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Net Operating Revenue (Details 4) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | R$ 2,659,092 | R$ 2,670,262 | R$ 1,737,716
National Electric Energy Agency [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | R$ 2,385,578 | 2,505,319 | 1,641,499
National Electric Energy Agency [Member] | Quotas [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Resolutions | Quotas |  |
Regulatory charges | R$ 2,201,372 | 2,321,875 | 1,534,490
National Electric Energy Agency [Member] | Covid Account [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Resolutions | Covid Account |  |
Regulatory charges | R$ 183,444 | 183,444 | 107,009
National Electric Energy Agency [Member] | Water Shortage [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Resolutions | Water shortage |  |
Regulatory charges | R$ 1,725 |  |
National Electric Energy Agency [Member] | Preliminary Injunctions [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Resolutions | Preliminary injunctions |  |
Regulatory charges | R$ 963 |  |
National Electric Energy Agency One [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Regulatory charges | R$ 273,514 | 164,943 | 96,217
National Electric Energy Agency One [Member] | Covid Account [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Resolutions | Covid Account |  |
Regulatory charges | R$ 164,943 | 164,943 | 96,217
National Electric Energy Agency One [Member] | Water Shortage [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Resolutions | Water shortage |  |
Regulatory charges | R$ 43,453 |  |
National Electric Energy Agency One [Member] | Distributed Generation [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Resolutions | Distributed Generation |  |
Regulatory charges | R$ 65,118 |  |

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- Definition The description of the identity of the rate regulator(s). A rate regulator is an authorised body that is empowered by statute or regulation to establish the rate or a range of rates that bind an entity. The rate regulator may be a third-party body or a related party of the entity, including the entity’s own governing board, if that body is required by statute or regulation to set rates both in the interest of the customers and to ensure the overall financial viability of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 14 -IssueDate 2023-01-01 -Paragraph 30 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2023-en-r&anchor=para_30_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of charges related to transmission of energy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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