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v3.21.1

17 Property, Plant and Equipment (Details 1) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Additions/Reversal of impairment |  | R$ 366,298 | R$ 582,259
Depreciation |  | (682,044) | (665,182)
Loss on disposal |  | (95,122) | (158,084)
Transfers |  | (685,775) | (7,553)
Property, plant and equipment, ending |  | 9,495,460 |
In Service [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 10,019,517 | 6,248,576
Additions/Reversal of impairment |  | 89,050 | 61,112
Depreciation |  | (682,044) | (665,182)
Loss on disposal |  | (86,996) | (142,544)
Transfers |  | (454,413) | 4,517,555
Property, plant and equipment, ending |  | 8,885,114 | 10,019,517
In Service [member] | Reservoirs, Dams and Aqueducts [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 3,676,692 | 2,426,474
Additions/Reversal of impairment |  |  |
Depreciation |  | (195,062) | (188,334)
Loss on disposal |  |  | (42)
Transfers |  | (239) | 1,438,594
Property, plant and equipment, ending |  | 3,481,391 | 3,676,692
In Service [member] | Machinery and Equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 6,003,890 | 2,974,142
Additions/Reversal of impairment |  |  |
Depreciation |  | (431,088) | (409,571)
Loss on disposal |  | (86,550) | (141,902)
Transfers |  | 160,968 | 3,581,221
Property, plant and equipment, ending |  | 5,024,232 | 6,003,890
In Service [member] | Buildings [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 908,024 | 479,207
Additions/Reversal of impairment |  |  |
Depreciation |  | (42,593) | (52,330)
Loss on disposal |  | (83) |
Transfers |  | 7,227 | 481,147
Property, plant and equipment, ending |  | 872,575 | 908,024
In Service [member] | Land [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 462,420 | 357,102
Additions/Reversal of impairment |  |  |
Depreciation |  | (10,617) | (9,466)
Loss on disposal |  | (2) | (463)
Transfers |  | 107 | 115,247
Property, plant and equipment, ending |  | 451,908 | 462,420
In Service [member] | Vehicles and Aircraft [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 3,084 | 5,766
Additions/Reversal of impairment |  |  |
Depreciation |  | (1,171) | (3,482)
Loss on disposal |  | (123) | (128)
Transfers |  | 102 | 928
Property, plant and equipment, ending |  | 1,892 | 3,084
In Service [member] | Furniture And Tools [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 7,949 | 9,415
Additions/Reversal of impairment |  |  |
Depreciation |  | (1,559) | (2,007)
Loss on disposal |  | (238) | (9)
Transfers |  | 664 | 550
Property, plant and equipment, ending |  | 6,816 | 7,949
In Service [member] | Impairment (17.5) [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | (961,177) |
Additions/Reversal of impairment |  | 35,656 |
Depreciation |  |  |
Loss on disposal |  |  |
Transfers |  |  |
Property, plant and equipment, ending |  | (925,521) | (961,177)
In Service [member] | Impairment (17.6) [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | (81,322) |
Additions/Reversal of impairment |  | 53,394 |
Depreciation |  |  |
Loss on disposal |  |  |
Transfers |  |  |
Property, plant and equipment, ending |  | (27,928) | (81,322)
In Service [member] | Special Obligations [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | (43) | (41)
Additions/Reversal of impairment |  |  |
Depreciation |  | 46 | 8
Loss on disposal |  |  |
Transfers |  | (254) | (10)
Property, plant and equipment, ending |  | (251) | (43)
In Service [member] | Reclassification [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Additions/Reversal of impairment | [1] |  |
Depreciation | [1] |  |
Loss on disposal | [1] |  |
Transfers | [1] | (622,988) |
Property, plant and equipment, ending |  | (622,988) |
In Service [member] | Impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | (1,042,499) | (3,489)
Additions/Reversal of impairment |  |  | 61,112
Depreciation |  |  |
Loss on disposal |  |  |
Transfers |  |  | (1,100,122)
Property, plant and equipment, ending |  |  | (1,042,499)
In Progress [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 572,586 | 4,592,087
Additions/Reversal of impairment |  | 277,248 | 521,147
Depreciation |  |  |
Loss on disposal |  | (8,126) | (15,540)
Transfers |  | (231,362) | (4,525,108)
Property, plant and equipment, ending |  | 610,346 | 572,586
In Progress [member] | Impairment (17.5) [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | (122,261) |
Additions/Reversal of impairment |  | 1,953 |
Depreciation |  |  |
Loss on disposal |  |  |
Transfers |  |  |
Property, plant and equipment, ending |  | (120,308) | (122,261)
In Progress [member] | Impairment (17.6) [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | (5,325) |
Additions/Reversal of impairment |  | 1,472 |
Depreciation |  |  |
Loss on disposal |  |  |
Transfers |  |  |
Property, plant and equipment, ending |  | (3,853) | (5,325)
In Progress [member] | Reclassification [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  |  |
Additions/Reversal of impairment |  |  |
Depreciation |  |  |
Loss on disposal |  |  |
Transfers |  | (61,309) |
Property, plant and equipment, ending |  | (61,309) |
In Progress [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | 700,172 | 5,789,780
Additions/Reversal of impairment |  | 273,823 | 551,162
Depreciation |  |  |
Loss on disposal |  | (8,126) | (15,540)
Transfers |  | (170,053) | (5,625,230)
Property, plant and equipment, ending |  | 734,507 | 700,172
In Progress [member] | Impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment, beginning |  | R$ (127,586) | (1,197,693)
Additions/Reversal of impairment |  |  | (30,015)
Depreciation |  |  |
Loss on disposal |  |  |
Transfers |  |  | 1,100,122
Property, plant and equipment, ending |  |  | R$ (127,586)
[1] | Reclassification to Assets classified as held for sale (Note 40).

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