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41 Condensed Unconsolidated Financial Information of Companhia Paranaense de Energia - Copel (Details 7) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Reserve for risks | R$ 1,606,713 | R$ 1,664,773 | R$ 1,512,064
Companhia Paranaense de Energia - Copel [Member] | Regulatory [Member] |  |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Reserve for risks | 17,357 | 16,176 |
Companhia Paranaense de Energia - Copel [Member] | Labor [Member] |  |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Reserve for risks | 1,957 | 588 |
Companhia Paranaense de Energia - Copel [Member] | Tax Claim [Member] |  |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Reserve for risks | 150,529 | 132,643 |
Companhia Paranaense de Energia - Copel [Member] | Civil [Member] |  |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |  |
Reserve for risks | R$ 135,028 | R$ 142,773 |

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