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Investments in Associates 3 (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of associates [line items] |  |  |
Total assets | ₩ 239,714,965 | ₩ 234,804,994 |
Total liabilities | 202,450,215 | 192,804,738 |
Sales | 87,476,410 | 70,546,024 | ₩ 60,012,375
Profit (loss) for the period | (4,716,144) | (24,429,108) | ₩ (5,215,581)
Korea Gas Corporation |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 57,254,666 | 62,424,983 |
Total liabilities | 47,428,628 | 52,014,243 |
Sales | 44,555,995 | 51,724,287 |
Profit (loss) for the period | (747,428) | 1,497,008 |
Korea Electric Power Industrial Development Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 174,788 | 148,112 |
Total liabilities | 73,065 | 40,946 |
Sales | 354,850 | 336,333 |
Profit (loss) for the period | 21,170 | 15,434 |
YTN Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 352,188 | 364,115 |
Total liabilities | 108,108 | 107,324 |
Sales | 130,450 | 152,187 |
Profit (loss) for the period | (3,616) | 7,250 |
Gangwon Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 83,062 | 86,758 |
Total liabilities | 3,380 | 6,029 |
Sales | 32,525 | 40,130 |
Profit (loss) for the period | 14,098 | 20,163 |
Hyundai Green Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 738,107 | 773,998 |
Total liabilities | 330,616 | 360,926 |
Sales | 107,367 | 105,374 |
Profit (loss) for the period | 7,446 | 5,010 |
Korea Power Exchange |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 366,092 | 311,691 |
Total liabilities | 91,806 | 36,564 |
Sales | 119,182 | 118,501 |
Profit (loss) for the period | 4,443 | 1,036 |
Taebaek Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 27,562 |
Total liabilities |  | 3,394 |
Sales |  | 7,565 |
Profit (loss) for the period |  | 551 |
Taebaek Guinemi Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 42,243 | 44,036 |
Total liabilities | 26,200 | 28,709 |
Sales | 5,529 | 6,793 |
Profit (loss) for the period | 716 | 1,906 |
Daeryun Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,120,453 | 1,201,510 |
Total liabilities | 716,752 | 799,370 |
Sales | 451,527 | 472,211 |
Profit (loss) for the period | 4,043 | 4,999 |
KNH Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 12,142 | 13,584 |
Total liabilities | 314 | 2,905 |
Sales | 3,535 | 4,348 |
Profit (loss) for the period | 1,394 | 2,173 |
SPC Power Corporation |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 287,249 | 254,951 |
Total liabilities | 28,485 | 26,417 |
Sales | 106,926 | 80,630 |
Profit (loss) for the period | 27,946 | 25,614 |
Gemeng International Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 7,507,274 | 7,796,180 |
Total liabilities | 5,189,729 | 5,460,183 |
Sales | 2,963,614 | 3,183,398 |
Profit (loss) for the period | 33,580 | 11,637 |
PT. Cirebon Electric Power |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 665,365 | 691,311 |
Total liabilities | 177,150 | 199,987 |
Sales | 265,054 | 287,261 |
Profit (loss) for the period | 27,341 | 53,730 |
KNOC Nigerian East Oil Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 27,029 | 26,491 |
Total liabilities | 112,017 | 109,974 |
Sales | 0 | 0 |
Profit (loss) for the period | (50) | (72) |
KNOC Nigerian West Oil Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 29,157 | 28,537 |
Total liabilities | 107,300 | 105,292 |
Sales | 0 | 0 |
Profit (loss) for the period | (50) | (72) |
PT Wampu Electric Power |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 206,943 | 209,815 |
Total liabilities | 131,823 | 127,764 |
Sales | 20,155 | 21,773 |
Profit (loss) for the period | (582) | 12,713 |
PT. Bayan Resources TBK |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 4,447,335 | 4,994,538 |
Total liabilities | 2,018,870 | 2,518,129 |
Sales | 4,675,174 | 6,076,844 |
Profit (loss) for the period | 1,670,522 | 3,042,123 |
S-Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 762,398 | 937,067 |
Total liabilities | 427,807 | 646,411 |
Sales | 1,012,050 | 1,091,425 |
Profit (loss) for the period | 44,730 | 37,104 |
Pioneer Gas Power Limited |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 274,693 | 271,340 |
Total liabilities | 532,005 | 477,127 |
Sales | 551 | 0 |
Profit (loss) for the period | (49,745) | (46,290) |
Eurasia Energy Holdings |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 648 |
Total liabilities |  | 1,156 |
Sales |  | 0 |
Profit (loss) for the period |  | 0 |
Xe-Pian Xe-Namnoy Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,370,110 | 1,371,292 |
Total liabilities | 900,713 | 904,907 |
Sales | 171,978 | 174,693 |
Profit (loss) for the period | (5,674) | 61,020 |
PT. Mutiara Jawa |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 27,296 | 26,024 |
Total liabilities | 9,474 | 13,622 |
Sales | 16,160 | 15,421 |
Profit (loss) for the period | 7,999 | 4,912 |
Samcheok Eco Materials Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 22,544 | 24,952 |
Total liabilities | 39,895 | 1,609 |
Sales | 8,028 | 11,907 |
Profit (loss) for the period | (1,776) | (1,127) |
Noeul Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 89,861 | 82,611 |
Total liabilities | 107,834 | 101,472 |
Sales | 24,017 | 23,493 |
Profit (loss) for the period | 920 | (31,970) |
Goseong Green Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,374,233 | 5,518,258 |
Total liabilities | 4,372,531 | 4,516,607 |
Sales | 1,580,545 | 1,999,825 |
Profit (loss) for the period | 152 | 26,981 |
Gangneung Eco Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,381,984 | 4,907,872 |
Total liabilities | 4,665,083 | 4,900,408 |
Sales | 1,419,436 | 435,755 |
Profit (loss) for the period | (7,388) | (142,387) |
Shin Pyeongtaek Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,222,968 | 1,203,406 |
Total liabilities | 832,633 | 839,568 |
Sales | 1,040,219 | 957,062 |
Profit (loss) for the period | 201,635 | 100,554 |
Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,618 | 1,788 |
Total liabilities | 573 | 802 |
Sales | 575 | 558 |
Profit (loss) for the period | 82 | 200 |
Dongducheon Dream Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,337,529 | 1,521,089 |
Total liabilities | 1,042,681 | 1,219,018 |
Sales | 1,744,247 | 2,240,175 |
Profit (loss) for the period | (8,608) | 43,072 |
Jinbhuvish Power Generation Pvt. Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 61,227 | 60,477 |
Total liabilities | 12,644 | 12,489 |
Sales | 0 | 0 |
Profit (loss) for the period | 0 | 0 |
Daejung Offshore Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,277 | 5,350 |
Total liabilities | 2,094 | 2,013 |
Sales | 0 | 0 |
Profit (loss) for the period | (145) | (228) |
GS Donghae Electric Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,932,098 | 2,130,287 |
Total liabilities | 1,170,085 | 1,365,156 |
Sales | 876,826 | 1,053,112 |
Profit (loss) for the period | 62,471 | 46,226 |
Daegu Photovoltaic Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 14,140 | 13,254 |
Total liabilities | 4,471 | 3,431 |
Sales | 4,225 | 4,755 |
Profit (loss) for the period | 1,772 | 2,914 |
Busan Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 160,299 | 168,588 |
Total liabilities | 149,060 | 153,432 |
Sales | 69,108 | 72,290 |
Profit (loss) for the period | (3,920) | (7,409) |
Gunsan Bio Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 8,397 |
Total liabilities |  | 29,524 |
Sales |  | 0 |
Profit (loss) for the period |  | (649) |
Hansuwon KNP Co., Ltd. (formerly, Korea Nuclear Partners Co., Ltd.) |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 3,063 | 1,887 |
Total liabilities | 899 | 368 |
Sales | 7,618 | 2,149 |
Profit (loss) for the period | 645 | 210 |
Korea Electric Power Corporation Fund |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 23,981 | 29,530 |
Total liabilities | 108 | 130 |
Sales | 332 | 8,034 |
Profit (loss) for the period | (2,921) | 7,854 |
Energy Infra Asset Management Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 13,628 | 12,874 |
Total liabilities | 1,371 | 918 |
Sales | 5,130 | 4,954 |
Profit (loss) for the period | 1,254 | 1,354 |
Daegu clean Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 368 | 368 |
Total liabilities | 324 | 324 |
Sales | 0 | 0 |
Profit (loss) for the period | (1) | (1) |
Yaksu ESS Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,697 | 5,984 |
Total liabilities | 4,717 | 4,314 |
Sales | 508 | 851 |
Profit (loss) for the period | (691) | (146) |
Nepal Water & Energy Development Company Private Limited |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 327,057 | 241,061 |
Total liabilities | 167,792 | 141,199 |
Sales | 82,720 | 70,923 |
Profit (loss) for the period | (3,186) | (1,364) |
Gwangyang Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 370,778 | 170,390 |
Total liabilities | 247,675 | 45,260 |
Sales | 0 | 0 |
Profit (loss) for the period | (2,034) | (1,923) |
PND Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 34,804 | 36,174 |
Total liabilities | 30,127 | 31,868 |
Sales | 5,413 | 5,940 |
Profit (loss) for the period | 373 | 217 |
Hyundai Eco Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 169,180 | 181,566 |
Total liabilities | 128,481 | 142,533 |
Sales | 26,266 | 29,209 |
Profit (loss) for the period | 7,206 | 10,270 |
YeongGwang Yaksu Wind Electric Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 38,720 | 40,712 |
Total liabilities | 38,173 | 39,924 |
Sales | 5,593 | 6,628 |
Profit (loss) for the period | (241) | 1,480 |
Green Energy Electricity Generation Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 69,667 | 75,033 |
Total liabilities | 72,325 | 72,300 |
Sales | 948 | 1,404 |
Profit (loss) for the period | (5,392) | (488) |
Korea Energy Solutions Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,151 | 843 |
Total liabilities | 303 | 377 |
Sales | 643 | 437 |
Profit (loss) for the period | 87 | (185) |
ITR Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 480 | 446 |
Total liabilities | 490 | 472 |
Sales | 144 | 188 |
Profit (loss) for the period | (234) | (190) |
REC's Innovation Co., Ltd. (formerly, Wang San Engineering. Co,. Ltd.) |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,818 | 1,948 |
Total liabilities | 127 | 383 |
Sales | 771 | 732 |
Profit (loss) for the period | 178 | 202 |
Namjeongsusang Solar Power Operation Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets |  | 55,616 |
Total liabilities |  | 53,261 |
Sales |  | 7,724 |
Profit (loss) for the period |  | 83 |
Indeck Niles Development, LLC |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,157,838 | 1,178,303 |
Total liabilities | 675,638 | 762,139 |
Sales | 318,392 | 302,041 |
Profit (loss) for the period | 64,813 | (22,541) |
Indeck Niles Asset Management, LLC |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 307 | 299 |
Total liabilities | 29 | 16 |
Sales | 1,081 | 1,863 |
Profit (loss) for the period | 1,001 | 1,136 |
Hanwha Corporation-linked Sunlight Power Special Private Equity Investment Trust No. 1 |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 13,444 | 14,356 |
Total liabilities | 186 | 210 |
Sales | 820 | 826 |
Profit (loss) for the period | 747 | 796 |
Suwon New Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 3,448 | 2,142 |
Total liabilities | 1,130 | 164 |
Sales | 2,318 | 0 |
Profit (loss) for the period | 341 | 11 |
Gwangbaek Solar Power Investment Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 287,838 | 307,864 |
Total liabilities | 276,840 | 296,915 |
Sales | 11,267 | 10,270 |
Profit (loss) for the period | 1,513 | 743 |
Go deok Clean Energy Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 139,352 | 71,431 |
Total liabilities | 127,545 | 60,382 |
Sales | 22,671 | 0 |
Profit (loss) for the period | 2,426 | (1,101) |
SureDataLab Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 890 | 879 |
Total liabilities | 416 | 140 |
Sales | 548 | 938 |
Profit (loss) for the period | (263) | 203 |
SEP Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 45 | 38 |
Total liabilities | 117 | 103 |
Sales | 0 | 0 |
Profit (loss) for the period | (7) | (98) |
Hankook Electric Power Information Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 2,270 | 2,334 |
Total liabilities | 974 | 997 |
Sales | 1,672 | 1,797 |
Profit (loss) for the period | 223 | 392 |
Tronix Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 4,564 | 2,880 |
Total liabilities | 2,807 | 2,354 |
Sales | 2,718 | 1,938 |
Profit (loss) for the period | 578 | (226) |
