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Concessions and Authorizations (Details 1) - Concession agreement or authorization [member] - Copel geracaoe transmissao SA [member]
 12 Months Ended
Dec. 31, 2022
Generation Concession H P P Gov Jayme Canet Junior Maua [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 51.00%
Maturity date  05.27.2047 
Generation Concession H P P Colider [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.30.2046 
Copel geracaoe transmissao SA [member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  12.06.2050 
Generation Concession H P P Baixo Iguacu [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 30.00%
Maturity date  12.03.2049 
H P P Apucaraninha [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.27.2027 
H P P Chamine [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.02.2028 
H P P Derivacaodo Rio Jordao [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  06.21.2032 
H P P Cavernoso [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  06.23.2033 
T P P Figueira [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  03.27.2019 
H P P Sao Jorge [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  07.24.2026 
H P P Gov Ney Aminthasde Barros Braga Segredo [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  09.25.2032 
H P P Gov Jose Richa Salto Caxias [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  03.20.2033 
Generation Concession 0012020 U H E Guaricana [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  07.21.2028 
Authorization W P P Palmas [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  09.29.2029 
H G P Salto Do Vau Only Register With A N E E L [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Generation Concession 0032016 H P P Gov Pedro Viriato Parigot De Souza G P S [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.03.2053 
H P P Marumbi Power Generating Plant Registration C G H P H P R 001501602 [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Authorization Aneel 53732015 H G P Chopim I Only Register With A N E E L [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
U E G Araucaria [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 60.90%
Maturity date  12.23.2029 
Nova Asa Branca I  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.25.2046 
Nova Asa Branca II  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.31.2046 
Nova Asa Branca III  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.31.2046 
Nova Eurus IV  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.27.2046 
Santa Maria [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.08.2047 
Santa Helena [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.09.2047 
Ventos de Santo Uriel  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.09.2047 
G E Boa Vista [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.28.2046 
G E Farol [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.20.2046 
G E Olho D Agua [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  06.01.2046 
G E Sao Bentodo Norte [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.19.2046 
Esperancado Nordeste [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.11.2050 
Paraisodos Ventosdo Nordeste [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.11.2050 
Usinade Energia Eolica Jangada [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.05.2042 
Maria Helena [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.05.2042 
Usinade Energia Eolica Potiguar [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.11.2050 
Usinade Energia Eolica Guajiru [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.05.2042 
Usinade Energia Eolica Cutia [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.05.2042 
Sao Bentodo Norte I [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.04.2050 
Sao Bentodo Norte I I [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.04.2050 
Sao Bentodo Norte I I I [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.04.2050 
Sao Miguel I [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.04.2050 
Sao Migue Il [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.04.2050 
Sao Migue I Il [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.04.2050 
Sao Miguel I I I [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 35.77%
Maturity date  08.15.2032 
S H P Bela Vista [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.02.2041 
F D A Geracao De Energia Eletrica [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  12.21.2024 
Jandaira I Energias Renovaveis [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.02.2055 
Jandaira I I Energias Renovaveis [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.02.2055 
Jandaira I I I Energias Renovaveis [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.02.2055 
Jandaira I V Energias Renovaveis [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.02.2055 
Eol potiguar B141SPESA [member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.11.2054 
Eol Potiguar B 142 S P E S A [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.14.2054 
Eol Potiguar B 143 S P E S A [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.14.2054 
Eol potiguar B61SPESA [member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  12.06.2054 
Ventos De Vila Paraiba I V Spe Sa [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.14.2054 
Contract 0602001 Transmission Facilities Sundry Transmission Lines And Substations Extended By The 3rdaddendum [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.01.2043 
Next tariff review 2023
Contract Transmission Line Bateias Jaguariaiva [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00% [1]
Maturity date  08.17.2031  [1]
Contract Transmission Line Bateias Pilarzinho [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  03.17.2038 
Next tariff review 2023
Contract Transmission Line Foz Do Iguacu Cascavel Oeste [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  11.19.2039 
Next tariff review 2025
Contract Transmission Line Araraquara Ii Taubate [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  10.06.2040 
Next tariff review 2026
Contract Substation Cerquilho Iii [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  10.06.2040 
Next tariff review 2026
Contract Transmission Line Foz Do Chopim Salto Osorio C 2 Transmission Line Kv Londrina Figueira [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  08.27.2042 
Next tariff review 2023
Contract Transmission Line Assis Paraguacu Paulista Ii Substation Kv Paraguacu Paulista Ii [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  02.25.2043 
Next tariff review 2023
Contract Transmission Line Bateias Curitiba Norte Substation Kv Curitiba Norte [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.29.2044 
Next tariff review 2024
Contract Transmission Line Foz Do Chopim Realeza Substation Realeza Kv Patio Novo Kv [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  09.05.2044 
Next tariff review 2025
Contract Transmission Line Assis Londrina [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  09.05.2044 
Next tariff review 2025
Contract Transmission Line Kv Curitiba Leste Blumenau C [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  04.07.2046 
Next tariff review 2026
Costa Oeste Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  01.12.2042 
Next tariff review 2027
Caiua Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 49.00%
Maturity date  05.10.2042 
Next tariff review 2027
Marumbi Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00%
Maturity date  05.10.2042 
Next tariff review 2027
Integracao Maranhense [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 49.00%
Maturity date  05.10.2042 
Next tariff review 2027
Matrincha Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 49.00%
Maturity date  05.10.2042 
Next tariff review 2027
Guaraciaba Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 49.00%
Maturity date  05.10.2042 
Next tariff review 2027
Paranaiba Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 24.50%
Maturity date  05.02.2043 
Next tariff review 2023
Mata De Santa Genebra [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 50.10%
Maturity date  05.14.2044 
Next tariff review 2024
Cantareira Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 49.00%
Maturity date  09.05.2044 
Next tariff review 2025
Uirapuru Transmissora [Member]  
IfrsStatementLineItems [Line Items]  
Percentage of interest rate 100.00% [1]
Maturity date  03.04.2035  [1]
[1] Do not undergo tariff review and RAP reduces to 50% in the 16th year.