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Significant Accounting Policies (Details Narrative) - BRL (R$)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Percentage of construction margin adopted for the transmission activity	1.65%	1.65%	1.65%
Applicable tax rate	15.00%
Applicable tax rate with surtax	10.00%
Minimum amount for income tax	R$ 240
Percentage for social contribution	9.00%
Percentage of limit of taxable profit	30.00%

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2021-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2021-03-24

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