v3.26.1
2025 HIGHLIGHTS (Details) - BRL (R$)
R$ / shares in Units, R$ in Thousands
1 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2025
Oct. 31, 2025
Sep. 30, 2025
Aug. 31, 2025
May 31, 2025
Jan. 31, 2025
Nov. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
2025 HIGHLIGHTS                    
Net income for the year               R$ 6,559,657 R$ 10,380,754 R$ 4,394,861
Regulatory remeasurements - Transmission contracts               R$ 4,081,630 R$ (6,129,771) 12,144
Dividends paid, ordinary shares R$ 4,300,000     R$ 4,000,000 R$ 4,000,000 R$ 4,000,000 R$ 8,300,000      
Quantity (in shares) 2,915,428,717,000             2,915,428,717,000 2,307,099,812,000  
Fund raised               R$ 8,032,447 R$ 29,965,839 R$ 11,821,045
Thermal projects                    
2025 HIGHLIGHTS                    
Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations         2,394,259          
Disposal group, including discontinued operation, expenses         269,783          
Empresa Metropolitana de Águas e Energia S.A. - EMAE                    
2025 HIGHLIGHTS                    
Gains (losses) on disposals of investments     R$ 24,524              
Losses on disposals of investments   R$ 24,524                
Eletronuclear                    
2025 HIGHLIGHTS                    
Net income for the year                 R$ 544,787  
Assets and liabilities classified as held for sale | Eletronuclear                    
2025 HIGHLIGHTS                    
Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations   535,000                
Consideration for the transfer   535,000                
Impairment of asset held for sale   R$ 7,289,762                
UHE Colíder - AXIA Energia                    
2025 HIGHLIGHTS                    
Gains (losses) on disposals of investments         157,840          
Losses on disposals of investments         R$ 131,870          
PNC                    
2025 HIGHLIGHTS                    
Quantity (in shares) 606,796,117,000             606,796,117,000    
PREFERRED | Empresa Metropolitana de Águas e Energia S.A. - EMAE                    
2025 HIGHLIGHTS                    
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)   14,856,900                
Disposal group price received per share (in real per share)   R$ 32.07                
Consideration for the transfer   R$ 476,461