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Related Parties | 12 Months Ended
--- | ---
Dec. 31, 2019
Related Parties [Abstract] |
Related Parties |
47. | Related Parties
(1) | Related parties of the Company as of December 31, 2019 are as follows:
Type |  | Related party
Parent |  | Republic of Korea government
Subsidiaries (119 subsidiaries) |  | Korea Hydro & Nuclear Power Co., Ltd., Korea South-East Power Co., Ltd., Korea Midland Power Co., Ltd., Korea Western Power Co., Ltd., Korea Southern Power Co., Ltd., Korea East-West Power Co., Ltd., KEPCO Engineering & Construction Company, Inc., KEPCO Plant Service & Engineering Co., Ltd., KEPCO Nuclear Fuel Co., Ltd., KEPCO KDN Co., Ltd., Gyeonggi Green Energy Co., Ltd., Korea Offshore Wind Power Co., Ltd., KOSEP Material Co., Ltd., KEPCO International HongKong Ltd., KEPCO International Philippines Inc., KEPCO Philippines Corporation, KEPCO Ilijan Corporation, KEPCO Gansu International Ltd., KEPCO Philippines Holdings Inc., KEPCO Lebanon SARL, KEPCO Neimenggu International Ltd., KEPCO Australia Pty., Ltd., KEPCO Shanxi International Ltd., KOMIPO Global Pte Ltd., KOSEP Australia Pty., Ltd., KOMIPO Australia Pty., Ltd., KOWEPO Australia Pty., Ltd., KOSPO Australia Pty., Ltd., KEPCO Netherlands B.V., KOREA Imouraren Uranium Investment Corp., KEPCO Middle East Holding Company, Qatrana Electric Power Company, KOWEPO International Corporation, KOSPO Jordan LLC, Korea Waterbury Uranium Limited Partnership, PT. Cirebon Power Service, EWP America Inc., KHNP Canada Energy, Ltd., KEPCO Bylong Australia Pty., Ltd., KNF Canada Energy Limited, KEPCO Holdings de Mexico, KST Electric Power Company S.A.P.I. de C.V., KEPCO Energy Service Company, KEPCO Netherlands S3 B.V., PT. KOMIPO Pembangkitan Jawa Bali, EWP Barbados 1 SRL, PT. Tanggamus Electric Power, KOMIPO America Inc., KOSEP USA, Inc., PT. EWP Indonesia, KEPCO Netherlands J3 B.V., Global One Pioneer B.V., Global Energy Pioneer B.V., Mira Power Limited, EWP Philippines Corporation, KEPCO KPS Philippines Corp., KOSPO Chile SpA, PT. KOWEPO Sumsel Operation And Maintenance Services, Commerce and Industry Energy Co., Ltd., Gyeongju Wind Power Co., Ltd., California Power Holdings, LLC, DG Fairhaven Power, LLC, DG Whitefield, LLC, EWP Renewable Corporation, EWPRC Biomass Holdings, LLC, Springfield Power, LLC, HeeMang Sunlight Power Co., Ltd., Fujeij Wind Power Company, KOSPO Youngnam Power Co., Ltd., VI Carbon Professional Private Special Asset Investment Trust 1, Chitose Solar Power Plant LLC., Solar School Plant Co., Ltd., KEPCO Energy Solution Co., Ltd., KOSPO Power Services Limitada, KOEN Bylong Pty., Ltd., KOWEPO Bylong Pty., Ltd., KOSPO Bylong Pty., Ltd., EWP Bylong Pty., Ltd., KOWEPO Lao International, KOMIPO Bylong Pty., Ltd., Energy New Industry Specialized Investment Private Investment Trust., KEPCO US Inc., KEPCO Alamosa LLC, KEPCO Solar of Alamosa, LLC (formerly, Cogentrix of Alamosa, LLC), KEPCO-LG CNS Mangilao Holdings LLC, Mangilao Investment LLC,
|  | KEPCO-LG CNS Mangilao Solar, LLC, Jeju Hanlim Offshore Wind Co., Ltd., PT. Siborpa Eco Power, e-New Industry LB Fund 1, Songhyun e-New Industry Fund, BSK E-New Industry Fund VII, PT. Korea Energy Indonesia, KOLAT SpA, KEPCO California, LLC, KEPCO Mojave Holdings, LLC, Incheon Fuel Cell Co., Ltd., KOEN Service Co., Ltd., KOMIPO Service Co., Ltd., KOWEPO Service Co., Ltd., KOSPO Service Co., Ltd., EWP Service Co., Ltd., PT. KOMIPO Energy Indonesia, KNF partners Co., Ltd., KOSPO USA Inc., Nambu USA LLC, Tamra Offshore Wind Power Co., Ltd., KEPCO MCS Co., Ltd., KEPCO FMS Co., Ltd., Firstkeepers Co., Ltd., Secutec Co., Ltd., SE Green Energy Co., Ltd., KEPCO Mangilao America LLC, Mangilao Intermediate Holdings LLC, KEPCO CSC Co., Ltd., KOAK Power Limited, KOMIPO Europe B.V., Haenanum Energy Fund, Paju Ecoenergy Co., Ltd.
Associates (66 associates) |  | Dongducheon Dream Power Co., Ltd., Korea Gas Corporation, Daegu Photovoltaic Co., Ltd., Haeng Bok Do Si Photovoltaic Power Co., Ltd., Korea Electric Power Industrial Development Co., Ltd., Goseong Green Energy Co., Ltd., Gangneung Eco Power Co., Ltd., Shin Pyeongtaek Power Co., Ltd., Naepo Green Energy Co., Ltd., Noeul Green Energy Co., Ltd., YTN Co., Ltd., Cheongna Energy Co., Ltd., Samcheok Eco Materials Co., Ltd., Gangwon Wind Power Co., Ltd., Gwangyang Green Energy Co., Ltd., Hyundai Green Power Co., Ltd., Korea Power Exchange, Hyundai Energy Co., Ltd., Ecollite Co., Ltd., Taebaek Wind Power Co., Ltd., Taebaek Guinemi Wind Power Co., Ltd., Pyeongchang Wind Power Co., Ltd., Daeryun Power Co., Ltd., Changjuk Wind Power Co., Ltd., KNH Solar Co., Ltd., S-Power Co., Ltd., Hadong Mineral Fiber Co., Ltd., Green Biomass Co., Ltd., SPC Power Corporation, Gemeng International Energy Co., Ltd., PT. Cirebon Electric Power, KNOC Nigerian East Oil Co., Ltd., KNOC Nigerian West Oil Co., Ltd., PT. Wampu Electric Power, PT. Bayan Resources TBK, Nepal Water & Energy Development Company Private Limited, Pioneer Gas Power Limited, Eurasia Energy Holdings, Xe-Pian Xe-Namnoy Power Co., Ltd., PT. Mutiara Jawa, Jinbhuvish Power Generation Pvt. Ltd., Daejung Offshore Wind Power Co., Ltd., GS Donghae Electric Power Co., Ltd., Busan Green Energy Co., Ltd., Gunsan Bio Energy Co., Ltd., Korea Electric Vehicle Charging Service, Korea Nuclear Partners Co., Ltd., Korea Electric Power Corporation Fund, Energy Infra Asset Management Co., Ltd., Daegu clean Energy Co., Ltd., YaksuESS Co., Ltd., PND solar Co., Ltd., Hyundai Eco Energy Co., Ltd., YeongGwang Yaksu Wind Electric. Co., Ltd., Green Energy Electricity Generation Co., Ltd., Korea Energy Solutions Co., Ltd., ITR Co., Ltd., Structure test network Co., Ltd., Namjeongsusang Solar Power Operatin Co., Ltd., Indeck Niles Development, LLC, Indeck Niles Asset Management, LLC, Hanwha Corporation-linked Sunlight Power Special Private Equity Investment Trust No. 1
|  | Suwon New Power Co., Ltd., KPG Co., Ltd., Gwangbaek Solar Power Investment Co., Ltd., Goduk Clean Energy Co., Ltd.
