XML 126 R111.htm IDEA: XBRL DOCUMENT v3.19.1

Related parties (Tables)

12 Months Ended

Dec. 31, 2018

Related Parties [Abstract]

Related Party Transactions

Related party transactions for the years ended December 31, 2016, 2017 and 2018 are as follows:

<Sales and Others>

										Sales and others
Company name		Transaction type								2016				2017				2018
										In millions of won
<Associates>
Dongducheon Dream Power Co., Ltd.			Electricity sales			￦					15,221				17,041				6,093
Korea Gas Corporation			Electricity sales								89,030				88,011				99,933
Daegu Photovoltaic Co., Ltd.			Electricity sales								—				349				128
Jeongam Wind Power Co., Ltd.			Electricity sales								6				30				724
Korea Power Engineering Service Co., Ltd.			Service								1,455				1,317				840
KS Solar Co., Ltd.			Electricity sales								20				5				—
Heang Bok Do Si Photovoltaic Power Co., Ltd.			Electricity sales								2				2				2
Korea Electric Power Industrial Development Co., Ltd.			Service								10,723				14,044				10,422
Goseong Green Energy Co., Ltd.			Electricity sales								9,195				24,069				10,024
Gangneung Eco Power Co., Ltd.			Service								5,223				2,391				4,928
Shin Pyeongtaek Power Co., Ltd.			Electricity sales								3,579				9,025				8,468
Naepo Green Energy Co., Ltd.			Electricity sales								104				185				160
Noeul Green Energy Co., Ltd.			Electricity sales								177				32				30
Samcheok Eco Materials Co., Ltd.			Electricity sales								64				237				605
YTN Co., Ltd.			Electricity sales								1,785				1,987				2,043
Busan Green Energy Co., Ltd.			Electricity sales								133				120				19
Gunsan Bio Energy Co., Ltd.			Electricity sales								6				—				3,611
Korea Electric Vehicle Charging Service			Electricity sales								89				700				578
Ulleungdo Natural Energy Co., Ltd.			Service								691				1,013				292
Tamra Offshore Wind Power Co., Ltd.			Electricity sales								12				55				58
Daegu clean Energy Co., Ltd.			Electricity sales								—				421				126
Cheongna Energy Co., Ltd.			Service								6,831				7,980				11,688
Gangwon Wind Power Co., Ltd.			Electricity sales								1,273				994				2,402
Gwangyang Green Energy Co., Ltd.			Electricity sales								—				—				874
Hyundai Green Power Co., Ltd.			Design service								14,835				14,280				14,031
Korea Power Exchange			Service								7,141				8,446				6,854
Hyundai Energy Co., Ltd.			Service								24,719				15,627				1,718
Taebaek Wind Power Co., Ltd.			Service								796				813				614
Pyeongchang Wind Power Co., Ltd.			Design service								497				1,176				1,166
Daeryun Power Co., Ltd.			Electricity sales								1,516				1,796				1,731
Changjuk Wind Power Co., Ltd.			Electricity sales								863				788				758
KNH Solar Co., Ltd.			Electricity sales								17				17				17
S-Power Co., Ltd.			Service							￦	5,994				12,852				9,118
PND solar., Ltd			Electricity sales								—				—				12
Busan Solar Co., Ltd.			Electricity sales								8				—				—
Green Biomass Co., Ltd.			Electricity sales								2				—				—
SPC Power Corporation			Dividend income								8,346				5,562				9,549
Gemeng International Energy Co., Ltd.			Dividend income								16,476				13,365				11,246
PT. Cirebon Electric Power			Dividend income								—				550				4,432
Dolphin Property Limited			Dividend income								35				—				—
PT. Bayan Resources TBK			Service								160				717				33,817
Nepal Water & Energy Development Company Private Limited			Service								375				900				536
Pioneer Gas Power Limited			Rental income and others								164				62				26
Xe-Pian Xe-Namnoy Power Co., Ltd.			Service								773				661				672
PT. Mutiara Jawa			Rental income and others								—				47				40
<Joint ventures>
Daegu Green Power Co., Ltd.			Electricity sales								768				1,131				1,022
KEPCO SPC Power Corporation			Service								10,344				45,005				43,141
Daejung Offshore Wind Power Co., Ltd.			Electricity sales								1				1				1
KAPES, Inc.			Commission								1,176				1,420				648
Dangjin Eco Power Co., Ltd.			Technical fee								1,787				670				3,424
Honam Wind Power Co., Ltd.			Electricity sales								169				552				415
Seokmun Energy Co., Ltd.			Service								1,627				1,765				1,897
Incheon New Power Co., Ltd.			Construction revenue								524				539				568
Chun-cheon Energy Co., Ltd.			Electricity sales								3,079				4,855				2,471
Yeonggwangbaeksu Wind Power Co., Ltd.			Electricity sales								1,591				1,654				1,540
Yeonggwang Wind Power Co., Ltd.			Electricity sales								—				—				46
KW Nuclear Components Co., Ltd.			Service								3,327				644				839
KEPCO-Uhde Inc.			Service								6				34				17
GS Donghae Electric Power Co., Ltd.			Electricity sales								12,994				11,204				7,238
Busan Shinho Solar Power Co., Ltd.			Electricity sales								210				87				362
Datang Chifeng Renewable Power Co., Ltd.			Interest income								8,216				500				19,013
Rabigh Electricity Company			Service								699				19,179				29,167
Rabigh Operation & Maintenance Company Limited			Service								2,395				2,784				1,707
Datang Chaoyang Renewable Power Co., Ltd.			Dividend income								—				839				—
Shuweihat Asia Power Investment B.V.			Dividend income								2,957				1,707				499
Shuweihat Asia Operation & Maintenance Company			Service								1,179				1,319				1,046
ASM-BG Investicii AD			Service								322				1,062				1,153
Jamaica Public Service Company Limited			Service								1,905				—				5,160
KV Holdings, Inc.			Dividend income								302				—				735
Datang KEPCO Chaoyang Renewable Co., Ltd.			Dividend income								440				—				—
Amman Asia Electric Power Company			Service								21,915				14,205				16,569
Kelar S.A			Service								1,702				570				—
Nghi Son 2 Power LLC			Service								—				2,693				25,880
Barakah One Company			Service								25,244				7,059				7,777
Nawah Energy Company			Service								—				34,421				51,144
South Jamaica Power Company Limited			Service								—				—				152
RE Holiday Holdings LLC			Dividend income								—				—				112
RE Pioneer Holdings LLC			Dividend income								—				—				979
RE Barren Ridge 1 Holdings LLC			Dividend income								—				—				1,114
RE Astoria 2 LandCo LLC			Dividend income								—				—				504
RE Barren Ridge LandCo LLC			Dividend income								—				—				202
<Others>
Yeongwol Energy Station Co., Ltd.			Service								858				830				373
DS POWER Co., Ltd.			Service								35,133				5,819				565
Korea Development Bank			Electricity sales								3,102				3,239				3,524
			Interest income								3,164				1,685				4,438

