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Trade Accounts Receivable (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | R$ 3,866,429 | R$ 3,451,869
Current | 3,761,170 | 3,342,050
Noncurrent | 105,259 | 109,819
Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 3,282,379 |
Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 462,649 |
Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 121,401 |
Electricity Sales To Final Customers And Charges For Use Of The System Copel D I S [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 2,981,740 | 2,513,664
Electricity Sales To Final Customers And Charges For Use Of The System Copel D I S [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 2,428,632 |
Electricity Sales To Final Customers And Charges For Use Of The System Copel D I S [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 395,161 |
Electricity Sales To Final Customers And Charges For Use Of The System Copel D I S [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 157,947 |
Electricity Sales To Final Customers [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 217,801 | 208,631
Electricity Sales To Final Customers [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 207,084 |
Electricity Sales To Final Customers [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 4,414 |
Electricity Sales To Final Customers [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 6,303 |
Other Consumers Receivables [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 202,315 | 111,436
Other Consumers Receivables [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 90,694 |
Other Consumers Receivables [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 71,771 |
Other Consumers Receivables [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 39,850 |
Energy Supply Concessionaires And Permission Holder And Trading Companies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 471,087 | 483,218
Energy Supply Concessionaires And Permission Holder And Trading Companies [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 437,348 |
Energy Supply Concessionaires And Permission Holder And Trading Companies [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 24,184 |
Energy Supply Concessionaires And Permission Holder And Trading Companies [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 9,555 |
C C E E [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 189,713 | 196,627
C C E E [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 70,048 |
C C E E [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
C C E E [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 119,665 |
Charges For Use Of The Transmission System [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 86,155 | 71,466
Charges For Use Of The Transmission System [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 68,161 |
Charges For Use Of The Transmission System [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 7,314 |
Charges For Use Of The Transmission System [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 10,680 |
Gas distribution [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  | 138,770
Gas distribution [member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Gas distribution [member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Gas distribution [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Expected Credit Losses [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (282,382) | R$ (271,943)
Expected Credit Losses [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (19,588) |
Expected Credit Losses [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (40,195) |
Expected Credit Losses [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | R$ (222,599) |

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