Joint ventures (64 joint ventures) |  | Daegu Green Power Co., Ltd., KEPCO SPC Power Corporation, KAPES, Inc., Honam Wind Power Co., Ltd., Jeongam Wind Power Co., Ltd., Korea Power Engineering Service Co., Ltd., Seokmun Energy Co., Ltd., Incheon New Power Co., Ltd., Chun-cheon Energy Co., Ltd., Yeonggwangbaeksu Wind Power Co., Ltd., KW Nuclear Components Co., Ltd., KEPCO-Uhde Inc., Busan Shinho Solar Power Co., Ltd., Global Trade Of Power System Co., Ltd., Expressway Solar-light Power Generation Co., Ltd., Gansu Datang Yumen Wind Power Co., Ltd., Datang Chifeng Renewable Power Co., Ltd., Rabigh Electricity Company, Rabigh Operation & Maintenance Company Limited, Datang KEPCO Chaoyang Renewable Power Co., Ltd., Shuweihat Asia Power Investment B.V., Shuweihat Asia Operation & Maintenance Company, Waterbury Lake Uranium L.P., ASM-BG Investicii AD, RES Technology AD, Jamaica Public Service Company Limited, KV Holdings, Inc., Amman Asia Electric Power Company, Kelar S.A, PT. Tanjung Power Indonesia, Nghi Son 2 Power LLC, Daehan Wind Power PSC, MOMENTUM, Barakah One Company, Nawah Energy Company, Yeonggwang Wind Power Co., Ltd., Chester Solar IV SpA, Chester Solar V SpA, Diego de Almagro Solar SpA, South Jamaica Power Company Limited, Daesan Green Energy Co.,Ltd., RE Holiday Holdings LLC, RE Pioneer Holdings LLC, RE Barren Ridge 1 Holdings LLC, RE Astoria 2 LandCo LLC, RE Barren Ridge LandCo LLC, Laurel SpA, KIAMCO KOWEPO Bannerton Hold Co Pty Ltd, Chile Solar JV SpA, Taebaek Gadeoksan Wind Power Co., Ltd., Cheong-Song Noraesan Wind Power Co., Ltd., Chester Solar I SpA, Solar Philippines Calatagan Corporation, Saemangeum Solar Power Co., Ltd., Chungsongmeon BongSan wind power Co., Ltd., Jaeun Resident Wind Power Plant Co., Ltd., DE Energia SpA, Dangjin Eco Power Co., Ltd., Haemodum Solar Co., Ltd., Yangyang Wind Power Co., Ltd., HORUS SOLAR, S.A. DE C.V., RECURSOS SOLARES PV DE MEXICO II, S.A. DE C.V., SUNMEX RENOVABLES, S.A. DE C.V., Stavro Holding II AB
Others (3 others) |  | Korea Development Bank, Ulleungdo Natural Energy Co., Ltd., Garolim Tidal Power Plant Co., Ltd.
(2) | Transactions between the Company and its subsidiaries are eliminated during the consolidation and are not disclosed in notes.
(3) | Related party transactions for the years ended December 31, 2017, 2018 and 2019 are as follows:
<Sales and Others>
|  |  |  |  |  |  |  | Sales and others |
Company name |  | Transaction type |  |  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dongducheon Dream Power Co., Ltd. |  |  | Electricity sales |  |  | ￦ |  |  |  |  | 17,041 |  |  |  | 6,093 |  |  |  | 7,071 |
Korea Gas Corporation |  |  | Electricity sales |  |  |  |  |  |  |  | 88,011 |  |  |  | 99,933 |  |  |  | 116,484 |
Daejung Offshore Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | 1 |
Daegu Photovoltaic Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 349 |  |  |  | 128 |  |  |  | 327 |
KS Solar Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 5 |  |  |  | — |  |  |  | — |
Heang Bok Do Si Photovoltaic Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 2 |  |  |  | 2 |  |  |  | 2 |
Korea Electric Power Industrial Development Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 14,044 |  |  |  | 10,422 |  |  |  | 11,085 |
Goseong Green Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 24,069 |  |  |  | 10,024 |  |  |  | 19,245 |
Gangneung Eco Power Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 2,391 |  |  |  | 4,928 |  |  |  | 7,446 |
Shin Pyeongtaek Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 9,025 |  |  |  | 8,468 |  |  |  | 21,218 |
Naepo Green Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 185 |  |  |  | 160 |  |  |  | 154 |
Noeul Green Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 32 |  |  |  | 30 |  |  |  | 30 |
Samcheok Eco Materials Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 237 |  |  |  | 605 |  |  |  | 627 |
YTN Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 1,987 |  |  |  | 2,043 |  |  |  | 2,257 |
Busan Green Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 120 |  |  |  | 19 |  |  |  | 18 |
Gunsan Bio Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | 3,611 |  |  |  | 4,755 |
Korea Electric Vehicle Charging Service |  |  | Electricity sales |  |  |  |  |  |  |  | 700 |  |  |  | 578 |  |  |  | 1,029 |
Tamra Offshore Wind Power Co., Ltd. |  |  | Electricity sales |  |  | ￦ |  |  |  |  | 55 |  |  |  | 58 |  |  |  | — |
Daegu clean Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 421 |  |  |  | 126 |  |  |  | — |
Cheongna Energy Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 7,980 |  |  |  | 11,688 |  |  |  | 9,922 |
Gangwon Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 994 |  |  |  | 2,402 |  |  |  | 2,433 |
Gwangyang Green Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | 874 |  |  |  | 122 |
Hyundai Green Power Co., Ltd. |  |  | Design service |  |  |  |  |  |  |  | 14,280 |  |  |  | 14,031 |  |  |  | 13,106 |
Korea Power Exchange |  |  | Service |  |  |  |  |  |  |  | 8,446 |  |  |  | 6,854 |  |  |  | 7,670 |
Hyundai Energy Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 15,627 |  |  |  | 1,718 |  |  |  | 3,437 |
Taebaek Wind Power Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 813 |  |  |  | 614 |  |  |  | 991 |
Taeback Guinemi Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 77 |
Pyeongchang Wind Power Co., Ltd. |  |  | Design service |  |  |  |  |  |  |  | 1,176 |  |  |  | 1,166 |  |  |  | 1,189 |
Daeryun Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 1,796 |  |  |  | 1,731 |  |  |  | 1,879 |
Changjuk Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 788 |  |  |  | 758 |  |  |  | 927 |
GS Donghae Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 11,204 |  |  |  | 7,238 |  |  |  | 15,792 |
KNH Solar Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 17 |  |  |  | 17 |  |  |  | 17 |
S-Power Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 12,852 |  |  |  | 9,118 |  |  |  | 6,535 |
PND solar Co., Ltd |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | 12 |  |  |  | 407 |
Hyundai Ecoenergy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 117 |
YeongGwang Yaksu Wind Electric. Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 81 |
Korea Energy Solution Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 52 |
Suwon New Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 5,606 |
9 Associates (Overseas) |  |  | Electricity sales and others |  |  |  |  |  |  |  | 21,864 |  |  |  | 60,318 |  |  |  | 98,450 |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |
Daegu Green Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 1,131 |  |  |  | 1,022 |  |  |  | 1,151 |
KAPES, Inc. |  |  | Commission |  |  |  |  |  |  |  | 1,420 |  |  |  | 648 |  |  |  | 504 |
Dangjin Eco Power Co., Ltd. |  |  | Technical fee |  |  |  |  |  |  |  | 670 |  |  |  | 3,424 |  |  |  | 4 |
Honam Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 552 |  |  |  | 415 |  |  |  | 657 |
Jeongam Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 30 |  |  |  | 724 |  |  |  | 1,198 |
Korea Power Engineering Service Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 1,317 |  |  |  | 840 |  |  |  | 348 |
Seokmun Energy Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 1,765 |  |  |  | 1,897 |  |  |  | 1,495 |
Incheon New Power Co., Ltd. |  |  | Construction revenue |  |  |  |  |  |  |  | 539 |  |  |  | 568 |  |  |  | 354 |