<Purchase and Others>

										Purchase and others
Company name		Transaction type								2016				2017				2018
										In millions of won
<Associates>
Dongducheon Dream Power Co., Ltd.			Electricity purchase			￦					946,463				813,440				828,547
Korea Gas Corporation			Purchase of power generation fuel								3,633,198				3,245,519				5,191,243
Daegu Photovoltaic Co., Ltd.			REC purchase								3,243				3,646				3,745
Korea Power Engineering Service Co., Ltd.			Service								723				1,292				1,765
KS Solar Co., Ltd.			REC purchase								4,080				900				—
Heang Bok Do Si Photovoltaic Power Co., Ltd.			Rental fee and others								410				570				455
Korea Electric Power Industrial Development Co., Ltd.			Electricity metering service fee								250,057				289,293				261,668
Gangneung Eco Power Co., Ltd.			Service								—				—				19
Noeul Green Energy Co., Ltd.			Service								—				15,862				18,282
Samcheok Eco Materials Co., Ltd.			Electricity purchase								—				14				3,819
YTN Co., Ltd.			Advertisement fee								554				731				322
Busan Green Energy Co., Ltd.			Service								—				12,189				25,123
Korea Electric Vehicle Charging Service			Service								—				1,093				605
Ulleungdo Natural Energy Co., Ltd.			Electricity purchase								60				119				63
Tamra Offshore Wind Power Co., Ltd.			Electricity purchase								—				2,105				8,371
Cheongna Energy Co., Ltd.			Service								73				59				58
Gangwon Wind Power Co., Ltd.			Electricity purchase								22,780				25,968				25,407
Hyundai Green Power Co., Ltd.			Electricity purchase								469,547				458,378				480,815
Korea Power Exchange			Trading Fees								91,433				207,855				137,489
Hyundai Energy Co., Ltd.			Electricity purchase								1,313				87,607				3,445
Taebaek Wind Power Co., Ltd.			REC purchase								5,741				6,534				8,582
Pyeongchang Wind Power Co., Ltd.			Service								1,594				4,033				6,994
Daeryun Power Co., Ltd.			Electricity purchase								244,023				146,189				184,063
Changjuk Wind Power Co., Ltd.			Electricity purchase								5,786				6,981				7,929
KNH Solar Co., Ltd.			Electricity purchase								4,006				3,947				3,586
S-Power Co., Ltd.			Electricity purchase								437,206				457,329				507,875
Busan Solar Co., Ltd.			Electricity purchase								1,079				—				—
Hadong Mineral Fiber Co., Ltd.			Service								—				—				60
Green Biomass Co., Ltd.			Woodchip purchase								2,232				1,345				440
YeongGwang Yaksu Wind Electric. Co., Ltd			Electricity purchase								—				—				2,437
Nepal Water & Energy Development Company Private Limited			Service								—				72				31
<Joint ventures>
Daegu Green Power Co., Ltd.			Electricity purchase								263,797				252,024				287,008
KAPES, Inc.			Service								140,555				164,165				77,758
Honam Wind Power Co., Ltd.			Electricity purchase								6,776				5,962				7,700
Seokmun Energy Co., Ltd.			REC purchase								—				21,674				31,759
Chun-cheon Energy Co., Ltd.			REC purchase								—				194,136				320,954
Yeonggwangbaeksu Wind Power Co., Ltd.			Electricity purchase								11,208				11,124				11,366
GS Donghae Electric Power Co., Ltd.			Electricity purchase								903				351,367				780,233
Busan Shinho Solar Power Co., Ltd.			REC purchase								6,770				7,984				7,901
Global Trade Of Power System Co., Ltd.			Service								882				414				565
Expressway Solar-light Power Generation Co., Ltd.			Electricity purchase								2,942				2,941				3,513
ASM-BG Investicii AD			Service								—				—				1
Jamaica Public Service Company Limited			Service								127				154				83
Barakah One Company			Service								—				2,631				1,145
South Jamaica Power Company Limited			Service								—				—				67
<Others>
Yeongwol Energy Station Co., Ltd.			REC purchase								14,875				14,256				4,019
Korea Development Bank			Interest expense								8,231				4,573				5,043
			Dividend paid								654,829				418,407				166,876

Receivables and payables arising from related party transactions

Receivables and payables arising from related party transactions as of December 31, 2017 and 2018 are as follows:

										Receivables								Payables
Company name		Type								2017				2018				2017				2018
										In millions of won
<Associates>
Dongducheon Dream Power Co., Ltd.			Trade receivables			￦					2,230				332				—				—
			Non-trade receivables and others								655				298				—				—
			Trade payables								—				—				77,817				74,651
			Non-trade payables and others								—				—				—				10
Korea Gas Corporation			Trade receivables								9,833				9,439				—				—
			Non-trade receivables and others								339				498				—				—
			Trade payables								—				—				524,881				601,092
			Non-trade payables and others								—				—				569				314
Daegu Photovoltaic Co., Ltd.			Trade payables								—				—				71				83
Jeongam Wind Power Co., Ltd.			Trade receivables								—				151				—				—
			Non-trade payables and others								—				—				4				2
Korea Electric Power Industrial Development Co., Ltd.			Trade receivables								333				278				—				—
			Non-trade receivables and others								42				51				—				—
			Non-trade payables and others								—				—				18,006				13,102
Goseong Green Energy Co., Ltd.			Non-trade receivables and others								19				—				—				—
			Non-trade payables and others								—				—				7,140				43,020
Gangneung Eco Power Co., Ltd.			Trade receivables								1				1				—				—
			Non-trade receivables and others								4,747				99				—				—
Shin Pyeongtaek Power Co., Ltd.			Trade receivables								—				123				—				—
			Non-trade receivables and others								210				242				—				—
			Non-trade payables and others								—				—				52				82
Naepo Green Energy Co., Ltd.			Trade receivables								17				17				—				—
Noeul Green Energy Co., Ltd.			Trade receivables								3				3				—				—
			Non-trade payables and others								—				—				2,041				8,774
Samcheok Eco Materials Co., Ltd.			Trade receivables								20				61				—				—
YTN Co., Ltd.			Trade receivables								98				98				—				—
			Non-trade payables and others								—				—				209				11
Busan Green Energy Co., Ltd.			Trade receivables								7				1				—				—
			Non-trade receivables and others								1,691				—				—				—
			Non-trade payables and others								—				—				—				10,882
Gunsan Bio Energy Co., Ltd.			Non-trade receivables and others								—				3,458				—				—
Korea Electric Vehicle Charging Service			Trade receivables								23				69				—				—
			Non-trade receivables and others								—				354				—				—
			Trade payables								—				—				45				—
			Non-trade payables and others								—				—				—				56
Daegu Clean Energy Co., Ltd.			Non-trade receivables and others								—				17				—				—
Cheongna Energy Co., Ltd.			Trade receivables								182				183				—				—
			Non-trade payables and others								—				—				1				—
Gangwon Wind Power Co., Ltd.			Trade receivables								6				10				—				—
			Trade payables								—				—				3,033				2,547
Hyundai Green Power Co., Ltd.			Trade receivables								946				390				—				—
			Trade payables								—				—				32,589				38,072
Korea Power Exchange			Trade receivables								463				847				—				—
			Non-trade receivables and others								128				229				—				—
			Non-trade payables and others								—				—				1,142				1,214
Hyundai Energy Co., Ltd.			Trade receivables			￦					49				57				—				—
			Non-trade receivables and others								6,598				9,664				—				—
			Trade payables								—				—				223				259
			Non-trade payables and others								—				—				13,796				8,021
<Associates>
Ecollite Co., Ltd.			Non-trade receivables and others								210				210				—				—
Taebaek Wind Power Co., Ltd.			Trade receivables								116				—				—				—
			Trade payables								—				—				533				453
			Non-trade payables and others								—				—				121				291
Pyeongchang Wind Power Co., Ltd.			Trade receivables								3				4				—				—
			Non-trade payables and others								—				—				163				25
Daeryun Power Co., Ltd.			Trade receivables								162				178				—				—
			Trade payables								—				—				15,706				15,845
Changjuk Wind Power Co., Ltd.			Trade receivables								101				—				—				—
			Trade payables								—				—				515				455
			Non-trade payables and others								—				—				546				273
KNH Solar Co., Ltd.			Trade receivables								1				1				—				—
