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v3.23.1

Investments in Associates 1 (Details) - KRW (₩) ₩ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of associates [line items] |  |  |  |  |  |
Acquisition cost |  | ₩ 3,089,683 |  | ₩ 3,059,835 |  |
Book value |  | ₩ 5,844,464 |  | ₩ 5,232,373 |  | ₩ 4,250,787
Korea Gas Corporation |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Importing and wholesaling LNG |  | Importing and wholesaling LNG | [1] |
Location |  | KOREA |  | Korea | [1] |
Percentage of ownership |  | 20.47% |  | 20.47% | [1] |
Acquisition cost |  | ₩ 94,500 |  | ₩ 94,500 | [1] |
The fair value of associates |  | 684,180 |  | 738,990 |  |
Book value |  | ₩ 2,085,296 |  | ₩ 1,815,513 | [1] | 1,647,325
Korea Electric Power Industrial Development Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Electricity metering and others |  | Electricity metering and others |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 4,727 |  | ₩ 4,727 |  |
The fair value of associates |  | 80,454 |  | 115,339 |  |
Book value |  | ₩ 31,078 |  | ₩ 24,617 |  | 25,630
YTN Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Broadcasting | [2] | Broadcasting |  |
Location |  | KOREA | [2] | Korea |  |
Percentage of ownership |  | 21.43% | [2] | 21.43% |  |
Acquisition cost |  | ₩ 59,000 | [2] | ₩ 59,000 |  |
The fair value of associates |  | 50,220 |  | 26,550 |  |
Book value |  | ₩ 55,027 | [2] | ₩ 51,828 |  | 40,549
Gangwon Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [3] | Power generation | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 15.00% | [3] | 15.00% | [4] |
Acquisition cost |  | ₩ 5,725 | [3] | ₩ 5,725 | [4] |
Book value |  | ₩ 12,158 | [3] | ₩ 10,554 | [4] | 11,443
Hyundai Green Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation equipment consignment and operation service |  | Power generation equipment consignment and operation service |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 88,885 |  | ₩ 88,885 |  |
Book value |  | ₩ 119,791 |  | ₩ 121,955 |  | 132,774
Korea Power Exchange |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Management of power market and others | [5] | Management of power market and others | [6] |
Location |  | KOREA | [5] | Korea | [6] |
Percentage of ownership |  | 100.00% | [5] | 100.00% | [6] |
Acquisition cost |  | ₩ 127,839 | [5] | ₩ 127,839 | [6] |
Book value |  | 275,126 | [5] | 269,728 | [6] | 269,122
Dayone Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | 3,565 |  | (1,244) |  |
Accumulated unrecognized equity interest |  | ₩ 27,017 |  | ₩ 23,452 |  |
Taebaek Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [7] | Power generation |  |
Location |  | KOREA | [7] | Korea |  |
Percentage of ownership |  | 60.00% | [7] | 25.00% |  |
Acquisition cost |  | ₩ 11,494 | [7] | ₩ 3,810 |  |
Book value |  | ₩ 14,501 | [7] | ₩ 6,800 |  | 6,392
Taebaek Guinemi Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [7] | Power generation |  |
Location |  | KOREA | [7] | Korea |  |
Percentage of ownership |  | 67.25% | [7] | 25.00% |  |
Acquisition cost |  | ₩ 12,637 | [7] | ₩ 3,420 |  |
Book value |  | 13,049 | [7] | ₩ 3,357 |  | 3,087
Pyeongchang Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  |  |  | Power generation |  |
Location |  |  |  | Korea |  |
Percentage of ownership |  |  |  | 25.00% |  |
Acquisition cost |  |  |  | ₩ 3,875 |  |
Book value |  | ₩ 0 |  | ₩ 5,411 |  | 5,027
Daeryun Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [3] | Power generation | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 6.85% | [3] | 9.34% | [4] |
Acquisition cost |  | ₩ 40,854 | [3] | ₩ 40,854 | [4] |
Book value |  | 26,727 | [3] | ₩ 25,426 | [4] | 26,353
Changjuk Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  |  |  | Power generation |  |
Location |  |  |  | Korea |  |
Percentage of ownership |  |  |  | 30.00% |  |
Acquisition cost |  |  |  | ₩ 3,801 |  |
Book value |  | ₩ 0 |  | ₩ 8,355 |  | 7,867
KNH Solar Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 27.00% |  | 27.00% |  |
Acquisition cost |  | ₩ 1,296 |  | ₩ 1,296 |  |
