XML 76 R55.htm IDEA: XBRL DOCUMENT
v3.25.1

Investments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Investments |
Schedule of Percentage of the Company's Equity Interest |
| Control | Dec. 31, 2024 |  | Dec. 31, 2023
Cemig Geração e Transmissão | Controlled | - |  | -
Guanhães Energia S.A. ("Guanhães Energia") (1) | Jointly controlled | 172 |  | 222
Hidrelétrica Cachoeirão S.A. ("Hidrelétrica Cachoeirão") | Jointly controlled | 45 |  | 47
Hidrelétrica Pipoca S.A. ("Hidrelétrica Pipoca") | Jointly controlled | 54 |  | 47
Aliança Norte Participações S.A. ("Aliança Norte") (2) | Jointly controlled | 419 |  | 536
Aliança Geração de Energia S.A. ("Aliança Geração") (3) | Jointly controlled | - |  | 1,172
Amazônia Energia Participações S.A. ("Amazônia Energia") (2) | Jointly controlled | 697 |  | 819
Paracambi Energética S.A. ("Paracambi") (former Lightger) | Jointly controlled | 105 |  | 112
Transmissora Aliança de Energia Elétrica S.A. ("Taesa") | Jointly controlled | 1,615 |  | 1,565
Cemig Sim | Controlled |  |  |
UFVs (4) | Jointly controlled | 114 |  | 112
Total |  | 3,221 |  | 4,632
(1) | On September 19, 2023, the Extraordinary General Meeting of Guanhães Energia approved the reduction of share capital in the amount of R$235, of which R$137 was destined for absorbing losses and R$98 for restitution to shareholders. Cemig GT's share corresponds to R$48 was received in 2024.
(2) | Indirect interest in the Belo Monte plant through these investees.
(3) | On August 13, 2024, the process of sale of the interest to Vale S.A. was completed. For more information, please see Note 31.
(4) | Set of photovoltaics business, in which the investee Cemig Sim has an interest.
Schedule of Changes in Dividends Receivable | Movement in Dividends receivable
Balances at December 31, 2021 | 335
Dividends proposed by investees | 519
Amounts received | (708)
Balances at December 31, 2022 | 146
Dividends proposed by investees | 496
Amounts received | (592)
Balances at December 31, 2023 | 50
Dividends proposed by investees | 423
Withholding income tax on Interest on equity | (13)
Amounts received | (349)
Balances at December 31, 2024 | 111
Schedule of Subsidiaries and Jointly Controlled Entities Percentage by the Company's Ownership Interest | Main information on the subsidiaries, jointly controlled entities and affiliates not adjusted for the percentage represented by the Company’s ownership interest:
Investee | Numbers of shares | Dec. 31, 2024 | Dec. 31, 2023
Cemig interest (%) | Share capital | Equity | Cemig interest (%) | Share capital | Equity
Cemig Geração e Transmissão | 2,896,785,358 | 100.00 | 5,474 | 11,665 | 100.00 | 5,474 | 8,893
Hidrelétrica Cachoeirão | 35,000,000 | 49.00 | 35 | 96 | 49.00 | 35 | 96
Guanhães Energia | 548,626,000 | 49.00 | 549 | 419 | 49.00 | 549 | 373
Hidrelétrica Pipoca | 41,360,000 | 49.00 | 41 | 97 | 49.00 | 41 | 95
Parajuru | 35,000,000 | 100.00 | 35 | 107 | 100.00 | 86 | 158
Volta do Rio | 160,000,000 | 100.00 | 160 | 200 | 100.00 | 275 | 248
Paracambi | 79,078,937 | 49.00 | 57 | 83 | 49.00 | 79 | 123
Aliança Norte | 42,028,825,151 | 49.00 | 1,210 | 1,007 | 49.00 | 1,210 | 1,084
