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Commitments for Expenditure | 12 Months Ended
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Dec. 31, 2023
Commitments for Expenditure [Abstract] |
Commitments for Expenditure |
49. | Commitments for Expenditure
(1) | The commitments related to acquisition of property, plant and equipment as of December 31, 2022 and 2023 are as follows:
|  |  |  |  | 2022 |  |  | 2023 |
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) |  | ￦ |  |  |  |  | 57,203 |  |  |  | 12,595 |  |  |  | 57,226 |  |  |  | 417 |
Purchase of cable (PVC, 1C, 2500SQ) 103,374M and others (Bukdangjin-Shin-Tangjung) |  |  |  |  |  |  | 50,151 |  |  |  | 37,638 |  |  |  | 51,796 |  |  |  | 20,661 |
Purchase of GIS (362kV, 6300A, 63kA) 23CB – Youngseo S/S |  |  |  |  |  |  | 37,168 |  |  |  | 16,788 |  |  |  | 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) |  |  |  |  |  |  | 58,269 |  |  |  | 3,883 |  |  |  | 58,271 |  |  |  | 746 |
Purchase of GIS (362kV, 6300A, 63kA) 25CB – Migeum S/S |  |  |  |  |  |  | 33,841 |  |  |  | 25,641 |  |  |  | 35,136 |  |  |  | 20,370 |
Purchase of cable (PVC, 1C, 2000SQ) 5,862M and others (Baekun-Gwangyanghang) |  |  |  |  |  |  | 35,949 |  |  |  | 3,232 |  |  |  | 35,016 |  |  |  | 703 |
Concrete pole (10M, general purpose, 350KGF) 126,948 ea and five other equipments (unit price contract) |  |  |  |  |  |  | 202,795 |  |  |  | 95,428 |  |  |  | — |  |  |  | — |
Purchase of GIS (362KV, 6300A, 63KA) Type 19 – Shinyangsan S/S |  |  |  |  |  |  | 31,834 |  |  |  | 17,334 |  |  |  | 32,460 |  |  |  | 5,635 |
Purchase of cable (PVC, 1C, 2500SQ) 57,868M and others (Goduk-Seoansung) |  |  |  |  |  |  | 40,937 |  |  |  | 3,748 |  |  |  | 40,937 |  |  |  | 654 |
Purchase of cable (PVC, 1C, 2000SQ) 87,732M and others (Eulwangboonki) |  |  |  |  |  |  | 36,155 |  |  |  | 10,274 |  |  |  | 36,446 |  |  |  | 1,015 |
Purchase of GIS(362KV,6300A,63KA) Type 18 – Wolsung S/Y |  |  |  |  |  |  | 32,090 |  |  |  | 32,090 |  |  |  | 32,090 |  |  |  | 26,742 |
Purchase of cable (FR CNCO-W,1C,325SQ) 672,300M (unit price contract) |  |  |  |  |  |  | 31,387 |  |  |  | 19,213 |  |  |  | — |  |  |  | — |
Purchase of cable (TR CNCE-W,1C,325SQ) 1,342,000M (unit price contract) |  |  |  |  |  |  | 75,620 |  |  |  | 40,497 |  |  |  | — |  |  |  | — |
Purchase of cable (TR CNCE-W,1C,600SQ) 377,000M (unit price contract) |  |  |  |  |  |  | 31,851 |  |  |  | 17,478 |  |  |  | — |  |  |  | — |
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 2,175,300M (unit price contract) |  |  |  |  |  |  | 53,064 |  |  |  | 29,436 |  |  |  | — |  |  |  | — |
System stabilization ESS equipment (Bubuk S/S) Type 1 |  |  |  |  |  |  | 222,300 |  |  |  | 222,300 |  |  |  | 222,300 |  |  |  | 145,014 |
System stabilization ESS equipment (Shinnamwon S/S) Type 1 |  |  |  |  |  |  | 211,500 |  |  |  | 211,500 |  |  |  | 211,500 |  |  |  | 130,169 |
System stabilization ESS equipment (Yeongcheon S/S) Type 1 |  |  |  |  |  |  | 73,104 |  |  |  | 73,104 |  |  |  | 73,104 |  |  |  | 18,604 |
Concrete pole (10M, general purpose, 500KGF) 111,000 ea and four other equipments |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 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 |
System stabilization ESS equipment (Hamyang S/S) Type 1 |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 35,609 |  |  |  | 12,870 |
Construction of Saeul Units (#3,4) |  |  |  |  |  |  | 9,800,424 |  |  |  | 2,455,673 |  |  |  | 9,800,424 |  |  |  | 1,113,349 |
Construction of Shin-Hanul Units (#1,2)(*) |  |  |  |  |  |  | 10,327,372 |  |  |  | 97,889 |  |  |  | 10,592,760 |  |  |  | — |
Construction of Shin-Hanul Units (#3,4) |  |  |  |  |  |  | 11,007,232 |  |  |  | 10,858,828 |  |  |  | 11,680,361 |  |  |  | 10,935,737 |
Other 30 contracts |  |  |  |  |  |  | 853,941 |  |  |  | 425,149 |  |  |  | 1,631,574 |  |  |  | 1,133,467 |
Purchase of main machine for Jeju LNG combined |  |  |  |  |  |  | 166,287 |  |  |  | 10,898 |  |  |  | 166,287 |  |  |  | — |
Purchase of equipments for the construction project of Boryeong indoor coal storage yard |  |  |  |  |  |  | 318,197 |  |  |  | 287,965 |  |  |  | 334,932 |  |  |  | 279,920 |
