v3.26.1
CONTRACTUAL TRANSMISSION ASSETS - Disclosure of Annual Allowable Revenue Received (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Annual Allowable Revenue Received [Line Items]      
Revenue R$ 41,281,595 R$ 40,181,552 R$ 37,158,908
Infrastructure construction      
Annual Allowable Revenue Received [Line Items]      
Revenue 10,708,558 11,522,828  
Service provision (O&M)      
Annual Allowable Revenue Received [Line Items]      
Revenue 8,006,246 7,725,358  
RAP      
Annual Allowable Revenue Received [Line Items]      
Revenue R$ 18,714,804 R$ 19,248,186