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Consolidated Subsidiaries - Summary of Financial Information of Consolidated Subsidiaries (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure - Summary of financial information of consolidated subsidiaries [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 Hydro & Nuclear Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 72,508,359 |  | 70,535,018 |  |
Total liabilities |  | 47,082,862 |  | 45,660,916 |  |
Sales |  | 13,447,880 |  | 10,798,378 |  |
Profit (loss) for the period |  | 567,267 |  | 151,638 |  |
Korea South-East Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 13,203,109 |  | 13,158,245 |  |
Total liabilities |  | 6,447,903 |  | 6,964,695 |  |
Sales |  | 6,527,922 |  | 7,761,713 |  |
Profit (loss) for the period |  | 382,336 |  | 196,522 |  |
Korea Midland Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 14,849,596 |  | 15,309,205 |  |
Total liabilities |  | 9,513,087 |  | 10,368,698 |  |
Sales |  | 7,088,426 |  | 7,611,821 |  |
Profit (loss) for the period |  | 225,196 |  | (1,844) |  |
Korea Western Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 13,309,836 |  | 12,710,246 |  |
Total liabilities |  | 7,708,730 |  | 7,648,441 |  |
Sales |  | 6,193,922 |  | 6,915,233 |  |
Profit (loss) for the period |  | 361,725 |  | 126,519 |  |
Korea Southern Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 13,184,059 |  | 13,405,076 |  |
Total liabilities |  | 7,101,465 |  | 7,807,334 |  |
Sales |  | 6,430,487 |  | 7,298,989 |  |
Profit (loss) for the period |  | 311,530 |  | 226,811 |  |
Korea East-West Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 12,287,969 |  | 11,683,112 |  |
Total liabilities |  | 5,592,569 |  | 5,626,034 |  |
Sales |  | 5,322,832 |  | 5,571,885 |  |
Profit (loss) for the period |  | 467,885 |  | 139,013 |  |
KEPCO Engineering & Construction Company, Inc. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 945,384 |  | 854,704 |  |
Total liabilities |  | 367,910 |  | 307,396 |  |
Sales |  | 553,363 |  | 545,092 |  |
Profit (loss) for the period |  | 58,513 |  | 32,654 |  |
KEPCO Plant Service & Engineering Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,675,776 |  | 1,585,380 |  |
Total liabilities |  | 355,479 |  | 318,597 |  |
Sales |  | 1,534,269 |  | 1,523,031 |  |
Profit (loss) for the period |  | 170,967 |  | 161,849 |  |
KEPCO Nuclear Fuel Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,060,367 |  | 1,101,960 |  |
Total liabilities |  | 562,604 |  | 622,157 |  |
Sales |  | 397,595 |  | 284,066 |  |
Profit (loss) for the period |  | 48,061 |  | 43,533 |  |
KEPCO KDN Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 846,361 |  | 733,434 |  |
Total liabilities |  | 222,119 |  | 301,713 |  |
Sales |  | 781,646 |  | 738,833 |  |
Profit (loss) for the period |  | 215,791 |  | 65,495 |  |
KEPCO International HongKong Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 149,757 |  | 133,915 |  |
Total liabilities |  | 1,611 |  | 0 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 7,596 |  | 8,795 |  |
KEPCO International Philippines Inc. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 13,720 |  | 72,830 |  |
Total liabilities |  | 78 |  | 0 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 40,427 |  | 4,891 |  |
KEPCO Gansu International Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 8,233 |  | 7,226 |  |
Total liabilities |  | 693 |  | 608 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (5) |  | (23) |  |
KEPCO Philippines Holdings Inc. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 202,810 |  | 180,592 |  |
Total liabilities |  | 173 |  | 96 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 49,999 |  | 8,802 |  |
KEPCO Philippines Corporation |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 2,990 |  | 2,607 |  |
Total liabilities |  | 4 |  | 0 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 120 |  | 127 |  |
KEPCO Ilijan Corporation |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 58,752 |  | 142,711 |  |