Amazônia Energia (1) | 1,323,819,670 | 74.50 | 1,323 | 1,099 | 74.50 | 1,323 | 1,189
UFV Boa Esperança (2) | 402,296,837 | 100.00 | 402 | 405 | 100.00 | - | -
Cemig Geração Itutinga | 151,309,332 | 100.00 | 148 | 284 | 100.00 | 151 | 231
Cemig Geração Camargos | 113,499,102 | 100.00 | 101 | 200 | 100.00 | 113 | 183
Cemig Geração Sul | 148,146,505 | 100.00 | 61 | 163 | 100.00 | 148 | 252
Cemig Geração Leste | 100,568,929 | 100.00 | 51 | 91 | 100.00 | 101 | 168
Cemig Geração Oeste | 60,595,484 | 100.00 | 7 | 101 | 100.00 | 61 | 126
Rosal Energia | 46,944,467 | 100.00 | 47 | 109 | 100.00 | 47 | 123
Sá Carvalho | 361,200,000 | 100.00 | 37 | 97 | 100.00 | 37 | 138
Horizontes Energia | 10,000,000 | 100.00 | 4 | 13 | 100.00 | 39 | 61
Cemig PCH | 6,000,000 | 100.00 | 6 | 48 | 100.00 | 46 | 99
Cemig Geração Poço Fundo | 159,084,895 | 100.00 | 159 | 162 | 100.00 | 139 | 172
Empresa de Serviços de Comercialização de Energia Elétrica S.A. | 3,000,000 | 100.00 | 3 | 21 | 100.00 | - | 11
Cemig Trading | 4,000,000 | 100.00 | 4 | 6 | 100.00 | 1 | 6
Centroeste | 28,000,000 | 100.00 | 28 | 135 | 100.00 | 28 | 120
UFV Três Marias | 6,887,499 | 100.00 | 35 | 38 | 100.00 | - | -
Cemig Distribuição | 2,359,113,452 | 100.00 | 6,964 | 11,281 | 100.00 | 5,372 | 7,105
Taesa | 1,033,496,721 | 21.68 | 3,042 | 6,679 | 21.68 | 3,042 | 6,570
Gasmig | 306,941,598 | 99.57 | 665 | 1,231 | 99.57 | 665 | 1,373
Cemig Sim | 657,647,242 | 100.00 | 658 | 755 | 100.00 | 175 | 199
Sete Lagoas | 36,857,080 | 100.00 | 51 | 91 | 100.00 | 37 | 73
(1) | Indirect participation in Belo Monte Plant through this investee.
(2) | On October 29, 2024 an EGM approved change of the name of Cemig Baguari S.A. to UFV Boa Esperança S.A.
Schedule of Acquisition of Equity Interests | The main balances for the affiliated and jointly controlled entities on December 31, 2024
2024 | Taesa |  | Paracambi |  | Hidrelétrica Cachoeirão |  | Hidrelétrica Pipoca
Assets |  |  |  |  |  |  |
Current | 2,316 |  | 12 |  | 11 |  | 21
Cash and cash equivalents | 608 |  | 4 |  | 5 |  | 15
Non-current | 16,266 |  | 95 |  | 84 |  | 94
Total assets | 18,582 |  | 107 |  | 95 |  | 115
Liabilities |  |  |  |  |  |  |
Current | 1,984 |  | 11 |  | 3 |  | 4
Loans | 4 |  | 9 |  | - |  | 1
Non-current | 9,353 |  | 22 |  | - |  | -
Loans | 95 |  | 22 |  | - |  | -
Equity | 7,246 |  | 74 |  | 92 |  | 110
Total liabilities and equity | 18,583 |  | 107 |  | 95 |  | 114
Statement of income |  |  |  |  |  |  |
Net sales revenue | 2,227 |  | 63 |  | 37 |  | 45
Cost of sales | 463 |  | 13 |  | 25 |  | 1
Depreciation and amortization | 4 |  | 4 |  | - |  | 4
Gross income (loss) | 2,690 |  | 76 |  | 62 |  | 46
General and administrative expenses | 273 |  | 2 |  | - |  | 2
Finance income | 426 |  | 2 |  | 1 |  | -
Finance expenses | 1,742 |  | 3 |  | - |  | -
Operational income (loss) | 5,131 |  | 83 |  | 63 |  | 48
Share of (loss) income, net, of subsidiaries and joint ventures | 1,212 |  | - |  | - |  | -
Income tax and social contribution tax | 312 |  | 3 |  | - |  | 2
Net income (loss) for the year | 6,655 |  | 86 |  | 63 |  | 50
Net income (loss) for the year | 6,655 |  | 86 |  | 63 |  | 50
Comprehensive income (loss) for the year | 6,655 |  | 86 |  | 63 |  | 50
2024 | Aliança Norte |  | Guanhães Energia |  | Amazônia Energia
Assets |  |  |  |  |
Current | 1 |  | 24 |  | -
Cash and cash equivalents | 1 |  | 9 |  | -
Non-current | 907 |  | 356 |  | 991
Total assets | 908 |  | 380 |  | 991
Liabilities |  |  |  |  |
Current | - |  | 16 |  | -
Loans | - |  | - |  | -
Non-current | 9 |  | 13 |  | 1
Loans | - |  | - |  | -
Equity | 899 |  | 352 |  | 98
Total liabilities and equity | 908 |  | 381 |  | 99
Statement of income |  |  |  |  |
Net sales revenue | - |  | - |  | 117
Cost of sales | - |  | - |  | -
Depreciation and amortization | - |  | - |  | -
Gross income (loss) | - |  | - |  | 117
General and administrative expenses | 109 |  | - |  | 1
Finance income | - |  | 1 |  | -
Finance expenses | - |  | - |  | -
Operational income (loss) | 109 |  | 1 |  | 118
Share of (loss) income, net, of subsidiaries and joint ventures | - |  | 23 |  | -
Income tax and social contribution tax | - |  | - |  | -
Net income (loss) for the year | 109 |  | 24 |  | 118
Net income (loss) for the year | 109 |  | 24 |  | 118
Comprehensive income (loss) for the year | 109 |  | 24 |  | 118
The main balances for the affiliated and jointly controlled entities on December 31, 2023
2023 | Taesa |  | Paracambi (formely Lightger) |  | Hidrelétrica Cachoeirão |  | Hidrelétrica Pipoca |  | Aliança Norte (1)
Assets |  |  |  |  |  |  |  |  |
Current | 2,745 |  | 24 |  | 11 |  | 11 |  | -
Cash and cash equivalents | 1,144 |  | 17 |  | 7 |  | 6 |  | -
Non-current | 14,833 |  | 100 |  | 86 |  | 95 |  | 1,015
Total assets | 17,578 |  | 124 |  | 97 |  | 106 |  | 1,015
Liabilities |  |  |  |  |  |  |  |  |
Current | 1,617 |  | 11 |  | 7 |  | 8 |  | -
Loans | - |  | 9 |  | - |  | 7 |  | -
Non-current | 9,282 |  | 30 |  | - |  | 1 |  | 8
Loans | 368 |  | 30 |  | - |  | 1 |  | -
Equity | 6,679 |  | 83 |  | 90 |  | 97 |  | 1,007
Total liabilities and equity | 17,578 |  | 124 |  | 97 |  | 106 |  | 1,015
Statement of income |  |  |  |  |  |  |  |  |
Net sales revenue | 1,345 |  | 60 |  | 38 |  | 46 |  | -
Cost of sales | (196) |  | (16) |  | (15) |  | (12) |  | -
Depreciation and amortization | (6) |  | (12) |  | (4) |  | (4) |  | -
Gross income (loss) | 1,149 |  | 44 |  | 23 |  | 34 |  | -
General and administrative expenses | (179) |  | (2) |  | - |  | (1) |  | (77)
Finance income | 370 |  | 7 |  | 3 |  | 3 |  | -
Finance expenses | (1,623) |  | (4) |  | - |  | (1) |  | -
Operational income (loss) | (283) |  | 45 |  | 26 |  | 35 |  | (77)
Share of (loss) income, net, of subsidiaries and joint ventures | 1,181 |  | — |  | — |  | - |  | -
Income tax and social contribution tax | 470 |  | (4) |  | (2) |  | (3) |  | -
Net income (loss) for the year | 1,368 |  | 41 |  | 24 |  | 32 |  | (77)
Comprehensive income (loss) for the year |  |  |  |  |  |  |  |  |
Net income (loss) for the year | 1,368 |  | 41 |  | 24 |  | 32 |  | (77)
Comprehensive income (loss) for the year | 1,368 |  | 41 |  | 24 |  | 32 |  | (77)
(1) | At the year ended December 31, 2023, Company has assessed all relevant aspects related to going concern and no triggers of impairment were found.
2023 | Guanhães Energia |  | Amazônia Energia |  | Aliança Geração |  | Usina Hidrelétrica Itaocara S.A.
Assets |  |  |  |  |  |  |
Current | 1,534 |  | - |  | 583 |  | 3
Cash and cash equivalents | 112 |  | - |  | 348 |  | 3
Non-current | 4,735 |  | 1,108 |  | 3,701 |  | 12
Total assets | 6,269 |  | 1,108 |  | 4,284 |  | 15
Liabilities |  |  |  |  |  |  |
Current | 143 |  | 8 |  | 829 |  | -
Loans | 69 |  | - |  | 180 |  | -
Non-current | 1,151 |  | - |  | 1,767 |  | -
Loans | 941 |  | - |  | 993 |  | -
Equity | 4,975 |  | 1,100 |  | 1,688 |  | 15
Total liabilities and equity | 6,269 |  | 1,108 |  | 4,284 |  | 15
Statement of income |  |  |  |  |  |  |
Net sales revenue | 60 |  | - |  | 1,149 |  | -
Cost of sales | (39) |  | - |  | (472) |  | (1)
Depreciation and amortization | (21) |  | - |  | (131) |  | -
Gross income (loss) | 21 |  | - |  | 677 |  | (1)
General and administrative expenses | - |  | - |  | (51) |  | -
Finance income | 15 |  | - |  | 50 |  | -
Finance expenses | (10) |  | - |  | (171) |  | -
Operational income (loss) | 26 |  | - |  | 505 |  | (1)
Share of (loss) income, net, of subsidiaries and joint ventures | - |  | (83) |  | 23 |  | -
Income tax and social contribution tax | (7) |  |  |  | (170) |  | -
Net income (loss) for the year | 19 |  | (83) |  | 358 |  | (1)
Comprehensive income (loss) for the year |  |  |  |  |  |  |
Net income (loss) for the year | 19 |  | (83) |  | 358 |  | (1)
Comprehensive income (loss) for the year | 19 |  | (83) |  | 358 |  | (1)
The main balances for the affiliated and jointly controlled entities on December 31, 2022
2022 | Taesa |  | Paracambi (formely Lightger) |  | Hidrelétrica Cachoeirão |  | Hidrelétrica Pipoca |  | Retiro Baixo
Assets |  |  |  |  |  |  |  |  |
Current | 2,261 |  | 63 |  | 15 |  | 20 |  | 63
Cash and cash equivalents | 760 |  | 60 |  | 11 |  | 14 |  | 49
Non-current | 13,198 |  | 109 |  | 91 |  | 98 |  | 338
Total assets | 15,459 |  | 172 |  | 106 |  | 118 |  | 401
Liabilities |  |  |  |  |  |  |  |  |
Current | 817 |  | 11 |  | 1 |  | 8 |  | 25
Loans | 1,957 |  | 9 |  | - |  | 7 |  | 14
Non-current | 8,045 |  | 38 |  | 1 |  | 7 |  | 45
Loans | 372 |  | 38 |  | - |  | 7 |  | 28
Equity | 6,597 |  | 123 |  | 104 |  | 103 |  | 331
Total liabilities and equity | 15,459 |  | 172 |  | 106 |  | 118 |  | 401
Statement of income |  |  |  |  |  |  |  |  |
Net sales revenue | 1,621 |  | 62 |  | 43 |  | 45 |  | 77
Cost of sales | (176) |  | (17) |  | (12) |  | (10) |  | (4)
Depreciation and amortization | (9) |  | (12) |  | (3) |  | - |  | (9)
Gross income (loss) | 1,445 |  | 45 |  | 31 |  | 35 |  | 73
General and administrative expenses | (197) |  | (2) |  | - |  | (1) |  | (3)
Finance income | 652 |  | 6 |  | 4 |  | 3 |  | 10
Finance expenses | (1,700) |  | (4) |  | - |  | (1) |  | (5)
Operational income (loss) | 200 |  | 45 |  | 35 |  | 36 |  | 75
Share of (loss) income, net, of subsidiaries and joint ventures | 925 |  | - |  | - |  | - |  | -
Income tax and social contribution tax | 324 |  | (4) |  | (3) |  | (3) |  | (26)
Net income (loss) for the year | 1,449 |  | 41 |  | 32 |  | 33 |  | 49
Comprehensive income (loss) for the year |  |  |  |  |  |  |  |  |
Net income (loss) for the year | 1,449 |  | 41 |  | 32 |  | 33 |  | 49
Comprehensive income (loss) for the year | 1,449 |  | 41 |  | 32 |  | 33 |  | 49
2022 | Aliança Norte |  | Guanhães Energia |  | Amazônia Energia |  | Madeira Energia |  | Baguari Energia
