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Investments in Associates 3 (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of associates [line items] |  |  |
Total assets | ₩ 246,807,795 | ₩ 239,714,965 |
Total liabilities | 205,444,962 | 202,450,215 |
Sales | 92,578,265 | 87,476,410 | ₩ 70,546,024
Profit (loss) for the period | 3,621,968 | (4,716,144) | ₩ (24,429,108)
Korea Gas Corporation |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 57,669,638 | 57,254,666 |
Total liabilities | 46,843,282 | 47,428,628 |
Sales | 38,388,740 | 44,555,995 |
Profit (loss) for the period | 1,148,985 | (747,428) |
Korea Electric Power Industrial Development Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 213,423 | 174,788 |
Total liabilities | 109,367 | 73,065 |
Sales | 361,690 | 354,850 |
Profit (loss) for the period | 14,587 | 21,170 |
YTN Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 352,188 |
Total liabilities |  | 108,108 |
Sales |  | 130,450 |
Profit (loss) for the period |  | (3,616) |
Gangwon Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 123,787 | 83,062 |
Total liabilities | 46,156 | 3,380 |
Sales | 23,400 | 32,525 |
Profit (loss) for the period | 7,415 | 14,098 |
Hyundai Green Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 698,653 | 738,107 |
Total liabilities | 295,095 | 330,616 |
Sales | 109,081 | 107,367 |
Profit (loss) for the period | 9,354 | 7,446 |
Korea Power Exchange |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 365,652 | 366,092 |
Total liabilities | 91,690 | 91,806 |
Sales | 120,586 | 119,182 |
Profit (loss) for the period | 1,795 | 4,443 |
Taebaek Guinemi Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 35,917 | 42,243 |
Total liabilities | 19,831 | 26,200 |
Sales | 5,155 | 5,529 |
Profit (loss) for the period | 213 | 716 |
Daeryun Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,117,771 | 1,120,453 |
Total liabilities | 651,892 | 716,752 |
Sales | 397,332 | 451,527 |
Profit (loss) for the period | 61,893 | 4,043 |
KNH Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 8,110 | 12,142 |
Total liabilities | 93 | 314 |
Sales | 2,671 | 3,535 |
Profit (loss) for the period | 2,359 | 1,394 |
SPC Power Corporation |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 301,805 | 287,249 |
Total liabilities | 18,716 | 28,485 |
Sales | 72,191 | 106,926 |
Profit (loss) for the period | 35,657 | 27,946 |
Gemeng International Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 8,301,632 | 7,507,274 |
Total liabilities | 5,803,020 | 5,189,729 |
Sales | 2,907,291 | 2,963,614 |
Profit (loss) for the period | (66,765) | 33,580 |
PT. Cirebon Electric Power |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 742,634 | 665,365 |
Total liabilities | 169,796 | 177,150 |
Sales | 281,041 | 265,054 |
Profit (loss) for the period | 15,070 | 27,341 |
KNOC Nigerian East Oil Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 30,834 | 27,029 |
Total liabilities | 127,760 | 112,017 |
Sales | 0 | 0 |
Profit (loss) for the period | (31) | (50) |
KNOC Nigerian West Oil Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 33,230 | 29,157 |
Total liabilities | 122,351 | 107,300 |
Sales | 0 | 0 |
Profit (loss) for the period | (31) | (50) |
PT Wampu Electric Power |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 209,724 | 206,943 |
Total liabilities | 124,358 | 131,823 |
Sales | 19,146 | 20,155 |
Profit (loss) for the period | 7,598 | (582) |
PT. Bayan Resources TBK |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,338,900 | 4,447,335 |
Total liabilities | 2,100,603 | 2,018,870 |
Sales | 4,700,051 | 4,675,174 |
Profit (loss) for the period | 1,285,816 | 1,670,522 |
S-Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 739,732 | 762,398 |
Total liabilities | 369,429 | 427,807 |
Sales | 734,607 | 1,012,050 |
Profit (loss) for the period | 35,889 | 44,730 |
Pioneer Gas Power Limited |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 274,693 |
Total liabilities |  | 532,005 |
Sales |  | 551 |
Profit (loss) for the period |  | (49,745) |
Xe-Pian Xe-Namnoy Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,414,921 | 1,370,110 |
Total liabilities | 979,112 | 900,713 |