Chun-cheon Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 4,855 |  |  |  | 2,471 |  |  |  | 2,397 |
Yeonggwangbaeksu Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 1,654 |  |  |  | 1,540 |  |  |  | 1,744 |
Yeonggwang Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | 46 |  |  |  | 705 |
KW Nuclear Components Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 644 |  |  |  | 839 |  |  |  | 721 |
KEPCO-Uhde Inc. |  |  | Service |  |  |  |  |  |  |  | 34 |  |  |  | 17 |  |  |  | 15 |
Busan Shinho Solar Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | 87 |  |  |  | 362 |  |  |  | 452 |
Daesan Green Energy Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 39 |
Cheong-Song Noraesan Wind Power Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 6 |
Saemangeum Solar Power Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,230 |
Jaeun Resident Wind Power Plant Co., Ltd. |  |  | Electricity sales |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 105 |
25 Joint ventures (Overseas) |  |  | Electricity sales and others |  |  |  |  |  |  |  | 131,343 |  |  |  | 206,054 |  |  |  | 1,275,279 |
<Others> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Yeongwol Energy Station Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 830 |  |  |  | 373 |  |  |  | — |
DS POWER Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 5,819 |  |  |  | 565 |  |  |  | — |
Ulleungdo Natural Energy Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 1,013 |  |  |  | 292 |  |  |  | — |
Korea Development Bank |  |  | Electricity sales |  |  |  |  |  |  |  | 3,239 |  |  |  | 3,524 |  |  |  | 3,948 |
|  |  | Interest income |  |  |  |  |  |  |  | 1,685 |  |  |  | 4,438 |  |  |  | 2,091 |
<Purchase and Others>
|  |  |  |  |  |  |  | Purchase and others |
Company name |  | Transaction type |  |  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |
Dongducheon Dream Power Co., Ltd. |  |  | Electricity purchase |  |  | ￦ |  |  |  |  | 813,440 |  |  |  | 828,547 |  |  |  | 689,510 |
Korea Gas Corporation |  |  | Purchase of power generation fuel |  |  |  |  |  |  |  | 3,245,519 |  |  |  | 5,191,243 |  |  |  | 4,049,486 |
Daegu Photovoltaic Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 3,646 |  |  |  | 3,745 |  |  |  | 3,626 |
KS Solar Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 900 |  |  |  | — |  |  |  | — |
Heang Bok Do Si Photovoltaic Power Co., Ltd. |  |  | Rental fee and others |  |  |  |  |  |  |  | 570 |  |  |  | 455 |  |  |  | 450 |
Korea Electric Power Industrial Development Co., Ltd. |  |  | Electricity metering service fee |  |  |  |  |  |  |  | 289,293 |  |  |  | 261,668 |  |  |  | 245,057 |
Goseong Green Energy Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 32 |
Gangneung Eco Power Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | — |  |  |  | 19 |  |  |  | — |
Shin Pyeongtaek Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 119,162 |
Noeul Green Energy Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 15,862 |  |  |  | 18,282 |  |  |  | 22,767 |
Samcheok Eco Materials Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 14 |  |  |  | 3,819 |  |  |  | 9,425 |
YTN Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 731 |  |  |  | 322 |  |  |  | 333 |
Busan Green Energy Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 12,189 |  |  |  | 25,123 |  |  |  | 13,811 |
Gunsan Bio Energy Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,022 |
Korea Electric Vehicle Charging Service |  |  | Electricity purchase |  |  |  |  |  |  |  | 1,093 |  |  |  | 605 |  |  |  | 536 |
Tamra Offshore Wind Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 2,105 |  |  |  | 8,371 |  |  |  | — |
Cheongna Energy Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 59 |  |  |  | 58 |  |  |  | 58,747 |
YaksuESS Co., Ltd |  |  | Service |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,191 |
Gangwon Wind Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 25,968 |  |  |  | 25,407 |  |  |  | 24,116 |
Hyundai Green Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 458,378 |  |  |  | 480,815 |  |  |  | 507,662 |
Korea Power Exchange |  |  | Trading Fees |  |  |  |  |  |  |  | 207,855 |  |  |  | 137,489 |  |  |  | 120,509 |
Hyundai Energy Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 87,607 |  |  |  | 3,445 |  |  |  | 2,847 |
Taebaek Wind Power Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 6,534 |  |  |  | 8,582 |  |  |  | 7,070 |
Taeback Guinemi Wind Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 349 |
Pyeongchang Wind Power Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 4,033 |  |  |  | 6,994 |  |  |  | 5,188 |
Daeryun Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 146,189 |  |  |  | 184,063 |  |  |  | 144,862 |
Changjuk Wind Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 6,981 |  |  |  | 7,929 |  |  |  | 6,994 |
GS Donghae Electric Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 351,367 |  |  |  | 780,233 |  |  |  | 681,379 |
KNH Solar Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 3,947 |  |  |  | 3,586 |  |  |  | 3,377 |
S-Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 457,329 |  |  |  | 507,875 |  |  |  | 522,469 |
Hadong Mineral Fiber Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | — |  |  |  | 60 |  |  |  | — |
Green Biomass Co., Ltd. |  |  | Woodchip purchase |  |  |  |  |  |  |  | 1,345 |  |  |  | 440 |  |  |  | — |
YeongGwang Yaksu Wind Electric. Co., Ltd |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | 2,437 |  |  |  | 6,511 |
PND solar., Ltd |  |  | Service |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 557 |
Hyundai Ecoenergy Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 6,810 |
Korea Energy Solution Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 15 |
9 Associates (Overseas) |  |  | Electricity purchase and others |  |  |  |  |  |  |  | 72 |  |  |  | 31 |  |  |  | — |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Daegu Green Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 252,024 |  |  |  | 287,008 |  |  |  | 296,464 |
KAPES, Inc. |  |  | Service |  |  |  |  |  |  |  | 164,165 |  |  |  | 77,758 |  |  |  | 142,511 |
Honam Wind Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 5,962 |  |  |  | 7,700 |  |  |  | 5,306 |
Korea Power Engineering Service Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 1,292 |  |  |  | 1,765 |  |  |  | 1,774 |
Seokmun Energy Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 21,674 |  |  |  | 31,759 |  |  |  | 26,370 |
Chun-cheon Energy Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 194,136 |  |  |  | 320,954 |  |  |  | 313,471 |
Yeonggwangbaeksu Wind Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 11,124 |  |  |  | 11,366 |  |  |  | 11,739 |
Yeonggwang Wind Power Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 11,940 |
Busan Shinho Solar Power Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 7,984 |  |  |  | 7,901 |  |  |  | 7,843 |
Global Trade Of Power System Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 414 |  |  |  | 565 |  |  |  | 502 |
Expressway Solar-light Power Generation Co., Ltd. |  |  | Electricity purchase |  |  |  |  |  |  |  | 2,941 |  |  |  | 3,513 |  |  |  | 3,067 |
25 Joint ventures (Overseas) |  |  | Electricity purchase and others |  |  |  |  |  |  |  | 2,785 |  |  |  | 1,404 |  |  |  | 7,232 |
<Others> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Yeongwol Energy Station Co., Ltd. |  |  | REC purchase |  |  |  |  |  |  |  | 14,256 |  |  |  | 4,019 |  |  |  | — |
