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35 Financial Instruments (Details 5) - Interest Rate Risk And Monetary Variation [Member] - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 30, 2019 | Dec. 31, 2020
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets, Baseline |  | R$ 4,724,540 |  |
Financial assets, projected probable |  |  |  | R$ 162,180
Financial assets, projected scenario 1 |  |  |  | 121,640
Financial assets, projected scenario 2 |  |  |  | 81,104
Financial liabilities, Baseline |  | R$ (12,830,234) |  |
Financial liabilities, projected probable |  |  |  | (456,464)
Financial liabilities, projected scenario 1 |  |  |  | (570,580)
Financial liabilities, projected scenario 2 |  |  |  | (684,697)
Banco Do Brasil [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High CDI |  |
Financial liabilities, Baseline |  | R$ (679,976) |  |
Financial liabilities, projected probable |  |  |  | (22,099)
Financial liabilities, projected scenario 1 |  |  |  | (27,624)
Financial liabilities, projected scenario 2 |  |  |  | (33,149)
BNDES [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High TJLP |  |
Financial liabilities, Baseline |  | R$ (2,198,064) |  |
Financial liabilities, projected probable |  |  |  | (144,299)
Financial liabilities, projected scenario 1 |  |  |  | (142,874)
Financial liabilities, projected scenario 2 |  |  |  | (171,449)
BNDES [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High IPCA |  |
Financial liabilities, Baseline |  | R$ (8,288) |  |
Financial liabilities, projected probable |  |  |  | (209)
Financial liabilities, projected scenario 1 |  |  |  | (261)
Financial liabilities, projected scenario 2 |  |  |  | (213)
Banco Do Brasil - BNDES Transfer [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High TJLP |  |
Financial liabilities, Baseline |  | R$ (95,807) |  |
Financial liabilities, projected probable |  |  |  | (4,982)
Financial liabilities, projected scenario 1 |  |  |  | (6,227)
Financial liabilities, projected scenario 2 |  |  |  | (7,473)
Caixa Economica Federal [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High TJLP |  |
Financial liabilities, Baseline |  | R$ (331) |  |
Financial liabilities, projected probable |  |  |  | (17)
Financial liabilities, projected scenario 1 |  |  |  | (22)
Financial liabilities, projected scenario 2 |  |  |  | (26)
Other [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | No risk |  |
Financial liabilities, Baseline |  | R$ (77,261) |  |
Financial liabilities, projected probable |  |  |  |
Financial liabilities, projected scenario 1 |  |  |  |
Financial liabilities, projected scenario 2 |  |  |  |
Debentures [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High CDI/SELIC |  |
Financial liabilities, Baseline |  | R$ (6,464,603) |  |
Financial liabilities, projected probable |  |  |  | (210,100)
Financial liabilities, projected scenario 1 |  |  |  | (262,624)
Financial liabilities, projected scenario 2 |  |  |  | (315,149)
2nd Issue De Debentures [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High IPCA |  |
Financial liabilities, Baseline |  | R$ (1,950,591) |  |
Financial liabilities, projected probable |  |  |  | (49,155)
Financial liabilities, projected scenario 1 |  |  |  | (61,444)
Financial liabilities, projected scenario 2 |  |  |  | 73,732
3rd Issue De Debentures [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High TJLP |  |
Financial liabilities, Baseline |  | R$ (125,172) |  |
Financial liabilities, projected probable |  |  |  | (6,509)
Financial liabilities, projected scenario 1 |  |  |  | (8,136)
Financial liabilities, projected scenario 2 |  |  |  | (9,763)
Sectorial Financial Liabilities [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High Selic |  |
Financial liabilities, Baseline |  | R$ (102,284) |  |
Financial liabilities, projected probable |  |  |  | (3,324)
Financial liabilities, projected scenario 1 |  |  |  | (4,155)
Financial liabilities, projected scenario 2 |  |  |  | (4,986)
Ordinary Financing of Taxes With The Federal Tax Authorities [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High Selic |  |
Financial liabilities, Baseline |  | R$ (18,063) |  |
Financial liabilities, projected probable |  |  |  | (587)
Financial liabilities, projected scenario 1 |  |  |  | 734
Financial liabilities, projected scenario 2 |  |  |  | 881
Special Tax Regularization Program - Pert [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High Selic |  |
Financial liabilities, Baseline |  | R$ (497,207) |  |
Financial liabilities, projected probable |  |  |  | (16,159)
Financial liabilities, projected scenario 1 |  |  |  | (20,199)
Financial liabilities, projected scenario 2 |  |  |  | (24,239)
Accounts Payable Related To Concession [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High IGP-M |  |
Financial liabilities, Baseline |  | R$ (563,756) |  |
Financial liabilities, projected probable |  |  |  | (27,793)
Financial liabilities, projected scenario 1 |  |  |  | (34,741)
Financial liabilities, projected scenario 2 |  |  |  | (41,690)
Accounts Payable Related To Concession [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | High IPCA |  |
Financial liabilities, Baseline |  | R$ (48,831) |  |
Financial liabilities, projected probable |  |  |  | (1,231)
Financial liabilities, projected scenario 1 |  |  |  | (1,538)
Financial liabilities, projected scenario 2 |  |  |  | (1,846)
Bonds And Securities [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | Low CDI/SELIC |  |
Financial assets, Baseline |  | R$ 282,081 |  |
Financial assets, projected probable |  |  |  | 9,168
Financial assets, projected scenario 1 |  |  |  | 6,876
Financial assets, projected scenario 2 |  |  |  | 4,584
Collaterals And Escrow Accounts [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | Low CDI/SELIC |  |
Financial assets, Baseline |  | R$ 147 |  |
Financial assets, projected probable |  |  |  | 5
Financial assets, projected scenario 1 |  |  |  | 4
Financial assets, projected scenario 2 |  |  |  | 2
CRC Transferred To The Parana State Government [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  |  | Low IGP-DI |
Financial assets, Baseline |  | R$ 1,350,685 |  |
Financial assets, projected probable |  |  |  | 66,589
Financial assets, projected scenario 1 |  |  |  | 49,942
Financial assets, projected scenario 2 |  |  |  | 33,294
Sectorial Financial Assets [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | Low Selic |  |
Financial assets, Baseline |  | R$ 473,989 |  |
Financial assets, projected probable |  |  |  | 15,405
Financial assets, projected scenario 1 |  |  |  | 11,553
Financial assets, projected scenario 2 |  |  |  | 7,702
Accounts Receivable - Concessions [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk |  | Low IPCA |  |
Financial assets, Baseline |  | R$ 2,548,456 |  |
Financial assets, projected probable |  |  |  | 64,221
Financial assets, projected scenario 1 |  |  |  | 48,166
Financial assets, projected scenario 2 |  |  |  | 32,111
Accounts Receivable - Generation Concessions [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Financial assets and liabilities risk | [1] | Undefined |  |
Financial assets, Baseline |  | R$ 69,182 |  |
Financial assets, projected probable |  |  |  |
Financial assets, projected scenario 1 |  |  |  |
Financial assets, projected scenario 2 |  |  |  |
[1] | Risk assessment still requires ruling by the Granting Authority.

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