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Commitments for Expenditure

12 Months Ended

Dec. 31, 2024

Commitments for Expenditure [Abstract]

49.	Commitments for Expenditure

(1)	The commitments related to acquisition of property, plant and equipment as of December 31, 2023 and 2024 are as follows:


		2023				2024
Contracts		Commitment amounts		Remaining liability balances		Commitment amounts		Remaining liability balances
		In millions of won
Purchase of cable (PVC, 1C, 2000SQ) 153,000M and others (Shin-Bupyung-Youngseo)	￦		57,226		417		57,226		417
Purchase of cable (PVC, 1C, 2500SQ) 103,374M and others (Bukdangjin-Shin-Tangjung)			51,796		20,661		—		—
Purchase of GIS (362kV, 6300A, 63kA) 23CB – Youngseo S/S			37,168		15,109		37,168		15,109
Purchase of GIS (362kV, 6300A, 63kA) 27CB – Kwangyang S/S			37,744		140		37,744		140
Purchase of cable (PVC, 1C, 2500SQ) 100,548M and others (Kyungin Construction)			58,271		746		58,271		746
Purchase of GIS (362kV, 6300A, 63kA) 25CB – Migeum S/S			35,136		20,370		35,282		13,476
Purchase of cable (PVC, 1C, 2000SQ) 5,862M and others (Baekun-Gwangyanghang)			35,016		703		35,016		703
Purchase of GIS (362kV, 6300A, 63kA) Type 19 – Shinyangsan S/S			32,460		5,635		—		—
Purchase of cable (PVC, 1C, 2500SQ) 57,868M and others (Goduk-Seoansung)			40,937		654		40,937		654
Purchase of cable (PVC, 1C, 2000SQ) 87,732M and others (Eulwangboonki)			36,446		1,015		36,446		1,015
Purchase of GIS (362kV,6300A,63kA) Type 18 – Wolsung S/Y			32,090		26,742		33,057		16,045
System stabilization ESS equipment (Bubuk S/S) Type 1			222,300		145,014		221,939		42,137
System stabilization ESS equipment (Shinnamwon S/S) Type 1			211,500		130,169		—		—


		2023				2024
Contracts		Commitment amounts		Remaining liability balances		Commitment amounts		Remaining liability balances
		In millions of won

System stabilization ESS equipment (Yeongcheon S/S) Type 1	￦		73,104		18,604		72,779		16,975
Concrete pole (10M, general purpose, 500KGF) 111,000 ea and four other equipment			67,996		39,971		—		—
Advanced EType low voltage electronic watt-hour meter 1,311,552 ea			36,103		—		—		—
System stabilization ESS equipment (Yesan S/S) Type 1			56,403		12,095		56,174		11,471
System stabilization ESS equipment (Hamyang S/S) Type 1			35,609		12,870		35,764		11,468
Concrete pole (10M, general purpose, 500KGF) 90,000 ea and four other equipment			—		—		59,473		36,464
Purchase of cable (PVC, 1C, 2500SQ) 53,856M and others (Shinchungjuboonki)			—		—		31,925		7,756
Purchase of GIS (362kV, 6300A, 63kA) Type 31 – East Seoul S/S			—		—		39,060		39,060
Purchase of cable (PVC, 1C, 2000SQ) 68,613M and others (Dongducheon-Yangju)			—		—		40,933		28,790
Purchase of HVDC cable (PE, 2500SQ) 31,551M and others			—		—		40,323		40,323
Purchase of HVDC cable (PE, 2500SQ) 30,883M and others			—		—		40,130		40,130
Stationary reactive power compensation device (Phase 3, ±500MVAR) – Shin Jecheon S/S			—		—		39,300		39,300
Stationary reactive power compensation device (STATCOM, phase 3, ±500MVAR) – East coast #1C/S			—		—		37,600		37,600
AMIGO, 1P2W, 60(5)A, Electronic, Class 1.0, 220V, 1,031,728 EA – Annual Unit Price			—		—		43,054		38,404
Stationary reactive power compensation device (STATCOM/Phase 3, ±500MVAR) – Shin Gapyeong S/S			—		—		40,590		40,590
Stationary reactive power compensation device (STATCOM/Phase 3, ±500MVAR) – Shin Namwon S/S			—		—		37,100		37,100
Construction of Saeul Units (#3,4)			9,800,424		1,113,349		11,718,217		1,748,342
Construction of Shin-Hanul Units (#1,2) (*)			10,592,760		—		10,765,241		—
Construction of Shin-Hanul Units (#3,4)			11,680,361		10,935,737		12,343,245		10,964,638
Other 40 contracts			1,631,574		1,133,467		2,033,913		1,744,217
Purchase of main equipment for Jeju LNG Combined			166,287		—		—		—
Purchase of equipment for the construction project of Boryeong indoor coal storage yard			334,932		279,920		357,479		241,751
Purchase of main machine for Boryeong New Complex Unit 1			281,600		228,053		286,299		177,988
Boryeong New Complex Unit 1 Construction Project			186,358		186,358		202,552		161,753
Haman Combined Power Block Conditional Purchase Agreement			—		—		581,790		543,509
Service of designing Taean Units (#9,10)			112,909		12,468		—		—
Purchase of gas turbine and turbine equipment of Gimpo combined heat & power plant			123,495		15,603		123,495		15,603
Purchase of steam turbine, HRSG and POWER BLOCK of Gimpo combined heat & power plant			220,864		214		220,864		101
Construction of Gimpo combined heat & power plant			211,372		13,960		223,660		8,795
Purchase of gas turbines, steam turbines, and accessories for Gumi natural gas power plant			197,983		193,578		198,029		29,417
Purchase of heat recovery boiler and accessories for Gumi natural gas power plant			65,918		45,299		65,918		12,574
Construction of Gumi natural gas power plant			210,393		173,350		246,110		96,708
Installation of natural gas supply facility at Gumi natural gas power plant			70,620		61,799		83,801		45,019
Construction of Gongju natural gas power plant			—		—		203,849		190,840


	2023				2024
Contracts	Commitment amounts		Remaining liability balances		Commitment amounts		Remaining liability balances
	In millions of won
Purchase of natural gas main machine and accessories at Gongju natural gas power plant		—		—		305,829		273,338
Purchase of coal handling machine for construction of Samcheok Units (#1,2)		312,150		5,682		326,395		5,905
Purchase of main equipment for Namjeju		140,144		3		140,144		—
Purchase of main equipment for Shin-Sejong combined thermal power plant		234,392		8,342		234,392		2,670
Purchase of Hadong thermal power indoor carboniferous plant		167,259		48,495		167,259		—
Purchase of phase 2 power generation facility for Yeongwol fuel cells		86,350		219		88,428		—
Purchase of fuel cell power generation facilities for the fifth stage of Shinincheon headquarters		81,960		18,290		82,395		—
Purchase of Samcheok hydrogen compound co-firing facility infrastructure		—		—		128,820		90,876
Construction of Andong Combined Unit 2 Power Plant		—		—		181,593		175,029
Purchase of main equipment for Andong Combined Unit 2		—		—		279,773		230,694
Service of designing Hadong Combined Unit 1		—		—		31,593		26,351

(*)	As of December 31, 2024, the commitment amounts include the value of Shin-Hanul Unit #1, construction of which was completed during the year ended December 31, 2022. In addition, Shin-Hanul Unit #2 is in commercial operation as of December 31, 2024.

(2)	As of December 31, 2024, details of contracts for inventory purchase commitment are as follows:


Type	Periods		Contracted quantity
Concentrate		2024 ~ 2033	22,282 Ton U3O8
Conversion		2024 ~ 2030	14,391 Ton U
Enrichment		2024 ~ 2035	26,943 Ton SWU

In addition, the contracted quantity of the molded uranium between Korea Hydro & Nuclear Power Co., Ltd. and KEPCO Nuclear Fuel Co., Ltd., which are subsidiaries of the Company, is 817 Ton U (contract periods: 2023 ~ 2031).