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16. INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of detailed information about investment property [abstract]

Schedule of percentage of the company's equity interest

		Control				2020				2019
Hidrelétrica Cachoeirão			Jointly-controlled				53				54
Guanhães Energia			Jointly-controlled				131				131
Hidrelétrica Pipoca			Jointly-controlled				36				31
Retiro Baixo			Jointly-controlled				195				180
Aliança Norte (Belo Monte plant)			Jointly-controlled				631				671
Amazônia Energia (Belo Monte plant)			Jointly-controlled				965				1,028
Madeira Energia (Santo Antônio plant)			Affiliated				209				167
FIP Melbourne (Santo Antônio plant)			Affiliated				158				385
Lightger			Jointly-controlled				131				128
Baguari Energia			Jointly-controlled				159				157
Aliança Geração			Jointly-controlled				1,167				1,192
Taesa			Jointly-controlled				1,467				1,213
Ativas Data Center			Affiliated				17				16
UFV Janaúba Geração de Energia Elétrica Distribuída			Jointly-controlled				10				10
UFV Manga Geração de Energia Elétrica Distribuída			Jointly-controlled				11				—
UFV Corinto Geração de Energia Elétrica S.A.			Jointly-controlled				10				—
UFV Bonfinópolis Geração de Energia Elétrica Distribuída			Jointly-controlled				6				—
UFV Lagoa Grande Geração de Energia Elétrica Distribuída			Jointly-controlled				15				—
UFV Lontra Geração de Energia Elétrica Distribuída			Jointly-controlled				17				—
UFV Mato Verde Geração de Energia Elétrica Distribuída			Jointly-controlled				6				—
UFV Mirabela Geração de Energia Elétrica Distribuída			Jointly-controlled				4				—
UFV Porteirinha I Geração de Energia Elétrica Distribuída			Jointly-controlled				6				—
UFV Porteirinha II Geração de Energia Elétrica Distribuída			Jointly-controlled				7				—
Companhia de Transmissão Centroeste de Minas			Subsidiary				—				24
Axxiom Soluções Tecnológicas			Jointly-controlled				4				13
Total of investments							5,415				5,400
Itaocara – equity deficit (1)			Jointly-controlled				(30	)			(22	)
Total							5,385				5,378

(1) On December 31, 2020 and 2019, the investee has negative net equity. Thus, after reducing the accounting value of its interest to zero, the Company recognized the provision for losses to the extent of its obligations, in the amount of R$30 (R$22 on December 31, 2019), resulting from contractual obligations assumed with the jointly-controlled entity and the other shareholders.

Schedule of allocation of acquisition price of jointly-controlled subsidiaries, a valuation was made of intangible assets relating to right to operate regulated activity

Changes in these assets are as follows:

Investees		2017				Additions				Amortization				Written  off				2018				Amortization				2019				Amortization				2020
Retiro Baixo			28				6				(2	)			—				32				(1	)			31				(1	)			30
Central Eólica Praias de Parajuru (1)			17				—				(2	)			(15	)			—				—				—				—				—
Central Eólica Volta do Rio (1)			11				—				(1	)			(10	)			—				—				—				—				—
Central Eólica Praias de Morgado (1)			24				—				(2	)			(22	)			—				—				—				—				—
Madeira Energia (Santo Antônio plant)			151				—				(6	)			(127	)			18				(1	)			17				(1	)			16
Lightger			—				84				—				—				84				(3	)			81				(3	)			78
Aliança Geração			403				—				(25	)			—				378				(25	)			353				(25	)			328
Aliança Norte (Belo Monte plant)			55				—				(2	)			—				53				(2	)			51				(2	)			49
Taesa			189				—				(9	)			—				180				(9	)			171				(8	)			163
Light			186				—				(20	)			(166	)			—				—				—				—				—
RME			44				20				(5	)			(59	)			—				—				—				—				—
Total			1,108				110				(74	)			(399	)			745				(41	)			704				(40	)			664

(1) As from 2018 the investees Central Eólica Praias de Parajuru and Central Eólica Volta do Rio are being consolidated.

Schedule of changes in investments in subsidiaries jointly controlled entities and affiliates

Investee		2019				Gain (loss) by equity method (Income statement) (3)				Remeasurement of previously held equity interest in subsidiaries acquired  (step-acquisition)				Dividends				Additions / acquisitions				Others				Disposals				2020
Companhia de Transmissão Centroeste de Minas			24				—				37				—				45				14				(120	)			—
Hidrelétrica Cachoeirão			54				9				—				(10	)			—				—				—				53
Guanhães Energia (1)			131				—				—				—				—				—				—				131
Hidrelétrica Pipoca			31				11				—				(6	)			—				—				—				36
Madeira Energia (Santo Antônio plant)			167				42				—				—				—				—				—				209
FIP Melbourne (Santo Antônio plant)			385				(227	)			—				—				—				—				—				158
Lightger (1)			128				10				—				(7	)			—				—				—				131
Baguari Energia			157				23				—				(21	)			—				—				—				159
Amazônia Energia (Belo Monte plant)			1,028				(63	)			—				—				—				—				—				965
Aliança Norte (Belo Monte plant)			671				(40	)			—				—				—				—				—				631
Ativas Data Center			16				1				—				—				—				—				—				17
Taesa			1,213				494				—				(240	)			—				—				—				1,467
Aliança Geração			1,192				89				—				(114	)			—				—				—				1,167
Retiro Baixo			180				15				—				—				—				—				—				195
UFV Janaúba Geração de Energia Elétrica Distribuída			10				1				—				(1	)			—				—				—				10
UFV Corinto Geração de Energia Elétrica Distribuída			—				1				—				—				9				—				—				10
UFV Manga Geração de Energia Elétrica Distribuída			—				1				—				—				10				—				—				11
UFV Bonfinópolis II Geração de Energia Elétrica Distribuída			—				—				—				—				6				—				—				6
UFV Lagoa Grande Geração de Energia Elétrica Distribuída			—				3				—				—				12				—				—				15
UFV Lontra Geração de Energia Elétrica Distribuída			—				3				—				—				14				—				—				17
UFV Mato Verde Geração de Energia Elétrica Distribuída			—				1				—				—				5				—				—				6
UFV Mirabela Geração de Energia Elétrica Distribuída			—				—				—				—				5				(1	)			—				4
UFV Porteirinha I Geração de Energia Elétrica Distribuída			—				—				—				—				6				—				—				6
UFV Porteirinha II Geração de Energia Elétrica Distribuída			—				1				—				—				6				—				—				7
Axxiom Soluções Tecnológicas (1)			13				(9	)			—				—				—				—				—				4
Total of investments			5,400				366				37				(399	)			118				13				(120	)			5,415
Itaocara – equity déficit (2)			(22	)			(9	)			—				—				1				—				—				(30	)
Total			5,378				357				37				(399	)			119				13				(120	)			5,385

(1) With the loss of control of Light, the remaining equity interest in these investees was recognized as an investment in affiliates or jointly-controlled subsidiaries, and measured by the equity method, in accordance with IFRS 10. More details see notes 1 and 33.

(2) On December 31, 2019, the investee had negative shareholders’ equity. Thus, after reducing the accounting value of its interest to zero, the Company recognized the provision for losses on investments, in the amount of R$22, resulting from contractual obligations assumed with the subsidiary and the other shareholders.

(3) Includes bargain purchase related to the acquisition of the joint-controlled entities UFV Corinto, UFV Manga, UFV Lagoa Grande, UFV Lontra, UFV Mato Verde and UFV Porteirinha II, in the amount of R$7.

Investee		2018				Gain (loss) by equity method (Income statement)				Remeasurement of equity interest held in subsidiaries after loss of control				Dividends				Additions / acquisitions				Others				2019
Companhia de Transmissão Centroeste de Minas			20				4				—				—				—				—				24
Axxiom Soluções Tecnológicas			—				—				4				—				9				—				13
Lightger			—				—				128				—				—				—				128
Guanhães Energia			—				—				131				—				—				—				131
Usina Hidrelétrica Itaocara S.A.			—				(50	)			5				—				23				22				—
Hidrelétrica Pipoca			31				4				—				(4	)			—				—				31
Madeira Energia (Santo Antônio plant)			270				(103	)			—				—				—				—				167
FIP Melbourne (Santo Antônio plant)			470				(85	)			—				—				—				—				385
Hidrelétrica Cachoeirão			49				11				—				(6	)			—				—				54
Baguari Energia			162				22				—				(27	)			—				—				157
Amazônia Energia (Belo Monte plant)			1,013				15				—				—				—				—				1,028
Aliança Norte (Belo Monte plant)			664				6				—				—				1				—				671
Ativas Data Center			16				—				—				—				—				—				16
Taesa			1,143				210				—				(141	)			—				1				1,213
Aliança Geração			1,217				78				—				(103	)			—				—				1,192
Retiro Baixo			171				12				—				(3	)			—				—				180
UFV Janaúba Geração de Energia Elétrica Distribuída			9				1				—				—				—				—				10
Total of investments			5,235				125				268				(284	)			33				23				5,400
Itaocara – equity deficit			—				—				—				—				—				(22	)			(22	)
Total			5,235				125				268				(284	)			33				1				5,378

(1) With the cessation of control of Light, the remaining equity interest in these investees was recognized as an investment in affiliates or jointly-controlled subsidiaries, and measured by the equity method, in accordance with IFRS 10. More details see notes 1 and 32.

(2) On December 31, 2019, the investee had negative shareholders’ equity. Thus, after reducing the accounting value of its interest to zero, the Company recognized the provision for losses on investments, in the amount of R$22, resulting from contractual obligations assumed with the subsidiary and the other shareholders.