Assets |  |  |  |  |  |  |  |  |
Current | - |  | 132 |  | - |  | 1,819 |  | 83
Cash and cash equivalents | - |  | 3 |  | - |  | 924 |  | 10
Non-current | 1,092 |  | 376 |  | 1,191 |  | 20,953 |  | 205
Total assets | 1,092 |  | 508 |  | 1,191 |  | 22,772 |  | 288
Liabilities |  |  |  |  |  |  |  |  |
Current | - |  | 38 |  | 2 |  | 2,571 |  | 25
Loans | - |  | 12 |  | - |  | 655 |  | -
Non-current | 8 |  | 97 |  | - |  | 19,972 |  | 24
Loans | - |  | 80 |  | - |  | 13,546 |  | -
Equity | 1,084 |  | 373 |  | 1,189 |  | 229 |  | 239
Total liabilities and equity | 1,092 |  | 508 |  | 1,191 |  | 22,772 |  | 288
Statement of income |  |  |  |  |  |  |  |  |
Net sales revenue | - |  | 57 |  | - |  | 4,137 |  | 81
Cost of sales | - |  | (45) |  | - |  | (3,451) |  | (31)
Depreciation and amortization | - |  | (16) |  | - |  | - |  | (10)
Gross income (loss) | - |  | 12 |  | - |  | 686 |  | 50
General and administrative expenses | (65) |  | - |  | - |  | (150) |  | -
Finance income | - |  | 90 |  | - |  | 361 |  | 10
Finance expenses | - |  | (11) |  | - |  | (3,521) |  | -
Operational income (loss) | (65) |  | 91 |  | - |  | (2,624) |  | 60
Share of (loss) income, net, of subsidiaries and joint ventures | - |  | - |  | (63) |  | - |  | -
Income tax and social contribution tax | - |  | (32) |  | - |  | (222) |  | (20)
Net income (loss) for the year | (65) |  | 59 |  | (63) |  | (2,846) |  | 40
Comprehensive income (loss) for the year |  |  |  |  |  |  |  |  |
Net income (loss) for the year | (65) |  | 59 |  | (63) |  | (2,846) |  | 40
Comprehensive income (loss) for the year | (65) |  | 59 |  | (63) |  | (2,846) |  | 40
2022 | Aliança Geração |  | Usina Hidrelétrica Itaocara S.A. |  | UFV Janaúba |  | UFV Corinto |  | UFV Manga
Assets |  |  |  |  |  |  |  |  |
Current | 724 |  | 4 |  | 4 |  | 2 |  | 2
Cash and cash equivalents | 449 |  | 4 |  | 3 |  | 1 |  | 1
Non-current | 3,468 |  | 11 |  | 17 |  | 17 |  | 20
Total assets | 4,192 |  | 15 |  | 21 |  | 19 |  | 22
Liabilities |  |  |  |  |  |  |  |  |
Current | 383 |  | - |  | 2 |  | - |  | -
Loans | 136 |  | - |  | 2 |  | - |  | -
Non-current | 1,489 |  | - |  | 12 |  | 1 |  | 1
Loans | 713 |  | - |  | 11 |  | - |  | -
Equity | 2,320 |  | 15 |  | 7 |  | 18 |  | 21
Total liabilities and equity | 4,192 |  | 15 |  | 21 |  | 19 |  | 22
Statement of income |  |  |  |  |  |  |  |  |
Net sales revenue | 1,109 |  | - |  | - |  | 6 |  | 7
Cost of sales | (608) |  | - |  | 5 |  | (1) |  | (1)
Depreciation and amortization | (124) |  | - |  | (1) |  | - |  | -
Gross income (loss) | 501 |  | - |  | 5 |  | 5 |  | 6
General and administrative expenses | (43) |  | - |  | - |  | - |  | -
Finance income | 61 |  | - |  | - |  | - |  | -
Finance expenses | (109) |  | (7) |  | (1) |  | - |  | -
Operational income (loss) | 410 |  | (7) |  | 4 |  | 5 |  | 6
Share of (loss) income, net, of subsidiaries and joint ventures | 11 |  | - |  | - |  | - |  | -
Income tax and social contribution tax | (139) |  | - |  | (1) |  | (1) |  | (1)
Net income (loss) for the year | 282 |  | (7) |  | 3 |  | 4 |  | 5
Comprehensive income (loss) for the year |  |  |  |  |  |  |  |  |
Net income (loss) for the year | 282 |  | (7) |  | 3 |  | 4 |  | 5
Comprehensive income (loss) for the year | 282 |  | (7) |  | 3 |  | 4 |  | 5
2022 | UFV Bonfinópolis II |  | UFV Lagoa Grande |  | UFV Lontra |  | UFV Olaria 1 |  | UFV Mato Verde |  | UFV Mirabela
Assets |  |  |  |  |  |  |  |  |  |  |
Current | 2 |  | 3 |  | 4 |  | 1 |  | 1 |  | 1
Cash and cash equivalents | 1 |  | 1 |  | 2 |  | 1 |  | 1 |  | —
Non-current | 12 |  | 23 |  | 27 |  | 13 |  | 11 |  | 9
Total assets | 14 |  | 26 |  | 31 |  | 14 |  | 12 |  | 10
Liabilities |  |  |  |  |  |  |  |  |  |  |
Current | - |  | - |  | 1 |  | - |  | - |  | -
Loans | - |  | - |  | - |  | - |  | - |  | -
Non-current | 1 |  | 1 |  | 1 |  | 1 |  | - |  | -
Loans | - |  | - |  | - |  | 1 |  | - |  | -
Equity | 13 |  | 25 |  | 29 |  | 13 |  | 12 |  | 10
Total liabilities and equity | 14 |  | 26 |  | 31 |  | 14 |  | 12 |  | 10
Statement of income |  |  |  |  |  |  |  |  |  |  |
Net sales revenue | - |  | 8 |  | 10 |  | 2 |  | 4 |  | 3
Cost of sales | (1) |  | (1) |  | (1) |  | (1) |  | (1) |  | (1)
Depreciation and amortization | - |  | - |  | - |  | (1) |  | - |  | -
Gross income (loss) | (1) |  | 7 |  | 9 |  | 1 |  | 3 |  | 2
General and administrative expenses | - |  | - |  | - |  | - |  | - |  | -
Finance income | 1 |  | - |  | - |  | - |  | - |  | -
Finance expenses | - |  | - |  | - |  | - |  | - |  | -
Operational income (loss) | - |  | 7 |  | 9 |  | 1 |  | 3 |  | 2
Share of (loss) income, net, of subsidiaries and joint ventures | - |  | - |  | - |  | - |  | - |  | -
Income tax and social contribution tax | 3 |  | (1) |  | (1) |  | - |  | - |  | -
Net income (loss) for the year | 3 |  | 6 |  | 8 |  | 1 |  | 3 |  | 2
Comprehensive income (loss) for the year |  |  |  |  |  |  |  |  |  |  |
Net income (loss) for the year | 3 |  | 6 |  | 8 |  | 1 |  | 3 |  | 2
Comprehensive income (loss) for the year | 3 |  | 6 |  | 8 |  | 1 |  | 3 |  | 2
2022 | UFV Porteirinha I |  | UFV Porteirinha II |  | UFV Brasilândia |  | UFV Apolo 1 |  | UFV Campo Lindo 1 |  | UFV Campo Lindo 2
Assets |  |  |  |  |  |  |  |  |  |  |
Current | 1 |  | 2 |  | 3 |  | 1 |  | 1 |  | 1
Cash and cash equivalents | - |  | 1 |  | 2 |  | - |  | - |  | 1
Non-current | 11 |  | 11 |  | 28 |  | 8 |  | 13 |  | 13
Total assets | 12 |  | 13 |  | 31 |  | 9 |  | 14 |  | 14
Liabilities |  |  |  |  |  |  |  |  |  |  |
Current | - |  | - |  | 4 |  | - |  | - |  | -
Loans | - |  | - |  | - |  | - |  | - |  | -
Non-current | 1 |  | 1 |  | 1 |  | - |  | 1 |  | 1
Loans | 1 |  | - |  | 3 |  | - |  | 1 |  | 1
Equity | 11 |  | 12 |  | 26 |  | 9 |  | 13 |  | 13
Total liabilities and equity | 12 |  | 13 |  | 31 |  | 9 |  | 14 |  | 14
Statement of income |  |  |  |  |  |  |  |  |  |  |
Net sales revenue | 4 |  | 4 |  | 8 |  | 2 |  | 3 |  | 2
Cost of sales | (1) |  | (1) |  | (2) |  | (1) |  | (1) |  | (1)
Depreciation and amortization | - |  | - |  | - |  | - |  | (1) |  | (1)
Gross income (loss) | 3 |  | 3 |  | 6 |  | 1 |  | 2 |  | 1
General and administrative expenses | - |  | - |  | - |  | - |  | - |  | -
Finance income | - |  | - |  | 1 |  | - |  | - |  | -
Finance expenses | - |  | - |  | - |  | - |  | - |  | -
Operational income (loss) | 3 |  | 3 |  | 7 |  | 1 |  | 2 |  | 1
Share of (loss) income, net, of subsidiaries and joint ventures | - |  | - |  | - |  | - |  | - |  | -
Income tax and social contribution tax | - |  | - |  | (1) |  | - |  | - |  | -