Book value |  | ₩ 2,883 |  | ₩ 2,278 |  | 2,436
SPC Power Corporation |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [8] | Power generation |  |
Location |  | PHILIPPINES | [8] | Philippines |  |
Percentage of ownership |  | 38.00% | [8] | 38.00% |  |
Acquisition cost |  | ₩ 20,635 | [8] | ₩ 20,635 |  |
The fair value of associates |  | 134,814 |  | 203,589 |  |
Book value |  | ₩ 70,868 | [8] | ₩ 65,046 |  | 69,912
Gemeng International Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | CHINA |  | China |  |
Percentage of ownership |  | 34.00% |  | 34.00% |  |
Acquisition cost |  | ₩ 413,153 |  | ₩ 413,153 |  |
Book value |  | ₩ 578,821 |  | ₩ 595,218 |  | 679,708
PT. Cirebon Electric Power |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | INDONESIA |  | Indonesia |  |
Percentage of ownership |  | 27.50% |  | 27.50% |  |
Acquisition cost |  | ₩ 40,365 |  | ₩ 40,365 |  |
Book value |  | ₩ 135,114 |  | ₩ 121,969 |  | 117,811
KNOC Nigerian East Oil Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Resources development | [9] | Resources development | [10] |
Location |  | NIGERIA | [9] | Nigeria | [10] |
Percentage of ownership |  | 14.63% | [9] | 14.63% | [10] |
Acquisition cost |  | ₩ 12 | [9] | ₩ 12 | [10] |
Book value |  | ₩ 0 | [9] | ₩ 0 | [10] | 0
KNOC Nigerian West Oil Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Resources development | [9] | Resources development | [10] |
Location |  | NIGERIA | [9] | Nigeria | [10] |
Percentage of ownership |  | 14.63% | [9] | 14.63% | [10] |
Acquisition cost |  | ₩ 12 | [9] | ₩ 12 | [10] |
Book value |  | ₩ 0 | [9] | ₩ 0 | [10] | 0
PT Wampu Electric Power |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | INDONESIA |  | Indonesia |  |
Percentage of ownership |  | 46.00% |  | 46.00% |  |
Acquisition cost |  | ₩ 21,292 |  | ₩ 21,292 |  |
Book value |  | ₩ 37,743 |  | ₩ 35,077 |  | 27,865
PT. Bayan Resources TBK |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Resources development |  | Resources development |  |
Location |  | INDONESIA |  | Indonesia |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 615,860 |  | ₩ 615,860 |  |
The fair value of associates |  | 1,132,601 |  | 1,495,801 |  |
Book value |  | ₩ 684,719 |  | ₩ 661,289 |  | 425,234
S-Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 49.00% |  | 49.00% |  |
Acquisition cost |  | ₩ 132,300 |  | ₩ 132,300 |  |
Book value |  | ₩ 141,128 |  | ₩ 122,786 |  | 110,292
Pioneer Gas Power Limited |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | INDIA |  | India |  |
Percentage of ownership |  | 38.50% |  | 38.50% |  |
Acquisition cost |  | ₩ 49,831 |  | ₩ 49,831 |  |
Book value |  | 0 |  | 0 |  | 0
Unrecognized equity interest |  | 19,248 |  | 21,691 |  |
Accumulated unrecognized equity interest |  | ₩ 56,877 |  | ₩ 37,629 |  |
Eurasia Energy Holdings |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation and resources development |  | Power generation and resources development |  |
Location |  | RUSSIA |  | Russia |  |
Percentage of ownership |  | 40.00% |  | 40.00% |  |
Acquisition cost |  | ₩ 461 |  | ₩ 461 |  |
Book value |  | 0 |  | 0 |  | 0
Unrecognized equity interest |  | 13 |  | 15 |  |
Accumulated unrecognized equity interest |  | ₩ 203 |  | ₩ 190 |  |
Xe-Pian Xe-Namnoy Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | LAOS |  | Laos |  |
Percentage of ownership |  | 25.00% |  | 25.00% |  |
Acquisition cost |  | ₩ 87,426 |  | ₩ 87,426 |  |
Book value |  | ₩ 115,584 |  | ₩ 92,441 |  | 64,570
PT. Mutiara Jawa |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Manufacturing and operating floating coal terminal |  | Manufacturing and operating floating coal terminal |  |
Location |  | INDONESIA |  | Indonesia |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 2,978 |  | ₩ 2,978 |  |
Book value |  | ₩ 3,597 |  | ₩ 2,569 |  | 1,780
Samcheok Eco Materials Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities | [11] | Recycling fly ashes |  | Recycling fly ashes |  |
Location | [11] | KOREA |  | Korea |  |
Percentage of ownership | [11] | 2.35% |  | 2.35% |  |
Acquisition cost | [11] | ₩ 686 |  | ₩ 686 |  |
