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v3.25.1

Related Parties (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Disclosure of transactions between related parties [abstract] |
Summary of Related Party Transactions |
(3) | Related party transactions for the years ended December 31, 2022, 2023 and 2024 are as follows:
<Sales and Others>
|  |  |  |  |  |  | Sales and others |
Company name |  | Transaction type |  |  |  |  | 2022 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Korea Gas Corporation |  | Electricity sales |  | ￦ |  |  |  |  | 155,309 |  |  |  | 140,630 |  |  |  | 149,095 |
Goseong Green Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,062,108 |  |  |  | 842,270 |  |  |  | 612,327 |
Dongducheon Dream Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 8,942 |  |  |  | 16,138 |  |  |  | 17,151 |
Saemangeum Sebit Power Plant Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,418 |  |  |  | 2,313 |  |  |  | 1,693 |
Daejung Offshore Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 46 |  |  |  | 84 |  |  |  | 87 |
Daegu Photovoltaic Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 268 |  |  |  | 408 |  |  |  | 344 |
Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2 |  |  |  | 3 |  |  |  | 3 |
Korea Electric Power Industrial Development Co., Ltd. |  | Service |  |  |  |  |  |  | 10,369 |  |  |  | 11,115 |  |  |  | 11,180 |
Gangneung Eco Power Co., Ltd. |  | Fuel sales |  |  |  |  |  |  | 459,404 |  |  |  | 943,063 |  |  |  | 494,428 |
Shin Pyeongtaek Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 27,486 |  |  |  | 91,830 |  |  |  | 55,610 |
Noeul Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 9,396 |  |  |  | 8,431 |  |  |  | 8,009 |
Samcheok Eco Materials Co., Ltd.(*1) |  | Electricity sales |  |  |  |  |  |  | 546 |  |  |  | 615 |  |  |  | — |
YTN Co., Ltd.(*3) |  | Electricity sales |  |  |  |  |  |  | 2,180 |  |  |  | 2,908 |  |  |  | — |
Busan Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 5,055 |  |  |  | 10,733 |  |  |  | 11,794 |
Korea Electric Vehicle Charging Service (*7) |  | Electricity sales |  |  |  |  |  |  | 3,686 |  |  |  | — |  |  |  |  |
Energy Infra Asset Management Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 89 |  |  |  | 89 |
Gangwon Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,549 |  |  |  | 2,464 |  |  |  | 1,736 |
Gwangyang Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,848 |  |  |  | 1,492 |  |  |  | 1,479 |
Bigeum Resident Photovoltaic Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 660 |  |  |  | 888 |  |  |  | 919 |
Yanggu Floating Photovoltaic Power Plant Inc. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 6 |
Hyundai Green Power Co., Ltd. |  | Electricity sales and design service |  |  |  |  |  |  | 7,063 |  |  |  | 6,668 |  |  |  | 6,659 |
Korea Power Exchange |  | Service |  |  |  |  |  |  | 16,596 |  |  |  | 52,262 |  |  |  | 78,346 |
Taebaek Wind Power Co., Ltd. (*4) |  | Service |  |  |  |  |  |  | 861 |  |  |  | — |  |  |  | — |
Taebaek Guinemi Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 26 |
Pyeongchang Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,323 |  |  |  | — |  |  |  | — |
Daeryun Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2,016 |  |  |  | 3,187 |  |  |  | 3,628 |
Changjuk Wind Power Co., Ltd. (*6) |  | Electricity sales |  |  |  |  |  |  | 1,350 |  |  |  | — |  |  |  | — |
GS Donghae Electric Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 5,238 |  |  |  | 28,164 |  |  |  | 9,284 |
KNH Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 13 |  |  |  | 15 |  |  |  | 1,635 |
S-Power Co., Ltd. |  | Service |  |  |  |  |  |  | 4,588 |  |  |  | 4,965 |  |  |  | 2,359 |
Chuncheon Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2 |  |  |  | 82 |  |  |  | 11,010 |
Yeongyang Wind Power Corporation II |  | Comission |  |  |  |  |  |  | — |  |  |  | 150 |  |  |  | 150 |
PND Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 427 |  |  |  | 547 |  |  |  | 348 |
Hyundai Eco Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 277 |  |  |  | 1,236 |  |  |  | 833 |
YeongGwang Yaksu Wind Electric Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 66 |  |  |  | 96 |  |  |  | 237 |
Taebaek Gadeoksan Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,952 |  |  |  | 3,998 |  |  |  | 2,464 |
Korea Energy Solutions Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2 |  |  |  | 2 |  |  |  | 2 |
ITR Co., Ltd. |  | Service |  |  |  |  |  |  | 6 |  |  |  | 3 |  |  |  | — |
STN Co., Ltd. (formerly, Structure test network Co., Ltd.) |  | Service |  |  |  |  |  |  | 7 |  |  |  | — |  |  |  | 1 |
Namjeongsusang Solar Power Operation Co., Ltd. (*2) |  | Electricity sales |  |  |  |  |  |  | 21 |  |  |  | 31 |  |  |  | — |
|  |  |  |  |  |  | Sales and others |
Company name |  | Transaction type |  |  |  |  | 2022 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Hanwha Corporation-linked Sunlight Power Special Private Equity Investment Trust No. 1 |  | Service |  | ￦ |  |  |  |  | 394 |  |  |  | 405 |  |  |  | 360 |
Bitgoel Eco Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,397 |  |  |  | 1,581 |  |  |  | 3,377 |
Jeju Gimnyeong Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 367 |  |  |  | 315 |  |  |  | 458 |
Seoroseoro Sunny Power Plant Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1 |  |  |  | 2 |  |  |  | 2 |
Muan Solar park Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 950 |  |  |  | 3,083 |  |  |  | 1,797 |
YuDang Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 160 |  |  |  | 100 |  |  |  | 60 |
Anjwa Smart Farm & Solar City Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,068 |  |  |  | 2,479 |  |  |  | 971 |
KPE Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 185 |  |  |  | 163 |  |  |  | 226 |
Saemangeum Heemang Photovoltaic Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 5,740 |  |  |  | 3,538 |  |  |  | 2,232 |
UD4M Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2 |  |  |  | 3 |  |  |  | 8 |
Dongbu Highway Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 8 |  |  |  | 11 |  |  |  | 11 |
Seobu Highway Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 8 |  |  |  | 12 |  |  |  | 13 |
Songsan Green Energy Co., Ltd. |  | Interest income/ Dividends income |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 174 |
Gwangbaek Solar Power Investment Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 644 |  |  |  | 523 |
Go deok Clean Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 4,685 |  |  |  | 11,376 |
Changwon SG Energy Co., Ltd. |  |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 9 |
SureDataLab Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |
Suwon New Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 118 |  |  |  | 91 |  |  |  | (102 | )
Kosture Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 5 |  |  |  | — |  |  |  | — |
PlatformN. Co., Ltd. |  | Others |  |  |  |  |  |  | 14 |  |  |  | 16 |  |  |  | — |
Muan Sunshine Solar Power Plant Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 17 |  |  |  | 403 |  |  |  | 630 |
Gangneung Sacheon Fuel Cell Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 151 |  |  |  | 133 |  |  |  | 8,343 |
13 Associates (Overseas) |  | Electricity sales |  |  |  |  |  |  | 548,507 |  |  |  | 386,191 |  |  |  | 243,651 |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Seobusambo highway photovoltaics Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 3 |  |  |  | 16 |  |  |  | 20 |
Yangyang Suri Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 169 |  |  |  | 202 |
Naepo Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 761 |  |  |  | 3,462 |  |  |  | 3,972 |
Cheongna Energy Co., Ltd. |  | Others |  |  |  |  |  |  | 39,802 |  |  |  | 32,835 |  |  |  | 38,349 |
Namyangju Combined Heat and Power Co., Ltd. |  | Service |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,493 |
Boim Combined Heat and Power Generation Co., Ltd. |  | Service |  |  |  |  |  |  | 7,761 |  |  |  | 2,110 |  |  |  | 2,073 |
Daegu Green Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,190 |  |  |  | 1,694 |  |  |  | 2,385 |
KAPES, Inc. |  | Commission |  |  |  |  |  |  | 450 |  |  |  | 1,604 |  |  |  | 1,531 |
Honam Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 242 |  |  |  | 610 |  |  |  | 529 |
Korea Power Engineering Service Co., Ltd. |  | Service |  |  |  |  |  |  | 268 |  |  |  | 159 |  |  |  | 777 |
Seokmun Energy Co., Ltd. |  | Service |  |  |  |  |  |  | 1,685 |  |  |  | 1,792 |  |  |  | 1,774 |
Incheon New Power Co., Ltd. |  | Construction revenue |  |  |  |  |  |  | 14 |  |  |  | 458 |  |  |  | 26 |
