XML 139 R103.htm IDEA: XBRL DOCUMENT
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Schedule of generation indemnity receivable (Details) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 BRL (R$) MW
IfrsStatementLineItems [Line Items] |
Installed capacity (MW) | MW | 3,601.70
Net balance of assets based on historical cost | R$ 204
Net balance of assets based on fair value (replacement cost) | R$ 816
Usina Hidreletrica Tres marias [member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 396,000,000
Net balance of assets based on historical cost | R$ 71
Net balance of assets based on fair value (replacement cost) | R$ 413
Usina Hidreletrica Salto Grande [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 102,000,000
Net balance of assets based on historical cost | R$ 11
Net balance of assets based on fair value (replacement cost) | R$ 39
Usina Hidreletrica Itutinga [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 52,000,000
Net balance of assets based on historical cost | R$ 3
Net balance of assets based on fair value (replacement cost) | R$ 7
Usina Hidreletrica Camargos [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 46,000,000
Net balance of assets based on historical cost | R$ 8
Net balance of assets based on fair value (replacement cost) | R$ 23
Cemig P C H Piau [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 18.01
Net balance of assets based on historical cost | R$ 2
Net balance of assets based on fair value (replacement cost) | R$ 9
Cemig P C H Gafanhoto [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 14,000,000
Net balance of assets based on historical cost | R$ 1
Net balance of assets based on fair value (replacement cost) | R$ 10
Cemig P C H Peti [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 9.4
Net balance of assets based on historical cost | R$ 1
Net balance of assets based on fair value (replacement cost) | R$ 8
Cemig P C H Dona Rita [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | Sep. 2013
Installed capacity (MW) | MW | 2.41
Net balance of assets based on historical cost | R$ 1
Net balance of assets based on fair value (replacement cost) | R$ 1
Cemig P C H Tronqueiras [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 8.5
Net balance of assets based on historical cost | R$ 2
Net balance of assets based on fair value (replacement cost) | R$ 12
Cemig P C H Joasal [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 8.4
Net balance of assets based on historical cost | R$ 1
Net balance of assets based on fair value (replacement cost) | R$ 8
Cemig P C H Martins [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 7.7
Net balance of assets based on historical cost | R$ 2
Net balance of assets based on fair value (replacement cost) | R$ 4
Cemig P C H Cajuru [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 7.2
Net balance of assets based on historical cost | R$ 4
Net balance of assets based on fair value (replacement cost) | R$ 4
Cemig P C H Paciencia [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 4.08
Net balance of assets based on historical cost | R$ 1
Net balance of assets based on fair value (replacement cost) | R$ 4
Cemig P C H Marmelos [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | July 2015
Installed capacity (MW) | MW | 4,000,000
Net balance of assets based on historical cost | R$ 1
Net balance of assets based on fair value (replacement cost) | R$ 4
Usina Hidreletrica Volta Grande [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | Feb. 2017
Installed capacity (MW) | MW | 380,000,000
Net balance of assets based on historical cost | R$ 26
Net balance of assets based on fair value (replacement cost) | R$ 70
Usina Hidreletrica Miranda [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | Dec. 2016
Installed capacity (MW) | MW | 408,000,000
Net balance of assets based on historical cost | R$ 27
Net balance of assets based on fair value (replacement cost) | R$ 23
Usina Hidreletrica Jaguara [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | Aug. 2013
Installed capacity (MW) | MW | 424,000,000
Net balance of assets based on historical cost | R$ 40
Net balance of assets based on fair value (replacement cost) | R$ 174
Usina Hidreletrica Sao Simao [Member] |
IfrsStatementLineItems [Line Items] |
Concession expiration date | Jan. 2015
Installed capacity (MW) | MW | 1,710,000,000
Net balance of assets based on historical cost | R$ 2
Net balance of assets based on fair value (replacement cost) | R$ 3

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