Book value |  | ₩ 0 | [11] | ₩ 0 | [11] | 0
Noeul Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 1,740 |  | ₩ 1,740 |  |
Book value |  | 0 |  | 3,808 |  | 4,197
Unrecognized equity interest |  | 5,470 |  | 0 |  |
Accumulated unrecognized equity interest |  | 5,470 |  | 0 |  |
Naepo Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | 7,209 |  | 5,469 |  |
Accumulated unrecognized equity interest |  | ₩ 14,956 |  | ₩ 7,747 |  |
Goseong Green Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 262,740 |  | ₩ 262,740 |  |
Book value |  | ₩ 288,893 |  | ₩ 260,858 |  | 2,186
Gangneung Eco Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [3] | Power generation | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 1.61% | [3] | 1.61% | [4] |
Acquisition cost |  | ₩ 2,900 | [3] | ₩ 2,900 | [4] |
Book value |  | 0 | [3] | 2,288 | [4] | 2,368
Unrecognized equity interest |  | 14 |  | 0 |  |
Accumulated unrecognized equity interest |  | ₩ 14 |  | ₩ 0 |  |
Shin Pyeongtaek Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 40.00% |  | 40.00% |  |
Acquisition cost |  | ₩ 72,000 |  | ₩ 72,000 |  |
Book value |  | ₩ 133,823 |  | ₩ 93,074 |  | 69,591
Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 28.00% |  | 28.00% |  |
Acquisition cost |  | ₩ 194 |  | ₩ 194 |  |
Book value |  | ₩ 278 |  | ₩ 223 |  | 210
Dongducheon Dream Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities | [12] | Power generation |  | Power generation |  |
Location | [12] | KOREA |  | Korea |  |
Percentage of ownership | [12] | 33.61% |  | 33.61% |  |
Acquisition cost | [12] | ₩ 148,105 |  | ₩ 148,105 |  |
Book value |  | ₩ 89,300 | [12] | ₩ 74,198 | [12] | 80,637
Jinbhuvish Power Generation Pvt. Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [3] | Power generation | [4] |
Location |  | INDIA | [3] | India | [4] |
Percentage of ownership |  | 5.16% | [3] | 5.16% | [4] |
Acquisition cost |  | ₩ 9,000 | [3] | ₩ 9,000 | [4] |
Book value |  | ₩ 0 | [3] | ₩ 0 | [4] | 0
Daejung Offshore Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 46.59% |  | 46.59% |  |
Acquisition cost |  | ₩ 5,190 |  | ₩ 5,190 |  |
Book value |  | ₩ 1,555 |  | ₩ 1,704 |  | 2,165
GS Donghae Electric Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 34.00% |  | 34.00% |  |
Acquisition cost |  | ₩ 204,000 |  | ₩ 204,000 |  |
Book value |  | ₩ 260,145 |  | ₩ 243,772 |  | 244,426
Daegu Photovoltaic Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 1,230 |  | ₩ 1,230 |  |
Book value |  | ₩ 2,849 |  | ₩ 2,342 |  | 2,066
Busan Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 5,243 |  | ₩ 5,243 |  |
Book value |  | ₩ 4,395 |  | ₩ 5,032 |  | 8,778
Gunsan Bio Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [3] | Power generation | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 18.87% | [3] | 18.87% | [4] |
Acquisition cost |  | ₩ 1,000 | [3] | ₩ 1,000 | [4] |
Book value |  | 0 | [3] | 0 | [4] | 0
Unrecognized equity interest |  | 122 |  | 282 |  |
Accumulated unrecognized equity interest |  | 3,986 |  | ₩ 3,864 |  |
Korea Electric Vehicle Charging Service |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities | [4] |  |  | Electric vehicle charge service |  |
Location | [4] |  |  | Korea |  |
Percentage of ownership | [4] |  |  | 17.50% |  |
Acquisition cost | [4] |  |  | ₩ 2,800 |  |
Book value |  | ₩ 0 |  | ₩ 1,250 | [4] | 576
Hansuwon KNP Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Electric material agency |  | Electric material agency |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 28.98% |  | 28.98% |  |
Acquisition cost |  | ₩ 537 |  | ₩ 537 |  |
Book value |  | ₩ 280 |  | ₩ 219 |  |
Korea Electric Power Corporation Fund |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Developing electric enterprises | [13] | Developing electric enterprises | [14] |
Location |  | KOREA | [13] | Korea | [14] |
Percentage of ownership |  | 98.09% | [13] | 98.09% | [14] |
Acquisition cost |  | ₩ 23,113 | [13] | ₩ 48,410 | [14] |
Book value |  | ₩ 28,842 | [13] | ₩ 47,983 | [14] | 41,926
