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v3.22.1

Schedule of intangible assets (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Intangible Assets | R$ 9,215,560 | R$ 6,929,456 |
Distribution Concession Agreement 1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible Assets | 6,596,184 | 6,203,387 |
Generation Concession Agreement [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible Assets |  | 553,840 | R$ 582,671
Intangible Assets | 2,473,858 | 553,840 |
Gas distribution [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible Assets | 96,145 | 132,366 |
Other 1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Intangible Assets | R$ 49,373 | R$ 39,863 |

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