Purchase of main machine for Boryeong New Complex Unit 1 |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 281,600 |  |  |  | 228,053 |
Boryeong New Complex Unit 1 Construction Project |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 186,358 |  |  |  | 186,358 |
Service of designing Taean Units (#9,10) |  |  |  |  |  |  | 112,909 |  |  |  | 12,468 |  |  |  | 112,909 |  |  |  | 12,468 |
Purchase of gas turbine and turbine equipment of Gimpo combined heat & power plant |  |  |  |  |  |  | 126,302 |  |  |  | 32,748 |  |  |  | 123,495 |  |  |  | 15,603 |
Purchase of steam turbine, HRSG and POWER BLOCK of Gimpo combined heat & power plant |  |  |  |  |  |  | 221,997 |  |  |  | 38,714 |  |  |  | 220,864 |  |  |  | 214 |
Construction of Gimpo combined heat & power plant |  |  |  |  |  |  | 181,798 |  |  |  | 56,558 |  |  |  | 211,372 |  |  |  | 13,960 |
Purchase of gas turbines, steam turbines, and accessories for Gumi natural gas power plant |  |  |  |  |  |  | 197,983 |  |  |  | 197,983 |  |  |  | 197,983 |  |  |  | 193,578 |
Purchase of heat recovery boiler and accessories for Gumi natural gas power plant |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 65,918 |  |  |  | 45,299 |
|  |  |  |  | 2022 |  |  | 2023 |
Contracts |  |  |  |  | Commitment amounts |  |  | Remaining liability balances |  |  | Commitment amounts |  |  | Remaining liability balances |
|  |  |  |  | In millions of won |
Construction of Gumi natural gas power plant |  | ￦ |  |  |  |  | 204,094 |  |  |  | 204,094 |  |  |  | 210,393 |  |  |  | 173,350 |
Installation of natural gas supply facility at Gumi natural gas power plant |  |  |  |  |  |  | 70,620 |  |  |  | 70,620 |  |  |  | 70,620 |  |  |  | 61,799 |
Purchase of coal handling machine for construction of Samcheok Units (#1,2) |  |  |  |  |  |  | 299,048 |  |  |  | 6,687 |  |  |  | 312,150 |  |  |  | 5,682 |
Purchase of main equipment for Namjeju |  |  |  |  |  |  | 140,144 |  |  |  | 3 |  |  |  | 140,144 |  |  |  | 3 |
Purchase of main equipment for Shin-Sejong combined thermal power plant |  |  |  |  |  |  | 234,392 |  |  |  | 32,621 |  |  |  | 234,392 |  |  |  | 8,342 |
Purchase of Hadong thermal power indoor carboniferous plant |  |  |  |  |  |  | 162,814 |  |  |  | 62,299 |  |  |  | 167,259 |  |  |  | 48,495 |
Purchase of phase 2 power generation facility for Yeongwol fuel cells |  |  |  |  |  |  | 86,100 |  |  |  | 30,527 |  |  |  | 86,350 |  |  |  | 219 |
Purchase of fuel cell power generation facilities for the fifth stage of Shinincheon headquarters |  |  |  |  |  |  | 81,960 |  |  |  | 81,960 |  |  |  | 81,960 |  |  |  | 18,290 |
(*) | As of December 31, 2023, the commitment amounts include the Shin-Hanul Unit #1, construction of which has completed during the year ended December 31, 2022. In addition, as of December 31, 2023, Shin-hanul Unit #2 is in commissioning.
(2) | As of December 31, 2023, details of contracts for inventory purchase commitment are as follows:
The Company imports all of its uranium ore concentrates from sources outside Korea (including the United States, United Kingdom, Kazakhstan, France, Russia, South Africa, Canada and Australia) which are paid for with currencies other than Won, primarily in U.S. dollars. In order to ensure stable supply, the Company entered into long-term and medium-term contracts with various suppliers, and supplements such supplies with purchases of fuels on spot markets. The long-term and medium-term contract periods vary among contractors and the stages of fuel manufacturing process. Contract prices for processing of uranium are generally based on market prices. Contract periods for ore concentrates, conversion, enrichment and design and fabrication are as follows:
Type |  | Periods |  |  | Contracted quantity
Concentrate |  |  | 2023 ~ 2033 |  |  | 21,400 Ton U3O8
Conversion |  |  | 2023 ~ 2030 |  |  | 16,300 Ton U
Enrichment |  |  | 2023 ~ 2032 |  |  | 18,893 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 1,285 Ton U (contract periods : 2014 ~ 202 6 ).

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