Sales | 182,433 | 171,978 |
Profit (loss) for the period | (81,032) | (5,674) |
PT. Mutiara Jawa |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 28,266 | 27,296 |
Total liabilities | 8,489 | 9,474 |
Sales | 13,455 | 16,160 |
Profit (loss) for the period | 4,094 | 7,999 |
Samcheok Eco Materials Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 22,544 |
Total liabilities |  | 39,895 |
Sales |  | 8,028 |
Profit (loss) for the period |  | (1,776) |
Noeul Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 95,570 | 89,861 |
Total liabilities | 108,793 | 107,834 |
Sales | 47,999 | 24,017 |
Profit (loss) for the period | 4,787 | 920 |
Goseong Green Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,129,641 | 5,374,233 |
Total liabilities | 4,125,053 | 4,372,531 |
Sales | 1,310,775 | 1,580,545 |
Profit (loss) for the period | 2,823 | 152 |
Gangneung Eco Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,359,845 | 5,381,984 |
Total liabilities | 4,667,564 | 4,665,083 |
Sales | 635,026 | 1,419,436 |
Profit (loss) for the period | (10,547) | (7,388) |
Shin Pyeongtaek Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,052,048 | 1,222,968 |
Total liabilities | 678,140 | 832,633 |
Sales | 841,818 | 1,040,219 |
Profit (loss) for the period | 58,855 | 201,635 |
Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,666 | 1,618 |
Total liabilities | 385 | 573 |
Sales | 476 | 575 |
Profit (loss) for the period | 135 | 82 |
Dongducheon Dream Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,350,004 | 1,337,529 |
Total liabilities | 1,044,020 | 1,042,681 |
Sales | 1,360,809 | 1,744,247 |
Profit (loss) for the period | 10,453 | (8,608) |
Jinbhuvish Power Generation Pvt. Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 67,903 | 61,227 |
Total liabilities | 14,023 | 12,644 |
Sales | 0 | 0 |
Profit (loss) for the period | 0 | 0 |
Daejung Offshore Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,419 | 5,277 |
Total liabilities | 2,220 | 2,094 |
Sales | 0 | 0 |
Profit (loss) for the period | 53 | (145) |
GS Donghae Electric Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,910,960 | 1,932,098 |
Total liabilities | 1,089,101 | 1,170,085 |
Sales | 535,012 | 876,826 |
Profit (loss) for the period | 59,776 | 62,471 |
Daegu Photovoltaic Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 11,767 | 14,140 |
Total liabilities | 3,025 | 4,471 |
Sales | 3,805 | 4,225 |
Profit (loss) for the period | 908 | 1,772 |
Busan Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 142,943 | 160,299 |
Total liabilities | 134,894 | 149,060 |
Sales | 66,924 | 69,108 |
Profit (loss) for the period | (3,140) | (3,920) |
Hansuwon KNP Co., Ltd. (formerly, Korea Nuclear Partners Co., Ltd.) |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 4,324 | 3,063 |
Total liabilities | 1,444 | 899 |
Sales | 7,949 | 7,618 |
Profit (loss) for the period | 716 | 645 |
Korea Electric Power Corporation Fund |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 13,676 | 23,981 |
Total liabilities | 67 | 108 |
Sales | 1,880 | 332 |
Profit (loss) for the period | 488 | (2,921) |
Energy Infra Asset Management Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 14,037 | 13,628 |
Total liabilities | 1,229 | 1,371 |
Sales | 5,003 | 5,130 |
Profit (loss) for the period | 1,450 | 1,254 |
Daegu clean Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 368 |
Total liabilities |  | 324 |
Sales |  | 0 |
Profit (loss) for the period |  | (1) |
Yaksu ESS Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,295 | 5,697 |
Total liabilities | 4,738 | 4,717 |
Sales | 749 | 508 |
Profit (loss) for the period | (423) | (691) |
Nepal Water & Energy Development Company Private Limited |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 666,316 | 327,057 |
Total liabilities | 419,386 | 167,792 |
Sales | 123,848 | 82,720 |
Profit (loss) for the period | 10,732 | (3,186) |
Gwangyang Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 547,208 | 370,778 |
Total liabilities | 426,210 | 247,675 |
Sales | 0 | 0 |
Profit (loss) for the period | (2,105) | (2,034) |
PND Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 32,025 | 34,804 |
Total liabilities | 26,570 | 30,127 |
