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Sectorial Charges Payable (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
Sectorial charges due R$ 46,488 R$ 198,386
Energy Development Account [Member]    
IfrsStatementLineItems [Line Items]    
Sectorial charges due 41,122 41,786
Global Reversal Reserve [Member]    
IfrsStatementLineItems [Line Items]    
Sectorial charges due 5,366 8,834
Tariff Flags [Member]    
IfrsStatementLineItems [Line Items]    
Sectorial charges due R$ 147,766