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41 Condensed Unconsolidated Financial Information of Companhia Paranaense de Energia - Copel (Details 6) - Companhia Paranaense de Energia - Copel [Member] - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | R$ 760,719 | R$ 519,100
Other investments [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | 425 | 875
Voltalia [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | 1,032 | 1,032
Copel Geracao e Transmissao [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | 464,450 | 368,950
Copel Distribuicao [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | 266,050 | 89,486
Copel Telecomunicacoes [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable |  | 29,260
Copel Comercializacao [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | 88 | 0
Compagas [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | 22,531 | 9,996
Elejor [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable |  | 13,358
UEG Araucaria [Member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelLineItems [Line Items] |  |
Dividends receivable | R$ 6,143 | R$ 6,143

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