Total liabilities |  | 615 |  | 800 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 4,549 |  | 3,718 |  |
KEPCO Neimenggu International Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 323,519 |  | 284,280 |  |
Total liabilities |  | 4,839 |  | 4,346 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 10,891 |  | 15,021 |  |
KEPCO Shanxi International Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 811,971 |  | 707,447 |  |
Total liabilities |  | 366,377 |  | 329,539 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 13,677 |  | (3,875) |  |
KOMIPO Global Pte Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 454,052 |  | 411,249 |  |
Total liabilities |  | 2,716 |  | 32,900 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 15,618 |  | 17,174 |  |
KEPCO Netherlands B.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 155,632 |  | 141,088 |  |
Total liabilities |  | 109 |  | 45 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 4,237 |  | 3,856 |  |
KEPCO Australia Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 226 |  | 749 |  |
Total liabilities |  | 0 |  | 34 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (4,017) |  | 131 |  |
KOSEP Australia Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 55,461 |  | 79,308 |  |
Total liabilities |  | 7,847 |  | 7,990 |  |
Sales |  | 31,935 |  | 29,675 |  |
Profit (loss) for the period |  | 10,139 |  | 10,665 |  |
KOMIPO Australia Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 94,760 |  | 86,077 |  |
Total liabilities |  | 3,214 |  | 4,014 |  |
Sales |  | 31,935 |  | 29,676 |  |
Profit (loss) for the period |  | 6,253 |  | 9,248 |  |
KOWEPO Australia Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 93,353 |  | 86,074 |  |
Total liabilities |  | 2,736 |  | 3,571 |  |
Sales |  | 31,935 |  | 29,675 |  |
Profit (loss) for the period |  | 4,978 |  | 9,001 |  |
KOSPO Australia Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 39,606 |  | 32,828 |  |
Total liabilities |  | 3,221 |  | 3,923 |  |
Sales |  | 31,935 |  | 29,675 |  |
Profit (loss) for the period |  | 8,768 |  | 10,329 |  |
KEPCO Middle East Holding Company |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 136,740 |  | 121,015 |  |
Total liabilities |  | 129,721 |  | 107,611 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (7,668) |  | (1,548) |  |
Qatrana Electric Power Company |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 554,387 |  | 491,627 |  |
Total liabilities |  | 207,773 |  | 208,707 |  |
Sales |  | 28,465 |  | 26,779 |  |
Profit (loss) for the period |  | 24,062 |  | 20,949 |  |
KHNP Canada Energy Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 180,220 |  | 155,242 |  |
Total liabilities |  | 20,431 |  | 12,379 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 506 |  | 392 |  |
KEPCO Bylong Australia Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 45,420 |  | 44,557 |  |
Total liabilities |  | 552,861 |  | 465,231 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (69,620) |  | (16,669) |  |
Korea Waterbury Uranium Limited Partnership |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 20,773 |  | 20,772 |  |
Total liabilities |  | 62 |  | 44 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (142) |  | (67) |  |
KEPCO Holdings de Mexico |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 670 |  | 1,171 |  |
Total liabilities |  | 3,025 |  | 2,621 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (1,032) |  | (121) |  |
KST Electric Power Company, S.A.P.I. de C.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 654,086 |  | 631,348 |  |
Total liabilities |  | 532,766 |  | 490,470 |  |
Sales |  | 67,656 |  | 93,843 |  |
Profit (loss) for the period |  | 24,713 |  | 19,657 |  |
KEPCO Energy Service Company |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 2,257 |  | 2,028 |  |
Total liabilities |  | 1,198 |  | 716 |  |
Sales |  | 9,361 |  | 10,193 |  |
Profit (loss) for the period |  | 146 |  | 251 |  |
KEPCO Netherlands S3 B.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 81,554 |  | 70,613 |  |
