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Investments in Joint Ventures 3 (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of joint ventures [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 year | 3,621,968 | (4,716,144) | ₩ (24,429,108)
Shuweihat Asia Power Investment B.V. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 176,569 | 142,680 |
Total liabilities | 137 | 20 |
Sales | 0 | 0 |
Profit (loss) for the year | (370) | 897 |
Shuweihat Asia Operation & Maintenance Company |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 4,215 | 4,421 |
Total liabilities | 328 | 1,116 |
Sales | 3,574 | 3,194 |
Profit (loss) for the year | 2,293 | 2,249 |
Waterbury Lake Uranium L.P. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 80,803 | 74,320 |
Total liabilities | 761 | 550 |
Sales | 0 | 0 |
Profit (loss) for the year | 0 | 0 |
ASM-BG Investicii AD |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 68,437 | 68,837 |
Total liabilities | 34,565 | 39,359 |
Sales | 12,815 | 10,931 |
Profit (loss) for the year | 2,824 | 1,359 |
RES Technology AD |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 57,356 | 58,152 |
Total liabilities | 27,219 | 29,387 |
Sales | 7,395 | 5,969 |
Profit (loss) for the year | (292) | (1,027) |
KV Holdings, Inc. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 17,304 | 12,968 |
Total liabilities | 1 | 2 |
Sales | 1,778 | 20 |
Profit (loss) for the year | 1,799 | 367 |
KEPCO SPC Power Corporation |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 291,538 | 288,140 |
Total liabilities | 26,307 | 26,778 |
Sales | 190,296 | 222,773 |
Profit (loss) for the year | 28,108 | 17,270 |
Gansu Datang Yumen Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 63,240 | 61,657 |
Total liabilities | 43,443 | 45,869 |
Sales | 10,721 | 10,684 |
Profit (loss) for the year | 944 | 791 |
Datang Chifeng Renewable Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 900,001 | 812,124 |
Total liabilities | 388,711 | 345,277 |
Sales | 115,297 | 117,833 |
Profit (loss) for the year | 17,722 | 25,055 |
Datang KEPCO Chaoyang Renewable Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 180,827 | 166,959 |
Total liabilities | 60,016 | 58,942 |
Sales | 26,678 | 23,638 |
Profit (loss) for the year | 2,031 | 1,597 |
Rabigh Electricity Company |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 2,651,843 | 2,556,848 |
Total liabilities | 1,873,439 | 1,855,234 |
Sales | 353,677 | 304,727 |
Profit (loss) for the year | 63,270 | 51,539 |
Rabigh Operation & Maintenance Company Limited |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 40,983 | 40,339 |
Total liabilities | 20,205 | 27,928 |
Sales | 30,841 | 31,301 |
Profit (loss) for the year | 5,840 | 6,676 |
Jamaica Public Service Company Limited |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 2,649,022 | 2,332,019 |
Total liabilities | 1,656,068 | 1,491,199 |
Sales | 1,490,606 | 1,400,582 |
Profit (loss) for the year | 76,611 | 87,307 |
KW Nuclear Components Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 47,498 | 42,363 |
Total liabilities | 5,423 | 460 |
Sales | 6,919 | 14,344 |
Profit (loss) for the year | 2,510 | 5,386 |
Busan Shinho Solar Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 28,837 | 31,863 |
Total liabilities | 865 | 5,188 |
Sales | 8,452 | 9,197 |
Profit (loss) for the year | 3,963 | 4,473 |
Global Trade Of Power System Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 2,976 | 2,398 |
Total liabilities | 574 | 277 |
Sales | 3,635 | 2,044 |
Profit (loss) for the year | 290 | (229) |
Expressway Solar-light Power Generation Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 11,709 | 13,065 |
Total liabilities | 168 | 2,691 |
Sales | 3,219 | 3,397 |
Profit (loss) for the year | 1,214 | 892 |
Amman Asia Electric Power Company |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 791,478 | 719,388 |
Total liabilities | 343,371 | 347,015 |
Sales | 22,776 | 21,772 |
Profit (loss) for the year | 34,047 | 33,811 |
