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v3.25.1

Assets Classified as Held for Sale (Tables) | 12 Months Ended
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Dec. 31, 2024
IfrsStatementLineItems [Line Items] |
Schedule of Book Value of Plants in Assets Held for Sale Group | The breakdown of assets classified as held for sale, measured at book value, is as follows:
| Dec. 31, 2024 |  | Dec. 31, 2023
Property, Plant and Equipment, Intangible Assets – Plants | 20 |  | 58
Financial assets – Generation – Concession grant fee | 37 |  | -
| 57 |  | 58
Onerous Transfer Of 4PCHUHEs [Member] |
IfrsStatementLineItems [Line Items] |
Schedule of Disposal Process |
Generation plant | Ledger | Installed capacity (MW)¹ |  | Physical guarantee (MWm)¹ | Term | Commercial Operation Status | Site
Cemig GT |  |  |  |  |  |  |
PCH Machado Mineiro | Authorization | 1.7 |  | 1.1 | May, 2027 | In operation | Minas Gerais
Cemig Geração Leste |  |  |  |  |  |  |
UHE Sinceridade | Concession | 1.4 |  | 0.4 | March, 2047 | In operation | Minas Gerais
Cemig Geração Sul |  |  |  |  |  |  |
UHE Marmelos | Concession | 4 |  | 2.7 | January, 2053 | In operation | Minas Gerais
Cemig Geração Oeste |  |  |  |  |  |  |
UHE Martins | Concession | 7.7 |  | 1.8 | January, 2053 | In operation | Minas Gerais
Total |  | 14.8 |  | 6.0 |  |  |

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