XML 224 R140.htm IDEA: XBRL DOCUMENT v3.22.1
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?rcio Tapaj?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)