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Debentures (Details 3)
 12 Months Ended
Dec. 31, 2022
Debentures Four [Member] | Changes in Equity Attributable to Non-Controlling Shareholders  
IfrsStatementLineItems [Line Items]  
Annual financial index Consolidated net debt / Consolidated ebitda Debt service coverage ratio
Limit ≤  3.5 ≥ 1.5
Copel geracaoe transmissao SA [member] | Debentures [Member]  
IfrsStatementLineItems [Line Items]  
Company name Copel GeT
Contract 5th issue of Debentures
Copel geracaoe transmissao SA [member] | Debentures 5 [Member]  
IfrsStatementLineItems [Line Items]  
Contract 4th issue of Debentures
Copel geracaoe transmissao SA [member] | Debentures Two [Member]  
IfrsStatementLineItems [Line Items]  
Contract 6th issue of Debentures
Copel geracaoe transmissao SA [member] | Debentures Three [Member]  
IfrsStatementLineItems [Line Items]  
Contract 7th issue of Debentures
CCEE liabilities | Debentures Two [Member]  
IfrsStatementLineItems [Line Items]  
Company name Copel DIS
Contract 4th issue of Debentures
CCEE liabilities | Debentures Three [Member]  
IfrsStatementLineItems [Line Items]  
Contract 5th issue of Debentures
CCEE liabilities | Debentures Foure One [Member]  
IfrsStatementLineItems [Line Items]  
Contract 6th issue of Debentures
CCEE liabilities | Debentures Five One [Member]  
IfrsStatementLineItems [Line Items]  
Contract 7th issue of Debentures
Nova Asa Branca I | Debentures One [Member]  
IfrsStatementLineItems [Line Items]  
Company name Nova Asa Branca I
Nova Asa Branca III | Debentures One [Member]  
IfrsStatementLineItems [Line Items]  
Company name Nova Asa Branca III
Contract 2nd issue of Debentures
Annual financial index Debt service coverage ratio
Limit ≥ 1.3
Nova Asa Branca II | Debentures One [Member]  
IfrsStatementLineItems [Line Items]  
Company name Nova Asa Branca II
Nova Eurus IV | Debentures One [Member]  
IfrsStatementLineItems [Line Items]  
Company name Nova Eurus IV
Ventos de Santo Uriel | Debentures Two [Member]  
IfrsStatementLineItems [Line Items]  
Company name Cutia
Contract 1st issue of Debentures
Annual financial index Debt service coverage ratio (a) [1]
Limit ≥ 1.2
Ventos de Santo Uriel | Debentures One [Member]  
IfrsStatementLineItems [Line Items]  
Company name Ventos de Santo Uriel
[1] financial ratio calculated based on the amounts of the consolidated financial statements of Cutia Empreendimentos Eólicos S.A. The contract establishes that, should the index be in the range between 1.10 and 1.20, the value of the funds invested in the Reserve Account must be complemented so that the total reaches the index of 1.20, within 2 days of the release of the financial statements.