Energy Infra Asset Management Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Asset management | [3] | Asset management | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 9.90% | [3] | 9.90% | [4] |
Acquisition cost |  | ₩ 297 | [3] | ₩ 297 | [4] |
Book value |  | ₩ 1,184 | [3] | ₩ 1,066 | [4] | 938
Daegu clean Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Renewable power generation |  | Renewable power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 28.00% |  | 28.00% |  |
Acquisition cost |  | ₩ 140 |  | ₩ 140 |  |
Book value |  | ₩ 12 |  | ₩ 12 |  | 12
YaksuESS Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Installing ESS related equipment |  | Installing ESS related equipment |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 210 |  | ₩ 210 |  |
Book value |  | ₩ 486 |  | ₩ 716 |  | 454
Nepal Water & Energy Development Company Private Limited |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Construction and operation of utility plant | [15] | Construction and operation of utility plant | [16] |
Location |  | NEPAL | [15] | Nepal | [16] |
Percentage of ownership |  | 69.06% | [15] | 69.06% | [16] |
Acquisition cost |  | ₩ 70,228 | [15] | ₩ 70,228 | [16] |
Book value |  | ₩ 69,940 | [15] | ₩ 66,333 | [16] | 42,677
Gwangyang Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 26,800 |  | ₩ 26,800 |  |
Book value |  | ₩ 25,044 |  | ₩ 25,466 |  | 926
PND Solar Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 1,250 |  | ₩ 1,250 |  |
Book value |  | ₩ 1,403 |  | ₩ 1,229 |  | 1,149
Hyundai Eco Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [3] | Power generation | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 19.00% | [3] | 19.00% | [4] |
Acquisition cost |  | ₩ 3,610 | [3] | ₩ 3,610 | [4] |
Book value |  | ₩ 7,631 | [3] | ₩ 5,572 | [4] | 4,250
YeongGwang Yaksu Wind Electric Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [3] | Power generation | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 9.63% | [3] | 9.63% | [4] |
Acquisition cost |  | ₩ 533 | [3] | ₩ 533 | [4] |
Book value |  | ₩ 156 | [3] | ₩ 233 | [4] | 312
Green Energy Electricity Generation Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 1,189 |  | ₩ 1,189 |  |
Book value |  | ₩ 1,571 |  | ₩ 1,713 |  | 25
Korea Energy Solutions Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  | R & D |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 300 |  | ₩ 300 |  |
Book value |  | ₩ 93 |  | ₩ 123 |  | 197
ITR Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  | R & D |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 50 |  | ₩ 50 |  |
Book value |  | 0 |  | 32 |  | 40
Unrecognized equity interest |  | 5 |  | 0 |  |
Accumulated unrecognized equity interest |  | ₩ 5 |  | ₩ 0 |  |
Structure test network Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Technical testing and consulting |  | Technical testing and consulting |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 25 |  | ₩ 25 |  |
Book value |  | ₩ 366 |  | ₩ 306 |  | 27
Namjeongsusang Solar Power Operation Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [17] | Power generation | [18] |
Location |  | KOREA | [17] | Korea | [18] |
Percentage of ownership |  | 15.00% | [17] | 15.00% | [18] |
Acquisition cost |  | ₩ 969 | [17] | ₩ 969 | [18] |
Book value |  | ₩ 373 | [17] | ₩ 361 | [18] | 103
Indeck Niles Development, LLC |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation | [19] |
Location |  | USA |  | USA | [19] |
Percentage of ownership |  | 50.00% |  | 56.25% | [19] |
Acquisition cost |  | ₩ 263,825 |  | ₩ 268,113 | [19] |
Book value |  | ₩ 302,038 |  | ₩ 246,273 | [19] | 20,627
Indeck Niles Asset Management, LLC |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | USA |  | USA |  |
Percentage of ownership |  | 33.33% |  | 33.33% |  |
Acquisition cost |  | ₩ 0 |  | ₩ 0 |  |
Book value |  | ₩ 94 |  | ₩ 111 |  | 101
Hanwha Corporation-linked Sunlight Power Special Private Equity Investment Trust No. 1 |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Holding company |  | Holding company |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 49.00% |  | 49.00% |  |
Acquisition cost |  | ₩ 6,910 |  | ₩ 7,112 |  |
