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chedule of impairment of property plant and equipment (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | R$ (1,045,829) | R$ (1,083,438)
Impairment at the year | 147,938 | 37,609
Recoverable amount at ending | (897,891) | (1,045,829)
CollateralsAndEscrowAccountsStn |  |
IfrsStatementLineItems [Line Items] |  |
Transfer | (639,529) |
In service |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | (925,521) | (961,177)
Impairment at the year | 215,012 | 35,656
Recoverable amount at ending | (710,509) | (925,521)
In service | CollateralsAndEscrowAccountsStn |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | (683,193) | (777,294)
Transfer | 43,664 | 94,101
Recoverable amount at ending |  | (683,193)
In service | Wind power complex Cutia |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning |  | (54,104)
Impairment at the year |  | 54,104
Recoverable amount at ending |  |
In service | U E G Araucaria [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | (138,777) |
Impairment at the year | 138,777 | (138,777)
Recoverable amount at ending |  | (138,777)
In service | Power Plants In Parana [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | (103,551) | (129,779)
Impairment at the year | 32,571 | 26,228
Recoverable amount at ending | (70,980) | (103,551)
In progress | Power Plants In Parana [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | (105,844) | (107,797)
Impairment at the year | (243,483) | 1,953
Recoverable amount at ending | (172,503) | (105,844)
In progress | Cons&amp;amp;amp;amp;amp;amp;amp;#63;rcio Tapaj&amp;amp;amp;amp;amp;amp;amp;#63;s |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | (14,464) | (14,464)
Impairment at the year | (415) |
Recoverable amount at ending | (14,879) | (14,464)
In progress | Power Plants In Parana One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Impairment at the year | (66,659) |
In Progress One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Recoverable amount at beginning | (187,382) | (122,261)
Impairment at the year | R$ (67,074) | 1,953
Recoverable amount at ending |  | R$ (187,382)

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- Definition The amount of transfer loss recognised in profit or loss property plant and equipment. + References No definition available. + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_v&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The higher of an asset’s (or cash-generating unit’s) fair value less costs of disposal and its value in use. [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 130 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_e&doctype=Standard -URIDate 2021-03-24 + Details
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