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Assets Classified as Held for Sale - Schedule of Disposal Process (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023 MW
IfrsStatementLineItems [Line Items] |  |
Installed capacity (MW) | 3,601.7 |
Cemiggt [Member] | C G H Bom Jesus Do Galho [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1931 |
Installed capacity (MW) | 0.36 | [1]
Physical guarantee (MWm) | 0.13 | [1]
Commercial Operation Status | Out of operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Xicao [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1942 |
Installed capacity (MW) | 1.81 | [1]
Physical guarantee (MWm) | 0.61 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Sumidouro [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1954 |
Installed capacity (MW) | 2.12 | [1]
Physical guarantee (MWm) | 0.53 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | P C H Sao Bernardo [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Concession |
Beginning of the operation | 1948 |
Installed capacity (MW) | 6.82 | [1]
Physical guarantee (MWm) | 3.42 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Santa Marta [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1944 |
Installed capacity (MW) | 1.00 | [1]
Physical guarantee (MWm) | 0.58 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Santa Luzia [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1958 |
Installed capacity (MW) | 0.7 | [1]
Physical guarantee (MWm) | 0.28 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Salto Morais [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1957 |
Installed capacity (MW) | 2.39 | [1]
Physical guarantee (MWm) | 0.60 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | P C H Riode Pedras [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Concession |
Beginning of the operation | 1928 |
Installed capacity (MW) | 9.28 | [1]
Physical guarantee (MWm) | 2.15 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Pissarrao [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1925 |
Installed capacity (MW) | 0.80 | [1]
Physical guarantee (MWm) | 0.55 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Lages [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1955 |
Installed capacity (MW) | 0.68 | [1]
Physical guarantee (MWm) | 0.32 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Jacutinga [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1948 |
Installed capacity (MW) | 0.72 | [1]
Physical guarantee (MWm) | 0.57 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Cemiggt [Member] | C G H Anil [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Registry |
Beginning of the operation | 1964 |
Installed capacity (MW) | 2.06 | [1]
Physical guarantee (MWm) | 1.10 | [1]
Commercial Operation Status | In operation |
Site | Minas Gerais |
Horizontes [Member] | C G H Saltodo Paraopeba [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Authorization |
Beginning of the operation | 1955 |
Installed capacity (MW) | 2.46 | [1]
Physical guarantee (MWm) | 2.21 | [1]
Commercial Operation Status | Out of operation |
Site | Minas Gerais |
Horizontes [Member] | C G H Salto Passo Velho [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Authorization |
Beginning of the operation | 2001 |
Installed capacity (MW) | 1.80 | [1]
Physical guarantee (MWm) | 1.64 | [1]
Commercial Operation Status | In operation |
Site | Santa Catarina |
Horizontes [Member] | P C H Salto Voltao [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Ledger | Authorization |
Beginning of the operation | 2001 |
Installed capacity (MW) | 8.20 | [1]
Physical guarantee (MWm) | 7.36 | [1]
Commercial Operation Status | In operation |
Site | Santa Catarina |
Cemig GT and Horizontes [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Installed capacity (MW) | 41.20 | [1]
Physical guarantee (MWm) | 22.05 | [1]
[1] | Information not audited by the independent auditors.

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