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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

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