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CONCESSION CONTRACT ASSETS (Tables)
12 Months Ended
Dec. 31, 2021
Concession Contract Assets  
Schedule of detailed information about concession contract assets

Under IFRS 15 —Revenue from contracts with customers, the infrastructure construction revenue for which the right to consideration depends on satisfaction of performance obligations related to the completion of its construction, or its future operation and maintenance are classified as contract assets as follows:

 

 

   2021  2020
Distribution — Infrastructure assets under construction   1,927    1,142 
Gas — Infrastructure assets under construction   95    94 
Transmission — National Grid (‘BNEs’ - Basic Network of the Existing System) - Law 12,783/13   2,011    1,896 
Transmission — Assets remunerated by tariff   2,347    1,848 
    6,380    4,980 
           
Current   600    737 
Non-current   5,780    4,243 
Changes in concession contract assets are as follows:

Changes in concession contract assets are as follows:

 

   Transmission  Distribution  Gas  Total
Balances at December 31, 2018   2,909    518    82    3,509 
Additions   312    903    43    1,258 
Inflation adjustment   328            328 
Amounts received   (473)           (473)
Disposals           (2)   (2)
Transfers to financial assets       (48)       (48)
Transfers to intangible assets       (630)   (55)   (685)
Impairment       (3)       (3)
Balances at December 31, 2019   3,076    740    68    3,884 
Additions   201    1,346    50    1,597 
Inflation adjustment   438            438 
Results of the Periodic Tariff Review   552            552 
Amounts received   (623)           (623)
Disposals   (7)       (2)   (9)
Transfers to financial assets       (60)       (60)
Transfers to intangible assets       (883)   (23)   (906)
Contract assets arising from business combination   108            108 
Impairment       (1)       (1)
Balances at December 31, 2020   3,745    1,142    93    4,980 
Additions   252    1,757    50    2,059 
Inflation adjustment   660            660 
Results of the Periodic Tariff Review   237            237 
Amounts received   (612)           (612)
Disposals   (5)       (3)   (8)
Impairment       (11)       (11)
Transfers to financial assets       (110)       (110)
Transfers to intangible assets       (851)   (51)   (902)
Contract assets arising from business combination   81            81 
Others additions           6    6 
Balances at December 31, 2021   4,358    1,927    95    6,380 
Schedule of concession contracts

For transmission concessions, the consideration to be paid to the Company arises from the concession contracts n. 006/97, n. 079/00, n. 004/05 and n. 006/11, as follows:

 

   2021  2020
Current      
Concession contract - 004/05   27    19 
Concession contract - 079/00   39    29 
Concession contract — 006/11   7     
Concession contract - 006/97          
    Basic Network of the Existing System (BNES)   318    533 
    Basic Network of New Facilities (BNNF)   209    156 
    600    737 
Non-current          
Concession contract - 004/05   89    91 
Concession contract - 079/00   152    133 
Concession contract — 006/11   74     
Concession contract - 006/97          
    Basic Network of the Existing System (BNES)   1,694    1,363 
    Basic Network of New Facilities (BNNF)   1,749    1,421 
    3,758    3,008 
    4,358    3,745