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Accounts Payable to Suppliers (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Suppliers | R$ 2,285,573 | R$ 2,215,470
Suppliers, current | 2,154,430 | 2,090,022
Suppliers, noncurrent | 131,143 | 125,448
Energy Power [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Suppliers | 1,284,191 | 1,208,733
Materials And Supplies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Suppliers | 638,025 | 626,710
Natural Gas For Resale [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Suppliers |  | 93,696
Charges For Use Of Grid System [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Suppliers | R$ 363,357 | R$ 286,331

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