Book value |  | ₩ 6,932 |  | ₩ 7,138 |  | 7,326
Suwon New Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 39.90% |  | 39.90% |  |
Acquisition cost |  | ₩ 798 |  | ₩ 798 |  |
Book value |  | 919 |  | ₩ 1,035 |  | 1,054
KPGE Inc. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  |  |  | Power generation materials business |  |
Location |  |  |  | Korea |  |
Percentage of ownership |  |  |  | 29.00% |  |
Acquisition cost |  |  |  | ₩ 287 |  |
Book value |  | ₩ 0 |  | ₩ 309 |  | 287
Gwangbaek Solar Power Investment Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 44.00% |  | 44.00% |  |
Acquisition cost |  | ₩ 4,757 |  | ₩ 4,757 |  |
Book value |  | ₩ 5,133 |  | ₩ 4,806 |  | 4,682
Go deok Clean Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Fuel cell generation |  | Fuel cell generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 40.00% |  | 40.00% |  |
Acquisition cost |  | ₩ 5,560 |  | ₩ 5,560 |  |
Book value |  | ₩ 4,420 |  | ₩ 4,302 |  |
SureDataLab Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  | R & D |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 23.95% |  | 23.95% |  |
Acquisition cost |  | ₩ 126 |  | ₩ 126 |  |
Book value |  | ₩ 177 |  | ₩ 128 |  | 85
SEP Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  | R & D |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 21.26% |  | 21.26% |  |
Acquisition cost |  | ₩ 27 |  | ₩ 27 |  |
Book value |  | 0 |  | 7 |  | 14
Unrecognized equity interest |  | 14 |  | 0 |  |
Accumulated unrecognized equity interest |  | ₩ 14 |  | ₩ 0 |  |
Hankook Electric Power Information Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D | [20] | R & D |  |
Location |  | KOREA | [20] | Korea |  |
Percentage of ownership |  | 16.49% | [20] | 25.25% |  |
Acquisition cost |  | ₩ 38 | [20] | ₩ 38 |  |
Book value |  | ₩ 220 | [20] | ₩ 161 |  | 139
Tronix Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D | [20] | R & D |  |
Location |  | KOREA | [20] | Korea |  |
Percentage of ownership |  | 12.50% | [20] | 20.00% |  |
Acquisition cost |  | ₩ 75 | [20] | ₩ 75 |  |
Book value |  | ₩ 66 | [20] | ₩ 109 |  | 119
O2&B Global Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  | R & D |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 25 |  | ₩ 25 |  |
Book value |  | ₩ 36 |  | ₩ 35 |  | 22
Muan Sunshine Solar Power Plant Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 1,570 |  | ₩ 1,570 |  |
Book value |  | ₩ 2,562 |  | ₩ 1,268 |  | 1,096
Bigeum Resident Photovoltaic Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.90% |  | 29.90% |  |
Acquisition cost |  | ₩ 1 |  | ₩ 1 |  |
Book value |  | 0 |  | 0 |  | 0
Unrecognized equity interest |  | 162 |  | 182 |  |
Accumulated unrecognized equity interest |  | ₩ 460 |  | ₩ 298 |  |
Goesan Solar Park Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.00% |  | 29.00% |  |
Acquisition cost |  | ₩ 1,276 |  | ₩ 1,276 |  |
Book value |  | ₩ 2,591 |  | ₩ 1,927 |  | 1,684
Saemangeum Heemang Photovoltaic Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 35.00% |  | 35.00% |  |
Acquisition cost |  | ₩ 11,022 |  | ₩ 11,022 |  |
Book value |  | ₩ 13,010 |  | ₩ 10,238 |  | 11,022
Bitgoel Eco Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 49.25% |  | 29.00% |  |
Acquisition cost |  | ₩ 7,880 |  | ₩ 4,640 |  |
Book value |  | ₩ 8,951 |  | ₩ 4,356 |  | 29
Jeju Gimnyeong Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 30.00% |  | 30.00% |  |
Acquisition cost |  | ₩ 714 |  | ₩ 714 |  |
Book value |  | ₩ 872 |  | ₩ 911 |  | 1,578
Seoroseoro Sunny Power Plant Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 42.58% |  | 42.58% |  |
Acquisition cost |  | ₩ 706 |  | ₩ 706 |  |
Book value |  | ₩ 859 |  | ₩ 721 |  | 230
Muan Solar Park Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 4,400 |  | ₩ 4,400 |  |
Book value |  | ₩ 7,838 |  | ₩ 6,083 |  | 4,180
YuDang Solar Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 360 |  | ₩ 360 |  |
Book value |  | ₩ 586 |  | ₩ 565 |  | 360
Anjwa Smart Farm & Solar City Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 5,651 |  | ₩ 5,651 |  |
Book value |  | ₩ 8,662 |  | ₩ 6,784 |  | 5,510