KAPES, Inc. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 299,380 | 203,066 |
Total liabilities | 257,858 | 165,475 |
Sales | 43,699 | 32,294 |
Profit (loss) for the year | 6,224 | 2,150 |
Honam Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 29,174 | 31,183 |
Total liabilities | 12,618 | 14,938 |
Sales | 6,508 | 6,570 |
Profit (loss) for the year | 1,810 | 1,540 |
Korea Power Engineering Service Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 22,701 | 21,534 |
Total liabilities | 1,828 | 1,853 |
Sales | 12,983 | 11,248 |
Profit (loss) for the year | 1,444 | 1,203 |
Chun-cheon Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 533,211 | 565,972 |
Total liabilities | 409,989 | 447,820 |
Sales | 430,679 | 502,889 |
Profit (loss) for the year | 4,890 | 10,435 |
Yeonggwangbaeksu Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 69,249 | 73,854 |
Total liabilities | 44,422 | 50,936 |
Sales | 12,636 | 13,523 |
Profit (loss) for the year | 2,156 | 1,944 |
Nghi Son 2 Power LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 4,412,970 | 3,775,717 |
Total liabilities | 3,286,814 | 2,939,740 |
Sales | 921,504 | 825,701 |
Profit (loss) for the year | 91,777 | 33,505 |
Kelar S.A |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 715,489 | 691,104 |
Total liabilities | 486,293 | 493,325 |
Sales | 112,110 | 112,201 |
Profit (loss) for the year | 9,733 | 12,488 |
PT. Tanjung Power Indonesia |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 754,514 | 704,274 |
Total liabilities | 467,144 | 446,700 |
Sales | 106,081 | 111,138 |
Profit (loss) for the year | 17,705 | 21,854 |
Incheon New Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 1,267 | 1,404 |
Total liabilities | 227 | 377 |
Sales | 2,777 | 3,781 |
Profit (loss) for the year | 36 | 485 |
Seokmun Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 192,083 | 201,776 |
Total liabilities | 138,787 | 144,565 |
Sales | 51,233 | 54,575 |
Profit (loss) for the year | (4,558) | (1,581) |
Daehan Wind Power PSC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 173,637 | 144,260 |
Total liabilities | 130,982 | 111,407 |
Sales | 18,496 | 17,880 |
Profit (loss) for the year | 3,584 | 4,951 |
Barakah One Company |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 43,235,235 | 35,586,640 |
Total liabilities | 45,056,439 | 36,901,367 |
Sales | 1,636,730 | 1,243,735 |
Profit (loss) for the year | (53,778) | (230,503) |
Nawah Energy Company |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 701,247 | 569,982 |
Total liabilities | 699,068 | 568,147 |
Sales | 566,077 | 555,338 |
Profit (loss) for the year | 40 | 34 |
Momentum |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 7,422 | 13,449 |
Total liabilities | 6,836 | 12,821 |
Sales | 22,770 | 23,160 |
Profit (loss) for the year | 586 | 624 |
Daegu Green Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 493,595 | 515,354 |
Total liabilities | 399,918 | 429,204 |
Sales | 338,750 | 380,130 |
Profit (loss) for the year | 7,344 | (5,146) |
Yeonggwang Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 217,987 | 225,286 |
Total liabilities | 162,218 | 175,530 |
Sales | 32,114 | 36,326 |
Profit (loss) for the year | 7,971 | 11,672 |
Chester Solar IV SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 12,649 | 12,435 |
Total liabilities | 12,309 | 11,504 |
Sales | 1,941 | 2,119 |
Profit (loss) for the year | (676) | 395 |
Chester Solar V SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 4,260 | 4,124 |
Total liabilities | 4,321 | 4,002 |
Sales | 631 | 696 |
Profit (loss) for the year | (176) | 141 |
Diego de Almagro Solar SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 16,301 | 15,785 |
Total liabilities | 15,161 | 13,907 |
Sales | 2,625 | 3,114 |
Profit (loss) for the year | (667) | 931 |
South Jamaica Power Company Limited |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 532,323 | 482,866 |
Total liabilities | 288,501 | 267,307 |
Sales | 250,519 | 240,664 |