Chun-cheon Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2,505 |  |  |  | 2,976 |  |  |  | 968 |
Yeonggwangbaeksu Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,898 |  |  |  | 1,962 |  |  |  | 2,031 |
|  |  |  |  |  |  | Sales and others |
Company name |  | Transaction type |  |  |  |  | 2022 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Yeonggwang Wind Power Co., Ltd. |  | Electricity sales |  | ￦ |  |  |  |  | 871 |  |  |  | 3,607 |  |  |  | 943 |
NH-Amundi Global Infrastructure Investment Private Investment Trust 21 |  | Service |  |  |  |  |  |  | 1,415 |  |  |  | 1,568 |  |  |  | — |
Seungmun Green Energy |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 79 |
KW Nuclear Components Co., Ltd. |  | Service |  |  |  |  |  |  | 1,624 |  |  |  | 1,612 |  |  |  | 1,645 |
Taebaek Wind Power Co., Ltd. (*4) |  | Others |  |  |  |  |  |  | — |  |  |  | 2,864 |  |  |  | 41 |
Pyeongchang Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 2,087 |  |  |  | 771 |
KEPCO-Uhde Inc. (* 5 ) |  | Electricity sales |  |  |  |  |  |  | 12 |  |  |  | — |  |  |  | — |
Busan Shinho Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 502 |  |  |  | 1,205 |  |  |  | 699 |
Expressway Solar-light Power Generation Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 43 |  |  |  | — |
Goheung New Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 141 |  |  |  | 3,214 |  |  |  | 3,106 |
Gunsan Land Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 518 |  |  |  | 809 |  |  |  | 944 |
Daesan Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 394 |  |  |  | 760 |  |  |  | 426 |
Cheong-Song Noraesan Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 698 |  |  |  | 901 |  |  |  | 38 |
Chungsongmeon BongSan wind power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | 1 |
Saemangeum Solar Power Co., Ltd. |  | Service |  |  |  |  |  |  | 100 |  |  |  | — |  |  |  | — |
Dangjin Eco Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 32 |  |  |  | 40 |  |  |  | 42 |
Yangyang Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 13 |  |  |  | 238 |
Energyco Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 463 |  |  |  | 457 |  |  |  | 161 |
Hapcheon Floating Photovoltaic Power Plant Inc. |  | Electricity sales |  |  |  |  |  |  | 544 |  |  |  | 88 |  |  |  | 905 |
Busan Industrial Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 14 |  |  |  | 22 |  |  |  | 23 |
Bitsolar Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 498 |  |  |  | 357 |  |  |  | 464 |
Omisan Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1 |  |  |  | 26 |  |  |  | 279 |
Changwon Nu-ri Energy Co., Ltd. |  | Service |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 171 |
Jeonju Bio Green Energy Co., Ltd. |  | Service |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 170 |
Haemodum Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 42 |  |  |  | 431 |  |  |  | 39 |
Yeongam Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 379 |  |  |  | 1,131 |  |  |  | 545 |
Samsu Wind Power Co., Ltd |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 514 |  |  |  | 301 |
Solaseado Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,851 |  |  |  | 1,876 |  |  |  | 1,870 |
Shin-han BNPP Private Investment Trust for East-West Sunlight Dream |  | Dividends income |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 87 |
Yeongwol Eco Wind Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 102 |  |  |  | — |
Gurae Resident Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 8 |  |  |  | — |
Cheongju Eco Park Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 204 |  |  |  | 6,397 |  |  |  | 316 |
Enel X Midland Photovoltaic, LLC |  | Electricity sales |  |  |  |  |  |  | 12 |  |  |  | 11 |  |  |  | 11 |
Eumseong Eco Park Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2 |  |  |  | 19 |  |  |  | 19 |
Geumsungsan Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 7 |  |  |  | 68 |  |  |  | 58 |
43 Joint ventures (Overseas) |  | Electricity sales |  |  |  |  |  |  | 606,513 |  |  |  | 747,301 |  |  |  | 518,941 |
<Others> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Korea Development Bank |  | Electricity sales |  |  |  |  |  |  | 4,134 |  |  |  | 5,467 |  |  |  | 4,368 |
|  | Interest income |  |  |  |  |  |  | 2,222 |  |  |  | 5,930 |  |  |  | 10,324 |
<Purchase and Others>
|  |  |  |  |  |  | Purchase and others |
Company name |  | Transaction type |  |  |  |  | 2022 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Korea Gas Corporation |  | Electricity sales |  | ￦ |  |  |  |  | 11,996,402 |  |  |  | 8,873,781 |  |  |  | 6,623,974 |
Goseong Green Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,905,502 |  |  |  | 1,572,074 |  |  |  | 1,301,710 |
Dongducheon Dream Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2,244,332 |  |  |  | 1,744,247 |  |  |  | 1,360,837 |
Saemangeum Sebit Power Plant Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 23,159 |  |  |  | 22,365 |  |  |  | 19,753 |
Daegu Photovoltaic Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 4,744 |  |  |  | 4,247 |  |  |  | 3,815 |
Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 563 |  |  |  | 408 |  |  |  | 427 |
Korea Electric Power Industrial Development Co., Ltd. |  | Service |  |  |  |  |  |  | 251,468 |  |  |  | 305,105 |  |  |  | 317,114 |
Gangneung Eco Power Co., Ltd. |  | Others |  |  |  |  |  |  | — |  |  |  | 6,996 |  |  |  | 1,134 |
Shin Pyeongtaek Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 957,294 |  |  |  | 1,040,965 |  |  |  | 843,056 |
Noeul Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 14,176 |  |  |  | 10,466 |  |  |  | 20,833 |
Samcheok Eco Materials Co., Ltd.(*1) |  | Electricity sales |  |  |  |  |  |  | 12,019 |  |  |  | 8,130 |  |  |  | — |
YTN Co., Ltd.(*3) |  | Electricity sales |  |  |  |  |  |  | 304 |  |  |  | 309 |  |  |  | — |
Busan Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 26,219 |  |  |  | 23,211 |  |  |  | 28,272 |
Energy Infra Asset Management Co., Ltd. |  | Service |  |  |  |  |  |  | 2,779 |  |  |  | 2,701 |  |  |  | 2,631 |
Yaksu ESS Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 851 |  |  |  | 508 |  |  |  | 749 |
Gangwon Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 40,130 |  |  |  | 32,525 |  |  |  | 23,400 |
Bigeum Resident Photovoltaic Power Co., Ltd. |  | Others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 285 |
Yanggu Floating Photovoltaic Power Plant Inc. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 562 |
Goesan Solar park Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 7,642 |  |  |  | 6,530 |  |  |  | 6,143 |
Korea Power Exchange |  | Service |  |  |  |  |  |  | 93,817 |  |  |  | 82,572 |  |  |  | 90,549 |
Taebaek Wind Power Co., Ltd. (*4) |  | Service and REC |  |  |  |  |  |  | 7,442 |  |  |  | — |  |  |  | — |
Taebaek Guinemi Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 6,793 |  |  |  | 5,529 |  |  |  | 5,155 |
Pyeongchang Wind Power Co., Ltd. |  | Design service and others |  |  |  |  |  |  | 3,884 |  |  |  | — |  |  |  | — |
Daeryun Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 428,534 |  |  |  | 353,371 |  |  |  | 282,968 |
Changjuk Wind Power Co., Ltd. (*6) |  | Electricity sales |  |  |  |  |  |  | 9,027 |  |  |  | — |  |  |  | — |
GS Donghae Electric Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,035,263 |  |  |  | 1,047,584 |  |  |  | 519,119 |
KNH Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 4,348 |  |  |  | 3,535 |  |  |  | 2,671 |
S-Power Co., Ltd. |  | Service |  |  |  |  |  |  | 1,091,741 |  |  |  | 973,646 |  |  |  | 693,948 |
Chuncheon Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 39,333 |
Yeongyang Wind Power Corporation II |  | Comission |  |  |  |  |  |  | — |  |  |  | 1,457 |  |  |  | 17,898 |
PND Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 6,173 |  |  |  | 5,301 |  |  |  | 5,231 |
Hyundai Eco Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 29,209 |  |  |  | 26,266 |  |  |  | 26,253 |
YeongGwang Yaksu Wind Electric Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 7,382 |  |  |  | 6,776 |  |  |  | 7,415 |
Taebaek Gadeoksan Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 25,880 |  |  |  | 34,940 |  |  |  | 32,549 |
Korea Energy Solutions Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 102 |  |  |  | 128 |  |  |  | 132 |
STN Co., Ltd. (formerly, Structure test network Co., Ltd.) |  | Others |  |  |  |  |  |  | — |  |  |  | 10 |  |  |  | 8 |
Green Energy Electricity Generation Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2,962 |  |  |  | 948 |  |  |  | 1,966 |
Namjeongsusang Solar Power Operation Co., Ltd. (*2) |  | Electricity sales |  |  |  |  |  |  | 9,491 |  |  |  | — |  |  |  | — |
