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v3.22.1

Schedule of financial results (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
IfrsStatementLineItems [Line Items] |  |  |
Financial income | R$ 932,049 | R$ 1,839,668 | R$ 729,506
Financial expenses | 1,259,410 | 973,397 | 1,184,870
Financial expenses | 1,259,410 | 973,397 | 1,184,870
Financial result, net | (327,361) | 866,271 | (455,364)
Arrears Charges On Energy Bills [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 326,217 | 271,966 | 215,522
Interest And Monetary Variation Of C R C Transfer Expense [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 255,777 | 341,964 | 192,724
Return On Financial Investments [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 163,888 | 80,704 | 119,622
Remuneration Of Net Sectorial Assets And Liabilities Expense [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 35,902 | 20,168 | 47,378
Monetary Variation Over The Itaipu Power Purchase [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 30,043 | 42,729 | 26,332
Recognition Of Tax Credit [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 21,640 | 944,549 | 38,434
Exchange Variation On Loan Collateral [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 9,243 | 35,089 |
Monetary Variation And Adjust To Present Value Of Accounts Payable Related To The Concession [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 5,373 | 2,322 | 1,462
Derivatives Fair Value Forward Contract [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income |  | 24,511 |
Financial expenses | 20,401 |  | 1,203
Other Financial Income [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | 125,594 | 160,100 | 121,283
Pis Pasep And Cofins Taxes On Interes On Capital [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial income | (41,628) | (84,434) | (33,251)
Monetary And Cambial Variation And Debt Charges [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | 855,814 | 607,569 | 853,880
Monetary Variation And Adjust To Present Value Of Accounts Payable Related To The Concession Expense [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | 200,629 | 192,848 | 100,455
Monetary Variation Over The Itaipu Power Purchase Expense [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | 58,814 | 75,478 | 29,547
P I S Pasep Cofins Taxes On Interest On Capital [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | 34,382 | 27,748 | 71,549
Interest On R And D And E E P [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | 14,814 | 12,550 | 24,570
Remuneration Of Net Sectorial Assets And Liabilities [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | 3,744 | 62 | 5,753
Interest And Monetary Variation Of C R C Transfer [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | 1,787 |  | 8,495
Other Financial Expenses [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Financial expenses | R$ 69,025 | R$ 57,142 | R$ 89,418

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