Total liabilities |  | 19,084 |  | 16,710 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 978 |  | 1,769 |  |
PT. KOMIPO Pembangkitan Jawa Bali |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 18,014 |  | 17,303 |  |
Total liabilities |  | 3,684 |  | 3,929 |  |
Sales |  | 21,567 |  | 23,639 |  |
Profit (loss) for the period |  | 969 |  | 1,579 |  |
PT. Cirebon Power Service |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 3,004 |  | 2,936 |  |
Total liabilities |  | 823 |  | 714 |  |
Sales |  | 10,515 |  | 9,457 |  |
Profit (loss) for the period |  | 586 |  | 672 |  |
KOWEPO International Corporation |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 0 |  | 0 |  |
Total liabilities |  | 11 |  | 10 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 0 |  | 0 |  |
KOSPO Jordan LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 36,620 |  | 19,387 |  |
Total liabilities |  | 22,271 |  | 3,881 |  |
Sales |  | 17,477 |  | 17,665 |  |
Profit (loss) for the period |  | 4,312 |  | 7,082 |  |
EWP America Inc. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 49,381 | [1] | 46,954 | [2] |
Total liabilities |  | 3,120 | [1] | 4,032 | [2] |
Sales |  | 14,888 | [1] | 14,549 | [2] |
Profit (loss) for the period |  | 332 | [1] | 895 | [2] |
KNF Canada Energy Limited |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 2,337 |  | 2,261 |  |
Total liabilities |  | 30 |  | 34 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (67) |  | (56) |  |
EWP Barbados 1 SRL |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 469,387 |  | 434,690 |  |
Total liabilities |  | 1,463 |  | 14,217 |  |
Sales |  | 0 |  | 2,448 |  |
Profit (loss) for the period |  | 28,937 |  | 36,566 |  |
Gyeonggi Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 160,060 |  | 180,176 |  |
Total liabilities |  | 226,650 |  | 214,822 |  |
Sales |  | 60,769 |  | 80,630 |  |
Profit (loss) for the period |  | (31,941) |  | (28,549) |  |
PT. Tanggamus Electric Power |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 232,963 |  | 214,892 |  |
Total liabilities |  | 155,119 |  | 150,483 |  |
Sales |  | 6,136 |  | 2,127 |  |
Profit (loss) for the period |  | 4,216 |  | (2,230) |  |
Gyeongju Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 87,987 |  | 90,616 |  |
Total liabilities |  | 41,547 |  | 49,982 |  |
Sales |  | 18,550 |  | 19,807 |  |
Profit (loss) for the period |  | 5,817 |  | 6,716 |  |
KOMIPO America Inc. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets | [3] | 633,218 |  | 579,403 |  |
Total liabilities | [3] | 328,237 |  | 318,295 |  |
Sales | [3] | 18,806 |  | 39,323 |  |
Profit (loss) for the period | [3] | 9,662 |  | 3,376 |  |
PT. EWP Indonesia |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 101,015 |  | 90,650 |  |
Total liabilities |  | 84 |  | 132 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 6,115 |  | 9,590 |  |
KEPCO Netherlands J3 B.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 174,130 |  | 153,324 |  |
Total liabilities |  | 15,748 |  | 13,634 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 7,378 |  | 15,289 |  |
Korea Offshore Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 336,687 |  | 334,444 |  |
Total liabilities |  | 131,463 |  | 143,827 |  |
Sales |  | 41,489 |  | 40,313 |  |
Profit (loss) for the period |  | 14,607 |  | 6,497 |  |
Global One Pioneer B.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 150 |  | 143 |  |
Total liabilities |  | 64 |  | 44 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (130) |  | (85) |  |
Global Energy Pioneer B.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 363 |  | 336 |  |
Total liabilities |  | 69 |  | 44 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (131) |  | (81) |  |
Mira Power Limited |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 443,556 |  | 403,843 |  |
Total liabilities |  | 332,629 |  | 318,557 |  |
Sales |  | 4,213 |  | 2,683 |  |
Profit (loss) for the period |  | 11,499 |  | (1,590) |  |
KOSEP Material Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 6,111 |  | 4,974 |  |
Total liabilities |  | 539 |  | 542 |  |
