XML 157 R141.htm IDEA: XBRL DOCUMENT v3.21.1
Summary of financial information of consolidated subsidiaries (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Korea Hydro & Nuclear Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets ₩ 61,859,753 ₩ 59,570,219
Total liabilities 35,652,467 33,917,275
Sales 9,938,941 8,969,072
Profit (loss) for the period 647,641 306,007
Korea South-East Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 10,858,645 10,938,358
Total liabilities 5,954,129 5,866,642
Sales 4,258,904 5,385,387
Profit (loss) for the period (139,149) 41,006
Korea Midland Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 13,028,436 12,684,828
Total liabilities 9,357,603 8,977,766
Sales 4,293,364 4,479,707
Profit (loss) for the period (29,880) (28,449)
Korea Western Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 10,357,023 10,514,438
Total liabilities 6,594,779 6,637,451
Sales 3,605,986 4,448,992
Profit (loss) for the period (108,953) (46,061)
Korea Southern Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 10,658,015 10,884,799
Total liabilities 6,411,524 6,608,301
Sales 4,015,941 5,084,907
Profit (loss) for the period (17,588) (41,342)
Korea East-West Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 9,619,485 9,724,311
Total liabilities 4,974,645 5,022,921
Sales 4,155,416 4,855,964
Profit (loss) for the period (65,427) 56,698
KEPCO Engineering & Construction Company, Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 699,244 735,207
Total liabilities 200,169 242,994
Sales 431,723 448,635
Profit (loss) for the period 20,160 26,398
KEPCO Plant Service & Engineering Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,345,857 1,356,983
Total liabilities 296,515 294,757
Sales 1,299,186 1,244,613
Profit (loss) for the period 85,916 157,737
KEPCO Nuclear Fuel Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 798,368 831,604
Total liabilities 390,155 429,799
Sales 331,228 309,055
Profit (loss) for the period 14,542 24,618
KEPCO KDN Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 647,496 604,458
Total liabilities 174,192 159,807
Sales 641,308 625,567
Profit (loss) for the period 45,207 42,205
KEPCO International HongKong Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 120,213 138,942
Total liabilities 0 633
Sales 0 0
Profit (loss) for the period 1,571 3,330
KEPCO International Philippines Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 133,215 107,224
Total liabilities 366 371
Sales 0 0
Profit (loss) for the period 35,182 67,991
KEPCO Gansu International Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 7,753 10,448
Total liabilities 512 545
Sales 0 0
Profit (loss) for the period (19) (20)
KEPCO Philippines Holdings Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 187,375 200,503
Total liabilities 127 6,656
Sales 0 0
Profit (loss) for the period 65,792 66,200
KEPCO Philippines Corporation    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 6,173 6,706
Total liabilities 17 332
Sales 0 0
Profit (loss) for the period (187) (52)
KEPCO Ilijan Corporation    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 322,066 371,377
Total liabilities 47,234 56,156
Sales 81,400 95,072
Profit (loss) for the period 39,443 40,818
KEPCO Lebanon SARL    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,669 1,835
Total liabilities 9,195 9,786
Sales 0 0
Profit (loss) for the period (59) 255
KEPCO Neimenggu International Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 213,444 200,858
Total liabilities 2,492 0
Sales 0 0
Profit (loss) for the period 26,593 (354)
KEPCO Shanxi International Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 508,363 538,604
Total liabilities 196,408 208,895
Sales 0 0
Profit (loss) for the period 2,278 151
KOMIPO Global Pte Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 263,378 269,302
Total liabilities 656 463
Sales 0 0
Profit (loss) for the period 12,460 10,400
KEPCO Netherlands B.V.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 117,449 122,577
Total liabilities 71 101
Sales 0 0
Profit (loss) for the period 14,503 948
KOREA Imouraren Uranium Investment Corp.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 13,955 14,173
Total liabilities 123 111
Sales 0 0
Profit (loss) for the period (675) (49,716)
KEPCO Australia Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 451 364
Total liabilities 17 14
Sales 0 0
Profit (loss) for the period 71 (395,914)
KOSEP Australia Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 34,249 32,782
Total liabilities 3,500 2,911
Sales 14,327 15,514
Profit (loss) for the period 2,150 3,935
KOMIPO Australia Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 45,250 40,898
Total liabilities 3,782 2,909
Sales 14,327 15,514
Profit (loss) for the period 2,685 3,766
KOWEPO Australia Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 44,270 44,182
Total liabilities 2,909 5,772
Sales 14,327 15,514
Profit (loss) for the period 1,663 2,761
KOSPO Australia Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 38,341 37,254
Total liabilities 2,750 5,012
Sales 14,327 15,514
Profit (loss) for the period 2,242 2,638
KEPCO Middle East Holding Company    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 90,601 102,164
Total liabilities 78,553 87,834
Sales 0 0
Profit (loss) for the period (1,539) 5,934
Qatrana Electric Power Company    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 464,507 490,723
Total liabilities 287,859 322,857
Sales 21,279 20,773
Profit (loss) for the period 24,717 21,807
KHNP Canada Energy, Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 63,794 44,639
Total liabilities 26 43
Sales 0 0
Profit (loss) for the period (7) (10)
KEPCO Bylong Australia Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 44,691 45,207
Total liabilities 349,542 355,163
Sales 0 0
Profit (loss) for the period 16,897 (220,909)
Korea Waterbury Uranium Limited Partnership    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 20,908 20,717
Total liabilities 165 167
Sales 0 0
Profit (loss) for the period (76) (77)
KEPCO Holdings de Mexico    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 148 187
Total liabilities 27 25
Sales 0 0
Profit (loss) for the period (14) (14)
KST Electric Power Company, S.A.P.I. de C.V.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 531,367 539,952
Total liabilities 410,743 449,459
Sales 65,695 55,783
Profit (loss) for the period 37,899 (20,797)
KEPCO Energy Service Company    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 2,255 2,262
Total liabilities 994 1,995
Sales 5,880 5,984
Profit (loss) for the period 507 (481)
KEPCO Netherlands S3 B.V.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 44,042 50,352
Total liabilities 54 49
Sales 0 0
Profit (loss) for the period 2,833 2,637
PT. KOMIPO Pembangkitan Jawa Bali    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 12,946 12,391
Total liabilities 3,298 5,719
Sales 20,306 18,722
Profit (loss) for the period 4,775 4,312
PT. Cirebon Power Service    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,825 2,089
Total liabilities 550 313
Sales 8,642 8,049
Profit (loss) for the period 344 406
KOWEPO International Corporation    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 0 0
Total liabilities 10 10
Sales 0 0
Profit (loss) for the period 0 (2)
KOSPO Jordan LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 31,620 17,489
Total liabilities 15,654 1,521
Sales 9,356 10,878
Profit (loss) for the period 1,570 2,634
EWP Philippines Corporation    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets   1,691
Total liabilities   888
Sales   0
Profit (loss) for the period   (111)
EWP America Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 37,681 [1] 66,622 [2]
Total liabilities 2,683 [1] 2,619 [2]
Sales 14,312 [1] 21,719 [2]
Profit (loss) for the period (14,327) [1] (6,497) [2]
KNF Canada Energy Limited    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,871 1,933
Total liabilities 22 24
Sales 0 0
Profit (loss) for the period (50) (48)
EWP Barbados 1 SRL    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 313,409 279,295
Total liabilities 1,170 1,031
Sales 2,950 2,914
Profit (loss) for the period 44,729 2,368
Gyeonggi Green Energy Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 265,768 194,425
Total liabilities 240,366 159,078
Sales 64,660 13,717
Profit (loss) for the period (9,968) (73,394)
PT. Tanggamus Electric Power    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 217,730 228,601
Total liabilities 184,057 195,826
Sales 3,491 2,256
Profit (loss) for the period 11,942 (4,529)
Gyeongju Wind Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 105,726 113,745
Total liabilities 68,629 75,427
Sales 13,939 15,548
Profit (loss) for the period 2,108 3,384
KOMIPO America Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 105,926 9,424
Total liabilities 918 593
Sales 342 118
Profit (loss) for the period (1,783) (1,033)
KOSEP USA, Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1 1
Total liabilities 4,837 5,147
Sales 0 0
Profit (loss) for the period 0 (119)
PT. EWP Indonesia    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 33,900 34,455
Total liabilities 1,125 5
Sales 0 0
Profit (loss) for the period 7,083 5,124
KEPCO Netherlands J3 B.V.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 138,824 120,006
Total liabilities 84 74
Sales 0 0
Profit (loss) for the period 28,242 (79)
Korea Offshore Wind Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 354,643 284,495
Total liabilities 187,576 117,527
Sales 26,838 0
Profit (loss) for the period 98 (12,768)
Global One Pioneer B.V.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 177 180
Total liabilities 60 73
Sales 0 0
Profit (loss) for the period (76) (86)
Global Energy Pioneer B.V.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 338 348
Total liabilities 64 80
Sales 0 0
Profit (loss) for the period (70) (90)
Mira Power Limited    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 348,737 356,111
Total liabilities 266,565 285,577
Sales 31,172 0
Profit (loss) for the period (2,960) (971)
KOSEP Material Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 2,312 2,788
Total liabilities 429 1,186
Sales 3,457 3,357
Profit (loss) for the period 189 22
Commerce and Industry Energy Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 89,681 90,637
Total liabilities 41,384 43,985
Sales 31,603 32,728
Profit (loss) for the period 1,623 (7,532)
KEPCO KPS Philippines Corp.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 3,119 5,198
Total liabilities 284 1,341
Sales 5,151 6,246
Profit (loss) for the period 158 2
KOSPO Chile SpA    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 128,795 134,827
Total liabilities 48,813 49,183
Sales 0 0
Profit (loss) for the period (542) (456)
PT. KOWEPO Sumsel Operation and Maintenance Services    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 108 135
Total liabilities 241 262
Sales 0 0
Profit (loss) for the period (15) (1,104)
HeeMang Sunlight Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 7,261 12,185
Total liabilities 4,339 8,545
Sales 423 643
Profit (loss) for the period (142) 75
Fujeij Wind Power Company    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 194,844 218,333
Total liabilities 174,051 196,964
Sales 0 0
Profit (loss) for the period 13,720 5,515
KOSPO Youngnam Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 389,071 398,495
Total liabilities 294,408 307,226
Sales 254,966 318,338
Profit (loss) for the period 3,405 3,514
VI Carbon Professional Private Special Asset Investment Trust 1    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 3,006 3,002
Total liabilities 4 0
Sales 0 0
Profit (loss) for the period 7 12
Chitose Solar Power Plant LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 133,643 121,457
Total liabilities 118,783 106,254
Sales 17,073 17,103
Profit (loss) for the period 1,521 5,480
KEPCO Energy Solution Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 313,754 308,188
Total liabilities 4,093 2,142
Sales 5,585 2,843
Profit (loss) for the period 3,656 2,805
KEPCO Solar Co., Ltd. (formerly, Solar School Plant Co., Ltd.)    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 230,443 208,730
Total liabilities 23,098 3,269
Sales 3,933 1,962
Profit (loss) for the period 1,888 2,553
KOSPO Power Services Ltda.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 4,354 3,244
Total liabilities 1,644 1,564
Sales 10,846 10,013
Profit (loss) for the period 1,011 452
Energy New Industry Specialized Investment Private Investment Trust    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 279,489 [3] 100,116 [4]
Total liabilities 24,173 [3] 17,359 [4]
Sales 23,682 [3] 2,418 [4]
Profit (loss) for the period 8,248 [3] (7,735) [4]
KOEN Bylong Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 6 0
Total liabilities 75 39
Sales 0 0
Profit (loss) for the period (11) (14)
KOMIPO Bylong Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 7 4
Total liabilities 76 43
Sales 0 0
Profit (loss) for the period (11) (14)
KOWEPO Bylong Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 6 4
Total liabilities 64 40
Sales 0 0
Profit (loss) for the period 0 (12)