O2&B Global Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 369 | 419 |
Total liabilities | 264 | 238 |
Sales | 242 | 220 |
Profit (loss) for the period | (73) | 5 |
Muan Sunshine Solar Power Plant Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 136,382 | 142,911 |
Total liabilities | 124,745 | 132,573 |
Sales | 16,360 | 19,591 |
Profit (loss) for the period | 2,999 | 6,467 |
Bigeum Resident Photovoltaic Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 303,462 | 107,690 |
Total liabilities | 309,185 | 109,229 |
Sales | 0 | 0 |
Profit (loss) for the period | (3,031) | (537) |
Goesan Solar Park Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 50,659 | 52,235 |
Total liabilities | 40,738 | 43,299 |
Sales | 6,530 | 7,642 |
Profit (loss) for the period | 985 | 2,292 |
Saemangeum Heemang Photovoltaic Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 152,496 | 160,695 |
Total liabilities | 113,407 | 125,635 |
Sales | 23,448 | 29,543 |
Profit (loss) for the period | 4,063 | 6,481 |
Bitgoel Eco Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 85,571 | 85,236 |
Total liabilities | 60,302 | 66,987 |
Sales | 29,907 | 10,054 |
Profit (loss) for the period | 7,019 | 3,229 |
Jeju Gimnyeong Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 56,906 | 63,471 |
Total liabilities | 56,087 | 60,564 |
Sales | 9,261 | 12,231 |
Profit (loss) for the period | (2,088) | (130) |
Seoroseoro Sunny Power Plant Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 6,813 | 7,015 |
Total liabilities | 4,650 | 5,045 |
Sales | 1,039 | 1,157 |
Profit (loss) for the period | 193 | 247 |
Muan Solar park Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 204,168 | 225,894 |
Total liabilities | 171,642 | 188,329 |
Sales | 31,532 | 36,081 |
Profit (loss) for the period | 8,648 | 11,339 |
YuDang Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 20,566 | 22,073 |
Total liabilities | 17,717 | 19,144 |
Sales | 3,483 | 3,997 |
Profit (loss) for the period | 420 | 957 |
Anjwa Smart Farm & Solar City Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 258,076 | 278,806 |
Total liabilities | 223,831 | 239,581 |
Sales | 37,742 | 42,477 |
Profit (loss) for the period | 3,119 | 9,672 |
Daewon Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 143,157 | 141,974 |
Total liabilities | 112,651 | 124,460 |
Sales | 58,423 | 45,095 |
Profit (loss) for the period | 13,407 | 4,037 |
G.GURU Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 818 | 1,228 |
Total liabilities | 142 | 12 |
Sales | 162 | 478 |
Profit (loss) for the period | (540) | (423) |
UD4M Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,242 | 1,322 |
Total liabilities | 194 | 197 |
Sales | 1,066 | 1,109 |
Profit (loss) for the period | (59) | 59 |
Dongbu Highway Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 16,563 | 17,935 |
Total liabilities | 14,913 | 16,426 |
Sales | 2,580 | 2,901 |
Profit (loss) for the period | 140 | 439 |
Seobu Highway Solar Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 16,739 | 18,236 |
Total liabilities | 14,707 | 16,655 |
Sales | 2,646 | 3,052 |
Profit (loss) for the period | 451 | 138 |
Korea Energy Data Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 313 | 339 |
Total liabilities | 191 | 128 |
Sales | 348 | 308 |
Profit (loss) for the period | (87) | 5 |
Gangneung Sacheon Fuel Cell Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 138,761 | 108,688 |
Total liabilities | 119,779 | 98,470 |
Sales | 23,523 | 0 |
Profit (loss) for the period | 9,191 | (2,720) |
KOSTURE Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 196 | 180 |
Total liabilities | 22 | 24 |
Sales | 208 | 293 |
Profit (loss) for the period | 16 | 32 |
Taebaek Gadeoksan Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 196,810 | 197,944 |
Total liabilities | 139,675 | 139,004 |
Sales | 35,000 | 31,534 |
Profit (loss) for the period | 13,138 | 19,406 |
Chuncheon Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 217,335 | 159,151 |
Total liabilities | 197,676 | 138,925 |
Sales | 6,052 | 0 |
Profit (loss) for the period | (497) | (858) |
Yeomsubong Wind Power Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 32,742 | 4,369 |
Total liabilities | 30,586 | 2,829 |
Sales | 0 | 0 |
Profit (loss) for the period | (1,753) | (859) |
Yeongyang Wind Power Corporation II |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 133,053 | 104,821 |
Total liabilities | 106,419 | 86,984 |
Sales | 15,190 | 0 |
Profit (loss) for the period | 8,797 | (1,678) |
Haeparang Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 40,698 | 19,394 |
Total liabilities | 32,359 | 10,721 |
Sales | 0 | 0 |
Profit (loss) for the period | (335) | (211) |
Saemangeum Sebit Power Plant Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 165,283 | 167,822 |
Total liabilities | 97,997 | 131,383 |
Sales | 22,663 | 23,159 |
Profit (loss) for the period | (812) | 7,742 |
Boulder Solar III, LLC |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,929 | 1,896 |
Total liabilities | 0 | 0 |
Sales | 0 | 0 |
Profit (loss) for the period | 0 | 0 |
PlatformN. Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 184 | 379 |
Total liabilities | 394 | 94 |
Sales | 404 | 486 |
Profit (loss) for the period | (566) | (70) |
PT. Cirebon Energi Prasarana |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 3,372,539 | 3,361,288 |
Total liabilities | 2,606,566 | 2,670,941 |
Sales | 434,806 | 319,986 |
Profit (loss) for the period | 73,285 | 36,451 |
Green Radiation Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,038 | 111 |
Total liabilities | 812 | 34 |
Sales | 298 | 89 |
Profit (loss) for the period | 100 | (93) |
Future Convergence Technology Laboratory. Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 479 | 551 |
Total liabilities | 302 | 302 |
Sales | 0 | 9 |
Profit (loss) for the period | (70) | (130) |
SC E&G. Co,. Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,664 | 1,199 |
Total liabilities | 329 | 131 |
Sales | 633 | 1,048 |
Profit (loss) for the period | 372 | 609 |
STN Co., Ltd. (formerly, Structure test network Co., Ltd.) |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 1,801 | 1,275 |
Total liabilities | 1,081 | 447 |
Sales | 856 | 754 |
Profit (loss) for the period | 0 | 499 |
ACE |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 385 | 100 |
Total liabilities | 348 | 0 |
Sales | 53 | 0 |
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Environment and Energy Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 89 | 93 |
Total liabilities | 0 | 0 |
Sales | 0 | 0 |
Profit (loss) for the period | (4) | (7) |
Santiago Solar Power SpA |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 88,687 | 56,138 |
Total liabilities | 65,149 | 29,390 |
Sales | 0 | 0 |
Profit (loss) for the period | (2,994) | (2,943) |
Yanggu Floating Photovoltaic Power Plant Inc |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 17,092 | 3,115 |
Total liabilities | 14,470 | 0 |
Sales | 135 | 0 |
Profit (loss) for the period | (495) | ₩ 0 |
Power Embedded |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 298 |  |
Total liabilities | 2 |  |
Sales | 0 |  |
Profit (loss) for the period | (2) |  |
Changwon SG Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 5,738 |  |
Total liabilities | 1,649 |  |
Sales | 436 |  |
Profit (loss) for the period | (703) |  |
Donpyung Technology. Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 2,039 |  |
Total liabilities | 643 |  |
Sales | 1,664 |  |
Profit (loss) for the period | 93 |  |
HORANG ENERGY Inc. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 64,736 |  |
Total liabilities | 54,923 |  |
Sales | 0 |  |
Profit (loss) for the period | (389) |  |
Hoenggye Renewable Energy Co., Ltd |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 24,702 |  |
Total liabilities | 25,730 |  |
Sales | 0 |  |
Profit (loss) for the period | (4,864) |  |
Haman Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 40,801 |  |
Total liabilities | 32,285 |  |
Sales | 0 |  |
Profit (loss) for the period | (5,116) |  |
Songsan Green Energy Co., Ltd. |  |  |
Disclosure of associates [line items] |  |  |
Total assets | 46,016 |  |
Total liabilities | 32,262 |  |
Sales | 0 |  |
Profit (loss) for the period | ₩ (100) |  |

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