Profit (loss) for the year | 14,460 | 18,833 |
Daesan Green Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 225,765 | 237,663 |
Total liabilities | 153,391 | 174,261 |
Sales | 110,002 | 111,225 |
Profit (loss) for the year | 5,960 | 11,480 |
RE Holiday Holdings LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 363,750 | 340,773 |
Total liabilities | 184,188 | 172,589 |
Sales | 20,251 | 21,178 |
Profit (loss) for the year | (1,413) | 664 |
RE Pioneer Holdings LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 272,900 | 257,091 |
Total liabilities | 161,657 | 148,929 |
Sales | 13,343 | 14,136 |
Profit (loss) for the year | (3,168) | (2,164) |
RE Barren Ridge 1 Holdings LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 224,922 | 213,491 |
Total liabilities | 105,310 | 97,184 |
Sales | 12,905 | 11,915 |
Profit (loss) for the year | (1,301) | (1,979) |
RE Astoria 2 LandCo LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 16,514 | 14,116 |
Total liabilities | 276 | 242 |
Sales | 1,060 | 1,014 |
Profit (loss) for the year | 848 | 823 |
RE Barren Ridge LandCo LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 5,826 | 4,980 |
Total liabilities | 110 | 97 |
Sales | 411 | 393 |
Profit (loss) for the year | 342 | 329 |
Laurel SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 10,897 | 10,665 |
Total liabilities | 10,471 | 9,768 |
Sales | 1,522 | 1,646 |
Profit (loss) for the year | (557) | 169 |
KIAMCO KOWEPO Bannerton Hold Co Pty Ltd |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 33,736 | 30,081 |
Total liabilities | 150 | 84 |
Sales | 0 | 0 |
Profit (loss) for the year | 70 | (182) |
Cheong-Song Noraesan Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 53,374 | 54,086 |
Total liabilities | 38,705 | 41,352 |
Sales | 6,788 | 6,780 |
Profit (loss) for the year | 1,599 | 1,240 |
Chester Solar I SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 12,935 | 12,846 |
Total liabilities | 11,454 | 10,712 |
Sales | 1,395 | 1,620 |
Profit (loss) for the year | (745) | 214 |
Solar Philippines Calatagan Corporation |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 166,126 | 146,304 |
Total liabilities | 37,872 | 37,922 |
Sales | 19,412 | 16,420 |
Profit (loss) for the year | 8,733 | 9,121 |
Saemangeum Solar Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 34,377 | 34,905 |
Total liabilities | 5,643 | 5,994 |
Sales | 0 | 0 |
Profit (loss) for the year | (176) | (162) |
Chungsongmeon BongSan wind power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 86,708 | 83,147 |
Total liabilities | 83,921 | 80,102 |
Sales | 0 | 0 |
Profit (loss) for the year | (399) | (925) |
Jaeun Resident Wind Power Plant Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 95,657 | 95,529 |
Total liabilities | 88,605 | 87,893 |
Sales | 0 | 181 |
Profit (loss) for the year | (380) | (80) |
DE Energia SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 32,263 | 28,017 |
Total liabilities | 24,853 | 21,416 |
Sales | 0 | 5,006 |
Profit (loss) for the year | 3,163 | 21,118 |
Dangjin Eco Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 90,750 | 96,980 |
Total liabilities | 12,732 | 19,299 |
Sales | 3,645 | 3,789 |
Profit (loss) for the year | 743 | 589 |
Haemodum Solar Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 21,036 | 21,612 |
Total liabilities | 14,444 | 15,241 |
Sales | 2,060 | 2,216 |
Profit (loss) for the year | 232 | 299 |
Yangyang Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 146,697 | 124,550 |
Total liabilities | 123,504 | 103,766 |
Sales | 11,948 | 211 |
Profit (loss) for the year | 2,334 | (858) |
Horus Solar, S.A. De C.V. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 170,018 | 210,868 |
Total liabilities | 184,014 | 160,006 |
Sales | 35,080 | 20,586 |
Profit (loss) for the year | (43,774) | 26,865 |
Recursos Solares PV De Mexico II, S.A. De C.V. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 238,276 | 239,548 |
Total liabilities | 223,019 | 180,912 |
Sales | 19,178 | 4,920 |
