XML 48 R33.htm IDEA: XBRL DOCUMENT v3.25.1
Provisions
 12 Months Ended
Dec. 31, 2024
Disclosure of other provisions [abstract]  
Provisions
26.
Provisions
 
(1)
Provisions as of December 31, 2023 and 2024 are as follows:
 
          
2023
    
2024
  
        
Current
    
Non-current
    
Current
    
Non-current
  
                                
          
In millions of won
  
Employment benefits
           
Provisions for employment benefits
    ￦       999,691       —        1,093,625       —   
Litigation
           
Litigation provisions
        5,299       171,719       9,350       479,071  
Decommissioning cost
           
Nuclear plants
        81,684       21,565,203       79,501       23,192,872  
Spent fuel
        940,585       1,985,149       799,384       2,124,361  
Radioactive waste
        67,572       1,840,513       84,485       1,677,306  
PCBs
        —        57,944       —        39,389  
Other recovery provisions
        —        36,082       —        50,407  
Others
           
Power plant regional support program
        130,034       —        130,256       —   
Transmission regional support program (*)
        256,006       —        302,631       —   
Provisions for financial guarantee
        25,534       24,458       26,440       4,484  
Provisions for RPS
        36,074       —        —        —   
Provisions for greenhouse gas emissions obligations
        18,672       —        156,463       —   
Others
        92,974       199,976       111,836       269,144  
    
 
 
    
 
 
    
 
 
    
 
 
  
   ￦       2,654,125       25,881,044       2,793,971       27,837,034  
    
 
 
    
 
 
    
 
 
    
 
 
  
 
  (*)
The Company recognized ￦38,997 million and ￦46,444 million as of December 31, 2023 and 2024, respectively, as a
third-party
reimbursement asset in relation to the provisions on the transmission regional support programs.
 
 
(2)
Changes in provisions for the years ended December 31, 2023 and 2024 are as follows:
 
         
2023
  
         
Beginning
balance
    
Increase in
provision
    
Payment
    
Reversal
    
Others
    
Ending

balance
  
                                           
         
In millions of won
  
Employment benefits
              
Provisions for employment benefits
   ￦       1,045,058       834,102       (877,933 )      (1,536 )      —        999,691  
Litigation
              
Litigation provisions
       181,179       151,189       (67,478 )      (87,872 )      —        177,018  
Decommissioning cost
              
Nuclear plants
       23,035,427       572,379       (62,035 )      (1,898,935 )      51       21,646,887  
Spent fuel
       1,426,918       1,877,827       (379,011 )      —        —        2,925,734  
Radioactive waste
       1,990,007       89,054       (86,823 )      (84,153 )      —        1,908,085  
PCBs
       88,359       1,699       (17,100 )      (15,014 )      —        57,944  
Other recovery provisions
       32,770       1,319       (432 )      —        2,425       36,082  
Others
              
Power plant regional support program
       144,504       51,814       (66,284 )      —        —        130,034  
Transmission regional support program
       239,235       177,520       (160,749 )      —        —        256,006  
Provisions for financial guarantee
       67,240       10,215       (25,174 )      (2,251 )      (38 )      49,992  
Provisions for RPS
       24,339       620,855       (609,120 )      —        —        36,074  
Provisions for greenhouse gas emissions obligations
       298,876       77,207       (298,859 )      (58,552 )      —        18,672  
Others
       217,781       181,756       (101,601 )      (3,816)       (1,170 )      292,950  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
  ￦       28,791,693       4,646,936       (2,752,599 )      (2,152,129 )      1,268       28,535,169  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
         
2024
  
         
Beginning
balance
    
Increase in
provision
    
Payment
    
Reversal
    
Others
    
Ending

balance
  
                                           
         
In millions of won
  
Employment benefits
              
Provisions for employment benefits
   ￦       999,691       1,226,957       (1,127,746 )      (5,379 )      102       1,093,625  
Litigation
              
Litigation provisions
       177,018       373,328       (26,040 )      (35,885 )      —        488,421  
Decommissioning cost
              
Nuclear plants
    
 
21,646,887
 
     1,692,508       (66,971 )      —        (51 )      23,272,373  
Spent fuel
    
 
2,925,734
 
     842,753       (463,388 )      (381,354 )      —        2,923,745  
Radioactive waste
    
 
1,908,085
 
     113,342       (56,907 )      (202,729 )      —        1,761,791  
PCBs
    
 
57,944
 
     7,049       (25,604 )      —        —        39,389  
Other recovery provisions
    
 
36,082
 
     4,479       (879 )   
 
— 
 
     10,725       50,407  
Others
              
Power plant regional support program
    
 
130,034
 
     55,761       (55,539 )   
 
— 
 
     —        130,256  
Transmission regional support program
    
 
256,006
 
     202,882       (156,257 )   
 
— 
 
     —        302,631  
Provisions for financial guarantee
    
 
49,992
 
     11,347       (25,723 )   
 
(5,086
) 
     394       30,924  
Provisions for RPS
    
 
36,074
 
     891,143       (862,039 )   
 