Investee		2017				Gain (loss) by equity method (Income statement)				Remeasurement of previously held equity interest in subsidiaries acquired  (step-acquisition)				Dividends				Additions / acquisitions				Disposals				Reclassification to held for sale				Others				2018
Companhia de Transmissão Centroeste de Minas			21				5				—				(6	)			—				—				—				—				20
Light (1)			1,534				19				(231	)			(8	)			—				—				(1,255	)			(59	)			—
RME (1)			383				3				(52	)			(1	)			104				—				(326	)			(111	)			—
Axxiom Soluções Tecnológicas (1)			12				(7	)			—				—				—				—				(4	)			(1	)			—
Lightger (1)			41				3				84				(2	)			—				—				(126	)			—				—
Guanhães Energia (1)			25				30				—				—				57				—				(112	)			—				—
Usina Hidrelétrica Itaocara S.A. (!)			4				(4	)			—				—				5				—				(5	)			—				—
Hidrelétrica Pipoca			26				7				—				(2	)			—				—				—				—				31
Madeira Energia (Santo Antônio plant) (2) (4)			535				(163	)			—				—				25				—				—				(127	)			270
FIP Melbourne (Santo Antônio plant) (4)			582				(139	)			—				—				27				—				—				—				470
Hidrelétrica Cachoeirão			58				10				—				(19	)			—				—				—				—				49
Baguari Energia			148				28				—				(15	)			—				—				—				1				162
Central Eólica Praias de Parajuru (3)			60				(6	)			21				—				74				(3	)			—				(146	)			—
Central Eólica Volta do Rio (3)			68				(16	)			59				—				92				(22	)			—				(181	)			—
Central Eólica Praias de Morgado (3)			51				(15	)			—				—				—				(12	)			—				(24	)			—
Amazônia Energia (Belo Monte plant)			867				80				—				—				69				—				—				(3	)			1,013
Aliança Norte (Belo Monte plant)			577				44				—				—				43				—				—				—				664
Ativas Data Center			17				(1	)			—				—				—				—				—				—				16
Taesa (1)			1,101				225				—				(208	)			—				—				—				25				1,143
Renova			282				(282	)			—				—				—				—				—				—				—
Aliança Geração			1,242				65				—				(90	)			—				—				—				—				1,217
Retiro Baixo			158				10				—				(3	)			6				—				—				—				171
UFV Janaúba Geração de Energia Elétrica Distribuída			—				—				—				—				9				—				—				—				9
Total of investments			7,792				(104	)			(119	)			(354	)			511				(37	)			(1,828	)			(626	)			5,235

(1) Others arises from first adoption of the new accounting standards on January 1, 2018, recognized by the investees directly in equity without inclusion in the Income statement. The column Reclassification to ” held for sale” includes the effect of the reclassification of the investment in Light, Axxiom, Lightger, Guanhães and Itaocara to Non-current assets held for sale, in accordance with IFRS 5.

(2) Due to the result of analysis of impairment indication, due to the recurring losses incurred by Madeira, a provision was recognized for loss of part of the residual added value of the investment in Madeira, to limit its balance to the minimum value of the excess of future economic benefits arising from use of the net fixed asset on December, 31, 2018, using the nominal WACC of 9.59% as the discount rate. The provision is presented in the statement of income for the year ended December 31, 2018 as Impairment loss on Investments.

(3) Arising from the business combination between the Company and Energimp. The rights to exploitation of the regulated activity are classified in the consolidated statement of financial position under Intangible.

(4) In October 2018 the Company subscribed capital increases in Mesa and FIP Melbourne, of R$25 and R$26, respectively. These funds were entirely applied in capital contributions to Santo Antônio Energia S.A. (‘Saesa’ or ‘Santo Antônio Hydroelectric Plant’).

Schedule of changes in dividends receivable

Changes in dividends receivable are as follows:

		2020				2019
Opening balances			186				119
Dividends proposed by investees			399				285
Elimination of dividends due to business combination			(1	)			—
Dividends proposed by investee classified as held for sale			—				73
Adjustment of dividends proposed by investee classified as held for sale			(1	)			—
Withholding income tax on Interest on equity			(8	)			(8	)
Amounts received			(387	)			(283	)
Ending balances			188				186

Schedule of subsidiaries and jointly controlled entities percentage by the company's ownership interest

c) Main information on the subsidiaries, jointly-controlled entities and affiliates, not adjusted for the percentage represented by the Company’s ownership interest:

Investee		Number of shares				2020												2019												01/01/2019
						Cemig interest %				Share capital				Equity				Cemig interest %				Share capital				Equity				Cemig interest %				Share capital				Equity
Cemig Geração e Transmissão			2,896,785,358				100.00				4,000				5,842				100.00				2,600				5,348				100.00				2,600				5,125
Madeira Energia (Santo Antônio plant)			12,034,025,147				15.51				10,620				2,259				15.51				10,620				3,705				15.51				10,620				4,657
Hidrelétrica Cachoeirão			35,000,000				49.00				35				110				49.00				35				110				49.00				35				100
Guanhães Energia			548,626,000				49.00				549				268				49.00				549				268				49.00				396				228
Hidrelétrica Pipoca			41,360,000				49.00				41				73				49.00				41				63				49.00				41				63
Baguari Energia (1)			26,157,300,278				69.39				187				229				69.39				187				227				69.39				187				234
Central Eólica Praias de Parajuru			70,560,000				100.00				71				107				100.00				72				89				100.00				72				80
Central Eólica Volta do Rio			117,230,000				100.00				117				171				100.00				139				58				100.00				139				84
Lightger			79,078,937				49.00				79				106				49.00				79				95				49.00				79				86
Aliança Norte (Belo Monte plant)			41,923.360.811				49.00				1,209				1,189				49.00				1,208				1,266				49.00				1,206				1,247
Amazônia Energia (Belo Monte plant) (1)			1,322,597,723				74.50				1,323				1,296				74.50				1,323				1,380				74.50				1,322				1,359
Aliança Geração			1,291,500				45.00				1,291				1,858				45.00				1,291				1,858				45.00				1,291				1,858
Retiro Baixo			225,350,000				49.90				225				325				49.90				225				300				49.90				223				278
Renova (1) (2)			41,719,724				36.23				2,961				(1,108)				36.23				2,961				(1,130	)			36.23				2,919				(76	)
Usina Hidrelétrica Itaocara S.A.			71,708,500				49.00				72				(60	)			49.00				69				(45	)			49.00				22				10
Cemig Ger.Três Marias S.A.			1,291,423,369				100.00				1,291				1,452				100.00				1,291				1,408				100.00				1,291				1,396
Cemig Ger.Salto Grande S.A			405,267,607				100.00				405				455				100.00				405				446				100.00				405				440
Cemig Ger. Itutinga S.A.			151,309,332				100.00				151				180				100.00				151				184				100.00				151				179
Cemig Geração Camargos S.A.			113,499,102				100.00				113				144				100.00				113				136				100.00				113				132
Cemig Geração Sul S.A.			148,146,505				100.00				148				174				100.00				148				179				100.00				148				176
Cemig Geração Leste S.A.			100,568,929				100.00				101				127				100.00				101				127				100.00				101				121
Cemig Geração Oeste S.A.			60,595,484				100.00				61				84				100.00				61				73				100.00				61				70
Rosal Energia S.A.			46,944,467				100.00				47				127				100.00				47				128				100.00				47				125
Sá Carvalho S.A.			361,200,000				100.00				37				115				100.00				37				124				100.00				37				94
Horizontes Energia S.A.			39,257,563				100.00				39				55				100.00				39				57				100.00				39				55
Cemig PCH S.A.			45,952,000				100.00				46				90				100.00				46				98				100.00				46				93
Cemig Geração Poço Fundo S.A.			1,402,000				100.00				1				4				100.00				1				4				100.00				17				18
Empresa de Serviços de Comercialização de Energia Elétrica S.A.			486,000				100.00				—				57				100.00				—				28				100.00				—				27
Cemig Comercializadora de Energia Incentivada S.A. (3)			—				—				—				—				100.00				1				3				100.00				1				3
Cemig Trading S.A.			1,000,000				100.00				1				30				100.00				1				31				100.00				1				28
Cemig Distribuição			2,359,113,452				100.00				5,372				6,022				100.00				5,372				4,708				100.00				2,772				4,708
TAESA			1,033,496,721				21.68				3,042				6,026				21.68				3,042				4,927				21.68				3,042				4,572
Ativas Data Center			456,540,718				19.60				182				86				19.60				182				82				19.60				182				84
Gasmig			409,255,483				99.57				665				1,079				99.57				665				988				99.57				665				1,001
Cemig Geração Distribuída (4)			—				—				—				—				100.00				—				11				100.00				—				3
LEPSA			—				—				—				—				—				—				—				100.00				406				447
RME			—				—				—				—				—				—				—				100.00				403				423
Cemig Sim (Efficientia) (5)			24,431,845				100.00				24				94				100.00				15				17				100.00				15				18
Companhia de Transmissão Centroeste de Minas (6)			28,000,000				51.00				28				118				51.00				28				47				51.00				28				39
Axxiom Soluções Tecnológicas			65,165,000				49.00				65				9				49.00				58				27				49.00				47				17
UFV Janaúba Geração de Energia Elétrica Distribuída			18,509,900				49.00				19				22				—				—				—				—				—				—
UFV Corinto Geração de Energia Elétrica Distribuída			18,000,000				49.00				18				20				—				—				—				—				—				—
UFV Manga Geração de Energia Elétrica Distribuída			21,235,933				49.00				21				24				—				—				—				—				—				—
UFV Bonfinópolis Geração de Energia Elétrica Distribuída			13,197,187				49.00				13				13				—				—				—				—				—				—
UFV Lagoa Grande Geração de Energia Elétrica Distribuída			25,471,844				49.00				25				26				—				—				—				—				—				—
UFV Lontra Geração de Energia Elétrica Distribuída			29,010,219				49.00				29				29				—				—				—				—				—				—
UFV Mato Verde Geração de Energia Elétrica Distribuída			11,030,391				49.00				11				12				—				—				—				—				—				—
UFV Mirabela Geração de Energia Elétrica Distribuída			9,320,875				49.00				9				9				—				—				—				—				—				—
UFV Porteirinha I Geração de Energia Elétrica Distribuída			12,348,392				49.00				12				13				—				—				—				—				—				—
UFV Porteirinha II Geração de Energia Elétrica Distribuída			11,702,733				49.00				12				12				—				—				—				—				—				—

(1) Jointly-control under a Shareholders’ Agreement.

(2) In view of Renova’s negative net equity, the Company reduced to zero the carrying value of its equity interests in this investee, at December 31, 2018. Renova adjusted its equity interest in the joint-venture Brasil PCH and recognized adjustments in its financial statements related to shares in profits and losses arising from this investee from the year of 2018, which resulted in restatement of its financial statements of December 31, 2019.

(3) On October 1, 2020, Cemig GT completed the merger of its subsidiary Cemig Comercializadora de Energia Incentivada S.A., at book value, with consequent extinction of this investee, and the Cemig GT becoming its successor in all its assets, rights and obligations.

(4) On October 19, 2020, the Cemig Geração Distribuída was merged with the Company, at book value, with consequent extinction of this investee, and the Company becoming its successor in all its assets, rights and obligations.

(5) On April 14, 2020, the minute of the Annual General Meeting that decided about changes in this subsidiary’s By-laws was registered in the commercial registry authority, changing the name of this subsidiary to Cemig Soluções Inteligentes em Energia S.A.-CEMIG SIM.

(6) On January 13, 2020, the Company concluded acquisition of the equity interest of 49% of the share capital held by Eletrobras in Centroeste.

Schedule of direct and indirect equity interests

On December 31, 2020, the Company had indirect equity interests in the following investees:

		2020 and 2019 (1)
		Direct interest %					Indirect interest %
Amazônia			74.50	%			5.76	%
LightGer			49.00	%			11.52	%
Guanhães			49.00	%			11.52	%
Axxiom			49.00	%			11.52	%
UHE Itaocara			49.00	%			11.52	%

(1) After selling the shares held in Light, on January 22, 2021, the Company no longer holds the indirect interest above.

Schedule of summarized financial information of the company's equity investees

The main balances for the affiliated and jointly-controlled entities, at December 31, 2020, 2019 and 2018, are as follows:

2020		Hidrelétrica Itaocara S.A.				Ativas Data Center				Taesa				Axxiom Soluções Tecnológicas				Lightger				Hidrelétrica Cachoeirão
Assets
Current			3				39				2,360				20				103				30
Cash and cash equivalents			2				12				896				3				80				26
Non-current			10				104				11,745				21				129				80
Total assets			13				143				14,105				41				232				110
Liabilities
Current			73				39				841				25				72				2
Loans and financings – Current			—				27				121				7				9				—
Non-current			—				18				7,238				7				54				—
Loans and financings – Non-Current			—				16				923				1				54				—
Equity			(60	)			86				6,026				9				106				108
Total liabilities and equity			13				143				14,105				41				232				110
Statement of income
Net sales revenue			—				94				3,561				41				52				34
Cost of sales			(13	)			(78	)			(1,048	)			(38	)			(9	)			(15	)
Depreciation and amortization			—				(15	)			(7	)			(2	)			(11	)			(3	)
Gross profit (loss)			(13	)			16				2,513				3				43				19
General and administrative expenses			—				(8	)			(153	)			(5	)			(1	)			—
Finance income			—				—				39				—				2				1
Finance expenses			(5	)			(3	)			(514	)			(1	)			(16	)			—
Operational profit (loss)			(18	)			5				1,885				(3	)			28				20
Share of (loss) profit, net, of subsidiaries and joint ventures			—				—				834				—				—				—
Income tax and social contribution tax			—				(2	)			(456	)			—				(2	)			(1	)
Net income (loss) for the year			(18	)			3				2,263				(3	)			26				19
Comprehensive income (loss) for the year			(18	)			3				2,263				(3	)			26				19