Sales | 5,331 | 5,413 |
Profit (loss) for the period | 737 | 373 |
Hyundai Eco Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 157,873 | 169,180 |
Total liabilities | 114,299 | 128,481 |
Sales | 25,081 | 26,266 |
Profit (loss) for the period | 5,963 | 7,206 |
YeongGwang Yaksu Wind Electric Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 36,659 | 38,720 |
Total liabilities | 37,065 | 38,173 |
Sales | 5,194 | 5,593 |
Profit (loss) for the period | (953) | (241) |
Green Energy Electricity Generation Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 81,798 | 69,667 |
Total liabilities | 85,848 | 72,325 |
Sales | 1,942 | 948 |
Profit (loss) for the period | (1,392) | (5,392) |
Korea Energy Solutions Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,303 | 1,151 |
Total liabilities | 318 | 303 |
Sales | 1,209 | 643 |
Profit (loss) for the period | 146 | 87 |
ITR Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 720 | 480 |
Total liabilities | 898 | 490 |
Sales | 130 | 144 |
Profit (loss) for the period | (510) | (234) |
STN Co., Ltd. (formerly, Structure test network Co., Ltd.) |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,870 | 1,818 |
Total liabilities | 99 | 127 |
Sales | 666 | 771 |
Profit (loss) for the period | 108 | 178 |
Indeck Niles Development, LLC |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,234,170 | 1,157,838 |
Total liabilities | 704,296 | 675,638 |
Sales | 284,855 | 318,392 |
Profit (loss) for the period | 32,491 | 64,813 |
Indeck Niles Asset Management, LLC |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 211 | 307 |
Total liabilities | 32 | 29 |
Sales | 1,157 | 1,081 |
Profit (loss) for the period | 1,120 | 1,001 |
Hanwha Corporation-linked Sunlight Power Special Private Equity Investment Trust No. 1 |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 12,665 | 13,444 |
Total liabilities | 178 | 186 |
Sales | 722 | 820 |
Profit (loss) for the period | 689 | 747 |
Suwon New Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 15,427 | 3,448 |
Total liabilities | 13,338 | 1,130 |
Sales | 5,072 | 2,318 |
Profit (loss) for the period | (229) | 341 |
Gwangbaek Solar Power Investment Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 260,641 | 287,838 |
Total liabilities | 249,642 | 276,840 |
Sales | 9,658 | 11,267 |
Profit (loss) for the period | 1,188 | 1,513 |
Go deok Clean Energy Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 130,520 | 139,352 |
Total liabilities | 117,267 | 127,545 |
Sales | 49,187 | 22,671 |
Profit (loss) for the period | 1,465 | 2,426 |
SureDataLab Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 660 | 890 |
Total liabilities | 461 | 416 |
Sales | 675 | 548 |
Profit (loss) for the period | (291) | (263) |
SEP Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 45 | 45 |
Total liabilities | 118 | 117 |
Sales | 0 | 0 |
Profit (loss) for the period | (1) | (7) |
Hankook Electric Power Information Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 2,381 | 2,270 |
Total liabilities | 991 | 974 |
Sales | 2,135 | 1,672 |
Profit (loss) for the period | 58 | 223 |
Tronix Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 4,824 | 4,564 |
Total liabilities | 3,659 | 2,807 |
Sales | 2,578 | 2,718 |
Profit (loss) for the period | 42 | 578 |
O2&B Global Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 453 | 369 |
Total liabilities | 485 | 264 |
Sales | 149 | 242 |
Profit (loss) for the period | (104) | (73) |
Muan Sunshine Solar Power Plant Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 128,131 | 136,382 |
Total liabilities | 116,742 | 124,745 |
Sales | 16,246 | 16,360 |
Profit (loss) for the period | 2,552 | 2,999 |
Bigeum Resident Photovoltaic Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 441,227 | 303,462 |
Total liabilities | 412,276 | 309,185 |
Sales | 10,812 | 0 |
Profit (loss) for the period | (6,845) | (3,031) |
Goesan Solar Park Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 48,924 | 50,659 |
Total liabilities | 38,119 | 40,738 |
Sales | 6,143 | 6,530 |
Profit (loss) for the period | 884 | 985 |
Saemangeum Heemang Photovoltaic Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 149,528 | 152,496 |
