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Commitments for Expenditure (Tables) | 12 Months Ended
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Dec. 31, 2021
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, 2020 and 2021 are as follows:
|  |  |  |  | 2020 |  |  | 2021 |
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) |  | ￦ |  |  |  |  | 56,574 |  |  |  | 16,038 |  |  |  | 57,046 |  |  |  | 16,240 |
Purchase of cable (PVC, 1C, 2500SQ) 103,374M and others (Bukdangjin-Shin-Tangjung) |  |  |  |  |  |  | 45,390 |  |  |  | 32,876 |  |  |  | 46,616 |  |  |  | 34,102 |
Purchase of GIS (362kV, 6300A, 63kA) 23CB – Youngseo S/S |  |  |  |  |  |  | 36,143 |  |  |  | 29,898 |  |  |  | 36,143 |  |  |  | 25,292 |
Purchase of GIS (362kV, 6300A, 63kA) 26CB – Hwasung S/S |  |  |  |  |  |  | 40,010 |  |  |  | 8,328 |  |  |  | 40,010 |  |  |  | 5,540 |
Purchase of GIS (362kV, 6300A, 63kA) 27CB – Kwangyang S/S |  |  |  |  |  |  | 37,744 |  |  |  | 2,244 |  |  |  | 37,744 |  |  |  | 140 |
Purchase of cable (FR CNCO-W, 1C, 325SQ) 1,400,000M |  |  |  |  |  |  | 59,716 |  |  |  | 37,249 |  |  |  | — |  |  |  | — |
Purchase of switch (Eco) 9,360 units |  |  |  |  |  |  | 40,631 |  |  |  | 24,031 |  |  |  | — |  |  |  | — |
Purchase of cable (TR CNCE-W,1C,600SQ) 551,200M |  |  |  |  |  |  | 37,288 |  |  |  | 23,100 |  |  |  | — |  |  |  | — |
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 4,464,000M |  |  |  |  |  |  | 82,622 |  |  |  | 51,130 |  |  |  | — |  |  |  | — |
Purchase of cable (FR CNCO-W,1C,325SQ) 1,092,000M |  |  |  |  |  |  | 42,068 |  |  |  | 35,358 |  |  |  | — |  |  |  | — |
Concrete pole (10M, general purpose, 350KGF) 102,435 ea and five other equipments |  |  |  |  |  |  | 91,889 |  |  |  | 80,904 |  |  |  | — |  |  |  | — |
Purchase of cable (PVC, 1C, 2500SQ) 100,548M and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 56,860 |  |  |  | 34,576 |
Purchase of GIS (362kV, 6300A, 63kA) 25CB – Migeum S/S |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 32,000 |  |  |  | 26,700 |
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 |
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 |
Purchase of GIS (362KV, 6300A, 63KA) 25 – Shinyangsan S/S |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,464 |  |  |  | 31,464 |
Construction of Shin-Kori Units (#5,6) |  |  |  |  |  |  | 8,625,387 |  |  |  | 3,256,117 |  |  |  | 9,800,424 |  |  |  | 3,479,667 |
Construction of Shin-Hanul Units (#1,2) |  |  |  |  |  |  | 9,443,635 |  |  |  | 160,512 |  |  |  | 9,745,123 |  |  |  | — |
Other 30 contracts |  |  |  |  |  |  | 107,586 |  |  |  | 58,466 |  |  |  | 792,485 |  |  |  | 620,593 |
Service of designing Seoul Combined Units (#1,2) |  |  |  |  |  |  | 31,841 |  |  |  | 984 |  |  |  | 31,841 |  |  |  | 934 |
Service of designing Shin-Boryeong Units (#1,2) |  |  |  |  |  |  | 121,163 |  |  |  | 521 |  |  |  | 121,114 |  |  |  | — |
Purchase of furnace for construction of Shin-Seocheon Thermal Power Plant |  |  |  |  |  |  | 305,209 |  |  |  | 29,042 |  |  |  | 305,209 |  |  |  | 7,722 |
Purchase of turbine generator for construction of Shin-Seocheon Thermal Power Plant |  |  |  |  |  |  | 105,226 |  |  |  | 8,279 |  |  |  | 105,226 |  |  |  | 6,301 |
Electricity construction of Shin-Seocheon Thermal Power Plant |  |  |  |  |  |  | 282,234 |  |  |  | 13,524 |  |  |  | 340,356 |  |  |  | — |
Purchase of main machine for Jeju LNG Combined |  |  |  |  |  |  | 166,287 |  |  |  | 11,182 |  |  |  | 166,287 |  |  |  | 10,972 |
Service of designing Taean U nits (#9,10) |  |  |  |  |  |  | 112,813 |  |  |  | 12,933 |  |  |  | 112,909 |  |  |  | 12,623 |
Purchase of gas turbines and turbine equipment of Gimpo Combined Heat & Power Plant |  |  |  |  |  |  | 104,600 |  |  |  | 41,840 |  |  |  | 126,302 |  |  |  | 61,735 |
Purchase of steam turbine, HRSG and Popwer Block of Gimpo Combined Heat & Power Plant |  |  |  |  |  |  | 210,900 |  |  |  | 147,630 |  |  |  | 214,053 |  |  |  | 138,244 |
Construction of Gimpo Combined Heat & Power Plant |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 130,015 |  |  |  | 86,323 |
Purchase of coal handling machine for construction of Samcheok Units (#1,2) |  |  |  |  |  |  | 285,158 |  |  |  | 22,751 |  |  |  | 286,571 |  |  |  | 6,215 |
Purchase of furnace main equipment for construction of Samcheok Units (#1,2) |  |  |  |  |  |  | 1,065,141 |  |  |  | 11,609 |  |  |  | — |  |  |  | — |
Purchase of turbine main equipment for Samcheok U nits (#1,2) |  |  |  |  |  |  | 211,349 |  |  |  | 125 |  |  |  | — |  |  |  | — |
Purchase of main equipment for Namjeju |  |  |  |  |  |  | 140,144 |  |  |  | 112 |  |  |  | 140,144 |  |  |  | 3 |
Purchase of main equipment for Shin-Sejong Combined Thermal Power Plant |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 234,392 |  |  |  | 200,122 |
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 |  |  | 2020 ~ 2030 |  |  | 32,435 Ton U3O8
Transformed |  |  | 2020 ~ 2030 |  |  | 18,088 Ton U
Enrichment |  |  | 2020 ~ 2030 |  |  | 17,667 Ton SWU

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