Ulleungdo Natural Energy Co., Ltd. |  |  | Service |  |  |  |  |  |  |  | 119 |  |  |  | 63 |  |  |  | — |
Korea Development Bank |  |  | Interest expense |  |  |  |  |  |  |  | 4,573 |  |  |  | 5,043 |  |  |  | 4,063 |
|  |  | Dividend paid |  |  |  |  |  |  |  | 418,407 |  |  |  | 166,876 |  |  |  | 20 |
(4) | Receivables and payables arising from related party transactions as of December 31, 2018 and 2019 are as follows:
|  |  |  |  |  |  | Receivables |  |  | Payables |
Company name |  | Type |  |  |  |  | 2018 |  |  | 2019 |  |  | 2018 |  |  | 2019 |
|  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dongducheon Dream Power Co., Ltd. |  | Trade receivables |  | ￦ |  |  |  |  | 332 |  |  |  | 323 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 298 |  |  |  | 267 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 74,651 |  |  |  | 85,920 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 10 |  |  |  | 12 |
Korea Gas Corporation |  | Trade receivables |  |  |  |  |  |  | 9,439 |  |  |  | 9,267 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 498 |  |  |  | 38 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 601,092 |  |  |  | 462,138 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 314 |  |  |  | 560 |
Daegu Photovoltaic Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 83 |  |  |  | 69 |
Korea Power Engineering Service Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | — |  |  |  | 74 |  |  |  | — |  |  |  | — |
Korea Electric Power Industrial Development Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 278 |  |  |  | 243 |  |  |  | — |  |  |  | — |
| Non-trade receivables and others |  |  |  |  |  |  | 51 |  |  |  | 43 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3,756 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 13,102 |  |  |  | 3,827 |
Goseong Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | — |  |  |  | 103 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 5,285 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 43,020 |  |  |  | 65,626 |
Gangneung Eco Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 115 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 99 |  |  |  | 65 |  |  |  | — |  |  |  | — |
Shin Pyeongtaek Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 123 |  |  |  | 1,013 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 242 |  |  |  | 2,281 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 64,696 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 82 |  |  |  | 61 |
Naepo Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 17 |  |  |  | 18 |  |  |  | — |  |  |  | — |
Noeul Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 3 |  |  |  | 3 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 8,774 |  |  |  | 1,855 |
Samcheok Eco Materials Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 61 |  |  |  | 59 |  |  |  | — |  |  |  | — |
YTN Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 98 |  |  |  | 97 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 11 |  |  |  | — |
Busan Green Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 10,882 |  |  |  | 606 |
Gunsan Bio Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 3,458 |  |  |  | — |  |  |  | — |  |  |  | — |
Korea Electric Vehicle Charging Service |  | Trade receivables |  |  |  |  |  |  | 69 |  |  |  | 137 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 354 |  |  |  | 529 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 56 |  |  |  | — |
Daegu Clean Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | 17 |  |  |  | — |  |  |  | — |  |  |  | — |
Cheongna Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 183 |  |  |  | 1,074 |  |  |  | — |  |  |  | — |
Yaksu ESS Co., Ltd. |  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 525 |
Gangwon Wind Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 10 |  |  |  | 7 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,547 |  |  |  | 2,979 |
Gwangyang Green Energy Co., Ltd. |  | Non-trade receivables and others |  |  |  |  |  |  | — |  |  |  | 1,334 |  |  |  | — |  |  |  | — |
Hyundai Green Power Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 390 |  |  |  | 502 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 38,072 |  |  |  | 41,587 |
Korea Power Exchange |  | Trade receivables |  |  |  |  |  |  | 847 |  |  |  | 1,142 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 229 |  |  |  | 114 |  |  |  | — |  |  |  | — |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 1,214 |  |  |  | 4,160 |
Hyundai Energy Co., Ltd. |  | Trade receivables |  |  |  |  |  |  | 57 |  |  |  | 128 |  |  |  | — |  |  |  | — |
|  | Non-trade receivables and others |  |  |  |  |  |  | 9,664 |  |  |  | 12,532 |  |  |  | — |  |  |  | — |
|  | Trade payables |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 259 |  |  |  | 175 |
|  | Non-trade payables and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 8,021 |  |  |  | 9,178 |
|  |  |  |  |  |  |  | Receivables |  |  | Payables |
Company name |  | Type |  |  |  |  |  | 2018 |  |  | 2019 |  |  | 2018 |  |  | 2019 |
|  |  |  |  |  |  |  | In millions of won |
<Associates> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ecollite Co., Ltd. |  |  | Non-trade receivables and others |  |  | ￦ |  |  |  |  | 210 |  |  |  | 210 |  |  |  | — |  |  |  | — |
Taebaek Wind Power Co., Ltd. |  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 453 |  |  |  | 358 |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 291 |  |  |  | 243 |
Taebaek Guinemi Wind Power Co., Ltd. |  |  | Non-trade receivables and others |  |  |  |  |  |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 190 |
Pyeongchang Wind Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 4 |  |  |  | 4 |  |  |  | — |  |  |  | — |
|  |  | Non-trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 25 |  |  |  | — |
Daeryun Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 178 |  |  |  | 144 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 15,845 |  |  |  | 19,843 |
Changjuk Wind Power Co., Ltd. |  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 455 |  |  |  | 447 |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 273 |  |  |  | 280 |
GS Donghae Electric power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 245 |  |  |  | 175 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 2,537 |  |  |  | 367 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 69,820 |  |  |  | 69,811 |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 59 |  |  |  | 16 |
KNH Solar Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | — |
S-Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 922 |  |  |  | 89 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 34 |  |  |  | 43 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 56,897 |  |  |  | 53,705 |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 16 |  |  |  | — |
PND solar., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 3 |  |  |  | — |  |  |  | — |  |  |  | — |
Hyundai Ecoenergy Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | — |  |  |  | 16 |  |  |  | — |  |  |  | — |
YeongGwang Yaksu Wind Electric. Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | — |  |  |  | 5 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2,679 |  |  |  | — |
Cheong-Song Noraesan Wind Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |
Suwon New Power Co., Ltd. |  |  | Non-trade receivables and others |  |  |  |  |  |  |  | — |  |  |  | 2,939 |  |  |  | — |  |  |  | — |
4 Associates (Overseas) |  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 455 |  |  |  | 1,112 |  |  |  | — |  |  |  | — |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Daegu Green Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 110 |  |  |  | 113 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 12 |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 32,609 |  |  |  | 28,980 |
KAPES, Inc. |  |  | Trade receivables |  |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 253 |  |  |  | — |  |  |  | — |  |  |  | — |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 338 |  |  |  | 50,738 |
Dangjin Eco Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 18 |  |  |  | — |  |  |  | — |  |  |  | — |
Honam Wind Power Co., Ltd. |  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 432 |  |  |  | 347 |
|  |  | Non-trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 3,573 |  |  |  | 1,671 |
Jeongam Wind Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 151 |  |  |  | 165 |  |  |  | — |  |  |  | — |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | 6 |
Korea Power Engineering Service Co., Ltd. |  |  | Non-trade receivables |  |  |  |  |  |  |  | — |  |  |  | 74 |  |  |  | — |  |  |  | — |
Seokmun Energy Co., Ltd. |  |  | Trade receivables |  |  | ￦ |  |  |  |  | 39 |  |  |  | 51 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables |  |  |  |  |  |  |  | 303 |  |  |  | 136 |  |  |  | — |  |  |  | — |
|  |  | Non-trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 5,043 |  |  |  | 4,750 |
Incheon New Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 128 |  |  |  | — |  |  |  | — |  |  |  | — |
Chun-cheon Energy Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 20 |  |  |  | 260 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 308 |  |  |  | 5,362 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 33,796 |  |  |  | 23,438 |
<Joint ventures> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Yeonggwangbaeksu Wind Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 7 |  |  |  | 6 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables |  |  |  |  |  |  |  | — |  |  |  | 157 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 736 |  |  |  | 671 |
|  |  | Non-trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 789 |  |  |  | 1,526 |
Yeonggwang Wind Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 10 |  |  |  | 10 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | — |  |  |  | 54 |  |  |  | — |  |  |  | — |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,432 |
KW Nuclear Components Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 4 |  |  |  | 4 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 31 |  |  |  | 15 |  |  |  | — |  |  |  | — |
KEPCO-Uhde Inc. |  |  | Non-trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 4 |  |  |  | 9 |
Busan Shinho Solar Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | 2 |  |  |  | 2 |  |  |  | — |  |  |  | — |
|  |  | Trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 175 |  |  |  | 148 |
|  |  | Non-trade payables |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 717 |  |  |  | 733 |
Daesan Green Energy Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | — |  |  |  | 6 |  |  |  | — |  |  |  | — |
Cheong-Song Noraesan Wind Power Co., Ltd. |  |  | Trade receivables |  |  |  |  |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |
Saemangeum Solar Power Co., Ltd. |  |  | Non-trade receivables and others |  |  |  |  |  |  |  | — |  |  |  | 2,197 |  |  |  | — |  |  |  | — |
14 Joint ventures (Overseas) |  |  | Trade receivables |  |  |  |  |  |  |  | 30,208 |  |  |  | 51,700 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 740 |  |  |  | 13,652 |  |  |  | — |  |  |  | — |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 18,379 |  |  |  | 87,404 |
<Others> |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Korea Development Bank |  |  | Accrued interest income |  |  |  |  |  |  |  | 1,147 |  |  |  | 1,630 |  |  |  | — |  |  |  | — |
|  |  | Non-trade receivables and others |  |  |  |  |  |  |  | 12,125 |  |  |  | 146,416 |  |  |  | — |  |  |  | — |
|  |  | Non-trade payables and others |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 218 |  |  |  | 152 |
|  |  | Derivatives |  |  |  |  |  |  |  | 27,306 |  |  |  | 41,368 |  |  |  | 18,095 |  |  |  | 6,531 |
(5) | Loans and others arising from related party transactions as of December 31, 2018 and 2019 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. |  | ￦ |  |  |  |  | 27,634 |  |  |  | 132 |  |  |  | — |  |  |  | 910 |  |  |  | 28,676 |
|  | (Allowance for doubtful accounts) |  |  |  |  |  |  | (6,065 | ) |  |  | — |  |  |  | — |  |  |  | (1,260 | ) |  |  | (7,325 | )
Associates |  | PT. Cirebon Electric Power |  |  |  |  |  |  | 8,696 |  |  |  | — |  |  |  | (8,900 | ) |  |  | 782 |  |  |  | 578 |
Associates |  | Xe-Pian Xe-Namnoy Power Co., Ltd. |  |  |  |  |  |  | 1,413 |  |  |  | 20,148 |  |  |  | — |  |  |  | (606 | ) |  |  | 20,955 |
Associates |  | PT. Wampu Electric Power |  |  |  |  |  |  | 14,880 |  |  |  | — |  |  |  | — |  |  |  | 1,622 |  |  |  | 16,502 |
Associates |  | Gunsan Bio Energy Co., Ltd. |  |  |  |  |  |  | 9,396 |  |  |  | 3,000 |  |  |  | — |  |  |  | — |  |  |  | 12,396 |
|  | (Allowance for doubtful accounts) |  |  |  |  |  |  | — |  |  |  | (10,128 | ) |  |  | — |  |  |  | — |  |  |  | (10,128 | )
Associates |  | Hyundai Energy Co., Ltd. |  | ￦ |  |  |  |  | 2,465 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,465 |
|  | (Allowance for doubtful accounts) |  |  |  |  |  |  | (2,465 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,465 | )
Joint ventures |  | Recursos Solares PV de Mexico II SA DE CV |  |  |  |  |  |  | — |  |  |  | 1,054 |  |  |  | — |  |  |  | 1 |  |  |  | 1,055 |
Joint ventures |  | Horus Solar SA DE CV |  |  |  |  |  |  | — |  |  |  | 3,320 |  |  |  | — |  |  |  | 3 |  |  |  | 3,323 |
Joint ventures |  | SUNMEX RENOVABLES SA DE CV |  |  |  |  |  |  | — |  |  |  | 144 |  |  |  | — |  |  |  | — |  |  |  | 144 |
Joint ventures |  | Kelar S.A |  |  |  |  |  |  | 48,694 |  |  |  | — |  |  |  | (8,320 | ) |  |  | 1,784 |  |  |  | 42,158 |
Joint ventures |  | Chester Solar IV SpA |  |  |  |  |  |  | — |  |  |  | 1,688 |  |  |  | (1,688 | ) |  |  | — |  |  |  | — |
Joint ventures |  | Chester Solar V SpA |  |  |  |  |  |  | — |  |  |  | 535 |  |  |  | (535 | ) |  |  | — |  |  |  | — |
Joint ventures |  | Diego de Almagro Solar SpA |  |  |  |  |  |  | — |  |  |  | 2,101 |  |  |  | (2,101 | ) |  |  | — |  |  |  | — |
Joint ventures |  | Chun-cheon Energy Co., Ltd. |  |  |  |  |  |  | 616 |  |  |  | 4,441 |  |  |  | — |  |  |  | — |  |  |  | 5,057 |
Joint ventures |  | Dangjin Eco Power Co., Ltd. (before the spin-off) |  |  |  |  |  |  | — |  |  |  | 2,600 |  |  |  | (2,600 | ) |  |  | — |  |  |  | — |
Joint ventures |  | DE energia SpA |  |  |  |  |  |  | — |  |  |  | 6,799 |  |  |  | — |  |  |  | (167 | ) |  |  | 6,632 |
Joint ventures |  | Eumseong Natural Gas Power Co., Ltd.(*1) |  |  |  |  |  |  | — |  |  |  | 20,000 |  |  |  | (20,000 | ) |  |  | — |  |  |  | — |
|  |  |  | ￦ |  |  |  |  | 105,264 |  |  |  | 55,834 |  |  |  | (44,144 | ) |  |  | 3,069 |  |  |  | 120,023 |
(*1) | Eumseong Natural Gas Power Co., Ltd. was established by spin-off from Dangjin Eco Power Co., Ltd. and merged by the Company during the year ended December 31, 2019.