Total liabilities | 105,535 | 113,407 |
Sales | 22,600 | 23,448 |
Profit (loss) for the period | 4,049 | 4,063 |
Bitgoel Eco Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 79,709 | 85,571 |
Total liabilities | 51,776 | 60,302 |
Sales | 28,110 | 29,907 |
Profit (loss) for the period | 6,064 | 7,019 |
Jeju Gimnyeong Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 53,335 | 56,906 |
Total liabilities | 52,503 | 56,087 |
Sales | 10,889 | 9,261 |
Profit (loss) for the period | 13 | (2,088) |
Seoroseoro Sunny Power Plant Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 6,680 | 6,813 |
Total liabilities | 4,309 | 4,650 |
Sales | 1,035 | 1,039 |
Profit (loss) for the period | 208 | 193 |
Muan Solar park Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 188,303 | 204,168 |
Total liabilities | 158,595 | 171,642 |
Sales | 27,641 | 31,532 |
Profit (loss) for the period | 5,152 | 8,648 |
YuDang Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 18,321 | 20,566 |
Total liabilities | 15,238 | 17,717 |
Sales | 3,506 | 3,483 |
Profit (loss) for the period | 589 | 420 |
Anjwa Smart Farm & Solar City Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 237,359 | 258,076 |
Total liabilities | 199,954 | 223,831 |
Sales | 36,948 | 37,742 |
Profit (loss) for the period | 3,530 | 3,119 |
KPE Green Energy Co., Ltd. (formerly, Daewon Green Energy Co., Ltd.) |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 135,307 | 143,157 |
Total liabilities | 103,023 | 112,651 |
Sales | 41,289 | 58,423 |
Profit (loss) for the period | 2,131 | 13,407 |
G.GURU Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 273 | 818 |
Total liabilities | 133 | 142 |
Sales | 103 | 162 |
Profit (loss) for the period | (535) | (540) |
UD4M Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,076 | 1,242 |
Total liabilities | 227 | 194 |
Sales | 1,142 | 1,066 |
Profit (loss) for the period | (170) | (59) |
Dongbu Highway Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 16,139 | 16,563 |
Total liabilities | 13,833 | 14,913 |
Sales | 2,665 | 2,580 |
Profit (loss) for the period | 656 | 140 |
Seobu Highway Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 16,323 | 16,739 |
Total liabilities | 13,428 | 14,707 |
Sales | 2,737 | 2,646 |
Profit (loss) for the period | 863 | 451 |
Korea Energy Data Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 212 | 313 |
Total liabilities | 134 | 191 |
Sales | 167 | 348 |
Profit (loss) for the period | (104) | (87) |
Gangneung Sacheon Fuel Cell Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 148,460 | 138,761 |
Total liabilities | 125,975 | 119,779 |
Sales | 45,534 | 23,523 |
Profit (loss) for the period | 5,768 | 9,191 |
KOSTURE Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 196 |
Total liabilities |  | 22 |
Sales |  | 208 |
Profit (loss) for the period |  | 16 |
Taebaek Gadeoksan Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 187,927 | 196,810 |
Total liabilities | 120,551 | 139,675 |
Sales | 32,534 | 35,000 |
Profit (loss) for the period | 15,536 | 13,138 |
Chuncheon Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 234,506 | 217,335 |
Total liabilities | 195,354 | 197,676 |
Sales | 68,010 | 6,052 |
Profit (loss) for the period | 11,494 | (497) |
Yeomsubong Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 45,468 | 32,742 |
Total liabilities | 44,236 | 30,586 |
Sales | 0 | 0 |
Profit (loss) for the period | (924) | (1,753) |
Yeongyang Wind Power Corporation II |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 136,360 | 133,053 |
Total liabilities | 105,721 | 106,419 |
Sales | 18,376 | 15,190 |
Profit (loss) for the period | 4,005 | 8,797 |
Haeparang Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 63,749 | 40,698 |
Total liabilities | 56,030 | 32,359 |
Sales | 758 | 0 |
Profit (loss) for the period | (620) | (335) |
Saemangeum Sebit Power Plant Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 160,225 | 165,283 |
Total liabilities | 93,086 | 97,997 |
Sales | 20,376 | 22,663 |
Profit (loss) for the period | (147) | (812) |
Boulder Solar III, LLC |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 1,929 |
Total liabilities |  | 0 |
Sales |  | 0 |
Profit (loss) for the period |  | 0 |
