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Commitments for Expenditure (Tables) | 12 Months Ended
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Dec. 31, 2022
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, 2021 and 2022 are as follows:
|  |  |  |  | 2021 |  |  | 2022 |
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) |  | ￦ |  |  |  |  | 57,046 |  |  |  | 16,240 |  |  |  | 57,203 |  |  |  | 12,595 |
Purchase of cable (PVC, 1C, 2500SQ) 103,374M and others (Bukdangjin-Shin-Tangjung) |  |  |  |  |  |  | 46,616 |  |  |  | 34,102 |  |  |  | 50,151 |  |  |  | 37,638 |
Purchase of GIS (362kV, 6300A, 63kA) 23CB – Youngseo S/S |  |  |  |  |  |  | 36,143 |  |  |  | 25,292 |  |  |  | 37,168 |  |  |  | 16,788 |
Purchase of GIS (362kV, 6300A, 63kA) 26CB – Hwasung S/S |  |  |  |  |  |  | 40,010 |  |  |  | 5,540 |  |  |  | — |  |  |  | — |
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 |  |  |  |  |  |  | 56,860 |  |  |  | 34,576 |  |  |  | 58,269 |  |  |  | 3,883 |
Purchase of GIS (362kV, 6300A, 63kA) 25CB – Migeum S/S |  |  |  |  |  |  | 32,000 |  |  |  | 26,700 |  |  |  | 33,841 |  |  |  | 25,641 |
Advanced E-Type low-pressure electronic power meter 1,320,000 ea |  |  |  |  |  |  | 65,972 |  |  |  | 23,262 |  |  |  | — |  |  |  | — |
Purchase of cable (PVC, 1C, 2000SQ) 5,862M and others (Baekun-Gwangyanghang) |  |  |  |  |  |  | 34,423 |  |  |  | 23,297 |  |  |  | 35,949 |  |  |  | 3,232 |
Purchase of cable (TR CNCE-W,1C,325SQ) 1,016,000M |  |  |  |  |  |  | 66,581 |  |  |  | 40,254 |  |  |  | — |  |  |  | — |
Purchase of cable (TR CNCE-W,1C,600SQ) 485,000M |  |  |  |  |  |  | 46,194 |  |  |  | 37,810 |  |  |  | — |  |  |  | — |
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 3,303,900M |  |  |  |  |  |  | 87,382 |  |  |  | 83,628 |  |  |  | — |  |  |  | — |
Concrete pole (10M, general purpose, 350KGF) 126,948 ea and five other equipments |  |  |  |  |  |  | 188,338 |  |  |  | 168,456 |  |  |  | 202,795 |  |  |  | 95,428 |
Purchase of GIS (362KV, 6300A, 63KA) 19 – Shinyangsan S/S |  |  |  |  |  |  | 31,464 |  |  |  | 31,464 |  |  |  | 31,834 |  |  |  | 17,334 |
Purchase of cable (PVC, 1C, 2500SQ) 57,868M and others (Goduk-Seoansung) |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 40,937 |  |  |  | 3,748 |
Purchase of cable (PVC, 1C, 2000SQ) 87,732M and others (Eulwangboonki) |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 36,155 |  |  |  | 10,274 |
GIS(362KV,6300A,63KA) 18 – Wolsung S/Y |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 32,090 |  |  |  | 32,090 |
Purchase of cable (FR CNCO-W,1C,325SQ) 672,300M |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 31,387 |  |  |  | 19,213 |
Purchase of cable (TR CNCE-W,1C,325SQ) 1,342,000M |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 75,620 |  |  |  | 40,497 |
Purchase of cable (TR CNCE-W,1C,600SQ) 377,000M |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 31,851 |  |  |  | 17,478 |
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 2,175,300M |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 53,064 |  |  |  | 29,436 |
System stabilization ESS equipment (Bubuk S/S) 1 Type |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 222,300 |  |  |  | 222,300 |
System stabilization ESS equipment (Shinnamwon S/S) Type 1 |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 211,500 |  |  |  | 211,500 |
System stabilization ESS equipment (Yeongcheon S/S) Type 1 |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 73,104 |  |  |  | 73,104 |
Construction of Saeul Units (#3,4) |  |  |  |  |  |  | 9,800,424 |  |  |  | 3,479,667 |  |  |  | 9,800,424 |  |  |  | 2,455,673 |
Construction of Shin-Hanul Units (#1,2) |  |  |  |  |  |  | 9,745,123 |  |  |  | — |  |  |  | 10,327,372 |  |  |  | 97,889 |
Other 36 contracts |  |  |  |  |  |  | 792,485 |  |  |  | 620,593 |  |  |  | 853,941 |  |  |  | 425,149 |
Service of designing Seoul Combined Units (#1,2) |  |  |  |  |  |  | 31,841 |  |  |  | 934 |  |  |  | 31,148 |  |  |  | — |
Purchase of furnace for construction of Shin-Seocheon thermal power plant |  |  |  |  |  |  | 305,209 |  |  |  | 7,722 |  |  |  | 305,209 |  |  |  | 5,132 |
Purchase of turbine generator for construction of Shin-Seocheon thermal power plant |  |  |  |  |  |  | 105,226 |  |  |  | 6,301 |  |  |  | 107,333 |  |  |  | 6,214 |
Purchase of main machine for Jeju LNG combined |  |  |  |  |  |  | 166,287 |  |  |  | 10,972 |  |  |  | 166,287 |  |  |  | 10,898 |
Purchase of equipments for the construction project of Boryeong indoor coal storage yard |  |  |  |  |  |  | 317,350 |  |  |  | 317,350 |  |  |  | 318,197 |  |  |  | 287,965 |
Service of designing Taean Units (#9,10) |  |  |  |  |  |  | 112,909 |  |  |  | 12,623 |  |  |  | 112,909 |  |  |  | 12,468 |
Purchase of gas turbine and turbine equipment of Gimpo combined heat & power plant |  |  |  |  |  |  | 126,302 |  |  |  | 61,735 |  |  |  | 126,302 |  |  |  | 32,748 |
Purchase of steam turbine, HRSG and POWER BLOCK of Gimpo combined heat & power plant |  |  |  |  |  |  | 214,053 |  |  |  | 138,244 |  |  |  | 221,997 |  |  |  | 38,714 |
Construction of Gimpo combined heat & power plant |  |  |  |  |  |  | 130,015 |  |  |  | 86,323 |  |  |  | 181,798 |  |  |  | 56,558 |
Purchase of gas turbines, steam turbines, and accessories for Gumi natural gas power plant |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 197,983 |  |  |  | 197,983 |
Construction of Gumi natural gas power plant |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 204,094 |  |  |  | 204,094 |
Installation of natural gas supply facility at Gumi natural gas power plant |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 70,620 |  |  |  | 70,620 |
Purchase of coal handling machine for construction of Samcheok Units (#1,2) |  |  |  |  |  |  | 286,571 |  |  |  | 6,215 |  |  |  | 299,048 |  |  |  | 6,687 |
|  |  |  |  | 2021 |  |  | 2022 |
Contracts |  |  |  |  | Commitment amounts |  |  | Remaining liability balances |  |  | Commitment amounts |  |  | Remaining liability balances |
|  |  |  |  | In millions of won |
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 |  |  |  | 200,122 |  |  |  | 234,392 |  |  |  | 32,472 |
Purchase of Hadong thermal power indoor carboniferous plant |  |  |  |  |  |  | 148,800 |  |  |  | 129,042 |  |  |  | 162,814 |  |  |  | 105,504 |
Purchase of phase 1 power generation facility for Yeongwol fuel cells |  |  |  |  |  |  | 88,449 |  |  |  | 1,523 |  |  |  | — |  |  |  | — |
Purchase of phase 2 power generation facility for Yeongwol fuel cells |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 86,100 |  |  |  | 30,527 |
Purchase of fuel cell power generation facilities for the fifth stage of Shinincheon headquarters |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 81,960 |  |  |  | 81,960 |
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 |  |  | 2022 ~ 2033 |  |  | 26,310 Ton U3O8
Transformed |  |  | 2022 ~ 2030 |  |  | 19,012 Ton U
Enrichment |  |  | 2022 ~ 2032 |  |  | 21,434 Ton SWU

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