KOSPO Bylong Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 153 4
Total liabilities 213 40
Sales 0 0
Profit (loss) for the period (2) (12)
EWP Bylong Pty., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 6 4
Total liabilities 35 40
Sales 0 0
Profit (loss) for the period 28 (12)
KOWEPO Lao International    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 8,982 5,430
Total liabilities 392 575
Sales 8,466 4,308
Profit (loss) for the period 4,706 1,584
KEPCO US Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 16,154 17,231
Total liabilities 0 0
Sales 0 0
Profit (loss) for the period (21) 0
KEPCO Alamosa LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 31,353 33,515
Total liabilities 270 183
Sales 127 145
Profit (loss) for the period (237) (311)
KEPCO Solar of Alamosa, LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 68,336 65,468
Total liabilities 42,910 50,348
Sales 9,096 8,739
Profit (loss) for the period (2,052) (1,902)
KEPCO Mangilao Holdings LLC (formerly, KEPCO-LG CNS Mangilao Holdings LLC)    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 25,785 27,439
Total liabilities 28,924 30,287
Sales 0 0
Profit (loss) for the period (502) (1,240)
Mangilao Investment LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 38,090 39,972
Total liabilities 14 0
Sales 0 0
Profit (loss) for the period (15) 0
KEPCO Mangilao Solar, LLC (formerly, KEPCO-LG CNS Mangilao Solar, LLC)    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 69,830 39,373
Total liabilities 34,029 11
Sales 0 0
Profit (loss) for the period (253) (524)
Jeju Hanlim Offshore Wind Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 20,525 14,328
Total liabilities 9,805 558
Sales 0 0
Profit (loss) for the period (3,049) (2,459)
PT. Siborpa Eco Power    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 10,491 11,574
Total liabilities 14 71
Sales 0 0
Profit (loss) for the period (361) (1,165)
PT. Korea Energy Indonesia    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,746 1,592
Total liabilities 196 121
Sales 2,428 2,462
Profit (loss) for the period 190 323
KOLAT SpA    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 31,109 31,178
Total liabilities 425 167
Sales 243 656
Profit (loss) for the period (216) (296)
KEPCO California, LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 41,973 44,074
Total liabilities 4,683 936
Sales 0 358
Profit (loss) for the period (1,330) (513)
KEPCO Mojave Holdings, LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 95,326 103,815
Total liabilities 67,138 69,544
Sales 0 0
Profit (loss) for the period (4,358) (4,215)
Incheon Fuel Cell Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 192,184 22,669
Total liabilities 170,976 475
Sales 0 0
Profit (loss) for the period (979) (1,010)
KOEN Service Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 6,239 5,347
Total liabilities 5,598 4,252
Sales 32,150 25,890
Profit (loss) for the period 129 543
KOMIPO Service Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 3,381 3,327
Total liabilities 3,649 2,622
Sales 28,596 24,556
Profit (loss) for the period (479) 146
KOWEPO Service Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 6,045 4,228
Total liabilities 4,849 3,302
Sales 29,559 23,982
Profit (loss) for the period 726 389
KOSPO Service Co., Ltd    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 5,617 3,493
Total liabilities 4,708 2,788
Sales 25,103 18,741
Profit (loss) for the period 832 135
EWP Service Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 4,568 4,786
Total liabilities 4,074 4,064
Sales 23,223 20,837
Profit (loss) for the period (15) 162
PT. KOMIPO Energy Indonesia    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 2,473 2,647
Total liabilities 154 196
Sales 2,391 1,392
Profit (loss) for the period 52 79
KNF Partners Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,470 1,378
Total liabilities 743 890
Sales 5,487 3,383
Profit (loss) for the period 256 187
KOSPO USA Inc.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 120,380 5,896
Total liabilities 266 127
Sales 0 0
Profit (loss) for the period (1,611) (1,408)
Nambu USA LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 42,739 245
Total liabilities 0 1
Sales 0 0
Profit (loss) for the period 544 245
Tamra Offshore Wind Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 150,957 156,708
Total liabilities 112,184 121,724
Sales 22,200 19,670
Profit (loss) for the period 4,575 1,154
KEPCO MCS Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 59,227 26,510
Total liabilities 36,786 22,151
Sales 342,053 129,393
Profit (loss) for the period 19,190 3,408
KEPCO FMS Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 14,390 11,336
Total liabilities 12,585 10,638
Sales 89,228 37,627
Profit (loss) for the period 837 198
Firstkeepers Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 13,981 1,552
Total liabilities 12,234 2,800
Sales 68,538 121
Profit (loss) for the period 2,994 (2,239)
Secutec Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 11,473 322
Total liabilities 9,771 229
Sales 62,256 0
Profit (loss) for the period 1,609 (597)
SE Green Energy Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 152,205 132,727
Total liabilities 122,606 105,619
Sales 19,731 0
Profit (loss) for the period 2,463 816
KEPCO Mangilao America LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,793 0
Total liabilities 0 0
Sales 0 0
Profit (loss) for the period 0 0
Mangilao Intermediate Holdings LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 100,609 13,220
Total liabilities 80,210 12,774
Sales 0 0
Profit (loss) for the period (3,708) (66)
KEPCO CSC Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 8,817 837
Total liabilities 5,551 51
Sales 38,465 0
Profit (loss) for the period 2,479 (14)
KOAK Power Limited    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 15,864 15,930
Total liabilities 1,118 0
Sales 0 0
Profit (loss) for the period 607 0
KOMIPO Europe B.V.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 43,198 7,362
Total liabilities 46 0
Sales 333 0
Profit (loss) for the period (386) (286)
Haenanum Energy Fund    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 28,219 28,101
Total liabilities 132 1
Sales 128 0
Profit (loss) for the period (13) 1
Paju Ecoenergy Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 57,320 53,839
Total liabilities 3,506 0
Sales 3,069 0
Profit (loss) for the period 247 ₩ 0
Guam Ukudu Power LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 3,165  
Total liabilities 3,589  
Sales 0  
Profit (loss) for the period (1,577)  
TS Energy No. 25 Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 184,667  
Total liabilities 142,709  
Sales 0  
Profit (loss) for the period (3,779)  
KPS Partners Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 2,139  
Total liabilities 1,127  
Sales 3,562  
Profit (loss) for the period 313  
KEPCO E&C Service Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 2,514  
Total liabilities 1,549  
Sales 4,989  
Profit (loss) for the period 464  
Moha Solar Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 7,390  
Total liabilities 7,809  
Sales 0  
Profit (loss) for the period (364)  
Ogiri Solar Power Co., Ltd.    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,032  
Total liabilities 0  
Sales 0  
Profit (loss) for the period 0  
KHNP USA LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 464  
Total liabilities 23  
Sales 229  
Profit (loss) for the period 119  
KOMIPO Vanphong Power Service LLC    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 1,727  
Total liabilities 12  
Sales 0  
Profit (loss) for the period (34)  
Energy Innovation Fund I    
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items]    
Total assets 8,412  
Total liabilities 1  
Sales 25  
Profit (loss) for the period ₩ (201)  
[1] Financial information of EWP America Inc. includes that of four other subsidiaries, EWP Renewable Corporation, DG Fairhaven Power, LLC, California Power Holdings, LLC, and EWPRC Biomass Holdings, LLC.
[2] Financial information of EWP America Inc. includes that of six other subsidiaries, EWP Renewable Corporation, DG Fairhaven Power, LLC, DG Whitefield, LLC, Springfield Power, LLC, California Power Holdings, LLC, and EWPRC Biomass Holdings, LLC.
[3] Financial information of Energy New Industry Specialized Investment Private Investment Trust includes that of four other subsidiaries, BSK E-New Industry Fund VII, e-New Industry LB Fund 1, Songhyun e-New Industry Fund and BSK E-New Industry Fund X.
[4] Financial information of Energy New Industry Specialized Investment Private Investment Trust includes that of three other subsidiaries, BSK E-New Industry Fund VII, e-New Industry LB Fund 1 and Songhyun e-New Industry Fund.