LOANS, FINANCING AND DEBENTURES - Loans, Financing, Bonds (Details) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Sep. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| FINANCING AND LOANS | |||
| Net receivables | R$ 191,193 | R$ 173,885 | |
| Debentures | 0 | 464,714 | |
| Principal | 10,241 | 460,718 | |
| Charges | 384 | 14,741 | |
| Current | 10,625 | 475,459 | |
| Non-current | 180,568 | 163,140 | |
| Loans, financing and bonds receivable | R$ 191,193 | 638,599 | |
| Amazonas Energia | |||
| FINANCING AND LOANS | |||
| Average rate | 15.76% | ||
| Gross receivables | R$ 4,414,786 | 4,592,148 | |
| Debentures | R$ 483,375 | ||
| Boa Vista S.A. | |||
| FINANCING AND LOANS | |||
| Average rate | 5.89% | ||
| Gross receivables | R$ 176,776 | 158,287 | |
| Others | |||
| FINANCING AND LOANS | |||
| Average rate | 10.85% | ||
| Gross receivables | R$ 205,778 | 195,722 | |
| (-) ECL | |||
| FINANCING AND LOANS | |||
| Gross receivables | R$ (4,606,147) | (4,772,272) | |
| Transnorte Energia S.A. | |||
| FINANCING AND LOANS | |||
| Average rate on bonds | 0.00% | ||
| Debentures | R$ 0 | R$ 464,714 |