Profit (loss) for the year | (37,720) | 24,984 |
Sunmex Renovables, S.A. De C.V. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 182,159 | 156,696 |
Total liabilities | 170,906 | 133,032 |
Sales | 0 | 0 |
Profit (loss) for the year | (15,771) | 6,232 |
Stavro Holding II A.B. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 82,407 | 91,342 |
Total liabilities | 114 | 28 |
Sales | 0 | 0 |
Profit (loss) for the year | (11,632) | (87) |
Solaseado Solar Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 347,831 | 346,793 |
Total liabilities | 292,737 | 304,142 |
Sales | 46,361 | 39,907 |
Profit (loss) for the year | 12,443 | 4,823 |
Yeongam Solar Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 318,641 | 326,429 |
Total liabilities | 260,459 | 279,779 |
Sales | 34,509 | 35,280 |
Profit (loss) for the year | 10,880 | 4,506 |
Samsu Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 61,678 | 67,150 |
Total liabilities | 46,675 | 51,247 |
Sales | 7,051 | 8,751 |
Profit (loss) for the year | 682 | 1,741 |
Pulau Indah Power Plant Sdn. Bhd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 1,054,236 | 800,300 |
Total liabilities | 873,923 | 720,459 |
Sales | 40,818 | 431 |
Profit (loss) for the year | (2,896) | 2,095 |
NH-Amundi Global Infrastructure Investment Private Investment Trust 21 |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 52,533 | 72,465 |
Total liabilities | 271 | 97 |
Sales | 3,054 | 7,569 |
Profit (loss) for the year | (23,354) | 7,080 |
Shin-han BNPP Private Investment Trust for East-West Sunlight Dream |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 17,251 | 17,230 |
Total liabilities | 33 | 22 |
Sales | 227 | 38 |
Profit (loss) for the year | 182 | (3) |
PT Barito Wahana Tenaga |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 678,043 | 512,846 |
Total liabilities | 0 | 0 |
Sales | 0 | 0 |
Profit (loss) for the year | 74,744 | 72,320 |
Cheongna Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 463,574 | 428,042 |
Total liabilities | 375,343 | 380,935 |
Sales | 142,400 | 119,530 |
Profit (loss) for the year | 41,124 | 29,511 |
Naepo Green Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 738,857 | 695,684 |
Total liabilities | 586,152 | 677,583 |
Sales | 467,225 | 312,592 |
Profit (loss) for the year | 124,830 | 53,343 |
Boim Combined Heat and Power Generation Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 421,954 | 441,975 |
Total liabilities | 480,084 | 498,353 |
Sales | 139,134 | 212,997 |
Profit (loss) for the year | 294 | 5,544 |
OneEnergy Asia Limited |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 3,237,191 | 2,181,165 |
Total liabilities | 2,137,600 | 1,520,032 |
Sales | 424,036 | 1,149,944 |
Profit (loss) for the year | 100,781 | 94,298 |
KAS Investment I LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 20,361 | 52,806 |
Total liabilities | 28 | 0 |
Sales | (40,343) | (7,436) |
Profit (loss) for the year | (43,213) | (7,437) |
KAS Investment II LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 20,233 | 52,555 |
Total liabilities | 28 | 1 |
Sales | (40,189) | (7,444) |
Profit (loss) for the year | (43,048) | (7,445) |
Energyco LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets |  | 54,336 |
Total liabilities |  | 49,816 |
Sales |  | 6,599 |
Profit (loss) for the year |  | (173) |
Energyco Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 50,310 |  |
Total liabilities | 45,161 |  |
Sales | 6,221 |  |
Profit (loss) for the year | 629 |  |
CAES, LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 49,267 | 48,495 |
Total liabilities | 0 | 5 |
Sales | 0 | 0 |
Profit (loss) for the year | 946 | (2,388) |
Hapcheon Floating Photovoltaic Power Plant Inc. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 76,903 | 79,924 |
Total liabilities | 53,853 | 58,887 |
Sales | 12,361 | 12,679 |
Profit (loss) for the year | 3,992 | 4,266 |
Busan Industrial Solar Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 18,236 | 18,636 |
