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10 Expenses by nature | 12 Months Ended
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Dec. 31, 2020
Expenses by nature [abstract] |
Expenses by nature |
Note | 10 | 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.
The expenses included in the chart above are net of the Company’s own expenses capitalized in property, plant and equipment as of December 31, 2020 for $ 1,846 million.
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
The expenses included in the chart above are net of the Company’s own expenses capitalized in property, plant and equipment as of December 31, 2019 for $ 1,533.5 million.
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
The expenses included in the chart above are net of the Company’s own expenses capitalized in property, plant and equipment as of December 31, 2018 for $ 2,137.9 million.

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