Net income (loss) for the year | 3 |  | 3 |  | 6 |  | 1 |  | 2 |  | 1
Comprehensive income (loss) for the year |  |  |  |  |  |  |  |  |  |  |
Net income (loss) for the year | 3 |  | 3 |  | 6 |  | 1 |  | 2 |  | 1
Comprehensive income (loss) for the year | 3 |  | 3 |  | 6 |  | 1 |  | 2 |  | 1
Schedule of Measurements of Fair Value of Assets and Liabilities | The value of the acquisition was R$40 and the accounting effects are presented below.
Acquisition cost | Jequitibá II photovoltaic plant
Equity value | 45
Added value (fair value – book value) | 5
Fair value of net assets | 50
Advantageous purchase | (10)
Total value of the consideration | 40
The value of the acquisition was R$43 and the accounting effects are presented below.
Acquisition cost | Jequitibá I photovoltaic plant
Equity value | 44
Added value (fair value – book value) | 3
Fair value of net assets | 47
Advantageous purchase | (4)
Total value of the consideration | 43
Schedule of Fair Value Off the Contingent Consideration | The summary of the measurement at fair value of the assets and liabilities acquired is as follows:
Assets | Fair value on acquisition date |  | Liabilities | Fair value on acquisition date
Non-current | 55 |  | Non-current | 5
PP&E | 43 |  | Other liabilities | 5
Intangible | 7 |  |  |
Operating rights | 5 |  |  |
|  |  | Total net assets at fair value | 50
Assets | Fair value on acquisition date | Liabilities | Fair value on acquisition date
Non-current | 53 | Non-current | 6
PP&E | 44 | Other liabilities | 6
Intangible | 6 |  |
Operating rights | 3 |  |
|  | Total net assets at fair value | 47

X
- Definition Disclosure Of Changes In Dividends Receivable Explanatory + References No definition available. + Details
Name: | cig_DisclosureOfChangesInDividendsReceivableExplanatory
Namespace Prefix: | cig_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Fair Value Of Interest Acquired And Remeasurement Of Previous Equity Interest In Subsidiaries Explanatory + References No definition available. + Details
Name: | cig_DisclosureOfFairValueOfInterestAcquiredAndRemeasurementOfPreviousEquityInterestInSubsidiariesExplanatory
Namespace Prefix: | cig_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Financial Information Of Equity Investees Explanatory + References No definition available. + Details
Name: | cig_DisclosureOfFinancialInformationOfEquityInvesteesExplanatory
Namespace Prefix: | cig_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Investments In Subsidiaries Joint Ventures And Associates Not Adjusted With Percentage Of Company Ownership Interest Explanatory + References No definition available. + Details
Name: | cig_DisclosureOfInvestmentsInSubsidiariesJointVenturesAndAssociatesNotAdjustedWithPercentageOfCompanyOwnershipInterestExplanatory
Namespace Prefix: | cig_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Measurements Of Fair Value Of Assets And Liabilities Table Text Block + References No definition available. + Details
Name: | cig_ScheduleOfMeasurementsOfFairValueOfAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | cig_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for interests in other entities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 1 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_1&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration