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v3.20.1

2 Concessions and Authorizations (Details 2) - Copel Geracao e Transmissao S.A. [Member] - Concession Contracts [Member] | 12 Months Ended
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Dec. 31, 2019
Generation Concession 001/2007 - HPP Gov. Jayme Canet Junior (Maua) [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 51.00% |
Maturity date | Feb. 07, 2042 |
Generation concession 001/2011 - HPP Colider [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 17, 2046 |
Ordinance 133/2011 - SHP Cavernoso II [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Feb. 28, 2046 |
Generation Concession 002/2012 - HPP Baixo Iguacu [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 30.00% |
Maturity date | Oct. 30, 2049 |
HPP Apucaraninha [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Oct. 12, 2025 |
HPP Chamine [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 16, 2026 |
HPP Derivacao do Rio Jordao [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Nov. 15, 2029 |
HPP Cavernoso [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 07, 2031 |
TPP Figueira [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Mar. 27, 2019 |
HPP Gov. Bento Munhoz da Rocha Neto (Foz do Areia) [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Sep. 17, 2023 |
HPP Sao Jorge [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Dec. 05, 2024 |
HPP Guaricana [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 16, 2026 |
HPP Gov. Ney Aminthas de Barros Braga (Segredo) [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Nov. 16, 2029 |
HPP Gov. Jose Richa (Salto Caxias) [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 05, 2030 |
Authorization 278/1999 - WPP Palmas [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Sep. 29, 2029 |
HGP Salto do Vau [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Generation Concession 002/2016 - HPP Gov. Pedro Viriato Parigot de Souza (GPS) [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 05, 2046 |
HPP Marumbi - Power Generating Plant Registration: CGH. PH. PR. 001501-6.02 [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Authorization Aneel 5,373/2015 - HGP Chopim I [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
UEG Araucaria [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 60.90% |
Maturity date | Dec. 23, 2029 |
Nova Asa Branca I [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Apr. 25, 2046 |
Nova Asa Branca II [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 31, 2046 |
Nova Asa Branca III [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 31, 2046 |
Nova Eurus IV [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Apr. 27, 2046 |
Santa Maria [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 08, 2047 |
Santa Helena [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Apr. 09, 2047 |
Ventos de Santo Uriel [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Apr. 09, 2047 |
GE Boa Vista [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Apr. 28, 2046 |
GE Farol [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Apr. 20, 2046 |
GE Olho DAgua [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jun. 01, 2046 |
GE Sao Bento do Norte [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 19, 2046 |
Esperanca do Nordeste [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 11, 2050 |
Paraiso dos Ventos do Nordeste [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 11, 2050 |
Usina de Energia Eolica Jangada [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 05, 2042 |
Maria Helena [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 05, 2042 |
Usina de Energia Eolica Potiguar [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 11, 2050 |
Usina de Energia Eolica Guajiru [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 05, 2042 |
Usina de Energia Eolica Cutia [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 05, 2042 |
Sao Bento do Norte I [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 04, 2050 |
Sao Bento do Norte II [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 04, 2050 |
Sao Bento do Norte III [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 04, 2050 |
Sao Miguel I [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 04, 2050 |
Sao MigueI lI [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 04, 2050 |
Sao MigueI lI [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 04, 2050 |
Foz do Chopim [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 35.77% |
Maturity date | Apr. 23, 2030 |
SHP Bela Vista [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% | [1]
Maturity date | Jan. 02, 2041 | [1]
Jandaira I Energias Renovaveis [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% | [1]
Jandaira II Energias Renovaveis [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% | [1]
Jandaira III Energias Renovaveis [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% | [1]
Jandaira IV Energias Renovaveis [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% | [1]
Contract 060/2001 - Transmission Installations (Several Transmission Lines and Substations) [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 01, 2043 |
Contract 075/2001 - Transmission Line 230 kV Bateias - Jaguariaiva [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 17, 2031 |
Contract 006/2008 - Transmission Line 230 kV Bateias - Pilarzinho [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Mar. 17, 2038 |
Contract 027/2009 - Transmission Line 525 kV Foz do Iguacu - Cascavel Oeste [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Nov. 19, 2039 |
Contract 010/2010 - Transmission Line 500 kV Araraquara II - Taubate [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Oct. 06, 2040 |
Contract 015/2010 - Substation Cerquilho III 230/138 kV [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Oct. 06, 2040 |
Contract 022/2012 - Transmission Line 230 kV Londrina - Figueira and Transmission Line 230 kV Foz do Chopim - Salto Osorio [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Aug. 27, 2042 |
Contract 002/2013 - Transmission Line 230 kV Assis - Paraguacu Paulista II e Substation Paraguacu Paulista II 230 kV [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Feb. 25, 2043 |
Contract 005/2014 - Transmission Line 230 kV Bateias - Curitiba Norte e Substation Curitiba Norte 230/138 kV [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 29, 2044 |
Contract 021/2014 - Transmission Line 230 kV Foz do Chopim - Realeza e Substation Realeza 230/138 kV [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Sep. 05, 2044 |
Contract 022/2014 - Transmission Line 500 kV Assis - Londrina [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Sep. 05, 2044 |
Contract 006/2016 - Transmission Line 525kV Curitiba Leste - Blumenau [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% | [2]
Maturity date | Apr. 07, 2046 | [2]
Costa Oeste Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Jan. 12, 2042 |
Caiua Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 49.00% |
Maturity date | May 10, 2042 |
Marumbi Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | May 10, 2042 |
Integracao Maranhense [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 49.00% |
Maturity date | May 10, 2042 |
Matrincha Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 49.00% |
Maturity date | May 10, 2042 |
Guaraciaba Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 49.00% |
Maturity date | May 10, 2042 |
Paranaiba Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 24.50% |
Maturity date | May 02, 2043 |
Mata de Santa Genebra [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 50.10% | [2]
Maturity date | May 14, 2044 | [2]
Cantareira Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 49.00% |
Maturity date | Sep. 05, 2044 |
Uirapuru Transmissora [Member] |  |
Disclosure of subsidiaries [line items] |  |
Percentage of interest rate | 100.00% |
Maturity date | Mar. 04, 2035 |
[1] | Project under construction.
[2] | Buildings under construction.

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