			Non-trade payables and others								—				—				193				—
S-Power Co., Ltd.			Trade receivables								117				922				—				—
			Non-trade receivables and others								5,183				34				—				—
			Trade payables								—				—				25,061				56,897
			Non-trade payables and others								—				—				—				16
Green Biomass Co., Ltd.			Non-trade payables and others								—				—				85				—
PND solar., Ltd			Trade receivables								—				3				—				—
YeongGwang Yaksu Wind Electric. Co., Ltd			Trade payables								—				—				—				2,679
SPC Power Corporation			Non-trade receivables and others								76				73				—				—
Nepal Water & Energy Development Company Private Limited			Non-trade receivables and others								227				311				—				—
Xe-Pian Xe-Namnoy Power Co., Ltd.			Non-trade receivables and others								53				61				—				—
PT. Mutiara Jawa			Non-trade receivables and others								—				10				—				—
<Joint ventures>
Daegu Green Power Co., Ltd.			Trade receivables								98				110				—				—
			Non-trade receivables and others								10				12				—				—
			Trade payables								—				—				25,257				32,609
KAPES, Inc.			Non-trade receivables and others								—				253				—				—
			Trade payables								—				—				55				—
			Non-trade payables and others								—				—				—				338
Dangjin Eco Power Co., Ltd.			Non-trade receivables and others								1,211				18				—				—
			Non-trade payables and others								—				—				41				—
Honam Wind Power Co., Ltd.			Trade payables								—				—				381				432
			Non-trade payables and others								—				—				3,013				3,573
Seokmun Energy Co., Ltd.			Trade receivables								93				39				—				—
			Non-trade receivables and others								276				303				—				—
			Non-trade payables and others								—				—				3,052				5,043
Incheon New Power Co., Ltd.			Trade receivables			￦					128				128				—				—
Chun-cheon Energy Co., Ltd.			Trade receivables								129				20				—				—
			Non-trade receivables and others								252				308				—				—
			Trade payables								—				—				29,676				33,796
<Joint ventures>
Yeonggwangbaeksu Wind Power Co., Ltd.			Trade receivables								7				7				—				—
			Non-trade receivables and others								144				—				—				—
			Trade payables								—				—				619				736
			Non-trade payables and others								—				—				1,300				789
Yeonggwang Wind Power Co., Ltd.			Trade receivables								—				10				—				—
KW Nuclear Components Co., Ltd.			Trade receivables								4				4				—				—
			Non-trade receivables and others								—				31				—				—
KEPCO-Uhde Inc.			Non-trade payables and others								—				—				4				4
GS Donghae Electric Power Co., Ltd.			Trade receivables								450				245				—				—
			Non-trade receivables and others								1,892				2,537				—				—
			Trade payables								—				—				73,570				69,820
			Non-trade payables and others								—				—				—				59
Busan Shinho Solar Power Co., Ltd.			Trade receivables								2				2				—				—
			Trade payables								—				—				159				175
			Non-trade payables and others								—				—				811				717
Datang Chifeng Renewable Power Co., Ltd.			Non-trade receivables and others								82				—				—				—
Rabigh Operation & Maintenance Company Limited			Non-trade receivables and others								869				449				—				—
ASM-BG Investicii AD			Non-trade receivables and others								37				38				—				—
Jamaica Public Service Company Limited			Trade receivables								—				594				—				—
			Non-trade payables and others								—				—				—				24
Amman Asia Electric Power Company			Trade receivables								2,675				—				—				—
			Non-trade payables and others								—				—				—				18,351
Nawah Energy Company			Trade receivables								10,419				29,614				—				—
			Non-trade receivables and others								—				253				—				—
<Others>
Yeongwol Energy Station Co., Ltd.			Trade receivables								7,068				—				—				—
DS POWER Co., Ltd.			Trade receivables								340				—				—				—
Korea Development Bank			Accrued interest income								204				1,147				—				—
			Non-trade receivables and others								501,029				12,125				—				—
			Non-trade payables and others								—				—				200				218
			Derivatives								569				27,306				22,398				18,095

Loans and others arising from related party transactions

Loans and others arising from related party transactions as of December 31, 2017 and 2018 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.		￦					26,341				229				—				1,064				27,634
		(Allowance for doubtful accounts)							(16,551	)			—				4,072				6,414				(6,065	)
Associates		PT. Cirebon Electric Power							15,436				1,283				(8,522	)			499				8,696
Associates		Xe-Pian Xe-Namnoy Power Co., Ltd.							1,413				—				—				—				1,413
Associates		PT Wampu Electric Power							13,288				970				—				622				14,880
Associates		Gunsan Bio Energy Co., Ltd.							9,396				—				—				—				9,396
Associates		Hyundai Energy Co., Ltd.							2,465				—				—				—				2,465
		(Allowance for doubtful accounts)							(2,465	)			—				—				—				(2,465	)
Joint ventures		KEPCO SPC Power Corporation							17,249				—				(17,715	)			466				—
Joint ventures		Datang Chifeng Renewable Power Co., Ltd.							7,245				—				(7,440	)			195				—
Joint ventures		Nghi Son 2 Power LLC							—				4,566				(4,566	)			—				—
Joint ventures		KODE NOVUS II LLC (*)							4,018				—				—				(4,018	)			—
		(Allowance for doubtful accounts) (*)							(4,018	)			—				—				4,018				—
Joint ventures		Kelar S.A							46,620				—				—				2,074				48,694
Joint ventures		Daehan Wind Power PSC							1,211				—				(606	)			(605	)			—
Joint ventures		Chester Solar IV SpA							4,607				—				(4,607	)			—				—
Joint ventures		Chun-cheon Energy Co., Ltd.							—				616				—				—				616
				￦					126,255				7,664				(39,384	)			10,729				105,264

(*) The loans of KODE NOVUS II LLC is eliminated because the Company sold all of its shares of KODE NOVUS II LLC during the year ended December 31, 2018 as described in note 20.

Borrowings arising from related party transactions

Borrowings arising from related party transactions as of December 31, 2017 and 2018 are as follows:

Related parties		Type						Beginning balance				Borrowings				Repayment				Others				Ending balance
								In millions of won
Korea Development Bank		Facility		￦					93,883				1,200				(28,290	)			—				66,793
		Others							4,909				—				(755	)			—				4,154
		Operating funds							61,000				32,000				(12,000	)			—				81,000
		Syndicated Loan							16,301				—				(125	)			1,100				17,276

Guarantees provided to associates or joint ventures

Guarantees provided to associates or joint ventures as of December 31, 2018 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			SAPCO
Korea Electric Power Corporation		Rabigh Operation & Maintenance Company Limited		Performance guarantees and others			USD 1,387			RABEC
Korea Electric Power Corporation		Barakah One Company		Debt guarantees			USD 900,000			Export-Import Bank of Korea and others
				Performance guarantees and others			USD 3,404,275			Export-Import Bank of Korea and others
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			Firstar Development, LLC, Santander Bank and others
Korea Electric Power Corporation		Nghi Son 2 Power LLC		Performance guarantees			USD 28,000			SMBC Ho Chi Minh
Korea Western Power Co., Ltd.		Cheongna Energy Co., Ltd.		Collateralized money invested			KRW 3,465			KEB Hana Bank and others
				Guarantees for supplemental funding and others(*1)			—			KEB Hana Bank and others
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 77,165			Krung Thai Bank
				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 2,002			Korea Development Bank
Korea Western Power Co., Ltd.		Dongducheon Dream Power Co., Ltd.		Collateralized money invested(*7)			KRW 41,389			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 365			Woori Bank
Korea Western Power Co., Ltd.		Heang Bok Do Si Photovoltaic Power Co., Ltd.		Collateralized money invested			KRW 202			Nonghyup Bank
Korea Western Power Co., Ltd.		Shin Pyeongtaek Power Co., Ltd.		Collateralized money invested			KRW 67,600			Kookmin Bank
				Guarantees for supplemental funding(*1)			—			Kookmin Bank
Korea East-West Power Co., Ltd.		Busan Shinho Solar Power Co., Ltd.		Collateralized money invested			KRW 4,761			Korea Development Bank and others
Korea East-West Power Co., Ltd.		Seokmun Energy Co., Ltd.		Collateralized money invested			KRW 16,751			Kookmin Bank and others
Korea East-West Power Co., Ltd.		Chun-cheon Energy Co., Ltd.		Collateralized money invested			KRW 42,505			Kookmin Bank and others
				Guarantees for supplemental funding(*1)			KRW 20,000			Kookmin Bank and others
Korea East-West Power Co., Ltd.		Honam Wind Power Co., Ltd.		Collateralized money invested			KRW 4,860			Shinhan Bank and others
Korea East-West Power Co., Ltd.		GS Donghae Electric Power Co., Ltd.		Collateralized money invested			KRW 240,591			Korea Development Bank and others
Korea East-West Power Co., Ltd.		Yeonggwangbaeksu Wind Power Co., Ltd.		Collateralized money invested			KRW 2,843			Kookmin Bank and others
Korea East-West Power Co., Ltd.		Yeonggwang Wind Power Co., Ltd.		Collateralized money invested			KRW 15,304			KDB Capital Corporation and others
Korea East-West Power Co., Ltd.		Daesan Green Energy Co., Ltd.		Collateralized money invested			KRW 17,433			IBK
Korea East-West Power Co., Ltd.		Taebaek Gadeoksan Wind Power Co., Ltd.		Collateralized money invested			KRW 8,508			Samsung Fire & Marine Insurance Co., Ltd. and others
Korea East-West Power Co., Ltd.		PT. Tanjung Power Indonesia		Debt guarantees			USD 46,983			MUFG Bank, Ltd.(MUFG) (formerly, the Bank of Tokyo Mitsubishi UFJ, Ltd.(BTMU)) and others
				Other guarantees			USD 3,150			PT Adaro Indonesia
Korea East-West Power Co., Ltd.		South Jamaica Power Company Limited		Performance guarantees			USD 14,400			Societe Generale
EWP Barbados 1 SRL		South Jamaica Power Company Limited		Guarantees for supplemental funding(*1, 3)			USD 18,350			JCSD Trustee Services Limited and others
Korea Southern Power Co., Ltd.		KNH Solar Co., Ltd.		Collateralized money invested			KRW 2,337			Shinhan Bank and Kyobo
				Performance guarantees and guarantees for supplemental funding(*1)			—			Life Insurance Co., Ltd.
Korea Southern Power Co., Ltd.		Daeryun Power Co., Ltd.		Collateralized money invested			KRW 26,099			Korea Development Bank and others
				Guarantees for supplemental funding and others(*1)			—			Korea Development Bank and others
Korea Southern Power Co., Ltd.		Changjuk Wind Power Co., Ltd.		Collateralized money invested			KRW 8,086			Shinhan Bank
				Guarantees for supplemental funding(*1)			—			Shinhan Bank
Korea Southern Power Co., Ltd.		Daegu Green Power Co., Ltd.		Collateralized money invested			KRW 41,110			Shinhan Bank and others
Korea Southern Power Co., Ltd.		Kelar S.A		Performance guarantees			USD 63,707			KEB Hana Bank, SMBC, Mizuho Bank, MUFG, Natixis
Korea Southern Power Co., Ltd.		Daehan Wind Power PSC		Debt guarantees			USD 18,200			Shinhan Bank
				Performance guarantees			USD 3,000			Shinhan Bank
				Guarantees for supplemental funding(*1)			—			Shinhan Bank
Korea Southern Power Co., Ltd.		Pyeongchang Wind Power Co., Ltd.		Collateralized money invested			KRW 5,419			Woori Bank and Shinhan Bank and others
				Performance guarantees			—			Woori Bank and Shinhan Bank and others
Korea Southern Power Co., Ltd.		Taebaek Wind Power Co., Ltd.		Guarantees for supplemental funding(*1)			—			Shinhan Bank and others
Korea Southern Power Co., Ltd.		Jeongam Wind Power Co., Ltd.		Collateralized money invested			KRW 4,589			IBK, SK Securities Co., Ltd. and others
				Performance guarantees			—			IBK, SK Securities Co., Ltd. and others
Korea Southern Power Co., Ltd.		Samcheok Eco Materials Co., Ltd.		Payment guarantees(*4)			—			SEM Investment Co., Ltd.
Korea Midland Power Co., Ltd.		Hyundai Green Power Co., Ltd.		Collateralized money invested			KRW 127,160			Korea Development Bank and others
Korea Midland Power Co., Ltd.		PT. Cirebon Electric Power		Debt guarantees			USD 11,825			Mizuho Bank
Korea Midland Power Co., Ltd.		PT Wampu Electric Power		Debt guarantees			USD 4,854			SMBC
Korea Midland Power Co., Ltd.		YaksuESS Co., Ltd		Collateralized money invested			KRW 460			Hanwha Life Insurance Co., Ltd.
				Guarantees for supplemental funding(*1)			—			Hanwha Life Insurance Co., Ltd.
Korea Midland Power Co., Ltd.		YeongGwang Yaksu Wind Electric. Co., Ltd		Collateralized money invested			KRW 533			Hanwha Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd.		Hyundai Energy Co., Ltd.		Collateralized money invested(*5)			—			Korea Development Bank and others
				Guarantees for supplemental funding and others(*1,6)			KRW 78,600			Korea Development Bank and others
Korea South-East Power Co., Ltd.		RES Technology AD		Collateralized money invested			KRW 15,209			UniCredit Bulbank and others
Korea South-East Power Co., Ltd.		ASM-BG Investicii AD		Collateralized money invested			KRW 21,379			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.		S-Power Co., Ltd.		Collateralized money invested			KRW 114,566			Korea Development Bank and others
Korea South-East Power Co., Ltd.		Goseong Green Energy Co., Ltd.		Collateralized money invested			KRW 2,459			Kyobo Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd.		Gangneung Eco Power Co., Ltd.		Collateralized money invested			KRW 2,495			Kyobo Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd.		PND solar., Ltd.		Collateralized money invested			KRW 1,020			IBK and others
Korea South-East Power Co., Ltd.		Tamra Offshore Wind Power Co., Ltd.		Collateralized money invested			KRW 10,401			Nonghyup Life Insurance Co., Ltd. and others
Korea South-East Power Co., Ltd.		Hyundai Eco Energy Co., Ltd.		Collateralized money invested			KRW 3,388			Samsung Life Insurance and others
Korea Hydro & Nuclear Power Co., Ltd.		Noeul Green Energy Co., Ltd.		Collateralized money invested			KRW 8,016			KEB Hana Bank and others
Korea Hydro & Nuclear Power Co., Ltd.		Busan Green Energy Co., Ltd.		Collateralized money invested			KRW 12,537			Shinhan Bank and others
KEPCO Plant Service & Engineering Co., Ltd.		Incheon New Power Co., Ltd.		Collateralized money invested			KRW 579			Shinhan Bank
				Guarantees for supplemental funding and others(*1)			—			Shinhan Bank

(*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 14,730 thousand and the total amount of guarantees is USD 8,257.5 thousand which consists of USD 3,670 thousand of EWP (Barbados) 1 SRL’s contribution obligation and USD 4,587.5 thousand of South Jamaica Energy Holding Limited’s portion (50%) of contribution obligation.

(*4) The Company has the obligation to purchase the stocks should preferred stockholders elect to sell their stocks on the expected sell date (3 years from preferred stock payment date) and is required to guarantee the promised yield when preferred stockholders sell their stocks. In relation to this guarantee, the Company has recognized ￦2,155 million of derivative liabilities as of December 31, 2018.

(*5) The Company recognized 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 ￦40,898 million as the possibility of economic outflow to fulfill the obligation was 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.

Derivatives transactions with related parties

Derivatives transactions with related parties as of December 31, 2018 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			2016~2019			￦					105,260				USD 100,000				2.48	%			2.38	%		￦					1,052.60
			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
			2018~2023								170,280				USD 150,000				2.15	%			3.75	%							1,135.20
			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
			2018~2023								320,880				USD 300,000				2.03	%			3.75	%							1,069.60
			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
			2018.12.18				2019.01.22								11,279				USD 10,000								1,127.85
			2018.12.13				2019.01.10								4,490				USD 4,000								1,122.60
			2018.12.24				2019.01.10								13,497				USD 12,000								1,124.74
			2018.12.21				2019.01.15								10,103				USD 9,000								1,122.50
			2018.12.27				2019.01.23								11,207				USD 10,000								1,120.68
			2018.12.28				2019.01.23								13,412				USD 12,000								1,117.64

Salaries and other compensations to the key members of management of the Company

Salaries and other compensations to the key members of management of the Company for the years ended December 31, 2016, 2017 and 2018 are as follows:

Type						2016				2017				2018
						In millions of won
Salaries		￦					1,463				1,271				1,106
Employee benefits							33				54				24
		￦					1,496				1,325				1,130

X

- References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_BorrowingsArisingFromRelatedPartyTransactionsExplanatory
Namespace Prefix:	kep_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_DerivativesTransactionsWithRelatedPartiesExplanatory
Namespace Prefix:	kep_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_GuaranteesProvidedToAssociatesOrJointVenturesExplanatory
Namespace Prefix:	kep_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_LoansAndOthersArisingFromRelatedPartyTransactionsExplanatory
Namespace Prefix:	kep_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_ReceivablesAndPayablesArisingFromRelatedPartyTransactionsExplanatory
Namespace Prefix:	kep_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_SalariesAndOtherCompensationsToTheKeyMembersOfManagementOfTheCompanyExplanatory
Namespace Prefix:	kep_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

+ Details

Name:	us-gaap_RelatedPartyTransactionsDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration