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Operations
 12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Operations
1. Operations
Companhia Paranaense de Energia (Copel, Company), with its head office located at Rua José Izidoro Biazetto, 158, bloco A, Curitiba - State of Paraná, is a publicly-held company, whose shares are traded at Corporate Governance Level 2 of the Special Listing Segments of B3 S.A. - Brasil, Bolsa Balcão Stock Exchange and on the New York Stock Exchange (NYSE) and on the Madrid Stock Exchange, in the Latin American segment (Latibex).
The core activities of Copel and its subsidiaries, which are regulated by the Brazilian Electricity Regulatory Agency (Aneel), linked to the Brazilian Ministry of Mines and Energy (MME), are to carry out research, study, plan, build and explore the production, transformation, transport, distribution and trading of energy, in any of its forms, mainly electricity. Furthermore, Copel participates in consortiums and in private sector for the purpose of engaging in activities, mainly in areas of energy.
Renewal of concessions
The transformation of Copel into a “Corporation” in 2023 enabled, under the terms of Law 9,074/95, the full renewal of the concessions of the Governador Bento Munhoz da Rocha Netto Hydroelectric Plants - GBM (“Foz do Areia”), Governador Ney Braga - GNB (“Segredo”) and Governador José Richa - GJR (“Salto Caxias”) for 30 years from the signing of the new concession contract, celebrated in November 19, 2024.
On November 21, 2024 the grant bonus for the renewal of the concessions was paid, in the updated amount of R$4,073,915, in the terms the Interministerial Ordinance of the Brazilian Ministry of Mines and Energy and Ministry of Finance - MME/MF No. 01, dated March 30, 2023 (Note 16.2).
From November 2024, in view of the continuity of operations, all the assets linked to these three plants will be depreciated on a linear basis over the useful life period established by Aneel. If this term exceeds the expiration of the concession contract, the term of the contract will be used, without residual value (Note 15.5).
The new concession contracts were agreed upon under the Independent Energy Production (“PIE”) exploration regime and will have payment for the Use of Public Property (“UBP’) for five years (Note 23).
1.1. Equity interests of Copel
Copel has direct and indirect interests in subsidiaries (1.1.1), joint ventures (1.1.2), associates (1.1.3) and joint operations (1.1.4).
During the year 2024, the following events occurred that resulted in changes in relation to the equity interests of December 31, 2023:
▪completion of the divestments of UEGA and Compagas (Note 37);
▪creation of 13 special purpose companies as a result of the divestment process of the small generation plants of Copel GeT (Note 37);
▪sale of the equity interest in the subsidiary Carbocampel (Note 14.1).
1.1.1. Subsidiaries
SubsidiariesHeadquartersMain activityInterest
 %Investor
Copel Geração e Transmissão S.A. (Copel GeT)Curitiba/PRProduction and transmission of electricity100.0 Copel
Copel Distribuição S.A. (Copel DIS)Curitiba/PRDistribution of electricity100.0 Copel
Copel Serviços S.A. (Copel SER)Curitiba/PRProduction of electricity 100.0 Copel
Copel Comercialização S.A. (Copel COM)Curitiba/PRCommercialization of electricity100.0 Copel
Elejor – Centrais Elétricas do Rio Jordão S.A.Curitiba/PRProduction of electricity70.0 Copel
São Bento Energia, Investimentos e Participações S.A. (São Bento)Curitiba/PRControl and management of interests100.0 Copel GeT
Nova Asa Branca I Energias Renováveis S.A.S. Miguel do Gostoso/RNProduction of electricity from wind sources100.0 Copel GeT
Nova Asa Branca II Energias Renováveis S.A.Parazinho/RNProduction of electricity from wind sources100.0 Copel GeT
Nova Asa Branca III Energias Renováveis S.A.Parazinho/RNProduction of electricity from wind sources100.0 Copel GeT
Nova Eurus IV Energias Renováveis S.A.Touros/RNProduction of electricity from wind sources100.0 Copel GeT
Santa Maria Energias Renováveis S.A.Maracanaú/CEProduction of electricity from wind sources100.0 Copel GeT
Santa Helena Energias Renováveis S.A.Maracanaú/CEProduction of electricity from wind sources100.0 Copel GeT
Ventos de Santo Uriel S.A.João Câmara/RNProduction of electricity from wind sources100.0 Copel GeT
Cutia Empreendimentos Eólicos S.A. (Cutia)Curitiba/PRControl and management of interests100.0 Copel GeT
Brownfield Investment Holding Ltda. (Brownfield) Curitiba/PRControl and management of interests100.0 Copel GeT
Ventos de Serra do Mel B S.A. (Serra do Mel)Serra do Mel/RNControl and management of interests68.8 Copel GeT
31.2 Brownfield
Aventura Holding S.A. (Aventura)Curitiba/PRControl and management of interests100.0 Copel GeT
SRMN Holding S.A. (SRMN)Curitiba/PRControl and management of interests100.0 Copel GeT
Costa Oeste Transmissora de Energia S.A. Curitiba/PRTransmission of electricity100.0 Copel GeT
Marumbi Transmissora de Energia S.A. Curitiba/PRTransmission of electricity100.0 Copel GeT
Uirapuru Transmissora de Energia S.A Curitiba/PRTransmission of electricity100.0 Copel GeT
Bela Vista Geração de Energia S.A.Curitiba/PRProduction of electricity100.0 Copel GeT
F.D.A. Geração de Energia Elétrica S.A. (FDA)Curitiba/PRProduction of electricity100.0 Copel GeT
Jandaíra I Energias Renováveis S.A. Curitiba/PRProduction of electricity from wind sources100.0 Copel GeT