Daewon Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 25.36% |  | 25.36% |  |
Acquisition cost |  | ₩ 3,910 |  | ₩ 3,910 |  |
Book value |  | 4,485 |  | 3,877 |  | 3,910
Samcheok Eco Materials Co., Ltd |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | 344 |  | (323) |  |
Accumulated unrecognized equity interest |  | ₩ 806 |  | ₩ 462 |  |
G.GURU Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  | R & D |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 24.65% |  | 24.65% |  |
Acquisition cost |  | ₩ 493 |  | ₩ 493 |  |
Book value |  | ₩ 300 |  | ₩ 403 |  |
UD4M Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D | [21] | R & D | [4] |
Location |  | KOREA | [21] | Korea | [4] |
Percentage of ownership |  | 12.50% | [21] | 12.50% | [4] |
Acquisition cost |  | ₩ 75 | [21] | ₩ 75 | [4] |
Book value |  | ₩ 161 | [21] | ₩ 144 | [4] |
Dongbu Highway Solar Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 190 |  | ₩ 190 |  |
Book value |  | ₩ 352 |  | ₩ 265 |  |
Seobu Highway Solar Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 20.00% |  | 20.00% |  |
Acquisition cost |  | ₩ 195 |  | ₩ 195 |  |
Book value |  | ₩ 316 |  | ₩ 289 |  |
Korea Energy Data Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  | R & D |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 29.37% |  | 29.37% |  |
Acquisition cost |  | ₩ 60 |  | ₩ 60 |  |
Book value |  | ₩ 62 |  | ₩ 62 |  | 0
Gangneung Sacheon Fuel Cell Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation | [14] |
Location |  | KOREA |  | Korea | [14] |
Percentage of ownership |  | 41.00% |  | 65.00% | [14] |
Acquisition cost |  | ₩ 5,695 |  | ₩ 1,950 | [14] |
Book value |  | ₩ 4,277 |  | ₩ 1,878 | [14] |
KOSTURE Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Coal recycling business | [3] | Coal recycling business | [4] |
Location |  | KOREA | [3] | Korea | [4] |
Percentage of ownership |  | 0.82% | [3] | 0.26% | [4] |
Acquisition cost |  | ₩ 1 | [3] | ₩ 0 | [4] |
Book value |  | 1 | [3] | ₩ 0 | [4] |
Digital Innovation Growth Fund |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities | [14] |  |  | Holding company |  |
Location | [14] |  |  | Korea |  |
Percentage of ownership | [14] |  |  | 76.92% |  |
Acquisition cost | [14] |  |  | ₩ 10,000 |  |
Book value |  | ₩ 0 |  | ₩ 9,890 | [14] | 0
Taebaek Gadeoksan Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation | [22] |
Location |  | KOREA |  | Korea | [22] |
Percentage of ownership |  | 34.00% |  | 39.65% | [22] |
Acquisition cost |  | ₩ 12,570 |  | ₩ 12,570 | [22] |
Book value |  | ₩ 20,040 |  | ₩ 16,495 | [22] | 0
Chuncheon Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation | [14] |
Location |  | KOREA |  | Korea | [14] |
Percentage of ownership |  | 45.00% |  | 68.00% | [14] |
Acquisition cost |  | ₩ 9,540 |  | ₩ 3,400 | [14] |
Book value |  | ₩ 9,155 |  | ₩ 3,372 | [14] | 0
Yeomsubong Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [23] | Power generation |  |
Location |  | KOREA | [23] | Korea |  |
Percentage of ownership |  | 3.81% | [23] | 48.72% |  |
Acquisition cost |  | ₩ 95 | [23] | ₩ 95 |  |
Book value |  | ₩ 62 | [23] | ₩ 95 |  | 0
Yeongyang Wind Power Corporation II |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 30.00% |  | 30.00% |  |
Acquisition cost |  | ₩ 7,965 |  | ₩ 7,965 |  |
Book value |  | ₩ 7,461 |  | ₩ 7,965 |  | 0
Haeparang Energy Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  | Power generation |  |
Location |  | KOREA |  | Korea |  |
Percentage of ownership |  | 25.00% |  | 25.00% |  |
Acquisition cost |  | ₩ 2,241 |  | ₩ 2,241 |  |
Book value |  | ₩ 2,188 |  | ₩ 2,241 |  | 0
Saemangeum Sebit Power Plant Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation | [24] | Power generation | [14] |
Location |  | KOREA | [24] | Korea | [14] |
Percentage of ownership |  | 63.33% | [24] | 69.55% | [14] |
Acquisition cost |  | ₩ 13,788 | [24] | ₩ 6,000 | [14] |
Book value |  | 23,199 | [24] | 6,000 | [14] | ₩ 0
Nghi Son 2 Power LLC |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | (18,940) |  | (114,340) |  |
Accumulated unrecognized equity interest |  | 0 |  | 18,940 |  |