(65,178
) 
     —        —   
Provisions for greenhouse gas emissions obligations
       18,672       164,438       (17,659 )      (5,611 )      (3,377 )      156,463  
Others
       292,950       294,954       (126,693 )      (2,441 )      (77,790 )      380,980  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
  ￦       28,535,169       5,880,941       (3,011,445 )      (703,663 )      (69,997 )      30,631,005  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
 
 
 
(3)
Greenhouse gas emissions rights and obligations:
 
  (i)
Allowances received free of charge from the government for each planned period as of December 31, 2024 are as follows:
 
    
3rd planned period
  
    
2021
     
2022
     
2023
     
2024
     
2025
     
Total
  
                                           
    
In ten thousands of
tons(tCO2-eq)
  
Allowances received free of charge from the government
      15,362        14,495        14,729        12,103        12,103        68,792  

 
(ii)
Changes in greenhouse gas emissions rights for each of the two years in the period ended December 31, 2024 are as follows:
 
 
 
3rd commitment period
 
 
 
2022
 
 
2023
 
 
2024
 
 
2025
 
 
Total
 
 
 
Quantity
 
 
Amount
 
 
Quantity
 
 
Amount
 
 
Quantity
 
 
Amount
 
 
Quantity
 
 
Amount
 
 
Quantity
 
 
Amount
 
 
 
 
 
 
 
 
 
In ten thousands of
tons(tCO2-eq),
millions of won
 
Beginning (*)
 
 
14,704
 
 
 
192,005
 
 
 
14,204
 
 
 
18,785
 
 
 
8,088
 
 
 
12,884
 
 
 
8,065
 
 
 
12,292
 
 
 
45,061
 
 
 
235,966
 
Purchase (Sell)
 
 
1,315
 
 
 
135,040
 
 
 
707
 
 
 
67,506
 
 
 
73
 
 
 
14,839
 
 
 
— 
 
 
 
— 
 
 
 
2,095
 
 
 
217,385
 
Government Submission
 
 
(15,972
) 
 
 
(302,918
) 
 
 
(484
) 
 
 
(39,837
) 
 
 
— 
 
 
 
— 
 
 
 
— 
 
 
 
— 
 
 
 
(16,456
) 
 
 
(342,755
) 
Carry Forward (Borrowing)
 
 
(45
) 
 
 
(24,127
) 
 
 
(231
) 
 
 
(28,266
) 
 
 
568
 
 
 
79,430
 
 
 
— 
 
 
 
— 
 
 
 
292
 
 
 
27,037
 
ETC
 
 
(2
) 
 
 
— 
 
 
 
— 
 
 
 
6,940
 
 
 
— 
 
 
 
(7,185
) 
 
 
— 
 
 
 
(5,419
) 
 
 
(2
) 
 
 
(5,664
) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ending
 
 
— 
 
 
 
— 
 
 
 
14,196
 
 
 
25,128
 
 
 
8,729
 
 
 
99,968
 
 
 
8,065
 
 
 
6,873
 
 
 
30,990
 
 
 
131,969
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(*)
Changes in emission rights due to allowances additionally allocated or cancelled are reflected.
 
  
 
3rd commitment period
 
  
 
2023
 
 
 
2024
 
 
 
2025
 
  
 
Total
 
  
 
Quantity
 
 
 
Amount
 
 
 
Quantity
 
 
 
Amount
 
 
 
Quantity
 
  
 
Amount
 
  
 
Quantity
 
 
 
Amount
 
  
 
In ten thousands of tons(tCO2-eq), millions of won
 
Beginning (*)
  
 
14,829
 
 
 
25,128
 
 
 
11,952
 
 
 
99,968
 
 
 
9,288
 
  
 
6,873
 
  
 
36,069
 
 
 
131,969
 
Purchase (Sell)
  
 
1,536
 
 
 
135,837
 
 
 
1,674
 
 
 
174,991
 
 
 
— 
 
  
 
— 
 
  
 
3,210
 
 
 
310,828
 
Government Submission
  
 
(14,780
) 
 
 
(39,968
) 
 
 
(657
) 
 
 
(53,727
) 
 
 
— 
 
  
 
— 
 
  
 
(15,437
) 
 
 
(93,695
) 
Carry Forward (Borrowing)
  
 
(1,585
) 
 
 
(129,188
) 
 
 
1,043
 
 
 
44,430
 
 
 
828
 
  
 
128,417
 
  
 
286
 
 
 
43,659
 
ETC
  
 
— 
 
 
 
8,191
 
 
 
— 
 
 
 
(53,693
) 
 
 
— 
 
  
 
244
 
  
 
— 
 
 
 
(45,258
) 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
  
 
 
 
 
 
 
 
Ending
  
 
— 
 
 
 
— 
 
 
 
14,012
 
 
 
211,969
 
 
 
10,116
 
  
 
135,534
 
  
 
24,128
 
 
 
347,503
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
  
 
 
 
 
 
 
 

  (*)
Changes in emission rights due to allowances additionally allocated or cancelled are reflected.
 
  (iii)
The Company does not have greenhouse gas emissions rights pledged as collateral as of December 31, 2024.
 
  (iv)
The Company does not hold any greenhouse gas emissions rights prepared for generating a profit from short-term fluctuations in price as of December 31, 2024.
 
  (v)
The estimated greenhouse gas emission of the Company for the year ended December 31, 2024 is 14,432 ten thousand tons.