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42 Condensed individual financial information of Companhia Paranaense de Energia - Copel (Details 6) - Companhia Paranaense de Energia - Copel [member] - BRL (R$) R$ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | R$ 1,290,114 | R$ 760,719
Other investments [member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | 399 | 425
Voltalia [member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | 1,032 | 1,032
Copel Geracao e Transmissao [member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | 769,108 | 464,450
Copel Distribuicao [member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | 440,368 | 266,050
Copel Comercializacao [member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | 29,803 | 88
Compagas [member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | 43,164 | 22,531
UEG Araucaria [member] |  |
CondensedUnconsolidatedFinancialInformationOfCompanhiaParanaenseDeEnergiaCopelAbstractLineItems [Line Items] |  |
Dividends receivable | R$ 6,143 | R$ 6,143

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