XML 119 R106.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Commitments for Expenditure (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Commitments for Expenditure [Abstract] |
Summary of Commitments For Acquisition of Property, Plant and Equipment |
(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.
Summary of Commitments For Inventory Purchase | 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

X
- References No definition available. + Details
Name: | kep_CommitmentsForAcquisitionOfPropertyPlantAndEquipmentExplanatory
Namespace Prefix: | kep_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | kep_CommitmentsForInventoryPurchaseExplanatory
Namespace Prefix: | kep_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | kep_DisclosureOfCommitmentsForExpenditureAbstract
Namespace Prefix: | kep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration