NET OPERATING REVENUE (Details) - BRL (R$) R$ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Operating Revenue [Line Items] | |||
| Other revenue and expenditure | R$ 459,000 | R$ 136,540 | R$ 651,280 |
| Operating revenue, net | 48,404,858 | 47,725,367 | 44,475,106 |
| Total net operating income | 41,281,594 | 40,181,552 | 37,158,908 |
| Generation | |||
| Operating Revenue [Line Items] | |||
| Energy Supply | 18,311,190 | 18,811,949 | 17,030,455 |
| Power supply for end consumers | 1,760,056 | 2,941,312 | 3,853,830 |
| CCEE | 5,698,648 | 3,278,465 | 1,680,285 |
| O&M Revenue | 1,977,831 | 3,063,896 | 4,052,072 |
| Operating Revenue, Net | 27,747,725 | 28,095,622 | 26,616,642 |
| Construction revenue | 0 | 0 | 0 |
| Contractual revenue | 0 | 0 | 0 |
| Other revenue and expenditure | 32,903 | 65,724 | (104,270) |
| Other Deductions On Operating Income | (3,940,439) | (4,484,379) | (4,378,811) |
| Total net operating income | 23,840,189 | 23,676,967 | 22,133,561 |
| Transmission | |||
| Operating Revenue [Line Items] | |||
| Energy Supply | 0 | 0 | 0 |
| Power supply for end consumers | 0 | 0 | 0 |
| CCEE | 0 | 0 | 0 |
| O&M Revenue | 8,006,246 | 7,725,358 | 7,335,165 |
| Operating Revenue, Net | 20,115,785 | 19,292,579 | 17,432,037 |
| Construction revenue | 4,800,376 | 4,161,735 | 2,960,792 |
| Contractual revenue | 7,309,163 | 7,405,486 | 7,136,080 |
| Other revenue and expenditure | 1,147 | 241,150 | 415,326 |
| Other Deductions On Operating Income | (3,118,161) | (3,059,095) | (2,932,286) |
| Total net operating income | 16,998,771 | 16,474,634 | 14,915,077 |
| Total | |||
| Operating Revenue [Line Items] | |||
| Energy Supply | 18,311,190 | 18,811,949 | 17,030,455 |
| Power supply for end consumers | 1,760,056 | 2,941,312 | 3,853,830 |
| CCEE | 5,698,648 | 3,278,465 | 1,680,285 |
| O&M Revenue | 9,984,077 | 10,789,254 | 11,387,237 |
| Construction revenue | 4,800,376 | 4,161,735 | 2,960,792 |
| Contractual revenue | 7,309,163 | 7,405,486 | 7,136,080 |
| Other revenue and expenditure | 541,348 | 337,166 | 426,427 |
| (-) ICMS | (305,303) | (761,342) | (1,053,742) |
| (-) PIS and COFINS | (4,149,684) | (4,295,000) | (3,906,818) |
| (-) Sectoral charges | (2,667,004) | (2,484,234) | (2,348,976) |
| (-) Other Deductions (including ISS) | (1,274) | (3,239) | (6,662) |
| Other Deductions On Operating Income | (7,123,265) | (7,543,815) | (7,316,198) |
| Total net operating income | R$ 41,281,593 | R$ 40,181,552 | R$ 37,158,908 |