PlatformN. Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 162 | 184 |
Total liabilities | 223 | 394 |
Sales | 430 | 404 |
Profit (loss) for the period | 139 | (566) |
PT. Cirebon Energi Prasarana |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 3,831,992 | 3,372,539 |
Total liabilities | 2,863,534 | 2,606,566 |
Sales | 543,340 | 434,806 |
Profit (loss) for the period | 60,512 | 73,285 |
Green Radiation Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 521 | 1,038 |
Total liabilities | 663 | 812 |
Sales | 613 | 298 |
Profit (loss) for the period | (272) | 100 |
Future Convergence Technology Laboratory. Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 384 | 479 |
Total liabilities | 277 | 302 |
Sales | 0 | 0 |
Profit (loss) for the period | (83) | (70) |
Eco Motion Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,830 | 1,664 |
Total liabilities | 684 | 329 |
Sales | 350 | 633 |
Profit (loss) for the period | 82 | 372 |
REC's Innovation Co., Ltd. (formerly, Wang San Engineering. Co,. Ltd.) |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 2,921 | 1,801 |
Total liabilities | 1,518 | 1,081 |
Sales | 1,010 | 856 |
Profit (loss) for the period | 232 | 0 |
ACE |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 359 | 385 |
Total liabilities | 308 | 348 |
Sales | 27 | 53 |
Profit (loss) for the period | 14 | (30) |
Environment and Energy Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 31 | 89 |
Total liabilities | 0 | 0 |
Sales | 0 | 0 |
Profit (loss) for the period | (36) | (4) |
Santiago Solar Power SpA |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 85,063 | 88,687 |
Total liabilities | 71,139 | 65,149 |
Sales | 4,862 | 0 |
Profit (loss) for the period | (9,488) | (2,994) |
Yanggu Floating Photovoltaic Power Plant Inc |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 15,300 | 17,092 |
Total liabilities | 12,382 | 14,470 |
Sales | 2,259 | 135 |
Profit (loss) for the period | 210 | (495) |
Power Embedded |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 400 | 298 |
Total liabilities | 112 | 2 |
Sales | 0 | 0 |
Profit (loss) for the period | (7) | (2) |
Changwon SG Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 4,878 | 5,738 |
Total liabilities | 1,328 | 1,649 |
Sales | 3,342 | 436 |
Profit (loss) for the period | (539) | (703) |
Donpyung Technology. Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 2,205 | 2,039 |
Total liabilities | 673 | 643 |
Sales | 2,317 | 1,664 |
Profit (loss) for the period | 135 | 93 |
HORANG ENERGY Inc. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 94,637 | 64,736 |
Total liabilities | 85,678 | 54,923 |
Sales | 0 | 0 |
Profit (loss) for the period | (947) | (389) |
Hoenggye Renewable Energy Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 43,206 | 24,702 |
Total liabilities | 43,942 | 25,730 |
Sales | 0 | 0 |
Profit (loss) for the period | (62) | (4,864) |
Haman Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 122,937 | 40,801 |
Total liabilities | 114,908 | 32,285 |
Sales | 0 | 0 |
Profit (loss) for the period | (1,165) | (5,116) |
Songsan Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 120,001 | 46,016 |
Total liabilities | 106,939 | 32,262 |
Sales | 121 | 0 |
Profit (loss) for the period | (692) | ₩ (100) |
SkyPic Inc. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 167 |  |
Total liabilities | 37 |  |
Sales | 3 |  |
Profit (loss) for the period | (7) |  |
HyChangwon Fuel Cell. Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 114,580 |  |
Total liabilities | 91,679 |  |
Sales | 0 |  |
Profit (loss) for the period | (309) |  |
Dreams Co.,Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 233 |  |
Total liabilities | 183 |  |
Sales | 208 |  |
Profit (loss) for the period | (49) |  |
DEEPAI Co.,Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 813 |  |
Total liabilities | 449 |  |
Sales | 240 |  |
Profit (loss) for the period | (319) |  |
Amaala Sustainable Company for Energy LLC |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 697,354 |  |
Total liabilities | 697,158 |  |
Sales | 0 |  |
Profit (loss) for the period | ₩ 0 |  |

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