XML 250 R229.htm IDEA: XBRL DOCUMENT
v3.25.1

Sale Of Assets - Schedule of Disposal Process (Details) R$ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 BRL (R$) MW | Dec. 31, 2023 BRL (R$)
IfrsStatementLineItems [Line Items] |  |  |
Net book value Fixed assets and Intangible assets | R$ |  | R$ 57 | R$ 58
Installed capacity (MW) |  | 3,601.7 |
Cemig GT [Member] | CGH Bom Jesus do Galho [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1931 |
Installed capacity (MW) | [1] | 0.36 |
Physical guarantee (MWm) |  | 0.13 |
Commercial Operation Status |  | Out of operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Xicao [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1942 |
Installed capacity (MW) |  | 1.81 |
Physical guarantee (MWm) |  | 0.61 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Sumidouro [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1954 |
Installed capacity (MW) |  | 2.12 |
Physical guarantee (MWm) |  | 0.53 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | PCH Sao Bernardo [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Concession |
Beginning of the operation |  | 1948 |
Installed capacity (MW) |  | 6.82 |
Physical guarantee (MWm) |  | 3.42 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Santa Marta [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1944 |
Installed capacity (MW) |  | 1 |
Physical guarantee (MWm) |  | 0.58 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Santa Luzia [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1958 |
Installed capacity (MW) |  | 0.7 |
Physical guarantee (MWm) |  | 0.28 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Salto Morais [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1957 |
Installed capacity (MW) |  | 2.39 |
Physical guarantee (MWm) |  | 0.6 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | PCH Rio de Pedras [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Concession |
Beginning of the operation |  | 1928 |
Installed capacity (MW) |  | 9.28 |
Physical guarantee (MWm) |  | 2.15 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Pissarrao [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1925 |
Installed capacity (MW) |  | 0.8 |
Physical guarantee (MWm) |  | 0.55 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Lages [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1955 |
Installed capacity (MW) |  | 0.68 |
Physical guarantee (MWm) |  | 0.32 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Jacutinga [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1948 |
Installed capacity (MW) |  | 0.72 |
Physical guarantee (MWm) |  | 0.57 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Cemig GT [Member] | CGH Anil [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Registry |
Beginning of the operation |  | 1964 |
Installed capacity (MW) |  | 2.06 |
Physical guarantee (MWm) |  | 1.1 |
Commercial Operation Status |  | In operation |
Site |  | Minas Gerais |
Horizontes [Member] | CGH Salto do Paraopeba [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Authorization |
Beginning of the operation |  | 1955 |
Installed capacity (MW) |  | 2.46 |
Physical guarantee (MWm) |  | 2.21 |
Commercial Operation Status |  | Out of operation |
Site |  | Minas Gerais |
Horizontes [Member] | CGH Salto Passo Velho [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Authorization |
Beginning of the operation |  | 2001 |
Installed capacity (MW) |  | 1.8 |
Physical guarantee (MWm) |  | 1.64 |
Commercial Operation Status |  | In operation |
Site |  | Santa Catarina |
Horizontes [Member] | PCH Salto Voltao [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Ledger |  | Authorization |
Beginning of the operation |  | 2001 |
Installed capacity (MW) |  | 8.2 |
Physical guarantee (MWm) |  | 7.36 |
Commercial Operation Status |  | In operation |
Site |  | Santa Catarina |
Cemig GT and Horizontes [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Installed capacity (MW) |  | 41.2 |
Physical guarantee (MWm) |  | 22.05 |
[1] | Information not audited by the independent auditors.

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