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Revenue from sales and energy purchases (Tables) | 12 Months Ended
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Dec. 31, 2021
Schedule of sales of electricity | Schedule of sales of electricity
|  | 12.31.21 |  | 12.31.20 |  | 12.31.19
|  | GWh |  | $ |  | GWh |  | $ |  | GWh |  | $
Sales of electricity |  |  |  |  |  |  |  |  |  |  |  |
Small demand segment: Residential use and public lighting (T1) |  | 12,373 |  | 66,852 |  | 11,600 |  | 86,541 |  | 10,768 |  | 109,511
Medium demand segment: Commercial and industrial (T2) |  | 1,447 |  | 12,150 |  | 1,341 |  | 15,909 |  | 1,549 |  | 24,104
Large demand segment (T3) |  | 3,492 |  | 28,531 |  | 3,210 |  | 29,921 |  | 3,503 |  | 48,203
Other: (Shantytowns/Wheeling system) |  | 4,398 |  | 5,192 |  | 4,028 |  | 4,695 |  | 4,154 |  | 2,159
Subtotal - Sales of electricity |  | 21,710 |  | 112,725 |  | 20,179 |  | 137,066 |  | 19,974 |  | 183,977
Other services |  |  |  |  |  |  |  |  |  |  |  |
Right of use of poles |  |  |  | 702 |  |  |  | 635 |  |  |  | 582
Connection and reconnection charges |  |  | 73 |  |  |  | 81 |  |  |  | 180
Subtotal - Other services |  |  |  | 775 |  |  |  | 716 |  |  |  | 762
Total - Revenue |  |  |  | 113,500 |  |  |  | 137,782 |  |  |  | 184,739
|  | 12.31.21 |  | 12.31.20 |  | 12.31.19
|  | GWh |  | $ |  | GWh |  | $ |  | GWh |  | $
Energy purchases (1) |  | 26,373 |  | (69,800) |  | 25,124 |  | (87,408) |  | 24,960 |  | (117,160)
| (1) | As of December 31, 2021, 2020 and 2019, includes technical and non-technical energy losses for 4,663 GWh, 4,945 GWh and 4,986 GWh, respectively.

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- Definition The element represents summary of sales of electricity table text block. + References No definition available. + Details
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Namespace Prefix: | edn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration