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Net Operating Revenue (Details 3) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | R$ 2,952,146 | R$ 3,669,468 | R$ 3,486,342
Energy Development Account CDE Energia [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | 2,659,092 | 2,670,262 | 1,737,716
Other Charges Rate Flags [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | 1,216 | 724,414 | 1,480,361
Research And Development And Energy Efficiency [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | 161,039 | 153,152 | 168,591
Global Reversion Reserve RGR Quota [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | 46,750 | 42,103 | 44,372
Energy Development Account CDE Uso [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | 68,901 | 65,460 | 42,973
Inspection Fee [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | R$ 15,148 | R$ 14,077 | R$ 12,329

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