2020						Hidrelétrica Pipoca				Retiro Baixo				Aliança Norte				Guanhães Energia				Amazônia Energia				Renova				Madeira Energia
Assets
Current							21				87				—				13				—				998			945
Cash and cash equivalents							8				74				—				6				—				29			263
Non-current							89				331				1,189				405				1,296				1,299			21,370
Total assets							110				418				1,189				418				1,296				2,297			22,315
Liabilities
Current							17				30				—				27				—				725			1,150
Loans and financings – Current							7				14				—				12				—				380			108
Non-current							20				63				—				123				—				2,680			18,906
Loans and financings – Non-Current							20				55				—				106				—				1,083			4,902
Equity							73				325				1,189				268				1,296				(1,108	)		2,259
Total liabilities and equity							110				418				1,189				418				1,296				2,297			22,315
Statement of income
Net sales revenue							33				73				—				49				—				70			3,200
Cost of sales							(6	)			(29	)			—				(36	)			—				(46	)		(2,720)
Depreciation and amortization							(3	)			(11	)			—				(17	)			—				(7	)		(869)
Gross profit (loss)							27				44				—				13				—				24			480
General and administrative expenses							(1	)			(4	)			(1	)			—				—				(122	)		(82)
Finance income							—				2				—				—				—				—			258
Finance expenses							(2	)			(6	)			—				(10	)			—				26			(2,112)
Operational profit (loss)							24				36				(1	)			3				—				(72	)		(1,456)
Share of (loss) profit, net, of subsidiaries and joint ventures							—				—				(77	)			—				(84	)			95			—
Income tax  and social contribution tax							(2	)			(3	)			—				(2	)			—				(1	)		10
Net income (loss) for the year							22				33				(78	)			1				(84	)			22			(1,446)
Comprehensive income (loss) for the year							22				33				(78	)			1				(84	)			22			(1,446)

2020						Baguari Energia				Aliança Geração				UFV Janaúba				UFV Corinto				UFV Manga				UFV Bonfinópolis II
Assets
Current							63				805				3				2				1				—
Cash and cash equivalents							10				385				2				1				—				—
Non-current							209				2,461				19				18				23				13
Total assets							272				3,266				22				20				24				13
Liabilities
Current							22				503				—				—				—				—
Loans and financings – Current							—				19				—				—				—
Non-current							21				905				—				1				2				—
Loans and financings – Non-Current							—				261				—				—				—				—
Equity							229				1,858				22				19				22				13
Total liabilities and equity							272				3,266				22				20				24				13
Statement of income
Net sales revenue							73				1,042				—				3				3				—
Cost of sales							(30	)			(580	)			3				—				—				—
Depreciation and amortization							(11	)			(154	)			(1	)			(1	)			(1	)			—
Gross profit (loss)							43				462				3				3				3				—
General and administrative expenses							5				(47	)			—				(1	)			(2	)			—
Finance income							2				28				—				—				—				—
Finance expenses							(1	)			(63	)			—				—				—				—
Operational profit (loss)							49				380				3				2				1				—
Share of (loss) profit, net, of subsidiaries and joint ventures							—				—				—				—				—				—
Income tax  and social contribution tax							(17	)			(126	)			—				—				—				—
Net income (loss) for the year							32				254				3				2				1				—
Comprehensive income (loss) for the year							32				254				3				2				1				—

2020		UFV Lagoa Grande				UFV Lontra				UFV Mato Verde				UFV Mirabela				UFV Porteirinha I				UFV Porteirinha II
Assets
Current			2				—				1				—				1				—
Cash and cash equivalents			1				—				—				—				—				—
Non-current			24				29				11				9				12				12
Total assets			26				29				12				9				13				12
Liabilities
Current			—				1				—				—				—				—
Non-current			—				1				—				—				—				—
Equity			26				27				12				9				13				12
Total liabilities and equity			26				29				12				9				13				12
Statement of income
Net sales revenue			2				—				—				1				—				—
Cost of sales			—				(1	)			—				—				—				—
Gross profit (loss)			2				(1	)			—				1				—				—
General and administrative expenses			(1	)			(1	)			—				—				—				(1	)
Operational profit (loss)			1				(2	)			—				1				—				(1	)
Income tax  and social contribution tax			—				—				—				—				—				1
Net income (loss) for the year			1				(2	)			—				1				—				—
Comprehensive income (loss) for the year			1				(2	)			—				1				—				—

2019		Centroeste				Ativas Data Center				Taesa				Axxiom Soluções Tecnológicas				Hidrelétrica Cachoeirão				Hidrelétrica Pipoca				Retiro Baixo				Aliança Norte
Assets
Current			29				33				3,568				34				35				11				68				1
Cash and cash equivalents			27				8				83				7				30				2				56				1
Non-current			35				107				7,662				26				82				89				343				1,266
Total assets			64				140				11,230				60				117				100				411				1,267
Liabilities
Current			6				24				996				28				7				11				34				1
Loans and financings – Current			3				13				10				8				—				7				14				—
Non-current			11				34				5,307				5				—				26				77				—
Loans and financings – Non-Current			8				31				4,159				—				—				26				68				—
Equity			47				82				4,927				27				110				63				300				1,266
Total liabilities and equity			64				140				11,230				60				117				100				411				1,267
Statement of income
Net sales revenue			17				83				1,795				53				38				30				70				—
Cost of sales			(5	)			(75	)			(574	)			(54	)			(17	)			(15	)			(30	)			—
Depreciation and amortization			(1	)			(18	)			(5	)			(2	)			(3	)			(3	)			(9	)			—
Gross profit (loss)			12				8				1,221				(1	)			21				15				40				—
General and administrative expenses			(2	)			(7	)			(122	)			(11	)			—				—				(4	)			(2	)
Finance income			2				—				97				—				1				—				3				—
Finance expenses			(2	)			(3	)			(356	)			(2	)			—				(3	)			(8	)			—
Operational profit (loss)			10				(2	)			840				(14	)			22				12				31				(2	)
Share of (loss) profit, net, of subsidiaries and joint ventures			—				—				306				—				—				—				—				19
Income tax and social contribution tax			(1	)			—				(144	)			5				(2	)			(1	)			(3	)			—
Net income (loss) for the year			9				(2	)			1,002				(9	)			20				11				28				17
											—
Comprehensive income (loss) for the year			9				(2	)			1,002				(9	)			20				11				28				17

2019		Amazônia Energia				Madeira Energia				Baguari Energia				Renova (restated)				Lightger				Guanhães Energia				Aliança Geração
Assets
Current			—				750				60				21				87				11				935
Cash and cash equivalents			—				78				9				5				69				5				435
Non-current			1,380				21,680				187				2,269				124				419				2,409
Total assets			1,380				22,430				247				2,330				211				430				3,344
																							—
Liabilities																							—
Current			1				1,177				16				2,928				53				27				610
Loans and financings – Current			—				73				—				1,507				9				12				161
Non-current			—				17,548				4				493				63				136				876
Loans and financings – Non-Current			—				10,925				—				55				63				127				276
Equity			1,379				3,705				227				(1,130	)			95				267				1,858
Total liabilities and equity			1,380				22,430				247				2,291				211				430				3,344
Statement of income
Net sales revenue			—				3,198				68				98				50				51				1,103
Cost of sales			—				(2,508	)			(23	)			(66	)			(27	)			(38	)			(681	)
Depreciation and amortization			—				(869	)			(9	)			(9	)			(11	)			(14	)			(151	)
Gross profit (loss)			—				690				45				32				23				13				422
General and administrative expenses			—				(99	)			—				(660	)			(2	)			(5	)			(31	)
Finance income			—				131				4				3				4				1				39
Finance expenses			—				(1,683	)			(1	)			(448	)			(7	)			(9	)			(90	)
Operational profit (loss)			—				(961	)			48				(1,073	)			18				—				340
Share of (loss) profit, net, of subsidiaries and joint ventures			20								—				66				—				—
Income tax  and social contribution tax			—				10				(16	)			(7	)			(3	)			(2	)			(111	)
Net income (loss) for the year			20				(951	)			32				(1,014	)			15				(2	)			229
Comprehensive income (loss) for the year			20				(951	)			32				(1,014	)			15				(2	)			229

2018		Centroeste				Ativas Data Center				Taesa				Hidrelétrica Cachoeirão				Hidrelétrica Pipoca				Retiro Baixo				Aliança Norte
Assets
Current			19				17				1,927				23				12				47				—
Cash and cash equivalents			—				1				21				18				4				36				—
Non-current			36				106				6,689				85				95				354				1,247
Total assets			55				123				8,616				108				107				401				1,247
Liabilities
Current			6				23				647				8				11				32				—
Loans and financings – Current			3				9				11				—				7				14				—
Non-current			10				16				3,397				—				33				91				—
Loans and financings – Non-Current			10				13				410				—				33				82				—
Equity			39				84				4,572				100				63				278				1,247
Total liabilities and equity			55				123				8,616				108				107				401				1,247
Statement of income
Net sales revenue			14				70				1,635				50				29				71				—
Cost of sales			(1	)			(72	)			(362	)			(29	)			(12	)			(29	)			—
Depreciation and amortization			—				—				—				(3	)			(3	)			(10	)			—
Gross profit (loss)			13				(2	)			1,273				21				17				42				—
General and administrative expenses			—				(16	)			(144	)			—				—				(4	)			(3	)
Finance income			1				—				63				1				—				2				1
Finance expenses			(3	)			(3	)			(274	)			—				(4	)			(11	)			(1	)
Operational profit (loss)			11				(21	)			918				22				13				29				(3	)
Share of (loss) profit, net, of subsidiaries and joint ventures			—				—				301				—				—				—				97
Income tax and social contribution tax			(1	)			—				(147	)			(2	)			(1	)			(3	)			—
Net income (loss) for the year			10				(21	)			1,072				20				12				26				94
Comprehensive income (loss) for the year			10				(21	)			1,072				20				12				26				94

