v3.26.1
ACCOUNTS RECEIVABLE, NET - Changes in provision (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Amazonas Energia    
Changes in the PCLD for customer electricity accounts    
Additional provision R$ 2,728,747 R$ 2,728,747
Account Receivable | PECLD    
Changes in the PCLD for customer electricity accounts    
Opening balance as of January 1 4,133,603 3,747,981
(+) Acquisition of investee control 26,482 0
(+) Constitution 338,034 545,830
(-) Reversal (121,105) (154,496)
(-) Write-off (12) (5,712)
Final balance on December, 31 R$ 4,377,002 R$ 4,133,603