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8. RECEIVABLES FROM CUSTOMERS, TRADERS AND POWER TRANSPORT CONCESSION HOLDERS

12 Months Ended

Dec. 31, 2020

Disclosure of trade and other receivables [abstract]

RECEIVABLES FROM CUSTOMERS, TRADERS AND POWER TRANSPORT CONCESSION HOLDERS

8.	RECEIVABLES FROM CUSTOMERS, TRADERS AND POWER TRANSPORT CONCESSION HOLDERS

	Balances not yet due			Up to 90 days past due			More than 91 up to 360 days past due			More than 361 days past due			2020			2019

Billed supply		1,518			637			387			583			3,125			3,130
Unbilled supply		1,145			—			—			—			1,145			1,204
Other concession holders – wholesale supply		18			26			1			5			50			47
Other concession holders – wholesale supply, unbilled		260			—			—			—			260			204
CCEE (Power Trading Chamber)		21			189			—			—			210			386
Concession Holders – power transport		45			14			17			85			161			187
Concession Holders – power transport, unbilled		295			—			—			—			295			253
(–) Provision for doubtful receivables		(278	)		(12	)		(15	)		(407	)		(712	)		(810	)
		3,024			854			390			266			4,534			4,601

Current assets														4,373			4,524
Non-current assets														161			77

The Company’s exposure to credit risk related to customers and traders is provided in Note 31.

The allowance for doubtful accounts is considered to be sufficient to cover any potential losses in the realization of accounts receivable, and the breakdown by type of customers is as follows:

	2020		2019
Residential		110		131
Industrial		188		197
Commercial, services and others		190		161
Rural		30		32
Public authorities		83		201
Public lighting		2		2
Public services		35		31
Charges for use of the network (TUSD)		74		55
		712		810

On July 31, 2020 Cemig D filed an application to the tax authority of State of Minas Gerais to offset debts for energy consumption and service owed by the direct and indirect administrations of Minas Gerais State, using amounts of ICMS tax payable, under Article 3 of Minas Gerais State Decree 47,908/2020, which regulated State Law 47,891/2020. The debts from the State of Minas Gerais that qualify for offset are those past due at June 30, 2019, estimated at R$240, which are still being analized by the tax authority of State of Minas Gerais. The offset will initiate after the tax authority ratification and conclusion of the debt recognition agreement. As a consequence, Cemig D reversed the impairment previously recognized for the debts owed by Minas Gerais state, in the amount of R$210.

Changes in the allowance for doubtful accounts in 2020, 2019 and 2018 are as follows:


Balance at December 31, 2017	568
Effect of adoption of IFRS 9 on Jan. 1, 2018	150
Additions, net (Note 30 d)	264
Write-off	(231	)
Balance at December 31, 2018	751
Additions, net (Note 30 d)	238
Disposals	(179	)
Balance at December 31, 2019	810
Additions, net (Note 30 d)	146
Disposals	(244	)
Balance at December 31, 2020	712