Barakah One Company |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | 51,137 |  | (26,502) |  |
Accumulated unrecognized equity interest |  | 93,973 |  | 42,836 |  |
Incheon New Power Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | (163) |  | (31) |  |
Accumulated unrecognized equity interest |  | 0 |  | 163 |  |
KAPES, Inc. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | (355) |  | 317 |  |
Accumulated unrecognized equity interest |  | 3,160 |  | 3,515 |  |
Chester Solar IV SpA |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | (21) |  | 21 |  |
Accumulated unrecognized equity interest |  | ₩ 0 |  | 21 |  |
Boulder Solar III, LLC |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  |  |  |
Location |  | USA |  |  |  |
Percentage of ownership |  | 30.00% |  |  |  |
Acquisition cost |  | ₩ 715 |  |  |  |
Book value |  | ₩ 744 |  |  |  |
PlatformN. Co., Ltd. |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  |  |  |
Location |  | KOREA |  |  |  |
Percentage of ownership |  | 29.58% |  |  |  |
Acquisition cost |  | ₩ 105 |  |  |  |
Book value |  | ₩ 84 |  |  |  |
PT. Cirebon Energi Prasarana |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities | [17] | Power generation |  |  |  |
Location | [17] | INDONESIA |  |  |  |
Percentage of ownership | [17] | 10.00% |  |  |  |
Acquisition cost | [17] | ₩ 26,710 |  |  |  |
Book value |  | ₩ 69,035 | [17] | 0 |  |
Green Radiation Co., Ltd |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities | [20] | R & D |  |  |  |
Location | [20] | KOREA |  |  |  |
Percentage of ownership | [20] | 10.00% |  |  |  |
Acquisition cost | [20] | ₩ 20 |  |  |  |
Book value | [20] | ₩ 11 |  |  |  |
Future Convergence Technology Laboratory. Co., Ltd |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  |  |  |
Location |  | KOREA |  |  |  |
Percentage of ownership |  | 20.12% |  |  |  |
Acquisition cost |  | ₩ 76 |  |  |  |
Book value |  | ₩ 50 |  |  |  |
SC E&G. Co,. Ltd |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  |  |  |
Location |  | KOREA |  |  |  |
Percentage of ownership |  | 20.00% |  |  |  |
Acquisition cost |  | ₩ 90 |  |  |  |
Book value |  | ₩ 214 |  | 0 |  |
Wang San Engineering. Co,. Ltd |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  |  |  |
Location |  | KOREA |  |  |  |
Percentage of ownership |  | 20.00% |  |  |  |
Acquisition cost |  | ₩ 81 |  |  |  |
Book value |  | ₩ 166 |  | 0 |  |
ACE |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | R & D |  |  |  |
Location |  | KOREA |  |  |  |
Percentage of ownership |  | 20.00% |  |  |  |
Acquisition cost |  | ₩ 20 |  |  |  |
Book value |  | ₩ 20 |  | 0 |  |
Environment and Energy Co., Ltd |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities | [20] | R & D |  |  |  |
Location | [20] | KOREA |  |  |  |
Percentage of ownership | [20] | 10.54% |  |  |  |
Acquisition cost | [20] | ₩ 11 |  |  |  |
Book value |  | ₩ 10 | [20] | 0 |  |
Santiago Solar Power SpA |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  |  |  |
Location |  | CHILE |  |  |  |
Percentage of ownership |  | 50.00% |  |  |  |
Acquisition cost |  | ₩ 13,851 |  |  |  |
Book value |  | ₩ 13,373 |  | 0 |  |
Yanggu Floating Photovoltaic Power Plant Inc |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Key operation activities |  | Power generation |  |  |  |
Location |  | KOREA |  |  |  |
Percentage of ownership |  | 29.00% |  |  |  |
Acquisition cost |  | ₩ 904 |  |  |  |
Book value |  | 903 |  |  |  |
International Offshore Power Transmission Holding Company Limited [Member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Unrecognized equity interest |  | 23,378 |  | 0 |  |
Accumulated unrecognized equity interest |  | ₩ 23,378 |  | ₩ 0 |  |
[1] | Due to changes in equity, the nominal and effective percentage of ownership are 20.47%.
[2] | The Company is planning to sell its investments in YTN Co., Ltd. based on the resolution of the Board of Directors on November 23, 2022, but investments in YTN Co., Ltd. are not classified as assets held-for-sale as the Company hasn’t started the active selling procedures as of December 31, 2022.
