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Trade Accounts Receivable (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | R$ 3,451,869 | R$ 4,515,426
Current | 3,342,050 | 4,433,193
Noncurrent | 109,819 | 82,233
Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 3,009,713 |
Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 321,749 |
Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 120,407 |
Customers [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 2,374,938 | 3,466,094
Customers [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 1,848,620 |
Customers [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 325,155 |
Customers [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 201,163 |
Customers [Member] | Residential [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 513,096 | 858,070
Customers [Member] | Residential [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 312,468 |
Customers [Member] | Residential [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 172,243 |
Customers [Member] | Residential [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 28,385 |
Customers [Member] | Industrial [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 178,856 | 329,910
Customers [Member] | Industrial [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 115,555 |
Customers [Member] | Industrial [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 17,612 |
Customers [Member] | Industrial [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 45,689 |
Customers [Member] | Commercial [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 260,260 | 442,902
Customers [Member] | Commercial [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 194,959 |
Customers [Member] | Commercial [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 41,274 |
Customers [Member] | Commercial [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 24,027 |
Customers [Member] | Rural [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 101,645 | 151,459
Customers [Member] | Rural [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 78,099 |
Customers [Member] | Rural [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 20,194 |
Customers [Member] | Rural [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 3,352 |
Customers [Member] | Public Entities [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 39,107 | 58,532
Customers [Member] | Public Entities [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 36,506 |
Customers [Member] | Public Entities [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 2,200 |
Customers [Member] | Public Entities [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 401 |
Customers [Member] | Public Lighting [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 28,328 | 55,943
Customers [Member] | Public Lighting [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 28,140 |
Customers [Member] | Public Lighting [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 188 |
Customers [Member] | Public Lighting [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Customers [Member] | Public Service [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 39,293 | 62,350
Customers [Member] | Public Service [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 37,698 |
Customers [Member] | Public Service [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 952 |
Customers [Member] | Public Service [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 643 |
Customers [Member] | Unbilled [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 462,426 | 948,418
Customers [Member] | Unbilled [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 462,426 |
Customers [Member] | Unbilled [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Customers [Member] | Unbilled [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Customers [Member] | Energy Installments Plan [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 403,518 | 343,667
Customers [Member] | Energy Installments Plan [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 289,821 |
Customers [Member] | Energy Installments Plan [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 43,230 |
Customers [Member] | Energy Installments Plan [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 70,467 |
Customers [Member] | Low Income Subsidy Eletrobras [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 28,342 | 17,712
Customers [Member] | Low Income Subsidy Eletrobras [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 28,342 |
Customers [Member] | Low Income Subsidy Eletrobras [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Customers [Member] | Low Income Subsidy Eletrobras [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Customers [Member] | Free Consumers [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 208,631 | 174,495
Customers [Member] | Free Consumers [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 202,525 |
Customers [Member] | Free Consumers [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 2,396 |
Customers [Member] | Free Consumers [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 3,710 |
Customers [Member] | Other Receivables [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 114,190 | 157,526
Customers [Member] | Other Receivables [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 64,835 |
Customers [Member] | Other Receivables [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 24,866 |
Customers [Member] | Other Receivables [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 24,489 |
Customers [Member] | Bonus For Voluntary Consumption Reduction [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (2,754) | (134,890)
Customers [Member] | Bonus For Voluntary Consumption Reduction [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (2,754) |
Customers [Member] | Bonus For Voluntary Consumption Reduction [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Customers [Member] | Bonus For Voluntary Consumption Reduction [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Concessionaires And Permission Holder Energy Supplies [Member] | Bilateral Contracts [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 278,148 | 210,632
Concessionaires And Permission Holder Energy Supplies [Member] | Bilateral Contracts [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 276,448 |
Concessionaires And Permission Holder Energy Supplies [Member] | Bilateral Contracts [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 1,400 |
Concessionaires And Permission Holder Energy Supplies [Member] | Bilateral Contracts [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 300 |
Concessionaires And Permission Holder Energy Supplies [Member] | Regulated Contracts [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 205,070 | 223,237
Concessionaires And Permission Holder Energy Supplies [Member] | Regulated Contracts [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 196,603 |
Concessionaires And Permission Holder Energy Supplies [Member] | Regulated Contracts [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 3,148 |
Concessionaires And Permission Holder Energy Supplies [Member] | Regulated Contracts [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 5,319 |
Concessionaires And Permission Holder Energy Supplies [Member] | C C E E [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 196,627 | 467,529
Concessionaires And Permission Holder Energy Supplies [Member] | C C E E [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 76,962 |
Concessionaires And Permission Holder Energy Supplies [Member] | C C E E [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable |  |
Concessionaires And Permission Holder Energy Supplies [Member] | C C E E [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 119,665 |
Concessionaires And Permission Holder Energy Supplies [Member] | Energy Suplies [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 679,845 | 901,398
Concessionaires And Permission Holder Energy Supplies [Member] | Energy Suplies [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 550,013 |
Concessionaires And Permission Holder Energy Supplies [Member] | Energy Suplies [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 4,548 |
Concessionaires And Permission Holder Energy Supplies [Member] | Energy Suplies [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 125,284 |
Concessionaires And Permission Holder Energy Supplies [Member] | Charges From Using Transmission Grid [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 530,259 | 362,070
Concessionaires And Permission Holder Energy Supplies [Member] | Charges From Using Transmission Grid [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 508,242 |
Concessionaires And Permission Holder Energy Supplies [Member] | Charges From Using Transmission Grid [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 8,499 |
Concessionaires And Permission Holder Energy Supplies [Member] | Charges From Using Transmission Grid [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 13,518 |
Gas distribution [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 138,770 | 90,465
Gas distribution [member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 123,839 |
Gas distribution [member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 3,440 |
Gas distribution [member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | 11,491 |
Expected Credit Losses [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (271,943) | R$ (304,601)
Expected Credit Losses [Member] | Balance Falling Due [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (21,001) |
Expected Credit Losses [Member] | Not later than three months [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | (19,893) |
Expected Credit Losses [Member] | Not later than one year [member] |  |
IfrsStatementLineItems [Line Items] |  |
Trade Accounts Receivable | R$ (231,049) |

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