | 0
Ending balance | 26,625
Saemangeum Sebit Power Plant Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 28,970
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (1,420)
Others | 0
Ending balance | 27,550
Solaseado Solar Power Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 35,000
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (71)
Others | 0
Ending balance | 34,929
Recursos Solares PV De Mexico II, S.A. De C.V. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 10,589
Changes in Loans receivable transactions between related parties |
Loans | 2,074
Collection | 0
Others | 1,650
Ending balance | 14,313
HORUS SOLAR, S.A. DE C.V. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 11,199
Changes in Loans receivable transactions between related parties |
Loans | 798
Collection | 0
Others | 1,680
Ending balance | 13,677
SUNMEX RENOVABLES, S.A. DE C.V. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 17,210
Changes in Loans receivable transactions between related parties |
Loans | 2,018
Collection | 0
Others | 2,565
Ending balance | 21,793
Kelar S.A | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 40,985
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (11,582)
Others | (10,112)
Ending balance | 19,291
DE Energia SpA | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 7,386
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 1,034
Ending balance | 8,420
Daehan Wind Power PSC | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 14,872
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 2,084
Ending balance | 16,956
Bitsolar Energy Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 3,165
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 0
Ending balance | 3,165
Daesan Green Energy Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 2,411
Changes in Loans receivable transactions between related parties |
Loans | 80
Collection | 0
Others | 0
Ending balance | 2,491
Yangyang Wind Power Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 3,257
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 0
Ending balance | 3,257
Nghi Son 2 Power LLC | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 189,991
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (43,906)
Others | 22,516
Ending balance | 168,601
Pulau Indah Power Plant Sdn. Bhd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 9,963
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | (9,963)
Ending balance | 0
Guadalupe Solar SpA | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 3,161
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | (232)
Others | 423
Ending balance | 3,352
Foresight Iberian Solar Group Holding, S.L. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 64,318
Changes in Loans receivable transactions between related parties |
Loans | 222
Collection | 0
Others | 6,597
Ending balance | 71,137
Capman Lynx SCA, SICAR | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 35,210
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 0
Ending balance | 35,210
Capman Lynx SCA, SICAR | Accumulated impairment [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | (35,210)
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 0
Ending balance | (35,210)
S-Power Chile SpA | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 258
Changes in Loans receivable transactions between related parties |
Loans | 0
Collection | 0
Others | 36
Ending balance | 294
Omisan Wind Power Co., Ltd. | Gross carrying amount [member] |
Disclosure of Loans transactions between related parties [Line Items] |
Beginning balance | 0
Changes in Loans receivable transactions between related parties |
Loans | 8,894
Collection | 0
Others | 0
Ending balance | ₩ 8,894

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