Jandaíra II Energias Renováveis S.A. Curitiba/PRProduction of electricity from wind sources100.0 Copel GeT
Jandaíra III Energias Renováveis S.A.Curitiba/PRProduction of electricity from wind sources100.0 Copel GeT
Jandaíra IV Energias Renováveis S.A.Curitiba/PRProduction of electricity from wind sources100.0 Copel GeT
Eol Potiguar B61 SPE S.A.(a) Serra do Mel/RNProduction of electricity from wind sources100.0 Copel GeT
GE Olho D’Água S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 São Bento
GE Boa Vista S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 São Bento
GE Farol S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 São Bento
GE São Bento do Norte S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 São Bento
Central Geradora Eólica São Bento do Norte I S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Central Geradora Eólica São Bento do Norte II S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Central Geradora Eólica São Bento do Norte III S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Central Geradora Eólica São Miguel I S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Central Geradora Eólica São Miguel II S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Central Geradora Eólica São Miguel III S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Usina de Energia Eólica Guajiru S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Usina de Energia Eólica Jangada S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Usina de Energia Eólica Potiguar S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Usina de Energia Eólica Cutia S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Usina de Energia Eólica Maria Helena S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Usina de Energia Eólica Esperança do Nordeste S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Usina de Energia Eólica Paraíso dos Ventos do Nordeste S.A.São Bento do Norte/RNProduction of electricity from wind sources100.0 Cutia
Eol Potiguar B141 SPE S.A. Serra do Mel/RNProduction of electricity from wind sources100.0 Serra do Mel
Eol Potiguar B142 SPE S.A. Serra do Mel/RNProduction of electricity from wind sources100.0 Serra do Mel
Eol Potiguar B143 SPE S.A. Serra do Mel/RNProduction of electricity from wind sources100.0 Serra do Mel
Eol Ventos de Vila Paraíba IV SPE S.A. Serra do Mel/RNProduction of electricity from wind sources100.0 Serra do Mel
Central Eólica Aventura II S.A.Curitiba/PRProduction of electricity from wind sources100.0  Aventura
Central Eólica Aventura III S.A.Curitiba/PRProduction of electricity from wind sources100.0  Aventura
Central Eólica Aventura IV S.A.Curitiba/PRProduction of electricity from wind sources100.0  Aventura
Central Eólica Aventura V S.A.Curitiba/PRProduction of electricity from wind sources100.0  Aventura
Central Eólica SRMN I S.A.Curitiba/PRProduction of electricity from wind sources100.0  SRMN
Central Eólica SRMN II S.A.Curitiba/PRProduction of electricity from wind sources100.0  SRMN
Central Eólica SRMN III S.A.Curitiba/PRProduction of electricity from wind sources100.0  SRMN
Central Eólica SRMN IV S.A.Curitiba/PRProduction of electricity from wind sources100.0  SRMN
Central Eólica SRMN V S.A.Curitiba/PRProduction of electricity from wind sources100.0  SRMN
(a) Wind farm with 99.99992% interest in Copel Get and 0.00008% in Brownfield.
1.1.2. Joint Ventures
Joint venturesHeadquartersMain activityInterest
 %Investor
Voltalia São Miguel do Gostoso I Participações S.A. (a)São Paulo/SPInterests in companies49.0 Copel
Solar Paraná GD Participações S.A. (b)Curitiba/PRInterests in companies49.0 Copel
Caiuá Transmissora de Energia S.A.Rio de Janeiro/RJTransmission of electricity49.0 Copel GeT
Integração Maranhense Transmissora de Energia S.A.Rio de Janeiro/RJTransmission of electricity49.0 Copel GeT
Matrinchã Transmissora de Energia (TP NORTE) S.A.Rio de Janeiro/RJTransmission of electricity49.0 Copel GeT
Guaraciaba Transmissora de Energia (TP SUL) S.A.Rio de Janeiro/RJTransmission of electricity49.0 Copel GeT
Paranaíba Transmissora de Energia S.A.Rio de Janeiro/RJTransmission of electricity24.5 Copel GeT
Mata de Santa Genebra Transmissão S.A.Jundiaí/SPTransmission of electricity50.1 Copel GeT
Cantareira Transmissora de Energia S.A.Rio de Janeiro/RJTransmission of electricity49.0 Copel GeT
(a) The controlling company of Voltalia São Miguel do Gostoso Participações S.A., which in turn is the holding company for 4 SPEs: São João Wind Power Plant S.A., Carnaúba Wind Power Plant S.A., Reduto Wind Power Plant S.A. and Santo Cristo Wind Power Plant S.A.
(b) Holding of 5 Special Purpose Entities (SPEs) operating in the distributed generation sector (photovoltaic plants): Pharma Solar II, Pharma Solar III, Pharma Solar IV, in commercial operation, and Bandeirantes Solar I and Bandeirantes Solar II, for which the maintenance or extinction of the SPEs is under study.
1.1.3. Associates
Associated companiesHeadquartersMain activityInterest
 %Investor
Dona Francisca Energética S.A.Agudo/RSProduction of electricity23.03 Copel
Foz do Chopim Energética Ltda.Curitiba/PRProduction of electricity35.77 Copel GeT
1.1.4. Joint operations (consortiums)
The Company has interests in some joint operations. The two relevant consortiums, with amounts recorded in the Company's property, plant and equipment, are presented in Note 15.3.