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RELATED PARTY TRANSACTIONS - Main transactions in 2023 (Details) - BRL (R$)
R$ in Thousands
Nov. 05, 2023
Sep. 28, 2023
Mar. 20, 2023
Companhia de Gerao e Transmisso de Energia Eltrica do Sul do Brasil ("CGT Eletrosul") and Fundao Elos      
RELATED PARTY TRANSACTIONS      
Transaction amount     R$ 65,761
Eletrobras and Special Purpose Entity Chapada do Piau II Holding S/A ("SPE").      
RELATED PARTY TRANSACTIONS      
Transaction amount   R$ 68,000  
Eletrobras and Fundao Eletrobras de Seguridade Social ("Eletros") [Member]      
RELATED PARTY TRANSACTIONS      
Transaction amount R$ 185,023