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18 Trade receivables (Tables)
12 Months Ended
Dec. 31, 2020
Trade Receivables  
Schedule of trade receivables
     12.31.20     12.31.19 
Current:        
Sales of electricity – Billed     12,304    10,501
Framework Agreement (1)    9    12
Receivables in litigation    300    293
Allowance for the impairment of trade receivables    (4,605)    (2,105)
Subtotal    8,008    8,701
         
Sales of electricity – Unbilled    5,812    7,884
PBA & CABA government credit    329    342
Fee payable for the expansion of the transportation and others    2    34
Total current    14,151    16,961

 

  (1) As of December 31, 2020, the Province of Buenos Aires and the Federal Government have a debt with the Company for the consumption of electricity by low-income areas and shantytowns. The indicated amount does not include interest and no revenue for this concept has been recognized by the Company. See Note 2.f).
Schedule of allowance for the impairment of trade receivables

The roll forward of the allowance for the impairment of trade receivables is as follows:

 

     12.31.20     12.31.19 
Balance at beginning of the year    2,105    1,887
Increase    4,173    1,858
Decrease    (615)    (1,050)
Result from exposure to inlfation    (1,058)    (590)
Balance at end of the year    4,605    2,105
Schedule of aging analysis of trade receivables

The aging analysis of these trade receivables is as follows:

 

     12.31.20     12.31.19 
Not due    9    11
Past due   3,714   2,586
Up to 3 months    10,428    14,364
Total trade receivables    14,151    16,961
Schedule of sensitivity analysis

Sensitivity analysis of the allowance for impairment of trade receivables:

 

 - 5% increase in the uncollectibility rate estimate     
     12.31.20 
 Allowance     4,835
 Variation     230
     
 
 - 5% decrease in the uncollectibility rate estimate     
     12.31.20 
 Allowance     4,374
 Variation     (231)