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Revenue (Tables)

12 Months Ended

Dec. 31, 2024

Schedule of Net Operating Revenue

	2024		2023		2022
Revenue from supply of energy (a)	34,341		31,671		30,158
Revenue from use of the electricity distribution systems (TUSD)	5,134		4,417		3,685
CVA and Other financial components (1)	423		(213)		(1,147)
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization (note 19)	513		1,909		2,360
Transmission revenue (b)
Operation and maintenance revenue	383		373		413
Construction revenue	425		242		407
Interest revenue arising from the financing component in the transmission contract asset (note 13)	433		524		575
Generation indemnity revenue (note 12.2)	86		93		47
Distribution construction revenue	4,712		3,899		3,246
Adjustment to expectation of cash flow from indemnifiable financial assets of distribution concession	104		149		39
Revenue on financial updating of the Concession Grant Fee (note 12.3)	447		412		467
Transactions in energy on the CCEE	92		146		183
Mechanism for the sale of surplus	-		(4)		453
Supply of gas	3,919		4,139		4,529
Fine for violation of service continuity indicator	(157)		(139)		(94)
PIS/Pasep and Cofins credits to be refunded to consumers	-		-		(830)
Other operating revenues (c)	2,906		2,316		2,658
Deductions on revenue (d)	(13,941)		(13,084)		(12,686)
Revenue	39,820		36,850		34,463

(1)	This income derives from the total additions and amortizations shown in note 13.4.

Schedule of Revenue from Energy Supply

	GWh (1)						R$
	2024		2023		2022		2024		2023		2022
Residential	14,430		13,311		11,956		12,970		10,794		10,133
Industrial	17,820		18,343		18,388		5,377		5,903		5,991
Commercial, services and others	11,802		11,443		10,410		6,613		6,314		6,155
Rural	3,578		3,507		3,359		2,528		2,238		2,050
Public authorities	1,031		973		863		937		786		660
Public lighting	973		1,056		1,138		546		498		535
Public services	920		1,055		1,404		728		744		841
Subtotal	50,554		49,688		47,518		29,699		27,277		26,365
Own consumption	30		30		31		-		-		-
Unbilled revenue	-		-		-		92		166		(189)
	50,584		49,718		47,549		29,791		27,443		26,176
Wholesale supply to other concession holders (2)	17,192		17,328		16,777		4,500		4,183		3,894
Wholesale supply unbilled, net	-		-		-		50		45		88
Total	67,776		67,046		64,326		34,341		31,671		30,158

(1)

Data not audited by independent auditors.

(2)

Includes Sale Contracts in the Regulated Market (CCEARs – Contratos de Comercialização de Energia no Ambiente Regulado) through the Surplus and Deficits Offsetting Mechanism (MSCD: Mecanismo de Compensação de Sobras e Déficits), sales on the Free Market, and the revenues from management of generation assets (GAG – Gestão de Ativos da Geração) for the 18 hydroelectric plants of Lot D of Auction no 12/2015.

Schedule of Transmission Concession Contract

	2024		2023		2022
Construction and upgrades Revenue (1)	425		242		407
Construction and upgrades costs	(290)		(172)		(291)
Margin	135		70		116
Mark-up (%)	46.55%		40.70%		39.86%
Operation and maintenance Revenue (1)	383		373		413
Operation and maintenance cost	(298)		(292)		(287)
Margin	85		81		126
Mark-up (%)	28.52%		27.74%		43.90%

(1)	This breakdown does not include the financial “Interest revenue arising from the financing component in the transmission contract asset” – which is also part of the concession’s transmission revenue.

Schedule of Other Operating Revenues

	2024		2023		2022
Charged service	18		21		19
Services rendered	98		85		66
Low-income subsidy	463		401		321
Subsidy SCEE (1)	(14)		129		-
Subsidy Eletrobras	104		51		432
Tariff flags subsidy	153		78		290
CDE subsidy to cover tariff discounts	1,334		984		931
Subsidies associated with the EUST	71		47		31
Rental and leasing	562		412		493
Contractual indemnities	-		6		-
Others	117		102		75
Total	2,906		2,316		2,658

(1)	The variation arises from Cemig D's Annual Tariff Readjustment.

Schedule of Deduction on Revenue

	2024		2023		2022
Taxes on revenue
ICMS	5,743		5,043		4,892
Cofins	3,193		3,032		2,948
PIS/Pasep	693		658		643
Others	7		7		5
	9,636		8,740		8,488
Charges to the customer
Global Reversion Reserve (RGR)	8		12		14
Energy Efficiency Program (PEE)	83		74		69
Energy Development Account (CDE)	3,873		3,949		4,057
Research and Development (R&D)	41		37		35
National Scientific and Technological Development Fund (FNDCT)	59		53		49
Energy System Expansion Research (EPE of MME)	30		27		25
Customer charges - Proinfa alternative sources program	58		63		77
Energy services inspection fee	41		37		33
Royalties for use of water resources	68		53		54
Customer charges - the ‘Flag Tariff’ system	-		-		(252)
CDE on R&D	18		16		15
CDE on PEE	26		23		22
	4,305		4,344		4,198
Total	13,941		13,084		12,686