XML 77 R62.htm IDEA: XBRL DOCUMENT v3.23.1

REGULATORY CHARGES (Tables)

12 Months Ended

Dec. 31, 2022

Regulatory Charges

Schedule of information about amounts recognised in relation to regulatory deferral account balances

Schedule of information about amounts recognised in relation to regulatory deferral account balances
	2022	2021
Liabilities
Global Reversion Reserve (RGR)	28	28
Energy Development Account (CDE)	127	110
Grantor inspection fee - ANEEL	3	3
Energy Efficiency Program	221	237
Research and development (R&D)	126	112
Energy System Expansion Research	4	4
National Scientific and Technological Development Fund	8	9
Proinfa - Alternative Energy Program	10	17
Royalties for use of water resources	10	5
Emergency capacity charge	26	26
Customer charges - Tariff flags	0	252
CDE on R&D (1)	3	3
CDE on EEP	4	5
Others	5	5
Liability	575	816
Current liabilities	510	611
Non-current liabilities	65	205

X

- References

No definition available.

+ Details

Name:	cig_DisclosureOfDetailedInformationAboutRegulatoryChargesExplanatory
Namespace Prefix:	cig_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	cig_DisclosureRegulatoryChargesAbstract
Namespace Prefix:	cig_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration