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Trade Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2023
Trade Accounts Receivable  
Schedule of trade accounts receivable
         
Consolidated Balances Overdue  Overdue for more  Total  Total 
  falling due up to 90 days than 90 days 12.31.2023 12.31.2022

Electricity sales to final customers and Charges for use

of the system - Copel DIS (a)

  2,428,632   395,161   157,947   2,981,740 2,513,664
           
Electricity sales to final customers   207,084 4,414 6,303   217,801 208,631
           
Other consumers receivables   90,694  71,771  39,850   202,315 111,436
           

Energy supply - Concessionaires, permission holder

and trading companies

  437,348  24,184 9,555   471,087 483,218
           
CCEE (7.1)  70,048  -   119,665   189,713 196,627
           
Charges for use of the transmission system  68,161 7,314  10,680  86,155   71,466
           
Gas distribution  -  -   -   - 138,770
           
(-) Expected credit losses (7.2)   (19,588)   (40,195)  (222,599)  (282,382)  (271,943)
    3,282,379   462,649   121,401   3,866,429 3,451,869
Current         3,761,170 3,342,050
Noncurrent         105,259 109,819
(a) Includes the balance of debt installments at present value, considering the amount to be discounted, the realization dates, the settlement dates and the discount rate of 1.22% p.m. (1.10% p.m. on December 31, 2022).
Schedule of expected credit losses
                       
Consolidated Balance as of  Additions /  Write  Reclassi- Balance as of  Additions/ Write  Balance as of Additions/ Write  Reclassifica- Balance as of
  January 1, 2021 (Reversals) offs (a) fication (b) December 31, 2021 (Reversals) offs (a) December 31, 2022 (Reversals) offs (a)  tion (NE nº 39) December 31, 2023
Electricity sales to final customers and Charges for use of the system - Copel DIS   212,327  180,150  (238,394)   -  154,083  114,718  (149,263)  119,538 99,685  (85,356)  -  133,867
Electricity sales to final customers and other consumers receivables 769   436 -   -   1,205 11,327 - 12,532   2,792  -  - 15,324
Energy supply - Concessionaires, permission holder and trading companies  20,533   1,224   (1,994)   - 19,763 (5,353)   (4,583)   9,827   4,533 (834)  - 13,526
CCEE (7.1)   119,665  - -   -  119,665 - -  119,665 -  -  -  119,665
Telecommunications  -   3,042   (3,153)  111  - - -  - -  -  -  -
Gas distribution  12,257 (2,611)  239   -   9,885   1,064   (568) 10,381   286 (329)  (10,338)  -
    365,551  182,241  (243,302)  111  304,601  121,756  (154,414)  271,943  107,296  (86,519)  (10,338)  282,382
(a) Net losses from recovered invoice balances.                       
(b) TEL segment discontinued in 2021; reclassifications arising from the divestment process of Copel Telecomunicações, completed in August/2021.