Total liabilities | 15,133 | 15,896 |
Sales | 2,262 | 2,378 |
Profit (loss) for the year | 191 | 106 |
Bitsolar Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 68,249 | 73,435 |
Total liabilities | 74,213 | 79,367 |
Sales | 8,300 | 8,249 |
Profit (loss) for the year | (390) | (1,125) |
Pulau Indah O&M Sdn. Bhd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 1 | 0 |
Total liabilities | 2 | 0 |
Sales | 0 | 0 |
Profit (loss) for the year | 24 | 0 |
Guadalupe Solar SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 10,477 | 10,646 |
Total liabilities | 9,339 | 8,811 |
Sales | 1,408 | 1,684 |
Profit (loss) for the year | (574) | 626 |
Omisan Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 180,001 | 150,813 |
Total liabilities | 154,541 | 126,853 |
Sales | 4,785 | 0 |
Profit (loss) for the year | 1,480 | (453) |
Foresight Iberian Solar Group Holding, S.L. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 187,118 | 94,972 |
Total liabilities | 194,881 | 86,049 |
Sales | 3,262 | 0 |
Profit (loss) for the year | (13,206) | (2,712) |
Yeongwol Eco Wind Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 99,288 | 109,716 |
Total liabilities | 102,522 | 102,143 |
Sales | 7,118 | 3,561 |
Profit (loss) for the year | (5,518) | 2,975 |
Gurae Resident Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 12,845 | 14,096 |
Total liabilities | 11,861 | 12,299 |
Sales | 1,490 | 652 |
Profit (loss) for the year | (101) | 615 |
Cheongju Eco Park Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 145,162 | 145,956 |
Total liabilities | 109,158 | 115,347 |
Sales | 37,392 | 38,907 |
Profit (loss) for the year | 2,415 | (4,892) |
Enel X Midland Photovoltaic, LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 13,694 | 12,825 |
Total liabilities | 119 | 115 |
Sales | 2,470 | 2,128 |
Profit (loss) for the year | 865 | 850 |
Geumsungsan Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 143,725 | 142,703 |
Total liabilities | 118,608 | 125,602 |
Sales | 21,048 | 13,568 |
Profit (loss) for the year | 7,349 | 6,570 |
KEPCO KPS CARABAO Corp. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 226 | 375 |
Total liabilities | 835 | 468 |
Sales | 0 | 0 |
Profit (loss) for the year | (513) | (467) |
Prime Swedish Holding AB |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 143,102 | 83,699 |
Total liabilities | 62,354 | 218 |
Sales | 8,911 | 0 |
Profit (loss) for the year | (8,404) | (524) |
Goheung New Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 174,255 | 177,924 |
Total liabilities | 142,437 | 146,175 |
Sales | 28,059 | 29,246 |
Profit (loss) for the year | 2,190 | 8,460 |
Gunsan Land Solar Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 144,887 | 144,435 |
Total liabilities | 104,284 | 108,848 |
Sales | 22,154 | 23,523 |
Profit (loss) for the year | 4,939 | (974) |
Capman Lynx SCA, SICAR |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 3,319 | 139,262 |
Total liabilities | 134,790 | 132,430 |
Sales | 0 | 1,427 |
Profit (loss) for the year | (4,808) | (12,401) |
International Offshore Power Transmission Holding Company Limited |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 33,191 | 6,555 |
Total liabilities | 1,650 | 2,486 |
Sales | 0 | 0 |
Profit (loss) for the year | (213) | (195) |
Pyeongchang Wind Power Co., Ltd |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 55,697 | 60,535 |
Total liabilities | 34,754 | 39,452 |
Sales | 9,261 | 9,361 |
Profit (loss) for the year | (536) | (2,354) |
Eumseong Eco Park Co., Ltd |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 149,904 | 153,927 |
Total liabilities | 111,846 | 126,998 |
Sales | 45,239 | 46,679 |
Profit (loss) for the year | 9,512 | 5,609 |
Changwon Nu-ri Energy Co., Ltd |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 71,179 | 13,183 |
Total liabilities | 58,630 | 29 |
Sales | 333 | 0 |
Profit (loss) for the year | (606) | (44) |
PungBack Wind Farm Corporation |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 148,157 | 70,330 |
Total liabilities | 130,116 | 51,804 |
Sales | 0 | 0 |
Profit (loss) for the year | (536) | (255) |
Trumbull Asset Management, LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 2,572 | 1,697 |
Total liabilities | 910 | 497 |
Sales | 4,501 | 5,955 |
Profit (loss) for the year | 486 | 887 |
S-Power Chile SpA |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 2,779 | 2,240 |
Total liabilities | 2,778 | 2,390 |
Sales | 1,369 | 1,327 |
Profit (loss) for the year | 108 | (139) |
Seungmun Green Energy |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 142,213 | 144,600 |
Total liabilities | 103,593 | 115,034 |
Sales | 46,712 | 10,879 |
Profit (loss) for the year | 9,026 | 2,127 |
Seobusambo highway photovoltaics Co., Ltd |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 10,245 | 9,838 |
Total liabilities | 6,108 | 5,362 |
Sales | 1,214 | 1,051 |
Profit (loss) for the year | 26 | 624 |
Yangyang Suri Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 210,853 | 111,682 |
Total liabilities | 181,052 | 78,552 |
Sales | 0 | 0 |
Profit (loss) for the year | (5,391) | (3,069) |
KEPCO for Power Company |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 644,110 | 235,212 |
Total liabilities | 614,267 | 234,487 |
Sales | 0 | 0 |
Profit (loss) for the year | (1,058) | (3,610) |
Taebaek Wind Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 28,067 | 26,606 |
Total liabilities | 3,468 | 3,385 |
Sales | 6,431 | 7,384 |
Profit (loss) for the year | 2,169 | 3,752 |
Jeonju Bio Green Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 4,130 | 4,916 |
Total liabilities | 181 | 0 |
Sales | 0 | 0 |
Profit (loss) for the year | (967) | (84) |
Kumyang Eco Park Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 125,961 | 13,831 |
Total liabilities | 112,910 | 1,395 |
Sales | 3,169 | 0 |
Profit (loss) for the year | 615 | (71) |
Jeongeup Green Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 22,939 | 11,243 |
Total liabilities | 6,960 | 5,462 |
Sales | 0 | 0 |
Profit (loss) for the year | (2,767) | (1,343) |
Hadong E-factory Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 2,331 | 1,544 |
Total liabilities | 1,204 | 399 |
Sales | 0 | 0 |
Profit (loss) for the year | (17) | (13) |
Namyangju Combined Heat and Power Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 75,474 | 7,000 |
Total liabilities | 1,899 | 0 |
Sales | 0 | 0 |
Profit (loss) for the year | (2,410) | 0 |
Samcheok Eco Materials Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 21,109 |  |
Total liabilities | 1,981 |  |
Sales | 3,352 |  |
Profit (loss) for the year | (1,357) |  |
Wadi Noor Solar Power Company SAOC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 492,407 | 70,963 |
Total liabilities | 481,139 | 69,288 |
Sales | 0 | 0 |
Profit (loss) for the year | (1,477) | 0 |
Fairhaven Energy Storage LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 2,071 | 0 |
Total liabilities | 82 | 0 |
Sales | 0 | 0 |
Profit (loss) for the year | (14) | ₩ 0 |
Rutile BESS Holdings, LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 7,353 |  |
Total liabilities | 7,350 |  |
Sales | 0 |  |
Profit (loss) for the year | (211) |  |
Trumbull Development Partners, LLC |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 1,582,082 |  |
Total liabilities | 1,042,712 |  |
Sales | 0 |  |
Profit (loss) for the year | 14,174 |  |
Imha Floating Photovoltaic Power Plant Inc. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 36,412 |  |
Total liabilities | 23,546 |  |
Sales | 0 |  |
Profit (loss) for the year | (1,679) |  |
EDFR KOWEPO AJBAN PV HOLDING LIMITED |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 37,776 |  |
Total liabilities | 37,606 |  |
Sales | 0 |  |
Profit (loss) for the year | (143) |  |
Roof One Energy Co., Ltd. |  |  |
Disclosure of joint ventures [line items] |  |  |
Total assets | 9,305 |  |
Total liabilities | 5,209 |  |
Sales | 0 |  |
Profit (loss) for the year | ₩ (46) |  |

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