XML 152 R134.htm IDEA: XBRL DOCUMENT
v3.21.1

14 Prepaid Expenses (Details 1) R$ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 BRL (R$) MW | Dec. 31, 2019 BRL (R$) | Dec. 31, 2018 BRL (R$)
Disclosure of fair value measurement of assets [line items] |  |  |
Asset value to recover as renegotiation of GSF | R$ 24,628 | R$ 34,847 | R$ 24,628
Hydrological risk [member] |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |
Eligible amount of energy (Average MW) | MW | 458,419 |  |
Asset value to recover as renegotiation of GSF | R$ 134,620 |  |
Value of prepaid expenses to amortize with future risk premium | 76,171 |  |
Value of intangible assets amortization over the concession period | R$ 58,449 |  |
Maua [member] | Hydrological risk [member] |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |
Physical guarantee (Average MW) | MW | 100,827 |  |
Eligible amount of energy (Average MW) | MW | 97.391 |  |
Amortization period of prepaid expenses | 01.01.2016 to 06.30.2020 |  |
Grant extension period (intangible asset) | not applicable |  |
Asset value to recover as renegotiation of GSF | R$ 28,623 |  |
Value of prepaid expenses to amortize with future risk premium | R$ 28,623 |  |
Foz Do Areia [member] | Hydrological risk [member] |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |
Physical guarantee (Average MW) | MW | 576.000 |  |
Eligible amount of energy (Average MW) | MW | 226.705 |  |
Amortization period of prepaid expenses | 01.01.2016 to 12.31.2016 |  |
Grant extension period (intangible asset) | 05.24.2023 to 09.17.2023 |  |
Asset value to recover as renegotiation of GSF | R$ 66,628 |  |
Value of prepaid expenses to amortize with future risk premium | 17,222 |  |
Value of intangible assets amortization over the concession period | R$ 49,406 |  |
Santa Clara and Fundoa [member] | Hydrological risk [member] |  |  |
Disclosure of fair value measurement of assets [line items] |  |  |
Physical guarantee (Average MW) | MW | 135.400 |  |
Eligible amount of energy (Average MW) | MW | 134.323 |  |
Amortization period of prepaid expenses | 01.01.2016 to 04.22.2019 |  |
Grant extension period (intangible asset) | 10.25.2036 to 05.28.2037 |  |
Asset value to recover as renegotiation of GSF | R$ 39,369 |  |
Value of prepaid expenses to amortize with future risk premium | 30,326 |  |
Value of intangible assets amortization over the concession period | R$ 9,043 |  |

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