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35 Financial Instruments (Details Narrative) € in Thousands, R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 BRL (R$) Exchange Months | Dec. 31, 2020 EUR (€) Exchange
Disclosure of detailed information about financial instruments [line items] |  |
Basic assumption for discount of expected payment flows | IPCA + Spread de 4.8165% |
Percentage of discounted expected cash inflows | (9.04%) |
Percentage of net discount rate | 8.64% |
Closing foreign exchange rate (R$/USD) | Exchange | 5.15 | 5.15
Percentage of electric shortage risk | 64.00% |
Percentage of maximum electric shortage risk | 5.00% |
Increase (decrease) in energy reallocation mechanism | Restricted to 5% by revision or 10% in the concession period. |
Euro |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional value | € |  | € 15,500
Bottom Of Range [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Extended term for thermoelectric power generation | Months | 36 |
Percentage of distributor contracting level | 100.00% |
Top Of Range [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Final term for thermoelectric power generation | Months | 60 |
Percentage of distributor contracting level | 105.00% |
Foreign exchange risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial instruments probable scenario 1 | 25.00% |
Financial instruments probable scenario 2 | 50.00% |
Derivative Financial Instruments [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial instruments probable scenario 1 | 25.00% |
Financial instruments probable scenario 2 | 50.00% |
Interest Rate Risk And Monetary Variation [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial instruments probable scenario 1 | 25.00% |
Financial instruments probable scenario 2 | 50.00% |
Description of sensitivity analysis of interest rate and monetary variation risk baseline scenario | CDI/Selic – 4.00%, IPCA – 3.98%, IGP-DI – 6.85%, IGP-M - 8,98% and TJLP – 4.98% |
Purchase Contracts Risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional value | R$ | R$ 6,065,065 |
Sale Contracts Risk [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional value | R$ | R$ 6,634,477 |
National Treasury Bond (NTN-B) [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maturity of debt instrument | Aug. 15, 2026 |
Percentage of debt instrument yield | 3.09% |
Thermoelectric Power Generation [member] | Risk Of Non-Renewal Of Concessions [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Extension Terms | 20 years |
Hydroelectric Power Generation And Electric Power Transmission [member] | Risk Of Non-Renewal Of Concessions [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of concession base on decree | The manifestation of sale of the concession must take place within up to 42 months from the date of the related formal agreement, and any sale must take place within up to 18 months from the concession end date. |
Extension Terms | 30 years |
Two Plant Of Generation And Transmission [member] | Risk Of Non-Renewal Of Concessions [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maturity terms of concessions | 5 years |
HPP Governador Bento Munhoz Da Rocha Netto [member] | Risk Of Non-Renewal Of Concessions [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maturity terms of concessions | 2023 |

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