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INVESTMENTS - Valued using Equity method and provision for losses (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Investments |  |
Provision for losses on investments | R$ 129,814 | R$ 337,152
Others | Minimum |  |
Investments |  |
Percentage of shares in associates | 33.41% | 33.41%
Others | Maximum |  |
Investments |  |
Percentage of shares in associates | 40.44% | 40.44%
Norte Energia S.A. - NESA |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.98% | 49.98%
Provision for losses on investments | R$ 7,262 | R$ 337,152
Energia Sustentavel do Brasil S.A. - ESBR |  |
Investments |  |
Percentage of shares in jointly controlled entities |  | 40.00%
Belo Monte Transmissora de Energia SPE S.A. - BMTE |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% |
Teles Pires Participaes S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities |  | 100.00%
Mata de Santa Genebra Transmissora S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.90% | 49.90%
Chapecoense Geracao S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 40.00% | 49.00%
Empresa de Energia Sao Manoel S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 33.33% | 33.33%
Provision for losses on investments | R$ 81,829 |
Interligao Eltrica Garanhuns S.A. - IE Garanhuns |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% | 49.00%
Companhia Energetica Sinop S.A. - SINOP |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% | 49.00%
Provision for losses on investments | R$ 40,723 |
Sistema de Transmissao Nordeste S.A.- STN |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% | 40.00%
Paranaiba Transmissora de Energia S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 24.50% | 49.00%
Triangulo Mineiro Transmissora S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities |  | 100.00%
Goias Transmissao S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% | 24.50%
Retiro Baixo Energtica S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities |  | 100.00%
MGE Transmissao S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% |
Transenergia Renovavle S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% |
Vale do Sao Bartolomeu Transmissora de Energia S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities |  | 90.00%
Others | Minimum |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% | 30.61%
Others | Maximum |  |
Investments |  |
Percentage of shares in jointly controlled entities | 51.00% | 54.01%
Rouar |  |
Investments |  |
Percentage of shares in jointly controlled entities |  | 50.00%
Interligao Eltrica do Madeira S.A. - IE Madeira |  |
Investments |  |
Percentage of shares in jointly controlled entities | 49.00% | 49.00%
Enerpeixe S.A. |  |
Investments |  |
Percentage of shares in jointly controlled entities | 40.00% | 40.00%

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