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Commitments (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Energy Purchase And Transportation Contracts [Member]    
Disclosure of Commitments [Line Items]    
Commitments R$ 102,761,072 R$ 102,523,854
Acquisition Of Assets For Electricity Distribution [Member]    
Disclosure of Commitments [Line Items]    
Commitments 2,435,097 1,741,146
Improvements in transmission facilities [Member]    
Disclosure of Commitments [Line Items]    
Commitments 310,665 0
Modernization of GPS UHE [Member]    
Disclosure of Commitments [Line Items]    
Commitments 215,573 0
Acquisition of fixed assets and improvements in wind farms [Member]    
Disclosure of Commitments [Line Items]    
Commitments R$ 25,673 R$ 0