Bitgoel Eco Energy Co., Ltd. |  | Service and others |  |  |  |  |  |  | 930 |  |  |  | 28,334 |  |  |  | 32,413 |
Jeju Gimnyeong Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 12,364 |  |  |  | 8,635 |  |  |  | 10,161 |
Seoroseoro Sunny Power Plant Co., Ltd. |  | REC and others |  |  |  |  |  |  | 1,138 |  |  |  | 874 |  |  |  | 991 |
|  |  |  |  |  |  | Purchase and others |
Company name |  | Transaction type |  |  |  |  | 2022 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Muan Solar Park Co., Ltd. |  | REC and others |  | ￦ |  |  |  |  | 17,052 |  |  |  | 16,554 |  |  |  | 17,825 |
YuDang Solar Co., Ltd. |  | REC and others |  |  |  |  |  |  | 1,915 |  |  |  | 1,860 |  |  |  | 2,020 |
Anjwa Smart Farm & Solar City Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 16,942 |  |  |  | 17,332 |  |  |  | 19,494 |
KPE Green Energy Co., Ltd. |  | Others |  |  |  |  |  |  | 42,651 |  |  |  | 62,212 |  |  |  | 41,197 |
Saemangeum Heemang Photovoltaic Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1,039 |  |  |  | 440 |  |  |  | 2,745 |
G.GURU Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 452 |  |  |  | — |  |  |  | — |
UD4M Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 313 |  |  |  | 117 |  |  |  | — |
Dongbu Highway Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 3,516 |  |  |  | 2,937 |  |  |  | 2,951 |
Seobu Highway Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 3,452 |  |  |  | 2,880 |  |  |  | 2,899 |
REC’s Innovation Co., Ltd. (formerly, Wang San Engineering. Co,. Ltd.) |  | Interest income/ Dividends income |  |  |  |  |  |  | — |  |  |  | 6 |  |  |  | 23 |
Dreams Co.,Ltd. |  | Others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 30 |
DEEPAI Co.,Ltd. |  | Others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 30 |
Green Radiation Co., Ltd. |  | Ordinary development expense |  |  |  |  |  |  | — |  |  |  | 11 |  |  |  | 45 |
Gwangbaek Solar Power Investment Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 602 |  |  |  | 565 |  |  |  | 499 |
Go deok Clean Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 11,545 |  |  |  | 35,055 |
Changwon SG Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,080 |
SureDataLab Co., Ltd. |  | Others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 72 |
PlatformN. Co., Ltd. |  | Others |  |  |  |  |  |  | 475 |  |  |  | — |  |  |  | 237 |
Muan Sunshine Solar Power Plant Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 19,514 |  |  |  | 16,328 |  |  |  | 15,697 |
Gangneung Sacheon Fuel Cell Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 1,324 |  |  |  | 32,689 |
13 Associates (Overseas) |  | Electricity sales |  |  |  |  |  |  | 101,790 |  |  |  | 91,233 |  |  |  | 98,753 |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Seobusambo highway photovoltaics Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 103 |  |  |  | 502 |  |  |  | 825 |
Cheongna Energy Co., Ltd. |  | Service |  |  |  |  |  |  | 80 |  |  |  | 60 |  |  |  | 60 |
Boim Combined Heat and Power Generation Co., Ltd. |  | Service |  |  |  |  |  |  | 13,872 |  |  |  | 8,151 |  |  |  | 3,038 |
Daegu Green Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 508,601 |  |  |  | 370,787 |  |  |  | 328,485 |
KAPES, Inc. |  | Commission |  |  |  |  |  |  | 9,306 |  |  |  | 19,112 |  |  |  | 23,924 |
Honam Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 7,662 |  |  |  | 8,643 |  |  |  | 7,148 |
Korea Power Engineering Service Co., Ltd. |  | Service |  |  |  |  |  |  | 830 |  |  |  | 812 |  |  |  | 551 |
Seokmun Energy Co., Ltd. |  | Service |  |  |  |  |  |  | 60,799 |  |  |  | 60,009 |  |  |  | 51,924 |
Chun-cheon Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 585,689 |  |  |  | 585,656 |  |  |  | 430,697 |
Yeonggwangbaeksu Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 13,990 |  |  |  | 17,228 |  |  |  | 12,294 |
Samcheok Eco Materials Co., Ltd. (*1) |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,282 |
Yeonggwang Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 31,221 |  |  |  | 40,605 |  |  |  | 31,712 |
Seungmun Green Energy |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 25,725 |
KW Nuclear Components Co., Ltd. |  | Service |  |  |  |  |  |  | 9,504 |  |  |  | 14,114 |  |  |  | 6,880 |
Taebaek Wind Power Co., Ltd. (*4) |  | Service |  |  |  |  |  |  | — |  |  |  | 7,476 |  |  |  | 6,327 |
Pyeongchang Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 3,542 |  |  |  | 3,079 |
Busan Shinho Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 10,601 |  |  |  | 10,248 |  |  |  | 8,467 |
Global Trade Of Power System Co., Ltd. |  | Service |  |  |  |  |  |  | 715 |  |  |  | 223 |  |  |  | 511 |
|  |  |  |  |  |  | Purchase and others |
Company name |  | Transaction type |  |  |  |  | 2022 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expressway Solar-light Power Generation Co., Ltd. |  | Electricity sales |  | ￦ |  |  |  |  | 4,016 |  |  |  | 3,362 |  |  |  | 3,165 |
Goheung New Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 5,264 |  |  |  | 10,133 |
Gunsan Land Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 533 |  |  |  | 486 |  |  |  | 2,752 |
Daesan Green Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 129,736 |  |  |  | 139,721 |  |  |  | 154,623 |
Cheong-Song Noraesan Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 980 |  |  |  | 882 |  |  |  | 2,048 |
Saemangeum Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 1 |  |  |  | — |  |  |  | — |
Dangjin Eco Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 5,696 |  |  |  | 5,583 |  |  |  | 3,645 |
Yangyang Wind Power Co., Ltd. |  | Service and Electricity sales |  |  |  |  |  |  | — |  |  |  | 10 |  |  |  | 3,599 |
Energyco Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 7,898 |  |  |  | 6,539 |  |  |  | 5,788 |
Hapcheon Floating Photovoltaic Power Plant Inc. |  | Service and REC |  |  |  |  |  |  | 2,526 |  |  |  | — |  |  |  | 4,759 |
Busan Industrial Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 4,575 |  |  |  | 3,656 |  |  |  | 2,493 |
Bitsolar Energy Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 13,030 |  |  |  | 12,946 |  |  |  | 9,072 |
Omisan Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 638 |
Haemodum Solar Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 2,168 |  |  |  | 402 |  |  |  | 544 |
Yeongam Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 44,745 |  |  |  | 34,981 |  |  |  | 24,004 |
Samsu Wind Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 10,605 |  |  |  | 8,269 |  |  |  | 6,864 |
Solaseado Solar Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 28,698 |  |  |  | 18,259 |  |  |  | 24,899 |
Yeongwol Eco Wind Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,496 |
Gurae Resident Power Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | 476 |
Cheongju Eco Park Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | 94,409 |  |  |  | 95,059 |  |  |  | 34,601 |
Enel X Midland Photovoltaic, LLC |  | Electricity sales |  |  |  |  |  |  | 1,871 |  |  |  | 2,431 |  |  |  | 3,200 |
Eumseong Eco Park Co., Ltd. |  | Electricity sales |  |  |  |  |  |  | — |  |  |  | 27,765 |  |  |  | 26,372 |
43 Joint ventures (Overseas) |  | Electricity sales |  |  |  |  |  |  | 16,859 |  |  |  | 17,222 |  |  |  | 14,796 |
<Others> |  |  |  |  |  |  |  |  |  |  |  |  |  |
Korea Development Bank |  | Interest expense |  |  |  |  |  |  | 4,208 |  |  |  | 5,559 |  |  |  | 7,839 |
|  | Dividends paid |  |  |  |  |  |  | 12 |  |  |  | — |  |  |  | — |
(*1) | Samcheok Eco Materials Co., Ltd. was reclassified from an associate to a joint venture for the year ended December 31, 2024.
(*2) | Namjeongsusang Solar Power Operation Co., Ltd. is not a related party of the Company as of December 31, 2024, as the sale of shares was completed for the year ended December 31, 2023.
(*3) | YTN Co., Ltd. is not a related party of the Company as of December 31, 2024, as the sale of shares was completed for the year ended December 31, 2024.
(*4) | Taebaek Wind Power Co., Ltd. was changed from an associate to a joint venture for the year ended December 31, 2023.
(*5) | KEPCO-Uhde Inc. is not a related party of the Company as of December 31, 2023 as the liquidation process was completed for the year ended December 31, 2023.
(*6) | Changjuk Wind Power Co., Ltd. was reclassified from an associate to a subsidiary for the year ended December 31, 2022, and the amount is before reclassification to a subsidiary.
(*7) | Korea Electric Vehicle Charging Service is not a related party of the Company as of December 31, 202 2 as the sale of shares was completed for the year ended December 31, 2022.
