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10 Expenses by nature (Tables)
 12 Months Ended
Dec. 31, 2020
Expenses By Nature  
Schedule of expenses by nature

The detail of expenses by nature is as follows:

 

Expenses by nature at 12.31.20
 Description     Transmission and distribution expenses   

 Selling 

expenses  

    Administrative expenses     Total 
Salaries and social security taxes     7,756    1,287   2,272   11,315
Pension plans   327   54   96   477
Communications expenses   218   444   -   662
Allowance for the impairment of trade and other receivables   -    4,183   -    4,183
Supplies consumption     1,878   -    148    2,026
Leases and insurance    1    1    315   317
Security service   306   32   35   373
Fees and remuneration for services    3,900    2,169   1,534    7,603
Public relations and marketing   -   19   -   19
Advertising and sponsorship    -   10   -   10
Reimbursements to personnel    -   -   1    1
Depreciation of property, plants and
equipments		  5,118   762    626    6,506
Depreciation of right-of-use asset 32   64    225   321
Directors and Supervisory Committee
members’ fees 		 -   -   28   28
ENRE penalties   330   365   -   695
Taxes and charges    -    1,453   64    1,517
Other   -   -   9    9
At 12.31.20   19,866   10,843   5,353   36,062

 

  (1) Includes recovery of technical service quality-related penalties of six-month control periods Nos. 47 and 48 for $ 700.8 million, due to the fact that quality levels were better than estimated.

 

Expenses by nature at 12.31.19
 Description     Transmission and distribution expenses   

 Selling

expenses 

    Administrative expenses     Total 
Salaries and social security taxes     8,666    1,424   1,819   11,909
Pension plans   260   43   54   357
Communications expenses   113   504   23   640
Allowance for the impairment of trade and other receivables   -    1,844   -    1,844
Supplies consumption     2,200   -    156    2,356
Leases and insurance   -   -    308   308
Security service   323   58    126   507
Fees and remuneration for services    3,481    2,203   1,856    7,540
Public relations and marketing   -   56   -   56
Advertising and sponsorship    -   29   -   29
Reimbursements to personnel    -   -   1    1
Depreciation of property, plants and equipments   4,952   738    605    6,295
Depreciation of right-of-use asset   22   45    156   223
Directors and Supervisory Committee
members’ fees 		 -   -   30   30
ENRE penalties    1,963    1,806   -    3,769
Taxes and charges    -    1,257   68    1,325
Other   -   -   21   21
At 12.31.19   21,980   10,007   5,223   37,210

 

Expenses by nature at 12.31.18
 Description     Transmission and distribution expenses   

 Selling  

expenses  

    Administrative expenses     Total 
Salaries and social security taxes    9,066   1,627    1,914   12,607
Pension plans   169   30    36   235
Communications expenses   170   564    34   768
Allowance for the impairment of trade and other receivables    -   2,046   -   2,046
Supplies consumption    1,654    -    257   1,911
Leases and insurance   1    -    377   378
Security service   286   4    269   559
Fees and remuneration for services   2,956   2,177    2,108   7,241
Public relations and marketing    -    -    67   67
Advertising and sponsorship     -    -    35   35
Reimbursements to personnel     -    -    1   1
Depreciation of property, plants and
equipments 		 4,217   629    516   5,362
Directors and Supervisory Committee
members’ fees 		  -    -    46   46
ENRE penalties   4,321   2,202   -   6,523
Taxes and charges     -   1,254    340   1,594
Other   2   1    12   15
At 12.31.18   22,842   10,534    6,012   39,388