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v3.23.2

Intangible assets (Details 2) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Intangible assets, beginning |  | R$ 9,215,560 |
Effect of acquisition of control of Vilas Complex |  |  | R$ 22,381
Intangible assets, ending |  | 10,277,727 | 9,215,560
Generation Concession Agreement In Service [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible assets, beginning |  | 1,759,286 | 195,622
ANEEL grant - use of public property |  |  | 63,446
Amortization of quotas - concession and authorization | [1] | (228,509) | (72,148)
Capitalizations for intangible in service |  |  | 1,823
Hydrological Risk Renegotiation |  |  | 1,570,543
Intangible assets, ending |  | 1,530,777 | 1,759,286
Generation Concession Agreement In Progress [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible assets, beginning | [2] |  |
ANEEL grant - use of public property | [2] |  | 1,823
Capitalizations for intangible in service | [2] |  | (1,823)
Intangible assets, ending | [2] |  |
Generation Concession Agreement Concession Authoriztion Rights [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible assets, beginning |  | 714,572 | 358,218
Effect of acquisition of control of Vilas Complex |  | 23,982 | 277,120
Goodwill arising from the business combination |  | 8,154 | 94,221
Amortization of quotas - concession and authorization | [1] | (24,870) | (14,987)
Intangible assets, ending |  | 721,838 | 714,572
Generation Concession Agreement [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible assets, beginning |  | 2,473,858 | 553,840
Effect of acquisition of control of Vilas Complex |  | 23,982 | 277,120
Goodwill arising from the business combination |  | 8,154 | 94,221
ANEEL grant - use of public property |  |  | 65,269
Amortization of quotas - concession and authorization | [1] | (253,379) | (87,135)
Hydrological Risk Renegotiation |  |  | 1,570,543
Intangible assets, ending |  | R$ 2,252,615 | R$ 2,473,858
[1] | Amortization during the concession/authorization as of the start of commercial operations of the enterprises.
[2] | Includes the balances of use of public asset and hydrological risk renegotiation

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