v3.26.1
RELATED PARTY TRANSACTIONS - Transactions with related parties (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Jointly controlled companies    
ASSETS    
Clients R$ 106,159 R$ 154,736
Accounts receivable 0 0
Dividends / Interest on own capital receivable 215,295 242,835
Loans and financing receivable 1,038 0
Other assets 0 1,286
Total assets 322,493 398,857
Passive items    
Suppliers 46,223 6,255
Provisions 0 0
Social security contribution 0 0
Actuarial debt agreements 0 0
Sundry obligations 0 38,940
Energy purchased for resale 0 23,646
Obligations with subsidiaries 4,839 0
Other liabilities 0 0
Total liabilities 51,062 68,841
Result    
Revenue from the use of electricity 47,026 401,993
Income from services rendered 585,148 7,324
Network use charges (112,959) (57,723)
Purchase/sale of electricity (604,107) (543,908)
Interest income, commissions, exchange rates and variations and financial expenses 0 25,101
Other revenues (expenses) 10,702 377,767
Total (74,189) 210,554
Associates    
ASSETS    
Clients 6,383 3,788
Accounts receivable 0 0
Dividends / Interest on own capital receivable 212,916 465,159
Loans and financing receivable 42,193 0
Other assets 0 41,056
Total assets 261,492 510,003
Passive items    
Suppliers 127 0
Provisions 0 0
Social security contribution 0 0
Actuarial debt agreements 0 0
Sundry obligations 0 0
Energy purchased for resale 0 0
Obligations with subsidiaries 0 0
Other liabilities 0 0
Total liabilities 127 0
Result    
Revenue from the use of electricity 48,527 0
Income from services rendered 47,891 0
Network use charges (55,314) 0
Purchase/sale of electricity 0 0
Interest income, commissions, exchange rates and variations and financial expenses 50,343 0
Other revenues (expenses) 695 0
Total 92,142 0
Post-employment benefit entities    
ASSETS    
Clients 0 0
Accounts receivable 0 0
Dividends / Interest on own capital receivable 0 0
Loans and financing receivable 68,968 0
Other assets 0 59,712
Total assets 68,968 59,712
Passive items    
Suppliers 694 0
Provisions 0 177,503
Social security contribution 0 12,907
Actuarial debt agreements 0 2,907,762
Sundry obligations 0 0
Energy purchased for resale 0 0
Obligations with subsidiaries 189,236 0
Other liabilities 9,258 63,648
Total liabilities 199,188 3,161,820
Result    
Revenue from the use of electricity 0 0
Income from services rendered 0 0
Network use charges 0 0
Purchase/sale of electricity 0 0
Interest income, commissions, exchange rates and variations and financial expenses (16,444) (42,975)
Other revenues (expenses) (75,243) (244,759)
Total R$ (91,687) R$ (287,734)