Summary of Receivables and Payables Arising From Related Party Transactions |
(4) | Receivables and payables arising from related party transactions as of December 31, 2023 and 2024 are as follows:
|  |  |  |  |  |  | Receivables |  |  | Payables |
Company name |  | Type |  |  |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Korea Gas Corporation |  | Trade receivables |  | ￦ |  |  |  |  | 14,671 |  |  |  | 15,766 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 12,513 |  |  |  | 404 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 480,974 |  |  |  | 482,008 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,378 |  |  |  | 1,486 |
Goseong Green Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 55,719 |  |  |  | 30,732 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 15 |  |  |  | 1,438 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 120,270 |  |  |  | 162,719 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 48,621 |  |  |  | 45,174 |
Dongducheon Dream Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 2,573 |  |  |  | 6,350 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 478 |  |  |  | 637 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 117,975 |  |  |  | 114,962 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 29 |
Saemangeum Sebit Power Plant Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | — |  |  |  | 156 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 341 |  |  |  | 47 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,499 |
Green Radiation Co., Ltd. |  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 30 |
Daejung Offshore Wind Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 263 |  |  |  | 349 |  |  |  | — |  |  |  | — |
Daegu Photovoltaic Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 105 |  |  |  | 108 |
Korea Electric Power Industrial |  | Trade receivables |  |  |  |  |  |  | 176 |  |  |  | 123 |  |  |  | — |  |  |  | — |
Development Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,021 |  |  |  | 1,291 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 8,077 |  |  |  | 8,832 |
Gangneung Eco Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 59,623 |  |  |  | 8,142 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 94 |  |  |  | 105 |
Shin Pyeongtaek Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1,814 |  |  |  | 1,720 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 4,933 |  |  |  | 5,812 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 86,801 |  |  |  | 77,222 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 385 |  |  |  | 2,450 |
Noeul Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 6 |  |  |  | 5 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 18,356 |  |  |  | 27,043 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,005 |  |  |  | 3,699 |
Samcheok Eco Materials Co., Ltd. (*1) |  | Trade receivables |  |  |  |  |  |  | 33 |  |  |  | — |  |  |  | — |  |  |  | — |
YTN Co., Ltd. (*2) |  | Trade receivables |  |  |  |  |  |  | 133 |  |  |  | — |  |  |  | — |  |  |  | — |
Busan Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 32,720 |  |  |  | 43,790 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,642 |  |  |  | 4,799 |
Energy Infra Asset Management Co., Ltd. |  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |
Yaksu ESS Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 538 |  |  |  | 923 |
Gangwon Wind Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 13 |  |  |  | 10 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,206 |  |  |  | 4,023 |
Gwangyang Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1,069 |  |  |  | 1,040 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 716 |  |  |  | 1,016 |  |  |  | — |  |  |  | — |
Bigeum Resident Photovoltaic Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 406 |  |  |  | 273 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 1,316 |  |  |  | 1,796 |  |  |  | — |  |  |  | — |
Goesan Solar park Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 56 |  |  |  | — |
Hyundai Green Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 903 |  |  |  | 893 |  |  |  | — |  |  |  | — |
Korea Power Exchange |  | Trade receivables |  |  |  |  |  |  | 1,583 |  |  |  | 2,434 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 16,367 |  |  |  | 2,688 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,520 |  |  |  | 1,571 |
Taebaek Guinemi Wind Power Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 572 |  |  |  | 840 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 286 |  |  |  | 167 |
Daeryun Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 326 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 32,140 |  |  |  | 35,392 |
GS Donghae Electric Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 159 |  |  |  | 22 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 169 |  |  |  | 109 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 72,951 |  |  |  | 90,468 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 125 |  |  |  | — |
|  |  |  |  |  |  | Receivables |  |  | Payables |
Company name |  | Type |  |  |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
KNH Solar Co., Ltd. |  | Trade receivables |  | ￦ |  |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 19 |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | — |
S-Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 213 |  |  |  | 264 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 53 |  |  |  | 54 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 79,459 |  |  |  | 73,377 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 19 |
Chuncheon Green Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 10,870 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 8,881 |
Yeongyang Wind Power Corporation II |  | Non-trade receivables and others |  |  |  |  |  |  | 165 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,978 |
PND solar Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 296 |  |  |  | 418 |
Hyundai Eco Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 28 |  |  |  | 25 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 408 |  |  |  | 647 |
YeongGwang Yaksu Wind Electric Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 10 |  |  |  | 7 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 2,294 |  |  |  | 2,858 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 828 |  |  |  | 1,034 |
Taebaek Gadeoksan Wind Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 1,539 |  |  |  | 62 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 12,739 |  |  |  | 9,249 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 7 |  |  |  | 1 |
Green Energy Electricity Generation Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 62 |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 45 |  |  |  | — |
Bitgoel Eco Energy Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 6,226 |  |  |  | 5,394 |
|  | Non-trade receivables and others |  |  |  |  |  |  | 131 |  |  |  | 2 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,458 |
Jeju Gimnyeong Wind Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 112 |  |  |  | 143 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,467 |  |  |  | 2,152 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 9 |  |  |  | 5 |
Muan Solar Park Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 4 |  |  |  | 4 |  |  |  | — |  |  |  | — |
Anjwa Smart Farm & Solar City Co., Ltd. |  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,296 |  |  |  | 1,797 |
KPE Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 130 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 5,485 |  |  |  | 5,521 |
Saemangeum Heemang Photovoltaic Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |
Dongbu Highway Solar Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 241 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |
Seobu Highway Solar Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 231 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2 |
Songsan Green Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 190 |  |  |  | — |  |  |  | — |
Dreams Co.,Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 30 |
DEEPAI Co.,Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 30 |
Go deok Clean Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 4,562 |  |  |  | 10,118 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 5,288 |  |  |  | 3,022 |
Suwon New Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 876 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 560 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |
Muan Sunshine Solar Power Plant Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,440 |  |  |  | 1,954 |
Gangneung Sacheon Fuel Cell Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | — |  |  |  | 8,343 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,201 |
9 Associates (Overseas) |  | Trade receivables |  |  |  |  |  |  | 77,814 |  |  |  | 59,651 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 6,242 |  |  |  | — |
|  |  |  |  |  |  | Receivables |  |  | Payables |
Company name |  | Type |  |  |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Daegu Green Power Co., Ltd. |  | Trade receivables |  | ￦ |  |  |  |  | 122 |  |  |  | 182 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 55 |  |  |  | 503 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 32,222 |  |  |  | 25,622 |
Seobusambo highway photovoltaics Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 4 |  |  |  | 4 |  |  |  | — |  |  |  | — |
Yangyang Suri Wind Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 55 |  |  |  | 55 |  |  |  | — |  |  |  | — |
KAPES, Inc. |  | Trade receivables |  |  |  |  |  |  | 4 |  |  |  | 4 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 89 |  |  |  | 90,088 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,791 |  |  |  | 3,041 |
Honam Wind Power Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 515 |  |  |  | 515 |
Korea Power Engineering Service Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 48 |  |  |  | 52 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 76 |  |  |  | — |
Seokmun Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 44 |  |  |  | 35 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 199 |  |  |  | 862 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 7,000 |  |  |  | 7,156 |
Incheon New Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | — |  |  |  | 9 |  |  |  | — |  |  |  | — |
Naepo Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 190 |  |  |  | 325 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 1 |  |  |  | 458 |  |  |  | — |  |  |  | — |
Chun-cheon Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 239 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 165 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 79,117 |  |  |  | 35,325 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | — |
Yeonggwangbaeksu Wind Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 10 |  |  |  | 9 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 178 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,076 |  |  |  | 962 |
Cheongna Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 13,898 |  |  |  | 7,033 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 2,160 |  |  |  | 3,229 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | 8 |
Yeonggwang Wind Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 15 |  |  |  | 12 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 56 |  |  |  | 58 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,251 |  |  |  | 4,591 |
Seungmun Green Energy |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 34 |  |  |  | — |  |  |  | — |
KW Nuclear Components Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 17 |  |  |  | — |  |  |  | — |  |  |  | — |
Boim Combined Heat and Power Generation Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 84 |  |  |  | 47 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 10,779 |  |  |  | 3,208 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 721 |  |  |  | 445 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 14,193 |  |  |  | 13,824 |
Taebaek Wind Power Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 603 |  |  |  | 691 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 341 |  |  |  | 184 |
|  | Trade receivables |  |  |  |  |  |  | 4 |  |  |  | — |  |  |  | — |  |  |  | — |
Busan Shinho Solar Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 3 |  |  |  | 3 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 304 |  |  |  | 915 |
Global Trade Of Power System Co., Ltd. |  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 7 |
Expressway Solar-light Power Generation Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 220 |  |  |  | 432 |
Goheung New Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | — |  |  |  | 21 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 8 |  |  |  | — |  |  |  | — |
Gunsan Land Solar Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 295 |  |  |  | 217 |  |  |  | — |  |  |  | — |
Daesan Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 13 |  |  |  | 4 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 170 |  |  |  | 211 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 4,946 |  |  |  | 3,819 |
Cheong-Song Noraesan Wind Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 2 |  |  |  | — |  |  |  | — |  |  |  | — |
Saemangeum Solar Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 4,368 |  |  |  | 4,368 |  |  |  | — |  |  |  | — |
Dangjin Eco Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 4 |  |  |  | 4 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 222 |  |  |  | 282 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 176 |  |  |  | 181 |
Yangyang Wind Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 13 |  |  |  | 163 |  |  |  | — |  |  |  | — |
|  |  |  |  |  |  | Receivables |  |  | Payables |
Company name |  | Type |  |  |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2024 |
|  |  |  |  |  |  | In millions of won |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Energyco Co., Ltd. |  | Non-trade receivables and others |  | ￦ |  |  |  |  | 3 |  |  |  | 124 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 99 |  |  |  | 432 |
Hapcheon Floating Photovoltaic Power Plant Inc. |  | Trade receivables |  |  |  |  |  |  | 10 |  |  |  | 12 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 68 |  |  |  | 59 |  |  |  | — |  |  |  | — |
Busan Industrial Solar Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 2 |  |  |  | 2 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 240 |
Bitsolar Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | — |  |  |  | 12 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 1 |  |  |  | 444 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 201 |  |  |  | 207 |
Omisan Wind Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 146 |  |  |  | — |  |  |  | — |
Changwon Nu-ri Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 188 |  |  |  | — |  |  |  | — |
Jeonju Bio Green Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 187 |  |  |  | — |  |  |  | — |
Haemodum Solar Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
Yeongam Solar Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 56 |  |  |  | 48 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,517 |  |  |  | 5,723 |
Samsu Wind Power Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,229 |  |  |  | 1,834 |
Solaseado Solar Power Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 24 |  |  |  | 15 |  |  |  | — |  |  |  | — |
Cheongju Eco Park Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 6,899 |  |  |  | — |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 13,461 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 7,994 |  |  |  | 9,105 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,853 |
Enel X Midland Photovoltaic, LLC |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 144 |  |  |  | 204 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 49 |  |  |  | 59 |
Geumsungsan Wind Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 4 |  |  |  | 3 |  |  |  | — |  |  |  | — |
27 Joint ventures (Overseas) |  | Trade receivables |  |  |  |  |  |  | 160,474 |  |  |  | 271,219 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 55,897 |  |  |  | 59,839 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 22,877 |  |  |  | 34,932 |
<Others> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Korea Development Bank |  | Non-trade receivables and others |  |  |  |  |  |  | 33,140 |  |  |  | 34,138 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 147 |  |  |  | 231 |
|  | Derivatives and others |  |  |  |  |  |  | 45,898 |  |  |  | 273,627 |  |  |  | 72,050 |  |  |  | 2,421 |
| (*1) | Samcheok Eco Materials Co., Ltd. was reclassified from an associate to a joint venture for the year ended December 31, 2024.
| (*2) | YTN Co., Ltd. is not a related party of the Company as of December 31, 2024, as the sale of shares was completed for the year ended December 31, 2024.
Summary of Loans and Others Arising From Related Party Transaction |
(5) | Loans and others arising from related party transactions as of December 31, 2023 and 2024 are as follows:
Type |  | Company name |  |  |  |  | Beginning balance |  |  | Loans |  |  | Collection |  |  | Others |  |  | Ending balance |
|  |  |  |  |  |  | In millions of won |
Associates |  | KNOC Nigerian East Oil Co., Ltd., KNOC Nigerian West Oil Co., Ltd. |  | ￦ |  |  |  |  | 32,153 |  |  |  | 913 |  |  |  | — |  |  |  | — |  |  |  | 33,066 |
|  | (Allowance for doubtful accounts) |  |  |  |  |  |  | (25,543 | ) |  |  | (913 | ) |  |  | — |  |  |  | (6,610 | ) |  |  | (33,066 | )
Associates |  | Nepal Water & Energy Development Company Private Limited |  |  |  |  |  |  | 18,052 |  |  |  | — |  |  |  | (18,052 | ) |  |  | — |  |  |  | — |
Associates |  | Xe-Pian Xe-Namnoy Power Co., Ltd. |  |  |  |  |  |  | 23,337 |  |  |  | — |  |  |  | — |  |  |  | 3,269 |  |  |  | 26,606 |
Associates |  | PT. Cirebon Energi Prasarana |  |  |  |  |  |  | 35,542 |  |  |  | — |  |  |  | (3,658 | ) |  |  | 6,981 |  |  |  | 38,865 |
Associates |  | Bigeum Resident Photovoltaic Power Co., Ltd. |  |  |  |  |  |  | 9,525 |  |  |  | — |  |  |  | — |  |  |  | (9,525 | ) |  |  | — |
Associates |  | Daejung Offshore Wind Power Co., Ltd. |  |  |  |  |  |  | 1,000 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,000 |
Associates |  | Bitgoel Eco Energy Co., Ltd. |  |  |  |  |  |  | 30,885 |  |  |  | — |  |  |  | (4,260 | ) |  |  | — |  |  |  | 26,625 |
Type |  | Company name |  |  |  |  | Beginning balance |  |  | Loans |  |  | Collection |  |  | Others |  |  | Ending balance |
|  |  |  |  |  |  | In millions of won |
Associates |  | Saemangeum Sebit Power Plant Co., Ltd. |  | ￦ |  |  |  |  | 28,970 |  |  |  | — |  |  |  | (1,420 | ) |  |  | — |  |  |  | 27,550 |
Joint ventures |  | Solaseado Solar Power Co., Ltd. |  |  |  |  |  |  | 35,000 |  |  |  | — |  |  |  | (71 | ) |  |  | — |  |  |  | 34,929 |
Joint ventures |  | Recursos Solares PV de Mexico II, S.A. de C.V. |  |  |  |  |  |  | 10,589 |  |  |  | 2,074 |  |  |  | — |  |  |  | 1,650 |  |  |  | 14,313 |
Joint ventures |  | Horus Solar, S.A. de C.V. |  |  |  |  |  |  | 11,199 |  |  |  | 798 |  |  |  | — |  |  |  | 1,680 |  |  |  | 13,677 |
Joint ventures |  | Sunmex Renovables, S.A. de C.V. |  |  |  |  |  |  | 17,210 |  |  |  | 2,018 |  |  |  | — |  |  |  | 2,565 |  |  |  | 21,793 |
Joint ventures |  | Kelar S.A. |  |  |  |  |  |  | 40,985 |  |  |  | — |  |  |  | (11,582 | ) |  |  | (10,112 | ) |  |  | 19,291 |
Joint ventures |  | DE Energia SpA |  |  |  |  |  |  | 7,386 |  |  |  | — |  |  |  | — |  |  |  | 1,034 |  |  |  | 8,420 |
Joint ventures |  | Daehan Wind Power PSC |  |  |  |  |  |  | 14,872 |  |  |  | — |  |  |  | — |  |  |  | 2,084 |  |  |  | 16,956 |
Joint ventures |  | Bitsolar Energy Co., Ltd. |  |  |  |  |  |  | 3,165 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,165 |
Joint ventures |  | Daesan Green Energy Co., Ltd. |  |  |  |  |  |  | 2,411 |  |  |  | 80 |  |  |  | — |  |  |  | — |  |  |  | 2,491 |
Joint ventures |  | Yangyang Wind Power Co., Ltd. |  |  |  |  |  |  | 3,257 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,257 |
Joint ventures |  | Nghi Son 2 Power LLC |  |  |  |  |  |  | 189,991 |  |  |  | — |  |  |  | (43,906 | ) |  |  | 22,516 |  |  |  | 168,601 |
Joint ventures |  | Pulau Indah Power Plant Sdn. Bhd. |  |  |  |  |  |  | 9,963 |  |  |  | — |  |  |  | — |  |  |  | (9,963 | ) |  |  | — |
Joint ventures |  | Guadalupe Solar SpA |  |  |  |  |  |  | 3,161 |  |  |  | — |  |  |  | (232 | ) |  |  | 423 |  |  |  | 3,352 |
Joint ventures |  | Foresight Iberian Solar Group Holding, S.L. |  |  |  |  |  |  | 64,318 |  |  |  | 222 |  |  |  | — |  |  |  | 6,597 |  |  |  | 71,137 |
Joint ventures |  | Capman Lynx SCA, SICAR |  |  |  |  |  |  | 35,210 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 35,210 |
|  | (Allowance for doubtful accounts) |  |  |  |  |  |  | (35,210 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (35,210 | )
Joint ventures |  | S-Power Chile SpA |  |  |  |  |  |  | 258 |  |  |  | — |  |  |  | — |  |  |  | 36 |  |  |  | 294 |
Joint ventures |  | Omisan Wind Power Co., Ltd. |  |  |  |  |  |  | — |  |  |  | 8,894 |  |  |  | — |  |  |  | — |  |  |  | 8,894 |
|  |  |  | ￦ |  |  |  |  | 567,686 |  |  |  | 14,086 |  |  |  | (83,181 | ) |  |  | 12,625 |  |  |  | 511,216 |
Summary of Borrowings Arising From Related Party Transactions |
(6) | Borrowings arising from related party transactions as of December 31, 2023 and 2024 are as follows:
Related parties |  | Type |  |  |  |  | Beginning balance |  |  | Borrowings |  |  | Repayment |  |  | Others |  |  | Ending balance |
|  |  |  |  |  |  | In millions of won |
Korea Development |  | Facility |  | ￦ |  |  |  |  | 85,103 |  |  |  | — |  |  |  | (8,469 | ) |  |  | 8,019 |  |  |  | 84,653 |
Bank |  | Others |  |  |  |  |  |  | 1,758 |  |  |  | — |  |  |  | (334 | ) |  |  | — |  |  |  | 1,424 |
|  | Operating funds |  |  |  |  |  |  | 120,000 |  |  |  | 832,167 |  |  |  | (852,167 | ) |  |  | — |  |  |  | 100,000 |
|  | EBL and others |  |  |  |  |  |  | 119,160 |  |  |  | 20,050 |  |  |  | (995 | ) |  |  | 11,647 |  |  |  | 149,862 |
|  |  |  | ￦ |  |  |  |  | 326,021 |  |  |  | 852,217 |  |  |  | (861,965 | ) |  |  | 19,666 |  |  |  | 335,939 |
Summary of Guarantees Provided To Associates Or Joint Ventures |
(7) | Guarantees provided to related parties as of December 31, 2024 are as follows:
Primary guarantor |  | Principal obligor |  | Type of guarantees |  | Credit limit |  |  | Creditor
|  |  |  |  |  | In millions of won and thousands of foreign currencies |  |  |
Korea Electric Power Corporation |  | Shuweihat Asia Operation & Maintenance Company |  | Performance guarantees |  |  | USD 11,000 |  |  | Shuweihat Asia Power Investment B.V.
Korea Electric Power Corporation |  | Rabigh Operation & Maintenance Company Limited |  | Performance guarantees |  |  | USD 1,387 |  |  | Rabigh Electricity Company
Korea Electric Power Corporation |  | Nghi Son 2 Power LLC |  | Certification of payment on L/C |  |  | USD 42,750 |  |  | SMBC Singapore and others
Korea Electric Power Corporation |  | Barakah One Company |  | Debt guarantees |  |  | USD 1,223,355 |  |  | Export-Import Bank of Korea and others
|  |  |  | Performance guarantees and others |  |  | USD 3,986,562 |  |  | FAB and others
Korea Electric Power Corporation |  | RE Holiday Holdings LLC |  | Performance guarantees (*9) |  |  | USD 203,981 |  |  | EFS Renewables Holdings, LLC, CA-CIB and others
Primary guarantor |  | Principal obligor |  | Type of guarantees |  | Credit limit |  |  | Creditor
|  |  |  |  |  | In millions of won and thousands of foreign currencies |  |  |
Korea Electric Power Corporation |  | RE Pioneer Holdings LLC |  | Performance guarantees |  |  | USD 106,873 |  |  | EFS Renewables Holdings, LLC
Korea Electric Power Corporation |  | Rabigh Electricity Company |  | Performance guarantees |  |  | SAR 4,151 |  |  | Hana Bank
Korea Electric Power Corporation |  | Shuweihat Asia Power Investment B.V. |  | Certification of payment on L/C |  |  | USD 9,800 |  |  | Hana Bank
Korea Electric Power Corporation |  | Amman Asia Electric Power Company |  | Certification of payment on L/C |  |  | USD 15,600 |  |  | ING Bank
Korea Electric Power Corporation |  | Horus Solar, S.A. de C.V. |  | Other performance guarantees |  |  | MXN 14,843 |  |  | CENACE and others
Korea Electric Power Corporation |  | Recursos Solares PV de Mexico II, S.A. de C.V. |  | Other performance guarantees |  |  | MXN 1,518 |  |  | SEMARNAT
|  |  |  |  |  |  | USD 393 |  |  | CFE Transmission
Korea Electric Power Corporation |  | Sunmex Renovables, S.A. de C.V. |  | Other performance guarantees |  |  | USD 9,078 |  |  | CENACE
|  |  |  |  |  |  | MXN 4,929 |  |  | CFE Transmission and others
Korea Electric Power Corporation |  | International Offshore Power Transmission Holding Company Limited |  | Performance guarantees |  |  | USD 52,500 |  |  | Mizuho Bank
|  |  |  | Other performance guarantees |  |  | USD 7,000 |  |  | Credit Agricole
Korea Electric Power Corporation |  | Pulau Indah Power Plant Sdn. Bhd. |  | Collateralized money invested (*10) |  |  | KRW 13,210 |  |  | Malaysian Trustee Berhad
Korea Electric Power Corporation |  | KEPCO for Power Company |  | Debt guarantees |  |  | USD 60,000 |  |  | Riyad bank
|  |  |  | Other performance guarantees |  |  | USD 70,000 |  |  | SMBC Seoul
Korea Western Power Co., Ltd. |  | Cheongna Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 46,158 |  |  | Kookmin Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Western Power Co., Ltd. |  | Xe-Pian Xe-Namnoy Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 73,064 |  |  | Krung Thai Bank
|  |  |  | Impounding bonus guarantees (*11) |  |  | USD 5,000 |  |  | SK Eco Plant Co., Ltd.
Korea Western Power Co., Ltd. |  | Rabigh Operation & Maintenance Company Limited |  | Performance guarantees and others |  |  | SAR 11,200 |  |  | National Bank of Kuwait
Korea Western Power Co., Ltd. |  | Dongducheon Dream Power Co., Ltd. |  | Collateralized money invested (*5) |  |  | KRW 54,242 |  |  | Kookmin Bank and others
|  |  |  | Debt guarantees |  |  | KRW 20,300 |  |  | HY western 1 st co., Ltd
Korea Western Power Co., Ltd. |  | PT. Mutiara Jawa |  | Collateralized money invested |  |  | KRW 5,735 |  |  | Woori Bank
Korea Western Power Co., Ltd. |  | Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 361 |  |  | Nonghyup Bank
Korea Western Power Co., Ltd. |  | Shin Pyeongtaek Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 139,059 |  |  | Kookmin Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Western Power Co., Ltd. |  | Haemodum Solar Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,230 |  |  | Nonghyup Bank
Korea Western Power Co., Ltd. |  | Muan Solar Park Co., Ltd. |  | Collateralized money invested |  |  | KRW 6,267 |  |  | IBK and others
Korea Western Power Co., Ltd. |  | Anjwa Smart Farm & Solar City Co., Ltd. |  | Collateralized money invested |  |  | KRW 8,298 |  |  | Hana Bank and others
Korea Western Power Co., Ltd. |  | Seoroseoro Sunny Power Plant Co., Ltd. |  | Collateralized money invested |  |  | KRW 1,030 |  |  | Hana Bank and others
Korea Western Power Co., Ltd. |  | YuDang Solar Co., Ltd. |  | Collateralized money invested |  |  | KRW 617 — |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  |  |  |  |
Korea Western Power Co., Ltd. |  | Hapcheon Floating Photovoltaic Power Plant Inc. |  | Collateralized money invested |  |  | KRW 11,334 |  |  | Nonghyup Bank and others
Korea Western Power Co., Ltd. |  | Yeongwol Eco Wind Co., Ltd. |  | Collateralized money invested |  |  | KRW 890 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Western Power Co., Ltd. |  | Gurae Resident Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 334 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Western Power Co., Ltd. |  | Gunsan Land Solar Co., Ltd. |  | Collateralized money invested |  |  | KRW 23,163 |  |  | Hana Bank and others
Korea Western Power Co., Ltd. |  | Seobusambo highway photovoltaics Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,310 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Western Power Co., Ltd. |  | Eumseong Eco Park Co., Ltd. |  | Collateralized money invested |  |  | KRW 11,613 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea Western Power Co., Ltd. |  | PungBack Wind Farm Corporation |  | Collateralized money invested |  |  | KRW 7,760 |  |  | Hanwha Life Insurance Co., Ltd. and others
Korea Western Power Co., Ltd. |  | Wadi Noor Solar Power Company SAOC |  | Loan payment guarantee |  |  | USD 54,855 |  |  | DBS Bank
Korea Western Power Co., Ltd. |  | EDFR KOWEPO AJBAN HOLDING LIMITED |  | Loan payment guarantee |  |  | USD 57,090 |  |  | FAB
Korea East-West Power Co., Ltd. |  | Seokmun Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 15,456 |  |  | Kookmin Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Primary guarantor |  | Principal obligor |  | Type of guarantees |  | Credit limit |  |  | Creditor
|  |  |  |  |  | In millions of won and thousands of foreign currencies |  |  |
Korea East-West Power Co., Ltd. |  | Chun-cheon Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 36,599 |  |  | Kookmin Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | KRW 90,800 |  |  |
Korea East-West Power Co., Ltd. |  | Honam Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 4,833 |  |  | Shinhan Bank and others
Korea East-West Power Co., Ltd. |  | GS Donghae Electric Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 279,432 |  |  | Korea Development Bank and others
Korea East-West Power Co., Ltd. |  | Yeonggwangbaeksu Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,730 |  |  | Kookmin Bank and others
Korea East-West Power Co., Ltd. |  | Yeonggwang Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 26,146 |  |  | KDB Capital Corporation and others
Korea East-West Power Co., Ltd. |  | Daesan Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 25,331 |  |  | IBK
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | Taebaek Gadeoksan Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 22,908 |  |  | Hana Bank and others
Korea East-West Power Co., Ltd. |  | PT. Tanjung Power Indonesia |  | Other guarantees |  |  | USD 3,150 |  |  | PT. Adaro Indonesia
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  | Sumitomo mitsui banking and others
|  |  |  | Collateralized money invested |  |  | KRW 100,579 |  |  | MUFG and others
Korea East-West Power Co., Ltd. |  | South Jamaica Power Company Limited |  | Performance guarantees (*14) |  |  | USD 14,400 |  |  | Hana Bank
|  |  |  | Collateralized money invested |  |  | KRW 48,761 |  |  | JCSD Trustee Services Limited and others
Korea East-West Power Co., Ltd. |  | Bitsolar Energy Co., Ltd. |  | Collateralized money invested |  |  | — |  |  | Mirae Asset Life Insurance Co. Ltd. and others
Korea East-West Power Co., Ltd. |  | Cheongju Eco Park Co., Ltd. |  | Collateralized money invested |  |  | KRW 10,636 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea East-West Power Co., Ltd. |  | Busan Industrial Solar Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 1,160 |  |  | Shinhan Bank and others
Korea East-West Power Co., Ltd. |  | Yangyang Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 11,640 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | KPE Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 8,230 |  |  | Hana Bank and others
Korea East-West Power Co., Ltd. |  | Goheung New Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 4,818 |  |  | Woori Bank and others
Korea East-West Power Co., Ltd. |  | Seungmun Green Energy |  | Collateralized money invested |  |  | KRW 12,745 |  |  | Hana Bank and others
Korea East-West Power Co., Ltd. |  | Yanggu Floating Photovoltaic Power Plant Inc. |  | Collateralized money invested |  |  | KRW 846 |  |  | Korea Development Bank
Korea East-West Power Co., Ltd. |  | Hoenggye Renewable Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,375 |  |  | IBK
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | Kumyang Eco Park Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,841 |  |  | Woori Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | Amaala Sustaninable Company for Energy LLC |  | Loan payment guarantee (*7) |  |  | USD 38,054 |  |  | FAB
|  |  |  | Collateralized money invested |  |  | KRW 18 |  |  |
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Daeryun Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 31,093 |  |  | Korea Development Bank and others
Korea Southern Power Co., Ltd. |  | Daegu Green Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 30,513 |  |  | Shinhan Bank and others
|  |  |  | Performance guarantees |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Kelar S.A. |  | Performance guarantees |  |  | USD 30,030 |  |  | Hana Bank, MUFG
|  |  |  | Payment guarantees (*12) |  |  | USD 11,707 |  |  | Hana Bank
Korea Southern Power Co., Ltd. |  | Daehan Wind Power PSC |  | Performance guarantees |  |  | USD 1,800 |  |  | Shinhan Bank
|  |  |  | Payment guarantees (*6) |  |  | USD 2,000 |  |  | Hana Bank
|  |  |  | Collateralized money invested |  |  | KRW 21,328 |  |  | Standard Chartered
Korea Southern Power Co., Ltd. |  | Pyeongchang Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 12,147 |  |  | Woori Bank, Shinhan Bank and others
|  |  |  | Performance guarantees |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Taebaek Guinemi Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 13,559 |  |  | IBK
Korea Southern Power Co., Ltd. |  | Samcheok Eco Materials Co., Ltd. |  | Payment guarantees (*2) |  |  | — |  |  | KIS SF the 22nd Co., Ltd.
|  |  |  | Performance guarantees (*15) |  |  | — |  |  | HC elementary materials
Korea Southern Power Co., Ltd. |  | Solaseado Solar Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 16,979 |  |  | Kookmin Bank and others
Korea Southern Power Co., Ltd. |  | Naepo Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 48,031 |  |  | IBK and others
Primary guarantor |  | Principal obligor |  | Type of guarantees |  | Credit limit |  |  | Creditor
|  |  |  |  |  | In millions of won and thousands of foreign currencies |  |  |
|  |  |  | Performance guarantees and guarantees for supplemental funding (*1) |  |  | KRW 30,000 |  |  |
Korea Southern Power Co., Ltd. |  | Omisan Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 10,859 |  |  | Shinhan Bank and others
|  |  |  | Performance guarantees and guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Geumsungsan Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 7,839 |  |  | Kookmin Bank and others
Korea Southern Power Co., Ltd. |  | HORANG ENERGY Inc. |  | Collateralized money invested |  |  | KRW 3,808 |  |  | Woori Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Haman Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,810 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Jeongeup Green Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 8,847 |  |  | Mirae Asset Securities Co., Ltd.
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | HyChangwon Fuel Cell. Co., Ltd. |  | Collateralized money invested |  |  | KRW 9,277 |  |  | Woori Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Roof One Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,000 |  |  | Woori Bank
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
KOSPO Power Services Ltda. |  | Kelar S.A. |  | Performance guarantees |  |  | USD 1,316 |  |  | Scotia bank
KOSPO Chile SpA |  | Kelar S.A. |  | Collateralized money invested |  |  | KRW 152,366 |  |  | Export-Import Bank of Korea and others
KOSPO Chile SpA |  | Chester Solar I SpA |  | Collateralized money invested |  |  | KRW 1,649 |  |  | IBK
KOSPO Chile SpA |  | Chester Solar IV SpA |  | Collateralized money invested |  |  | KRW 1,452 |  |  | IBK
KOSPO Chile SpA |  | Chester Solar V SpA |  | Collateralized money invested |  |  | KRW 262 |  |  | IBK
KOSPO Chile SpA |  | Diego de Almagro Solar SpA |  | Collateralized money invested |  |  | KRW 1,700 |  |  | IBK
KOSPO Chile SpA |  | Laurel SpA |  | Collateralized money invested |  |  | KRW 1,432 |  |  | IBK
Korea Midland Power Co., Ltd. |  | YeongGwang Yaksu Wind Electric Co., Ltd. |  | Collateralized money invested |  |  | KRW 41 |  |  | IBK and others
Korea Midland Power Co., Ltd. |  | Hyundai Green Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 87,392 |  |  | Korea Development Bank and others
Korea Midland Power Co., Ltd. |  | PT. Cirebon Electric Power |  | Debt guarantees |  |  | USD 4,510 |  |  | Mizuho Bank
Korea Midland Power Co., Ltd. |  | PT Wampu Electric Power |  | Debt guarantees |  |  | USD 4,716 |  |  | PT. Bank KB Bukopin
Korea Midland Power Co., Ltd. |  | PT. Cirebon Energi Prasarana |  | Debt guarantees |  |  | USD 9,290 |  |  | Mizuho Bank
Korea Midland Power Co., Ltd. |  | Green Energy Electricity Generation Co., Ltd. |  | Collateralized money invested |  |  | — |  |  | IBK
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Midland Power Co., Ltd. |  | Yaksu ESS Co., Ltd. |  | Collateralized money invested |  |  | KRW 163 |  |  | IBK
Korea Midland Power Co., Ltd. |  | Gwangbaek Solar Power Investment Co., Ltd. |  | Collateralized money invested |  |  | KRW 5,155 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea Midland Power Co., Ltd. |  | Muan Sunshine Solar Power Plant Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,772 |  |  | IBK
Korea Midland Power Co., Ltd. |  | Goesan Solar park Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,133 |  |  | IBK
Korea Midland Power Co., Ltd. |  | Bitgoel Eco Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 8,035 |  |  | IBK and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Midland Power Co., Ltd. |  | Energyco Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,322 |  |  | Nonghyup Bank
Korea Midland Power Co., Ltd. |  | Jeju Gimnyeong Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 250 |  |  | Nonghyup Bank
Korea Midland Power Co., Ltd. |  | Dongbu Highway Solar Co., Ltd. |  | Collateralized money invested |  |  | KRW 512 |  |  | Shinhan Bank
Korea Midland Power Co., Ltd. |  | Seobu Highway Solar Co., Ltd. |  | Collateralized money invested |  |  | KRW 579 |  |  | Shinhan Bank
Korea Midland Power Co., Ltd. |  | Yeongyang Wind Power Corporation II |  | Collateralized money invested |  |  | KRW 11,302 |  |  | Korea Development Bank and others
Korea Midland Power Co., Ltd. |  | Haeparang Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 1,950 |  |  | Templeton Hana Asset
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  | Management Co., Ltd.
Korea Midland Power Co., Ltd. |  | Saemangeum Sebit Power Plant Co., Ltd. |  | Collateralized money invested |  |  | KRW 27,702 |  |  | IBK and others
Korea Midland Power Co., Ltd. |  | Yeomsubong Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 603 |  |  | Korea Development Bank
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea South-East Power Co., Ltd. |  | Boim Combined Heat and Power Generation Co., Ltd. |  | Collateralized money invested (*3) |  |  | — |  |  | IBK
|  |  |  | Guarantees for supplemental funding and others (*1,4) |  |  | KRW 76,800 |  |  | NH Investment & Securities Co., Ltd. and others
Korea South-East Power Co., Ltd. |  | RES Technology AD |  | Collateralized money invested |  |  | KRW 15,069 |  |  | UniCredit Bulbank and others
Primary guarantor |  | Principal obligor |  | Type of guarantees |  | Credit limit |  |  | Creditor
|  |  |  |  |  | In millions of won and thousands of foreign currencies |  |  |
Korea South-East Power Co., Ltd. |  | ASM-BG Investicii AD |  | Collateralized money invested |  |  | KRW 16,936 |  |  | UniCredit Bulbank and others
Korea South-East Power Co., Ltd. |  | Goseong Green Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 284,543 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd. |  | Gangneung Eco Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 241,814 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd. |  | PND Solar Co., Ltd. |  | Collateralized money invested |  |  | KRW 1,736 |  |  | IBK
Korea South-East Power Co., Ltd. |  | Hyundai Eco Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 8,493 |  |  | Samsung Life Insurance and others
Korea South-East Power Co., Ltd. |  | Jaeun Resident Wind Power Plant Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,045 |  |  | IBK
Korea South-East Power Co., Ltd. |  | Chungsongmeon BongSan wind power Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,590 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd. |  | Yeongam Solar Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 11,828 |  |  | Kookmin Bank and others
Korea South-East Power Co., Ltd. |  | Samsu Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,851 |  |  | Shinhan Bank and others
Korea South-East Power Co., Ltd. |  | Saemangeum Heemang Photovoltaic Co., Ltd. |  | Collateralized money invested |  |  | KRW 16,137 |  |  | Woori Bank and others
Korea South-East Power Co., Ltd. |  | Nepal Water & Energy Development Company Private Limited |  | Collateralized money invested |  |  | USD 97,105 |  |  | International Finance
|  |  |  | Business reserve payment guarantee |  |  | USD 33,333 |  |  | Corporation and others
Korea South-East Power Co., Ltd. |  | Santiago Solar Power SpA |  | Debt guarantees (*8) |  |  | USD 8,000 |  |  | Nonghyup Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Noeul Green Energy Co., Ltd. |  | Collateralized money invested |  |  | — |  |  | Hana Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Busan Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,334 |  |  | Shinhan Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Go deok Clean Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 5,301 |  |  | Kookmin Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Cheong-Song Noraesan Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 4,316 |  |  | Woori Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Gwangyang Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 24,217 |  |  | Shinhan Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Gangneung Sacheon Fuel Cell Co., Ltd. |  | Collateralized money invested |  |  | KRW 9,306 |  |  | Hana Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Chuncheon Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 17,672 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding (*1) |  |  | — |  |  |
Korea Hydro & Nuclear Power Co., Ltd. |  | Yangyang Suri Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 8,643 |  |  | Kookmin Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Bigeum Resident Photovoltaic Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 7,908 |  |  | Kookmin Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Songsan Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 7,908 |  |  | Hana Bank
Korea Hydro & Nuclear Power Co., Ltd. |  | Changwon Nu-ri Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 7,658 |  |  | Hana Bank
Korea Hydro & Nuclear Power Co., Ltd. |  | Imha Floating Photovoltaic Power Plant Inc. |  | Collateralized money invested |  |  | KRW 6,351 |  |  | Hana Bank
Korea Hydro & Nuclear Power Co., Ltd. |  | KAS INVESTMENT I LLC |  | Payment guarantees (*13) |  |  | USD 9,770 |  |  | WOORI AMERICA BANK
Korea Hydro & Nuclear Power Co., Ltd. |  | KAS INVESTMENT II LLC |  | Payment guarantees (*13) |  |  | USD 9,730 |  |  | WOORI AMERICA BANK
(*1) | The Company guarantees to provide supplemental funding for business with respect to excessive business expenses or insufficient repayment of borrowings.
(*2) | Samcheok Eco Materials Co., Ltd., a joint venture of the Company has issued the hybrid bonds. If the bonds are not repaid by December 8, 2026, the parent company and shareholders except the parent company must purchase the bonds from the acquirer. As of December 31, 2024, derivative liabilities of ￦26,422 million were recognized in relation to this obligation.
(*3) | The Company recognized an impairment loss on all of the equity securities of Boim Combined Heat and Power Generation Co., Ltd. before the prior year, and the acquisition cost of the securities provided as collateral is ￦47,067 million.
(*4) | Pursuant to the guarantee agreement, the Company recognized other provisions of ￦11,804 million as the possibility of economic benefit outflow to fulfill the obligation was deemed probable and the amount could be reasonably estimated.
(*5) | The common stocks of Dongducheon Dream Power Co., Ltd. held by the Company were pledged as collateral.
(*6) | The Company provided a payment guarantee to Jordan Tafila wind power project for opening L/C for Debt Service Reserve Account (DSRA).
(*7) | The Company provided an EBL payment and EBL hedging guarantee to Amaala Sustainable Company for Energy LLC, an associate of the Company.
(*8) | The Company has issued a guaranteed letter of credit in the amount of USD 8,000 thousand under the interlender loan agreement with Santiago Solar Power SpA.
(*9) | The credit limits of guarantees to RE Holiday Holdings LLC include the credit limits of guarantees to their subsidiaries.
(*10) | The Company, together with other shareholders, has provided a guarantee for the project financing of Pulau Indah Power Plant Sdn. Bhd., by establishing the right of pledge on the shares of Pulau Indah Power Plant Sdn. Bhd. As of December 31, 2024, the book value of the securities is ￦50,721 million.
(*11) | Xe-Pian Xe-Namnoy Power Co., Ltd., an associate of the Company, has entered a contract to pay an incentive type of impounding bonus to SK Eco Plant Co., Ltd. when the Xe-Pian Xe-Namnoy Dam is completed. If Xe-Pian Xe-Namnoy Power Co., Ltd. fails to pay SK Eco Plant Co., Ltd., the Company guarantees the payment, and the amount is USD 5,000 thousand.
(*12) | The Company provided a payment guarantee to Chile Kelar project for opening L/C for Debt Service Reserve Account (DSRA), and others.
(*13) | The credit limits of guarantees to KAS INVESTMENT I LLC, KAS INVESTMENT II LLC include the credit limits of guarantees to their subsidiaries.
(*14) | The payment guarantee related to the gas combined cycle power project of South Jamaica Power Company Limited, a joint venture of the Company.
(*15) | The Company has entered into an agreement prescribing the settlement of the estimated loss in case damages occur related to the fulfillment of the mandatory supply volume according to the mandatory supply agreement for coal ash.
Summary of Guarantees Received from Related Parties |
(8) | Guarantees received from related parties as of December 31, 2024 are as follows:
Primary Guarantor |  | Type of guarantees |  |  |  |  | Credit limit |
|  |  |  |  |  |  | In millions of won |
KAPES, Inc. |  | Defect guarantees |  | ￦ |  |  |  |  | 16,281 |
|  | Performance guarantees |  |  |  |  |  |  | 38,231 |
|  | Advance payment guarantee |  |  |  |  |  |  | 248,042 |
|  | Certification of bidding |  |  |  |  |  |  | 79,818 |
Summary of Derivatives Transactions With Related Parties |
(9) | Derivatives transactions with related parties as of December 31, 2024 are as follows:
| (i) | Currency Swap
Counterparty |  | Contract year |  |  |  |  |  | Contract amounts |  |  | Contract interest rate per annum |  |  |  |  |  | Contract exchange rate (in won) |
|  |  |  | Pay |  |  | Receive |  |  | Pay |  |  | Receive |
|  | In millions of won and thousands of foreign currencies except contract exchange rate information |
Korea Development Bank |  |  | 2020~2025 |  |  | ￦ |  |  |  |  | 241,320 |  |  |  | USD 200,000 |  |  |  | 0.54 | % |  |  | 1.13 | % |  | ￦ |  |  |  |  | 1,206.60 |
|  |  | 2021~2026 |  |  |  |  |  |  |  | 118,170 |  |  |  | USD 100,000 |  |  |  | 1.11 | % |  |  | 1.13 | % |  |  |  |  |  |  | 1,181.70 |
|  |  | 2022~2026 |  |  |  |  |  |  |  | 283,820 |  |  |  | USD 200,000 |  |  |  | 4.67 | % |  |  | 5.38 | % |  |  |  |  |  |  | 1,419.10 |
|  |  | 2022~2028 |  |  |  |  |  |  |  | 283,820 |  |  |  | USD 200,000 |  |  |  | 5.12 | % |  |  | 5.50 | % |  |  |  |  |  |  | 1,419.10 |
|  |  | 2023~2026 |  |  |  |  |  |  |  | 256,000 |  |  |  | USD 200,000 |  |  |  | 4.04 | % |  |  | 5.38 | % |  |  |  |  |  |  | 1,280.00 |
|  |  | 2024~2027 |  |  |  |  |  |  |  | 864,890 |  |  |  | USD 650,000 |  |  |  | 3.53 | % |  |  | 4.88 | % |  |  |  |  |  |  | 1,330.60 |
|  |  | 2015~2025 |  |  |  |  |  |  |  | 111,190 |  |  |  | USD 100,000 |  |  |  | 2.62 | % |  |  | 3.25 | % |  |  |  |  |  |  | 1,111.90 |
|  |  | 2017~2027 |  |  |  |  |  |  |  | 111,610 |  |  |  | USD 100,000 |  |  |  | 2.31 | % |  |  | 3.13 | % |  |  |  |  |  |  | 1,116.10 |
|  |  | 2018~2028 |  |  |  |  |  |  |  | 108,600 |  |  |  | HKD 800,000 |  |  |  | 2.69 | % |  |  | 3.35 | % |  |  |  |  |  |  | 135.75 |
|  |  | 2019~2027 |  |  |  |  |  |  |  | 119,978 |  |  |  | CHF 100,000 |  |  |  | 1.43 | % |  |  | 0.05 | % |  |  |  |  |  |  | 1,199.78 |
|  |  | 2021~2026 |  |  |  |  |  |  |  | 111,400 |  |  |  | USD 100,000 |  |  |  | 0.93 | % |  |  | 1.25 | % |  |  |  |  |  |  | 1,114.00 |
|  |  | 2022~2027 |  |  |  |  |  |  |  | 262,000 |  |  |  | USD 200,000 |  |  |  | 3.63 | % |  |  | 4.25 | % |  |  |  |  |  |  | 1,310.00 |
|  |  | 2024~2028 |  |  |  |  |  |  |  | 257,880 |  |  |  | USD 200,000 |  |  |  | 3.80 | % |  |  | 5.00 | % |  |  |  |  |  |  | 1,289.40 |
|  |  | 2024~2028 |  |  |  |  |  |  |  | 128,940 |  |  |  | USD 100,000 |  |  |  | 3.69 | % |  |  | 5.00 | % |  |  |  |  |  |  | 1,289.40 |
|  |  | 2024~2029 |  |  |  |  |  |  |  | 138,540 |  |  |  | USD 100,000 |  |  |  | 3.19 | % |  |  | 4.63 | % |  |  |  |  |  |  | 1,385.40 |
|  |  | 2020~2026 |  |  |  |  |  |  |  | 118,910 |  |  |  | USD 100,000 |  |  |  | 0.61 | % |  |  | 1.00 | % |  |  |  |  |  |  | 1,189.10 |
|  |  | 2021~2026 |  |  |  |  |  |  |  | 114,230 |  |  |  | USD 100,000 |  |  |  | 1.27 | % |  |  | 1.25 | % |  |  |  |  |  |  | 1,142.30 |
|  |  | 2022~2027 |  |  |  |  |  |  |  | 123,710 |  |  |  | USD 100,000 |  |  |  | 3.41 | % |  |  | 3.63 | % |  |  |  |  |  |  | 1,237.10 |
|  |  | 2022~2025 |  |  |  |  |  |  |  | 128,560 |  |  |  | USD 100,000 |  |  |  | 3.37 | % |  |  | 4.13 | % |  |  |  |  |  |  | 1,285.60 |
|  |  | 2020~2025 |  |  |  |  |  |  |  | 122,780 |  |  |  | USD 100,000 |  |  |  | 0.93 | % |  |  | 1.75 | % |  |  |  |  |  |  | 1,227.80 |
|  |  | 2022~2025 |  |  |  |  |  |  |  | 252,360 |  |  |  | USD 200,000 |  |  |  | 2.83 | % |  |  | 3.60 | % |  |  |  |  |  |  | 1,261.80 |
|  |  | 2023~2028 |  |  |  |  |  |  |  | 129,500 |  |  |  | USD 100,000 |  |  |  | 3.85 | % |  |  | 4.88 | % |  |  |  |  |  |  | 1,295.00 |
| (ii) | Currency forward
Counterparty |  | Contract date |  |  | Maturity date |  |  |  |  |  | Contract amounts |  |  |  |  |  | Contract exchange rate (in won) |
|  |  |  | Pay |  |  | Receive |
|  | In millions of won and thousands of foreign currencies except contract exchange rate information |
Korea Development Bank |  |  | 2024.12.16 |  |  |  | 2025.01.07 |  |  | ￦ |  |  |  |  | 27,247 |  |  |  | USD 19,000 |  |  | ￦ |  |  |  |  | 1,434,04 |
|  |  | 2024.12.30 |  |  |  | 2025.01.17 |  |  |  |  |  |  |  | 17,627 |  |  |  | USD 12,000 |  |  |  |  |  |  |  | 1,468.95 |
Summary of Salaries and Other Compensations To The Key Members of Management of The Company |
(10) | The Company considers all standing directors of the Board who serve as executive officers responsible for planning, operations and/or control of business activities, as key management personnel, except a standing director who is a member of the Audit Committee. The Company recorded salaries and other compensations related to the key management personnel as follows:
Type |  |  |  |  | 2022 |  |  | 2023 |  |  | 2024 |
|  |  |  |  | In millions of won |
Salaries |  | ￦ |  |  |  |  | 1,026 |  |  |  | 866 |  |  |  | 1,064 |
Retirement benefits |  |  |  |  |  |  | 58 |  |  |  | 33 |  |  |  | 36 |
|  | ￦ |  |  |  |  | 1,084 |  |  |  | 899 |  |  |  | 1,100 |

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