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Net Operating Revenue (Details 3) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Net Operating Revenue [Line Items] |  |  |
Regulatory charges | R$ 3,250,371 | R$ 2,952,146 | R$ 3,669,468
Energy Development Account CDE Energia [Member] |  |  |
Net Operating Revenue [Line Items] |  |  |
Regulatory charges | 2,683,329 | 2,659,092 | 2,670,262
Other Charges Rate Flags [Member] |  |  |
Net Operating Revenue [Line Items] |  |  |
Regulatory charges | 247,021 | 1,216 | 724,414
Research And Development And Energy Efficiency [Member] |  |  |
Net Operating Revenue [Line Items] |  |  |
Regulatory charges | 174,616 | 161,039 | 153,152
Global Reversion Reserve RGR Quota [Member] |  |  |
Net Operating Revenue [Line Items] |  |  |
Regulatory charges | 50,475 | 46,750 | 42,103
Energy Development Account CDE Uso [Member] |  |  |
Net Operating Revenue [Line Items] |  |  |
Regulatory charges | 78,500 | 68,901 | 65,460
Inspection Fee [Member] |  |  |
Net Operating Revenue [Line Items] |  |  |
Regulatory charges | R$ 16,430 | R$ 15,148 | R$ 14,077

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