Sales |  | 5,016 |  | 4,834 |  |
Profit (loss) for the period |  | 1,108 |  | 908 |  |
Commerce and Industry Energy Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 65,954 |  | 73,671 |  |
Total liabilities |  | 25,841 |  | 29,611 |  |
Sales |  | 35,054 |  | 33,050 |  |
Profit (loss) for the period |  | (3,638) |  | (2,901) |  |
KEPCO KPS Philippines Corp. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 6,403 |  | 5,775 |  |
Total liabilities |  | 594 |  | 884 |  |
Sales |  | 7,372 |  | 4,608 |  |
Profit (loss) for the period |  | 422 |  | 97 |  |
KOSPO Chile SpA |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 186,200 |  | 166,643 |  |
Total liabilities |  | 83,705 |  | 75,619 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (1,185) |  | 0 |  |
PT. KOWEPO Sumsel Operation and Maintenance Services |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  |  |  | 26 |  |
Total liabilities |  |  |  | 260 |  |
Sales |  |  |  | 0 |  |
Profit (loss) for the period |  |  |  | 0 |  |
Hee Mang Sunlight Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 5,875 |  | 5,877 |  |
Total liabilities |  | 2,355 |  | 2,403 |  |
Sales |  | 567 |  | 689 |  |
Profit (loss) for the period |  | 46 |  | 202 |  |
Fujeij Wind Power Company |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 245,967 |  | 216,082 |  |
Total liabilities |  | 171,610 |  | 158,081 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 14,962 |  | 15,067 |  |
KOSPO Youngnam Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 371,946 |  | 360,026 |  |
Total liabilities |  | 257,626 |  | 255,761 |  |
Sales |  | 412,037 |  | 410,173 |  |
Profit (loss) for the period |  | 10,275 |  | (7,965) |  |
Chitose Solar Power Plant LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 93,435 |  | 98,911 |  |
Total liabilities |  | 78,709 |  | 84,228 |  |
Sales |  | 14,453 |  | 14,447 |  |
Profit (loss) for the period |  | 2,553 |  | 2,059 |  |
KEPCO Solar Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 240,555 |  | 246,273 |  |
Total liabilities |  | 29,240 |  | 36,127 |  |
Sales |  | 20,788 |  | 23,234 |  |
Profit (loss) for the period |  | 6,210 |  | 8,367 |  |
KOSPO Power Services Ltda. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 8,118 |  | 6,976 |  |
Total liabilities |  | 6,363 |  | 7,086 |  |
Sales |  | 17,005 |  | 17,634 |  |
Profit (loss) for the period |  | 1,924 |  | (211) |  |
Energy New Industry Specialized Investment Private Investment Trust |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets | [4] | 483,585 |  | 454,888 |  |
Total liabilities | [4] | 3,358 |  | 3,364 |  |
Sales | [4] | 0 |  | 24,030 |  |
Profit (loss) for the period | [4] | 22,608 |  | 10,812 |  |
KOEN Bylong Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 15 |  | 11 |  |
Total liabilities |  | 165 |  | 128 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (12) |  | 0 |  |
KOMIPO Bylong Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 15 |  | 13 |  |
Total liabilities |  | 172 |  | 147 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (17) |  | (20) |  |
KOWEPO Bylong Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 15 |  | 12 |  |
Total liabilities |  | 168 |  | 142 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (17) |  | (43) |  |
KOSPO Bylong Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 202 |  | 388 |  |
Total liabilities |  | 425 |  | 541 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (57) |  | (20) |  |
EWP Bylong Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 15 |  | 13 |  |
Total liabilities |  | 13 |  | 13 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 2 |  | 46 |  |
KOWEPO Lao International |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 17,335 |  | 13,038 |  |
Total liabilities |  | 2,247 |  | 223 |  |
Sales |  | 11,891 |  | 10,270 |  |
Profit (loss) for the period |  | 4,823 |  | 6,268 |  |
KEPCO Mangilao Holdings LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 99,669 |  | 90,445 |  |
Total liabilities |  | 52,732 |  | 41,898 |  |
Sales |  | 810 |  | 775 |  |
Profit (loss) for the period |  | (7,804) |  | 785 |  |
Mangilao Investment LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 224,646 |  | 206,714 |  |
Total liabilities |  | 18 |  | 15 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 0 |  | (1) |  |
KEPCO Mangilao Solar, LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 226,509 |  | 206,600 |  |
Total liabilities |  | 247 |  | 1,918 |  |
Sales |  | 16,907 |  | 13,593 |  |
Profit (loss) for the period |  | 3,634 |  | 826 |  |
Jeju Hanlim Offshore Wind Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 590,613 |  | 459,229 |  |
Total liabilities |  | 524,640 |  | 388,171 |  |
Sales |  | 10,872 |  | 0 |  |
Profit (loss) for the period |  | (5,067) |  | (3,032) |  |
PT. Siborpa Eco Power |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 13,877 |  | 12,209 |  |
Total liabilities |  | 3 |  | 3 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (38) |  | (52) |  |
PT. Korea Energy Indonesia |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 9,146 |  | 1,878 |  |
Total liabilities |  | 5,524 |  | 101 |  |
Sales |  | 4,550 |  | 1,897 |  |
Profit (loss) for the period |  | 1,171 |  | 132 |  |
KOLAT SpA |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 49,452 |  | 46,958 |  |
Total liabilities |  | 406 |  | 352 |  |
Sales |  | 2,880 |  | 2,237 |  |
Profit (loss) for the period |  | 1,090 |  | 1,820 |  |
KEPCO California, LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 52,627 |  | 46,606 |  |
Total liabilities |  | 7,464 |  | 6,823 |  |
Sales |  | 645 |  | 613 |  |
Profit (loss) for the period |  | (507) |  | (385) |  |
KEPCO Mojave Holdings, LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 101,912 |  | 93,233 |  |
Total liabilities |  | 90,646 |  | 78,328 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (3,950) |  | (3,901) |  |
Incheon Fuel Cell Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 249,022 |  | 259,169 |  |
Total liabilities |  | 233,049 |  | 237,409 |  |
Sales |  | 91,097 |  | 96,924 |  |
Profit (loss) for the period |  | (5,805) |  | (4,112) |  |
KOEN Service Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 10,072 |  | 11,470 |  |
Total liabilities |  | 7,186 |  | 8,745 |  |
Sales |  | 39,482 |  | 38,164 |  |
Profit (loss) for the period |  | 323 |  | 305 |  |
KOMIPO Service Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 8,123 |  | 7,944 |  |
Total liabilities |  | 4,728 |  | 4,777 |  |
Sales |  | 38,415 |  | 37,525 |  |
Profit (loss) for the period |  | 657 |  | 960 |  |
KOWEPO Service Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 8,422 |  | 10,300 |  |
Total liabilities |  | 6,678 |  | 6,584 |  |
Sales |  | 40,875 |  | 36,421 |  |
Profit (loss) for the period |  | 314 |  | 264 |  |
KOSPO Service Co., Ltd |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 7,199 |  | 6,122 |  |
Total liabilities |  | 4,593 |  | 4,182 |  |
Sales |  | 32,422 |  | 30,369 |  |
Profit (loss) for the period |  | 949 |  | 703 |  |
EWP Service Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 5,291 |  | 5,487 |  |
Total liabilities |  | 3,851 |  | 3,790 |  |
Sales |  | 27,101 |  | 26,767 |  |
Profit (loss) for the period |  | 27 |  | 176 |  |
PT. KOMIPO Energy Indonesia |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 5,177 |  | 2,983 |  |
Total liabilities |  | 1,273 |  | 250 |  |
Sales |  | 6,433 |  | 2,023 |  |
Profit (loss) for the period |  | 874 |  | 38 |  |
KNF Partners Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 2,875 |  | 2,589 |  |
Total liabilities |  | 1,182 |  | 1,106 |  |
Sales |  | 6,700 |  | 6,380 |  |
Profit (loss) for the period |  | 286 |  | 340 |  |
KOSPO USA Inc. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 725,984 |  | 378,732 |  |
Total liabilities |  | 321 |  | 377 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (6,099) |  | (6,351) |  |
KOSPO Niles LLC (formerly, Nambu USA LLC) |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 326,651 |  | 297,370 |  |
Total liabilities |  | 51 |  | 230 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 9,947 |  | (732) |  |
Tamra Offshore Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 112,747 |  | 120,460 |  |
Total liabilities |  | 74,809 |  | 83,161 |  |
Sales |  | 19,937 |  | 18,570 |  |
Profit (loss) for the period |  | 1,551 |  | 1,089 |  |
KEPCO MCS Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 94,305 |  | 111,189 |  |
Total liabilities |  | 67,881 |  | 73,940 |  |
Sales |  | 292,011 |  | 307,146 |  |
Profit (loss) for the period |  | (9,033) |  | (4,757) |  |
KEPCO FMS Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 16,330 |  | 21,310 |  |
Total liabilities |  | 18,815 |  | 18,142 |  |
Sales |  | 108,560 |  | 107,336 |  |
Profit (loss) for the period |  | 1,126 |  | 1,895 |  |
Firstkeepers Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 24,800 |  | 18,698 |  |
Total liabilities |  | 13,930 |  | 12,437 |  |
Sales |  | 95,836 |  | 90,575 |  |
Profit (loss) for the period |  | 4,546 |  | 2,689 |  |
Secutec Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 17,416 |  | 16,038 |  |
Total liabilities |  | 11,980 |  | 11,797 |  |
Sales |  | 78,011 |  | 72,284 |  |
Profit (loss) for the period |  | 1,968 |  | 699 |  |
SE Green Energy Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 126,012 |  | 147,251 |  |
Total liabilities |  | 93,330 |  | 114,737 |  |
Sales |  | 41,251 |  | 40,326 |  |
Profit (loss) for the period |  | 178 |  | (1,305) |  |
Mangilao Intermediate Holdings LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 230,079 |  | 206,771 |  |
Total liabilities |  | 126,833 |  | 114,954 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (1,277) |  | (5,293) |  |
KEPCO CSC Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 17,430 |  | 15,985 |  |
Total liabilities |  | 11,516 |  | 12,170 |  |
Sales |  | 49,443 |  | 49,502 |  |
Profit (loss) for the period |  | 2,944 |  | 2,644 |  |
KOAK Power Limited |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 16,961 |  | 15,000 |  |
Total liabilities |  | 322 |  | 528 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (75) |  | 714 |  |
KOMIPO Europe B.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 84,899 |  | 86,109 |  |
Total liabilities |  | 123 |  | 69 |  |
Sales |  | 890 |  | 1,183 |  |
Profit (loss) for the period |  | (6,403) |  | 109 |  |
Haenanum Energy Fund |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 7,415 |  | 7,415 |  |
Total liabilities |  | 3 |  | 3 |  |
Sales |  | 493 |  | 47 |  |
Profit (loss) for the period |  | 445 |  | (1) |  |
Paju Ecoenergy Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 61,836 |  | 60,653 |  |
Total liabilities |  | 2,635 |  | 2,146 |  |
Sales |  | 16,306 |  | 15,351 |  |
Profit (loss) for the period |  | 697 |  | (357) |  |
Guam Ukudu Power LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 940,137 |  | 749,837 |  |
Total liabilities |  | 960,812 |  | 720,795 |  |
Sales |  | 112,782 |  | 0 |  |
Profit (loss) for the period |  | (39,280) |  | (19,904) |  |
K-SOLAR SHINAN Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 279,204 |  | 298,866 |  |
Total liabilities |  | 263,030 |  | 281,676 |  |
Sales |  | 34,148 |  | 37,137 |  |
Profit (loss) for the period |  | 907 |  | (6,896) |  |
KPS Partners Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 4,264 |  | 3,503 |  |
Total liabilities |  | 2,298 |  | 1,776 |  |
Sales |  | 14,053 |  | 12,921 |  |
Profit (loss) for the period |  | 487 |  | 183 |  |
KEPCO E&C Service Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 8,437 |  | 7,167 |  |
Total liabilities |  | 1,738 |  | 1,938 |  |
Sales |  | 16,861 |  | 16,454 |  |
Profit (loss) for the period |  | 1,578 |  | 1,505 |  |
Moha Solar Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 25,946 |  | 27,213 |  |
Total liabilities |  | 28,391 |  | 29,363 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (273) |  | 112 |  |
Ogiri Solar Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,077 |  | 1,032 |  |
Total liabilities |  | 21 |  | 31 |  |
Sales |  | 77 |  | 0 |  |
Profit (loss) for the period |  | 55 |  | (9) |  |
KHNP USA LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 2,170 |  | 1,517 |  |
Total liabilities |  | 400 |  | 140 |  |
Sales |  | 1,196 |  | 1,142 |  |
Profit (loss) for the period |  | 186 |  | 166 |  |
KOMIPO Vanphong Power Service LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 39,147 |  | 26,819 |  |
Total liabilities |  | 3,592 |  | 3,768 |  |
Sales |  | 26,235 |  | 21,396 |  |
Profit (loss) for the period |  | 9,951 |  | 10,879 |  |
Energy Innovation Fund I |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 40,554 |  | 43,725 |  |
Total liabilities |  | 894 |  | 419 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (899) |  | (766) |  |
KHNP Chile SpA |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 6,081 |  | 5,555 |  |
Total liabilities |  | 4,818 |  | 4,219 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (60) |  | (66) |  |
Yeong Yang Apollon Photovoltaic Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,422 |  | 1,529 |  |
Total liabilities |  | 1,324 |  | 1,427 |  |
Sales |  | 194 |  | 219 |  |
Profit (loss) for the period |  | (4) |  | 42 |  |
Yeong Yang Corporation Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,403 |  | 1,519 |  |
Total liabilities |  | 1,314 |  | 1,418 |  |
Sales |  | 190 |  | 216 |  |
Profit (loss) for the period |  | (12) |  | 39 |  |
SolarVader Co., Ltd |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,413 |  | 1,529 |  |
Total liabilities |  | 1,317 |  | 1,421 |  |
Sales |  | 195 |  | 219 |  |
Profit (loss) for the period |  | (12) |  | 40 |  |
Yeong Yang Innovation Co., Ltd |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,407 |  | 1,510 |  |
Total liabilities |  | 1,314 |  | 1,418 |  |
Sales |  | 188 |  | 210 |  |
Profit (loss) for the period |  | 1 |  | 32 |  |
Yeong Yang Horus Photovoltaic Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,395 |  | 1,502 |  |
Total liabilities |  | 1,314 |  | 1,418 |  |
Sales |  | 184 |  | 206 |  |
Profit (loss) for the period |  | (3) |  | 28 |  |
Yeong Yang Solar Management Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,415 |  | 1,540 |  |
Total liabilities |  | 1,318 |  | 1,420 |  |
Sales |  | 198 |  | 224 |  |
Profit (loss) for the period |  | (23) |  | 46 |  |
LSG Hydro Power Limited |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 629 |  | 717 |  |
Total liabilities |  | 12 |  | 8 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (187) |  | (219) |  |
KOEN Bio Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 1,179 |  | 1,010 |  |
Total liabilities |  | 683 |  | 585 |  |
Sales |  | 1,570 |  | 2,467 |  |
Profit (loss) for the period |  | 90 |  | 372 |  |
KOMIPO Iberian Solar Group, S.L.U. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 76,858 |  | 79,666 |  |
Total liabilities |  | 69,709 |  | 66,874 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (3,786) |  | (931) |  |
Jeongam Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 70,772 |  | 75,744 |  |
Total liabilities |  | 60,170 |  | 63,219 |  |
Sales |  | 7,094 |  | 8,154 |  |
Profit (loss) for the period |  | (2,113) |  | (958) |  |
KOWEPO Europe B.V. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 35 |  | 107 |  |
Total liabilities |  | 3,511 |  | 3,177 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (181) |  | (44,685) |  |
Yeongdeok Sunrise Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 112,863 |  | 94,615 |  |
Total liabilities |  | 87,437 |  | 74,842 |  |
Sales |  | 7,717 |  | 0 |  |
Profit (loss) for the period |  | 3,555 |  | (383) |  |
KA Power Limited |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 6,620 |  | 3,173 |  |
Total liabilities |  | 3,375 |  | 172 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (207) |  | 126 |  |
Western Power Changgi Solar Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 43,393 |  | 46,950 |  |
Total liabilities |  | 36,938 |  | 40,815 |  |
Sales |  | 6,461 |  | 7,036 |  |
Profit (loss) for the period |  | 321 |  | 2,011 |  |
EWP Australia Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 67,756 |  | 52,734 |  |
Total liabilities |  | 358 |  | 0 |  |
Sales |  | 0 |  | 325 |  |
Profit (loss) for the period |  | 12,457 |  | 337 |  |
Columboola Solar Farm Hold Co Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets | [5] | 342,603 |  | 311,259 |  |
Total liabilities | [5] | 222,480 |  | 213,822 |  |
Sales | [5] | 8,349 |  | 10,072 |  |
Profit (loss) for the period | [5] | 20,622 |  | 3,217 |  |
Digital Innovation Growth Fund |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 11,989 |  | 11,624 |  |
Total liabilities |  | 172 |  | 96 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 1,745 |  | (266) |  |
J Wind First, LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 54,456 |  | 52,304 |  |
Total liabilities |  | 54,456 |  | 52,304 |  |
Sales |  | 2,992 |  | 2,540 |  |
Profit (loss) for the period |  | 0 |  | 0 |  |
KEPCO Holding Company |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 3,727 |  | 3,307 |  |
Total liabilities |  | 0 |  | 0 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | (35) |  | (23) |  |
KEPCO for Maintenance Company |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 12,192 |  | 118 |  |
Total liabilities |  | 10,078 |  | 0 |  |
Sales |  | 2,726 |  | 0 |  |
Profit (loss) for the period |  | 1,838 |  | (45) |  |
KOSPO Trumbull LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 336,425 |  | 25 |  |
Total liabilities |  | 0 |  | 0 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 0 |  | (10) |  |
Changjuk Wind Power Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 25,434 |  | 24,364 |  |
Total liabilities |  | 2,815 |  | 3,049 |  |
Sales |  | 5,983 |  | 6,230 |  |
Profit (loss) for the period |  | 686 |  | 744 |  |
Chile Solar JV SpA |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 96,796 |  | 98,705 |  |
Total liabilities |  | 81,288 |  | 75,472 |  |
Sales |  | 9,862 |  | 9,050 |  |
Profit (loss) for the period |  | (5,411) |  | (2,768) |  |
KEPCO KPS South Africa Pty., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 10,784 |  | 9,222 |  |
Total liabilities |  | 4,688 |  | 4,236 |  |
Sales |  | 19,713 |  | 8,512 |  |
Profit (loss) for the period |  | 266 |  | 834 |  |
KOWEPO Holding Limited |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 9,108 |  | 1,323 |  |
Total liabilities |  | 888 |  | 1,371 |  |
Sales |  | 0 |  | 0 |  |
Profit (loss) for the period |  | 7,679 |  | (49) |  |
KEPCO ES Co., Ltd. |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 318,648 |  | 322,529 |  |
Total liabilities |  | 6,087 |  | 15,367 |  |
Sales |  | 6,384 |  | 14,151 |  |
Profit (loss) for the period |  | 8,758 |  | ₩ 5,384 |  |
KOSPO Rutile, LLC |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 147 |  |  |  |
Total liabilities |  | 0 |  |  |  |
Sales |  | 0 |  |  |  |
Profit (loss) for the period |  | 0 |  |  |  |
Sprott Chile Solar I SpA |  |  |  |  |  |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |  |  |  |  |  |
Total assets |  | 8,682 |  |  |  |
Total liabilities |  | 27 |  |  |  |
Sales |  | 0 |  |  |  |
Profit (loss) for the period |  | ₩ 1 |  |  |  |
[1] | Financial information of EWP America Inc. includes that of 4 other subsidiaries, EWP Renewable Corporation, California Power Holdings LLC, EWP ESS Holdings, LLC, and Fairhaven ESS LLC.
[2] | Financial information of EWP America Inc. includes that of 4 other subsidiaries, EWP Renewable Corporation, and California Power Holdings LLC, EWP ESS Holdings, LLC, and Fairhaven ESS LLC.
[3] | Financial information of KOMIPO America Inc. includes that of 17 other subsidiaries including Elara Equity Holdings, LLC and CVS Equity Holdings, LLC.
[4] | Financial information of Energy New Industry Specialized Investment Private Investment Trust includes that of 6 other subsidiaries, BSK E-New Industry Fund VII, e-New Industry LB Fund 1, Songhyun e-New Industry Fund, BSK E-New Industry Fund X, UI Carbon-Neutrality Fund, and Magna Energy New Industrial Fund.
[5] | Financial information of Columboola Solar Farm Hold Co Pty., Ltd. includes that of 3 other subsidiaries including Columboola Solar Farm Nominees Pty., Ltd.

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