(6) | Borrowings arising from related party transactions as of December 31, 2018 and 2019 are as follows:
Related parties |  | Type |  |  |  |  | Beginning balance |  |  | Borrowings |  |  | Repayment |  |  | Others |  |  | Ending balance |
|  |  |  |  |  |  | In millions of won |
Korea Development Bank |  | Facility |  | ￦ |  |  |  |  | 66,793 |  |  |  | 5,700 |  |  |  | (12,648 | ) |  |  | — |  |  |  | 59,845 |
|  | Others |  |  |  |  |  |  | 4,154 |  |  |  | — |  |  |  | (654 | ) |  |  | — |  |  |  | 3,500 |
|  | Operating funds |  |  |  |  |  |  | 81,000 |  |  |  | 172,442 |  |  |  | (73,992 | ) |  |  | (450 | ) |  |  | 179,000 |
|  | Syndicated Loan |  |  |  |  |  |  | 17,277 |  |  |  | — |  |  |  | (1,055 | ) |  |  | 863 |  |  |  | 17,085 |
(7) | Guarantees provided to associates or joint ventures as of December 31, 2019 are as follows:
Primary guarantor |  | Principal obligor |  | Type of guarantees |  | Credit limit |  |  | Guarantee
|  |  |  |  |  | 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 and others |  |  | USD 1,387 |  |  | Rabigh Electricity Company
Korea Electric Power Corporation |  | Nghi Son 2 Power LLC |  | Performance guarantees |  |  | USD 70,000 |  |  | SMBC Ho Chi Minh and others
Korea Electric Power Corporation |  | Barakah One Company |  | Debt guarantees |  |  | USD 900,000 |  |  | Export-Import Bank of Korea and others
|  |  |  | Performance guarantees and others |  |  | USD 4,430,240 |  |  |
Korea Electric Power Corporation |  | RE Holiday Holdings LLC |  | Performance guarantees |  |  | USD 223,000 |  |  | EPS Renewables Holdings, LLC, Santander Bank and others
Korea Electric Power Corporation |  | RE Pioneer Holdings LLC |  | Performance guarantees |  |  | USD 170,000 |  |  | EPS Renewables Holdings, LLC, Santander Bank and others
Korea Electric Power Corporation |  | RE Barren Ridge 1 Holdings LLC |  | Performance guarantees |  |  | USD 149,000 |  |  | EPS Renewables Holdings, LLC, Santander Bank and others
Korea Electric Power Corporation |  | Rabigh Electricity Company |  | Performance guarantees |  |  | SAR 6,508 |  |  | Hana Bank
Korea Electric Power Corporation |  |  |  | Debt guarantees |  |  | SAR 80,000 |  |  |
Korea Electric Power Corporation |  | Shuweihat Asia Power Investment B.V. |  | Performance guarantees |  |  | USD 100,000 |  |  | ING Bank
Korea Electric Power Corporation |  | Amman Asia Electric Power Company |  |  |  |  |  |  |  |
Korea Western Power Co., Ltd. |  | Cheongna Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 1,411 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding and others(*1) |  |  | — |  |  |
Korea Western Power Co., Ltd. |  | Xe-Pian Xe-Namnoy Power Co., Ltd. |  | Payment guarantees for business reserve |  |  | USD 2,500 |  |  | Krung Thai Bank
|  |  |  | Collateralized money invested |  |  | KRW 72,935 |  |  |
|  |  |  | Impounding bonus guarantees |  |  | USD 5,000 |  |  | SK E&C
Korea Western Power Co., Ltd. |  | Rabigh Operation & Maintenance Company Limited |  | Performance guarantees and others |  |  | SAR 5,600 |  |  | Saudi Arabia British Bank
Korea Western Power Co., Ltd. |  | Daegu Photovoltaic Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,060 |  |  | Korea Development Bank
Korea Western Power Co., Ltd. |  | Dongducheon Dream Power Co., Ltd. |  | Collateralized money invested(*7) |  |  | KRW 41,531 |  |  | Kookmin Bank and others
|  |  |  | Debt guarantees |  |  | KRW 20,300 |  |  | BNK Securities and others
Korea Western Power Co., Ltd. |  | PT. Mutiara Jawa |  | Collateralized money invested |  |  | KRW 1,438 |  |  | Woori Bank Nonghyup Bank
Korea Western Power Co., Ltd. |  | Haeng Bok Do Si Photovoltaic Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 215 |
Korea Western Power Co., Ltd. |  | Shin Pyeongtaek Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 66,956 |  |  | Kookmin Bank
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  | Kookmin Bank and others
Korea East-West Power Co., Ltd. |  | Busan Shinho Solar Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 5,045 |  |  | Korea Development Bank and others
Korea East-West Power Co., Ltd. |  | Seokmun Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 17,342 |  |  | Kookmin Bank and others
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | Chun-cheon Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 34,872 |  |  | Kookmin Bank and others
|  |  |  | Guarantees for supplemental funding(*1) |  |  | KRW 20,000 |  |  |
Korea East-West Power Co., Ltd. |  | Honam Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 4,375 |  |  | Shinhan Bank and others
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | GS Donghae Electric Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 255,983 |  |  | Korea Development Bank and others
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | Yeonggwangbaeksu Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,040 |  |  | Kookmin Bank and others
Korea East-West Power Co., Ltd. |  | Yeonggwang Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 17,627 |  |  | KDB Capital Corporation and others
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
Korea East-West Power Co., Ltd. |  | Daesan Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 17,182 |  |  | IBK
|  |  |  | Guarantees for supplemental funding(*1) |  |  | KRW 18,989 |  |  | IBK
Korea East-West Power Co., Ltd. |  | Taebaek Gadeoksan Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 7,846 |  |  | Samsung Fire & Marine Insurance Co., Ltd. and others
Korea East-West Power Co., Ltd. |  | PT. Tanjung Power Indonesia |  | Debt guarantees |  |  | USD 24,544 |  |  | Sumitomo Mitsui Banking Corporation
|  |  |  | Other guarantees |  |  | USD 3,150 |  |  | PT Adaro Indonesia
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  | Sumitomo Mitsui Banking Corporation and others
|  |  |  | Collateralized money invested |  |  | KRW 34,327 |  |  | MUFG and others
Korea East-West Power Co., Ltd. |  | South Jamaica Power Company Limited |  | Performance guarantees |  |  | USD 14,400 |  |  | Societe Generale
|  |  |  | Collateralized money invested |  |  | KRW 13,863 |  |  | JCSD Trustee Services Limited and others
EWP Barbados 1 SRL |  | South Jamaica Power Company Limited |  | Guarantees for supplemental funding(*1, 3) |  |  | — |  |  | JCSD Trustee Services Limited and others
Korea East-West Power Co., Ltd. |  | DE Energia SpA |  | Collateralized money invested |  |  | KRW 8,665 |  |  | Mirae Asset Daewoo Co., Ltd. and others
Korea East-West Power Co., Ltd. |  |  |  | Debt guarantees |  |  | KRW 6,632 |  |  |
Korea Southern Power Co., Ltd. |  | KNH Solar Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,382 |  |  | Shinhan Bank and Kyobo Life Insurance Co., Ltd.
|  |  |  | Performance guarantees and guarantees for supplemental funding(*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Daeryun Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 26,247 |  |  | Korea Development Bank and others
|  |  |  | Guarantees for supplemental funding and others(*1) |  |  | KRW 8,000 |  |  |
Korea Southern Power Co., Ltd. |  | Daegu Green Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 22,824 |  |  | Shinhan Bank and others
|  |  |  | Performance guarantees |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Kelar S.A |  | Performance guarantees |  |  | USD 61,692 |  |  | Hana Bank, MUFG
Korea Southern Power Co., Ltd. |  | Daehan Wind Power PSC |  | Debt guarantees(*9) |  |  | USD 16,000 |  |  | Shinhan Bank
|  |  |  | Performance guarantees |  |  | USD 3,600 |  |  |
|  |  |  | Debt guarantees(*9) |  |  | USD 240 |  |  |
|  |  |  | Performance Debt guarantees(*9) |  |  | USD 1,898 |  |  | Hana Bank
Korea Southern Power Co., Ltd. |  | Pyeongchang Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 5,877 |  |  | Woori Bank and Shinhan Bank and others
|  |  |  | Performance guarantees |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Taebaek Guinemi Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,553 |  |  | IBK
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
Korea Southern Power Co., Ltd. |  | Jeongam Wind Power Co., Ltd. |  | Guarantees for supplemental funding(*1) and performance guarantees |  |  | — |  |  | SK Securities.Co., LTD., KDB Capital Corporation, and others
|  |  |  | Collateralized money invested |  |  | KRW 4,437 |  |  |
Korea Southern Power Co., Ltd. |  | Taebaek Wind Power Co., Ltd. |  | Guarantees for supplemental funding(*1) |  |  | — |  |  | Shinhan Bank and others
Korea Southern Power Co., Ltd. |  | Samcheok Eco Materials Co., Ltd. |  | Payment guarantees(*4,7) |  |  | — |  |  | SEM Investment Co., Ltd.
Kospo Chile SpA |  | Kelar S.A. |  | Collateralized money invested |  |  | KRW 70,462 |  |  | Export-Import Bank of Korea and others
|  | Chester Solar I SpA |  | Collateralized money invested |  |  | KRW 1,157 |  |  | IBK
|  | Chester Solar IV SpA |  | Collateralized money invested |  |  | KRW 672 |  |  |
|  | Chester Solar V SpA |  | Collateralized money invested |  |  | KRW 146 |  |  |
|  | Diego de Almagro Solar Spa |  | Collateralized money invested |  |  | KRW 1,035 |  |  |
|  | Laurel SpA |  | Collateralized money invested |  |  | KRW 595 |  |  |
Korea Midland Power Co., Ltd. |  | YeongGwang Yaksu Wind Electric. Co., Ltd. |  | Collateralized money invested |  |  | KRW 386 |  |  | IBK and others
Korea Midland Power Co., Ltd. |  | Hyundai Green Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 124,253 |  |  | Korea Development Bank and others
Korea Midland Power Co., Ltd. |  | PT. Cirebon Electric Power |  | Debt guarantees |  |  | USD 11,248 |  |  | Mizuho Bank
Korea Midland Power Co., Ltd. |  | PT. Wampu Electric Power |  | Debt guarantees |  |  | USD 4,854 |  |  | SMBC
Korea Midland Power Co., Ltd. |  | Green Energy Electricity Generation Co., Ltd. |  | Collateralized money invested |  |  | KRW 163 |  |  | IBK
|  |  |  | Guarantees for supplemental funding and others(*1) |  |  | — |  |  | IBK and others
Korea Midland Power Co., Ltd. |  | YaksuESS Co., Ltd. |  | Collateralized money invested |  |  | KRW 516 |  |  | IBK
Korea Midland Power Co., Ltd. |  | Namjeongsusang Solar Power Operatin Co., Ltd. |  | Collateralized money invested |  |  | KRW 812 |  |  | IBK
Korea Midland Power Co., Ltd. |  | Gwangbaek Solar Power Investment Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,054 |  |  | IBK
Korea South-East Power Co., Ltd. |  | Hyundai Energy Co., Ltd. |  | Collateralized money invested(*5) |  |  | — |  |  | IBK
|  |  |  | Guarantees for supplemental funding and others(*1,6) |  |  | KRW 76,800 |  |  | NH investment & securities Co., Ltd. and others
Korea South-East Power Co., Ltd. |  | S-Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 115,784 |  |  | Korea Development Bank and others
Korea South-East Power Co., Ltd. |  | RES Technology AD |  | Collateralized money invested |  |  | KRW 16,248 |  |  | UniCredit Bulbank and others
Korea South-East Power Co., Ltd. |  | ASM-BG Investicii AD |  | Collateralized money invested |  |  | KRW 19,376 |  |  | UniCredit Bulbank and others
Korea South-East Power Co., Ltd. |  | Expressway Solar-light Power Generation Co., Ltd. |  | Guarantees for supplemental funding(*1,2) |  |  | KRW 2,500 |  |  | Woori Bank
Korea South-East Power Co., Ltd. |  | Goseong Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,340 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd. |  | Gangneung Eco Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,430 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd. |  | PND solar., Ltd. |  | Collateralized money invested |  |  | KRW 1,144 |  |  | IBK
Korea South-East Power Co., Ltd. |  | Hyundai Eco Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,781 |  |  | Samsung Life Insurance and others
Korea South-East Power Co., Ltd. |  | Jaeun Resident Wind Power Plant Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,198 |  |  | IBK
Korea South-East Power Co., Ltd. |  | Cheongsong Myeonbongsan Wind Power Plant Co., Ltd. |  | Collateralized money invested |  |  | KRW 2,764 |  |  | Kyobo Life Insurance Co., Ltd. and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Noeul Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 6,611 |  |  | Hana Bank and others
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
Korea Hydro & Nuclear Power Co., Ltd. |  | Busan Green Energy Co., Ltd. |  | Collateralized money invested |  |  | KRW 10,636 |  |  | Shinhan Bank and others
Korea Hydro & Nuclear Power Co., Ltd. |  | Cheong-Song Noraesan Wind Power Co., Ltd. |  | Collateralized money invested |  |  | KRW 3,044 |  |  | Woori Bank and others
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
KEPCO Plant Service & Engineering Co., Ltd. |  | Incheon New Power Co., Ltd. |  | Collateralized money invested(*8) |  |  | — |  |  | Shinhan Bank
|  |  |  | Guarantees for supplemental funding(*1) |  |  | — |  |  |
(*1) | The Company guarantees to provide supplemental funding for business with respect to excessive business expenses or insufficient repayment of borrowings.
(*2) | The Company has granted the right to Hana Financial Investment Co., Ltd., as an agent for the creditors to Expressway Solar-light Power Generation Co., Ltd. (“ESPG”), to the effect that in the event of acceleration of ESPG’s payment obligations under certain borrowings to such creditors, Hana Financial may demand the Company to dispose of shares in ESPG held by the Company and apply the resulting proceeds to repayment of ESPG’s obligations.
(*3) | This includes a guarantee for the shareholder’s capital payment in connection with the business of 190MW gas complex thermal power plant in Jamaica. EWP Barbados 1 SRL’s capital contribution amount is USD 18,400,000 and there is no residual guarantee amount among total collateral limit.
(*4) | Controlling and non-controlling common shareholders of Samcheok Eco Materials Co., Ltd. have pre-emption rights, if preferred shareholders intend to sell their shares until December 23, 2020. And promised yield of the preferred stock is guaranteed through the transaction. As of December 31, 2019, the Company has recognized derivative liabilities of ￦6,205 million related to the guarantee. Meanwhile, the Company is under an agreement with Samcheok Eco Materials Co., Ltd. that if a damage incurs related to the fulfillment of obligations pursuant to the mandatory contract of coal ash supply, compensation for the expected amount of the damage should be settled.
(*5) | The Company recognized an impairment loss on all of the equity securities of Hyundai Energy Co., Ltd. in prior years, and the acquisition cost of the securities provided as collateral is ￦47,067 million.
(*6) | Pursuant to the guarantee agreement, the Company recognized other provisions of ￦28,717 million as the possibility of economic benefit outflow to fulfill the obligation was deemed probable and the amount could be reasonably estimated.
(*7) | The common stocks of Dongducheon Dream Power Co., Ltd. held by the Company were pledged as collateral.
(*8) | The Company recognized an impairment loss on all of the equity securities of Incheon New Power Co., Ltd. during the year ended December 31,2019, and the acquisition cost of the securities provided as collateral is ￦461 million.
(*9) | The Company provided a payment guarantee to Daehan Wind Power PSC for reimbursement of Equity Bridge Loan(EBL), opening LC for Debt Service Reserve Account(DSRA), guarantee for the swap termination costs and others.
(8) | As of December 31, 2019, there is no financial guarantee contract provided by related parties.
(9) | Derivatives transactions with related parties as of December 31, 2019 are as follows:
| (i) | Currency Swap
Counterparty |  | Contract year |  |  |  |  |  | Contract Amount |  |  | Contract interest rate per annum |  |  |  |  |  | Contract exchange rate |
|  |  |  | Pay |  |  | Receive |  |  | Pay (%) |  |  | Receive (%) |  |  |  |
|  | In millions of won and thousands of foreign currencies |
Korea Development Bank |  |  | 2019~2024 |  |  | ￦ |  |  |  |  | 177,600 |  |  |  | USD 150,000 |  |  |  | 1.24 | % |  |  | 2.50 | % |  | ￦ |  |  |  |  | 1,184.00 |
|  |  | 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 |
|  |  | 2018~2023 |  |  |  |  |  |  |  | 170,280 |  |  |  | USD 150,000 |  |  |  | 2.15 | % |  |  | 3.75 | % |  |  |  |  |  |  | 1,135.20 |
|  |  | 2019~2027 |  |  |  |  |  |  |  | 119,978 |  |  |  | CHF 100,000 |  |  |  | 1.43 | % |  |  | 0.05 | % |  |  |  |  |  |  | 1,199.78 |
|  |  | 2017~2020 |  |  |  |  |  |  |  | 114,580 |  |  |  | USD 100,000 |  |  |  | 1.75 | % |  |  | 2.38 | % |  |  |  |  |  |  | 1,145.80 |
|  |  | 2016~2021 |  |  |  |  |  |  |  | 121,000 |  |  |  | USD 100,000 |  |  |  | 2.15 | % |  |  | 2.50 | % |  |  |  |  |  |  | 1,210.00 |
|  |  | 2019~2022 |  |  |  |  |  |  |  | 112,650 |  |  |  | USD 100,000 |  |  |  | 1.80 | % |  |  | 3.38 | % |  |  |  |  |  |  | 1,126.50 |
|  |  | 2018~2023 |  |  |  |  |  |  |  | 320,880 |  |  |  | USD 300,000 |  |  |  | 2.03 | % |  |  | 3.75 | % |  |  |  |  |  |  | 1,069.60 |
|  |  | 2019~2022 |  |  |  |  |  |  |  | 117,340 |  |  |  | USD 100,000 |  |  |  | 1.06 | % |  |  | 2.38 | % |  |  |  |  |  |  | 1,173.40 |
|  |  | 2018~2021 |  |  |  |  |  |  |  | 212,960 |  |  |  | USD 200,000 |  |  |  | 2.10 | % |  |  | 3.00 | % |  |  |  |  |  |  | 1,064.80 |
|  |  | 2017~2022 |  |  |  |  |  |  |  | 113,300 |  |  |  | USD 100,000 |  |  |  | 1.94 | % |  |  | 2.63 | % |  |  |  |  |  |  | 1,133.00 |
|  |  | 2018~2023 |  |  |  |  |  |  |  | 169,335 |  |  |  | USD 150,000 |  |  |  | 2.26 | % |  |  | 3.88 | % |  |  |  |  |  |  | 1,128.90 |
| (ii) | Currency forward
Counterparty |  | Contract date |  |  | Maturity date |  |  |  |  |  | Contract amounts |  |  |  |  |  | Contract exchange rate |
|  |  |  | Pay |  |  | Receive |  |  |  |
|  | In millions of won and thousands of foreign currencies |
Korea Development Bank |  |  | 2017.12.27 |  |  |  | 2021.07.12 |  |  | ￦ |  |  |  |  | 104,849 |  |  |  | USD 100,000 |  |  | ￦ |  |  |  |  | 1,048.49 |
|  |  | 2019.12.11 |  |  |  | 2020.01.15 |  |  |  |  |  |  |  | 11,925 |  |  |  | USD 10,000 |  |  |  |  |  |  |  | 1,192.50 |
|  |  | 2019.12.30 |  |  |  | 2020.01.23 |  |  |  |  |  |  |  | 4,630 |  |  |  | USD 4,000 |  |  |  |  |  |  |  | 1,157.40 |
(10) | The Company considers executive directors and executive head officer in charge of planning, operation, control of business activity as the key members of management. Salaries and other compensations to the key members of management of the Company for the years ended December 31, 2017, 2018 and 2019 are as follows:
Type |  |  |  |  | 2017 |  |  | 2018 |  |  | 2019 |
|  |  |  |  | In millions of won |
Salaries |  | ￦ |  |  |  |  | 1,271 |  |  |  | 1,106 |  |  |  | 1,315 |
Employee benefits |  |  |  |  |  |  | 54 |  |  |  | 24 |  |  |  | 31 |
|  | ￦ |  |  |  |  | 1,325 |  |  |  | 1,130 |  |  |  | 1,346 |

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