[3] | The effective percentage of ownership is less than 20%. However, the Group can exercise significant influence by virtue of its contractual right to appoint directors to the board of directors of the entity, and by strict decision criteria of the Group’s financial and operating policy of the board of directors.
[4] | The effective percentage of ownership is less than 20%. However, the Company can exercise significant influence by virtue of its contractual right to appoint directors to the board of directors of the entity, and by strict decision criteria of the Company’s financial and operating policy of the board of directors.
[5] | The effective percentage of ownership is 100%. However, the Government regulates the Group’s ability to make operating and financial decisions over the entity, as the Government requires maintaining arms-length transactions between KPX and the Group’s other subsidiaries. Accordingly, the entity is not classified as a consolidated subsidiary. The Group can exercise significant influence by virtue of right to nominate directors to the board of directors of the entity.
[6] | The effective percentage of ownership is 100%. However, the Government regulates the Company’s ability to make operating and financial decisions over the entity, as the Government requires maintaining arms-length transactions between KPX and the Company’s other subsidiaries. Accordingly, the entity is not classified as a consolidated subsidiary. The Company can exercise significant influence by virtue of right to nominate directors to the board of directors of the entity.
[7] | After addtional acquisition of the shares, the effective percentage of ownership is more than 50%. However, the Group does not hold control over relevant business while it exercises significant influence by participating in the board of directors by the shareholders’ agreement. Accordingly, the entity is classified as an associate.
[8] | The Company is planning to sell its investment in SPC Power Corporation, KEPCO SPC Power Corporation, KV Holdings, Inc. and time or proceeds of sales are not specified as of December 31, 2022.
[9] | The effective percentage of ownership is less than 20%. However, the Group can exercise significant influence by virtue of its contractual right to appoint one out of four members of the steering committee of the entity. Moreover, the Group has significant financial transactions, which can affect its significant influence on the entity.
[10] | The effective percentage of ownership is less than 20%. However, the Company can exercise significant influence by virtue of its contractual right to appoint one out of four members of the steering committee of the entity. Moreover, the Company has significant financial transactions, which can affect its significant influence on the entity.
[11] | Although the nominal percentage of ownership is 2.35%, the effective percentage of ownership is 25.54%, considering redeemable convertible preferred stock as a liability component.
[12] | The effective percentage of ownership is 34.01% considering the conversion of redeemable convertible preferred stock into ordinary stock.
[13] | The effective percentage of ownership is more than 50% but the Group does not hold control over relevant business while it exercises significant influence by participating in the Investment Decision Committee. Accordingly, the entity is classified as an associate.
[14] | The effective percentage of ownership is more than 50% but the Company does not hold control over relevant business while it exercises significant influence by participating in the Investment Decision Committee. Accordingly, the entity is classified as an associate.
[15] | The effective percentage of ownership is more than 50% but the Group does not hold control over the entity according to the shareholders’ agreement. Accordingly, the entity is classified as an associate.
[16] | The effective percentage of ownership is more than 50% but the Company does not hold control over the entity according to the shareholders’ agreement. Accordingly, the entity is classified as an associate.
[17] | The effective percentage of ownership is less than 20%. However, the entity is classified as an associate because the Group excercises significant influence over the decisions related to finance and operation.
[18] | The effective percentage of ownership is less than 20%. However, the Company considers the major decision-making body to be the general decision of the board of directors, and the general decision of the board of directors can be passed only by two directors of Namjeongsusang Solar Power Operation Co., Ltd. Accordingly, the entity is classified as an associate.
[19] | According to the shareholders’ agreement, additional investment of 50% of total stake is agreed by March 2022.
[20] | The effective percentage of ownership is less than 20%. However, the entity is classified as an associate because the Group excercises significant influence over the entity.
[21] | The effective percentage of ownership is 14.29% due to the acquisition of treasury stocks. The effective percentage of ownership is less than 20%. However, the Group excercises significant influence over the decisions related to finance and operation by virtue of right to nominate directors to the board of directors of the entity.
[22] | The percentage of ownership decreased due to the unequal capital increase. The entity was reclassified from a joint venture to an associate, due to the changes in voting rights.
[23] | The effective percentage of ownership decreased due to the disproportionate paid-in capital increase, and the effective percentage of ownership is less than 20%. However, the Group excercises significant influence over all decisions related to finance and operation.
[24] | The effective percentage of ownership decreased due to the disproportionate paid-in capital increase during the year ended December 31, 2022. The effective percentage of ownership is more than 50% but the Group does not hold control over relevant business while it exercises significant influence by participating in the Investment Decision Committee. Accordingly, the entity is classified as an associate.

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