2018		Amazônia Energia				Madeira Energia				Baguari Energia				Renova (restated)				Aliança Geração
Assets
Current			—				618				44				1,738				791
Cash and cash equivalents			—				69				8				15				381
Non-current			1,360				22,453				201				867				2,440
Total assets			1,360				23,071				245				2,605				3,231
Liabilities
Current			1				1,281				7				2,195				564
Loans and financings – Current			—				53				—				349				168
Non-current			—				17,134				5				510				809
Loans and financings – Non-Current			—				10,220				—				64				348
Equity			1,359				4,656				233				(100	)			1,858
Total liabilities and equity			1,360				23,071				245				2,605				3,231
Statement of income
Net sales revenue			—				3,006				74				710				984
Cost of sales			—				(2,689	)			(31	)			(834	)			(599	)
Depreciation and amortization			—				(887	)			(9	)			(10	)			(153	)
Gross profit (loss)			—				317				43				(124	)			385
General and administrative expenses			(1	)			(195	)			—				(458	)			(31	)
Finance income			2				128				3				3				33
Finance expenses			(2	)			(1,881	)			(1	)			(320	)			(89	)
Operational profit (loss)			(1	)			(1,631	)			45				(899	)			298
Share of (loss) profit, net, of subsidiaries and joint ventures			105				—				—				49				—
Income tax and social contribution tax			(1	)			(112	)			(4	)			(6	)			(100	)
Net income (loss) for the year			103				(1,743	)			41				(856	)			198
							—								—
Comprehensive income (loss) for the year			103				(1,743	)			41				(856	)			198

Schedule of restatement of prior holding in subsidiaries acquired

The fair value of the net assets acquired and the remeasurement of the previously held interest, which impacts were recognized in 2020, are as follows:

		Centroeste
Fair value on the acquisition date			120
Equity interest held by the Company before the acquisition of control			51	%
Previously held interest at fair value on the date control was obtained			61
Carrying value of the investment			(24	)
Remeasurement of previously held equity interest in subsidiaries acquired			37

Schedule of remeasurement of interest previously held in subsidiaries at fair value

The fair value of interest acquired in relation to cash consideration is as follows:

		Centroeste
Cash consideration paid for 49% of the equity of Centroeste			45
Previously held interest, valued at fair value on the acquisition date – 51%			61
Bargain purchase			14
Total			120

Schedule of fair value of interest acquired, and remeasurement of previous equity interest in subsidiaries

The fair value of the assets and liabilities acquired at the acquisition date, is as follows:

Assets		Fair value				Liabilities		Fair value
Current			29			Current			6
Cash and cash equivalents			27			Loans and financings			3
Other current assets			2			Interest on equity and dividends payable			2
Non-current			108			Other current liabilities			1
Contract assets			108			Non-current			11
						Loans and financings			8
						Provisions			3
						Fair value of net identifiable assets			120

Schedule of recognized in profit or loss

Regarding the adjustments mentioned above, the total amounts recognized in profit or loss in 2020 arising from the acquisition of Centroeste’s equity interest of 49% is as follows:

		Centroeste
Gain on remeasurement of previously held equity interest in the subsidiaries acquired (51%)			37
Bargain purchase – gain arising from the acquisition of the additional equity interest of 49%			14
Total			51

Schedule of acquisition-date fair values of the identifiable assets and liabilities and other related information

The acquisition-date fair values of the identifiable assets and liabilities and other related information are presented below:

Entity		Generation Capacity  (MW)				Generation Capacity  (MWp)				Acquisition date				Net fair value of the identifiable assets and liabilities – Cemig Sim shareholding (49%)				Transaction price  - R$				Bargain purchase /Loss
Corinto			5				5.28				19/08/2020				9				9				—
Manga			5				6.34				30/09/2020				11				10				1
Bonfinópolis			2.5				3.45				25/11/2020				6				6				—
Lagoa Grande			5				7.33				25/11/2020				15				12				3
Lontra			5				6.38				25/11/2020				17				14				3
Mato Verde			2.5				3.23				25/11/2020				6				5				1
Mirabela			2				2.59				25/11/2020				4				5				(1	)
Porteirinha			2.5				3.23				25/11/2020				6				6				—
Porteirinha II			2.5				3.23				25/11/2020				6				6				—
Total			32				41.06				—				80				73				7

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No definition available.

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- Definition

Disclosure of financial information of equity investees explanatory.

+ References

No definition available.

+ Details

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- Definition

Disclosure of investments in subsidiaries joint ventures and associates not adjusted with percentage of company's ownership interest.

+ References

No definition available.

+ Details

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- Definition

Disclosure Of Movements In Associates Joint Ventures And Other Investments Explanatory

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No definition available.

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- Definition

Disclosure of remeasurement of interest previously held in subsidiaries at fair value.

+ References

No definition available.

+ Details

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- Definition

Represent information about the schedule of acquisitiondate fair values of identifiable assets and liabilities and other related information explanatory.

+ References

No definition available.

+ Details

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- Definition

The disclosure schedule of direct and indirect equity interests.

+ References

No definition available.

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- Definition

Represent information about the schedule of recognized in profit or loss explanatory.

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No definition available.

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- Definition

The disclosure schedule of restatement of prior holding in subsidiaries acquired.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

The disclosure of investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 10
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard
-URIDate 2020-01-01

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