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Intangible Assets other than Goodwill (Tables)

12 Months Ended

Dec. 31, 2019

Intangible Assets other than Goodwill [Abstract]

Intangible Assets other than Goodwill

Intangible assets as of December 31, 2018 and 2019 are as follows:

						2018
						Acquisition cost				Government grants				Accumulated amortization				Accumulated impairment losses				Book value
						In millions of won
Software		￦					619,662				(420	)			(461,981	)			—				157,261
Licenses and franchises							3,398				—				(3,398	)			—				—
Copyrights, patents rights and other industrial rights							97,033				—				(29,921	)			—				67,112
Mining rights							561,945				—				(27,421	)			—				534,524
Development expenditures							878,462				(2,110	)			(785,976	)			—				90,376
Intangible assets under development							83,381				(10,564	)			—				(12,845	)			59,972
Usage rights of donated assets and other							459,682				—				(372,671	)			—				87,011
Leasehold rights							25,482				—				(19,930	)			—				5,552
Greenhouse gas emissions rights							7,050				—				—				—				7,050
Others							333,621				—				(104,486	)			(12,051	)			217,084
		￦					3,069,716				(13,094	)			(1,805,784	)			(24,896	)			1,225,942

						2019
						Acquisition cost				Government grants				Accumulated amortization				Accumulated impairment losses				Book value
						In millions of won
Software		￦					707,731				(235	)			(542,736	)			—				164,760
Licenses and franchises							3,398				—				(3,398	)			—				—
Copyrights, patents rights and other industrial rights							102,828				—				(40,389	)			(9,178	)			53,261
Mining rights							584,969				—				(28,456	)			(512,790	)			43,723
Development expenditures							916,834				(1,492	)			(822,972	)			(19	)			92,351
Intangible assets under development							73,335				(11,029	)			—				(12,845	)			49,461
Usage rights of donated assets and other							582,825				—				(389,664	)			—				193,161
Leasehold rights							25,989				—				(20,671	)			—				5,318
Greenhouse gas emissions rights							41,656				—				—				—				41,656
Others							557,749				(79	)			(119,446	)			(11,939	)			426,285
		￦					3,597,314				(12,835	)			(1,967,732	)			(546,771	)			1,069,976

Changes in intangible assets

Changes in intangible assets for the years ended December 31, 2018 and 2019 are as follows:

						2018
						Beginning balance				Acquisition				Disposal				Amortization				Impairment(*)				Others				Ending balance
						In millions of won
Software		￦					125,891				10,861				(1	)			(53,755	)			—				74,685				157,681
(Government grants)							(486	)			—				—				254				—				(188	)			(420	)
Copyrights, patents rights and other industrial rights							23,981				28				—				(8,665	)			(13	)			51,781				67,112
Mining rights							539,633				29,687				—				(3,186	)			—				(31,610	)			534,524
Development expenditures							84,518				823				—				(27,100	)			—				34,245				92,486
(Government grants)							(3,702	)			—				—				1,591				—				1				(2,110	)
Intangible assets under development							139,910				67,383				—				—				(8,912	)			(127,845	)			70,536
(Government grants)							(10,540	)			—				—				—				799				(823	)			(10,564	)
Usage rights of donated assets and other							101,658				—				—				(13,307	)			—				(1,340	)			87,011
(Government grants)							(11	)			—				—				11				—				—				—
Leasehold rights							5,044				—				—				(667	)			—				1,175				5,552
Greenhouse gas emissions rights							—				—				—				—				—				7,050				7,050
Others							181,225				1,805				(8	)			(14,114	)			(14	)			48,190				217,084
(Government grants)							—				—				—				—				—				—				—
		￦					1,187,121				110,587				(9	)			(118,938	)			(8,140	)			55,321				1,225,942

(*) Includes ￦8,104 million of impairment loss on the intangible assets under development in relation to the technology development of heat transfer tube owned by KEPCO Nuclear Fuel Co., Ltd., 96.36% owned subsidiary.

						2019
						Beginning balance				Acquisition				Disposal				Amortization				Impairment(*1)				Others(*2)				Ending balance
						In millions of won
Software		￦					157,681				42,694				(774	)			(81,883	)			—				47,277				164,995
(Government grants)							(420	)			—				—				202				—				(17	)			(235	)
Copyrights, patents rights and other industrial rights							67,112				171				(325	)			(9,196	)			—				(4,501	)			53,261
Mining rights							534,524				8,742				—				(7,186	)			(513,519	)			21,162				43,723
Development expenditures							92,486				687				—				(28,901	)			(68	)			29,639				93,843
(Government grants)							(2,110	)			—				—				833				—				(215	)			(1,492	)
Intangible assets under development							70,536				56,082				—				—				—				(66,128	)			60,490
(Government grants)							(10,564	)			—				—				—				—				(465	)			(11,029	)
Usage rights of donated assets and other							87,011				—				—				(15,632	)			—				121,782				193,161
(Government grants)							—				—				—				—				—				—				—
Leasehold rights							5,552				—				—				(741	)			—				507				5,318
Greenhouse gas emissions rights							7,050				118,743				(7,058	)			—				—				(77,079	)			41,656
Others							217,084				2,307				(164	)			(14,413	)			(22	)			221,572				426,364
(Government grants)							—				—				—				2				—				(81	)			(79	)
		￦					1,225,942				229,426				(8,321	)			(156,915	)			(513,609	)			293,453				1,069,976

(*1) KEPCO Australia Pty., Ltd. and KEPCO Bylong Australia Pty., Ltd., 100% owned subsidiaries, performed an impairment test over the mining rights and the Company recognized the amount of the carrying amount in excess of its recoverable amount as an impairment loss.

(*2) ‘Others’ include the business rights amounting to ￦172,434 million increased from the business combination between Korea East-West Power Co., Ltd. and Eumseong Natural Gas Power Co., Ltd. (see note 51)

Significant specific intangible assets

Significant specific intangible assets as of December 31, 2018 and 2019 are as follows:

2018
Type		Description		Currency		Amount				Remaining useful lives
		In millions of won and thousands of Australian dollars
Software		ERP system and others		KRW			783			2 years and 2 months ~ 2 years and 4 months
		Electricity sales information system		KRW			6,477			4 years
Copyrights, patents rights and other industrial rights		Smart technology verification and standard design project conducting right		KRW			9,256			3 years and 9 months
		Contributions to ARP NRC DC		KRW			46,594			9 years
Mining rights		Mining right of Bylong mine		AUD			401,225			—  (*)
Development expenditures		Electricity sales information system		KRW			22,337			3 years and 3 months
Usage rights of donated assets and others		Sejong Haengbogdosi sharing charge Dangjin power plant load facility usage right		KRW KRW			35,923 14,167			7 years and 11 months 2 years and 3 months
Others		Occupancy and use of public waters		KRW			97,858			18 years and 1 month

(*) Mining rights are amortized using the units-of-production method and the amortization has not commenced yet.

2019
Type		Description		Currency		Amount				Remaining useful lives
		In millions of won and thousands of Australian dollars
Software		ERP system and others		KRW			432			1 year and 2 months ~ 1 year and 4 months
		Electricity sales information system		KRW			4,824			3 years
Copyrights, patents rights and other industrial rights		Smart technology verification and standard design project conducting right		KRW			6,787			2 years and 9 months
		Contributions to ARP NRC DC		KRW			34,755			8 years
Mining rights		Mining right of Bylong mine		AUD			—			—  (*)
Development expenditures		Electricity sales information system		KRW			15,283			2 years and 3 months
Usage rights of donated assets and others		Sejong Haengbogdosi sharing charge Dangjin power plant load facility usage right		KRW KRW			31,385 7,870			6 years and 11 months 1 year and 3 months
Others		Occupancy and use of public waters		KRW			92,446			17 years and 1 month
		Business rights		KRW			171,955			29 years and 11 months

(*) The carrying amount of mining right does not exist, because KEPCO Australia Pty., Ltd. and KEPCO Bylong Australia Pty., Ltd. recognized impairment losses in full during the year ended December 31, 2019.

Recognized research and development expenses

For the years ended December 31, 2017, 2018 and 2019, the Company recognized research and development expenses of ￦721,437 million, ￦723,888 million and ￦735,715 million, respectively.

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