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1 Operations (Details 1)

12 Months Ended

Dec. 31, 2020

Solar Parana GD Participcoes S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Solar Paraná GD Participções S.A.

Headquarters

Curitiba/PR

Main activity

Interests in companies

Interest

49.00%

Investor

Copel

Voltalia Sao Miguel do Gostoso I Participacoes S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Voltalia São Miguel do Gostoso I Participações S.A.

Headquarters

São Paulo/SP

Main activity

Interests in companies

Interest

49.00%

Investor

Copel

Parana Gas Exploracao e Producao S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Paraná Gás Exploração e Produção S.A.

^[1]

Headquarters

Curitiba/PR

^[1]

Main activity

Extraction of oil and natural gas

^[1]

Interest

30.00%

^[1]

Investor

Copel

^[1]

Caiua Transmissora de Energia S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Caiuá Transmissora de Energia S.A.

Headquarters

Rio de Janeiro/RJ

Main activity

Transmission of electricity

Interest

49.00%

Investor

Copel GeT

Integracao Maranhense Transmissora de Energia S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Integração Maranhense Transmissora de Energia S.A.

Headquarters

Rio de Janeiro/RJ

Main activity

Transmission of electricity

Interest

49.00%

Investor

Copel GeT

Matrincha Transmissora de Energia (TP NORTE) S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Matrinchã Transmissora de Energia (TP NORTE) S.A.

Headquarters

Rio de Janeiro/RJ

Main activity

Transmission of electricity

Interest

49.00%

Investor

Copel GeT

Guaraciaba Transmissora de Energia (TP SUL) S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Guaraciaba Transmissora de Energia (TP SUL) S.A.

Headquarters

Rio de Janeiro/RJ

Main activity

Transmission of electricity

Interest

49.00%

Investor

Copel GeT

Paranaiba Transmissora de Energia S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Paranaíba Transmissora de Energia S.A.

Headquarters

Rio de Janeiro/RJ

Main activity

Transmission of electricity

Interest

24.50%

Investor

Copel GeT

Mata de Santa Genebra Transmissao S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Mata de Santa Genebra Transmissão S.A.

Headquarters

Jundiaí/SP

Main activity

Transmission of electricity

^[2]

Interest

50.10%

^[2]

Investor

Copel GeT

^[2]

Cantareira Transmissora de Energia S.A. [member]

Disclosure of joint ventures [line items]

Joint ventures

Cantareira Transmissora de Energia S.A.

Headquarters

Rio de Janeiro/RJ

Main activity

Transmission of electricity

Interest

49.00%

Investor

Copel GeT

[1]	Project with halted activities due to a Public Civil Action pending judgment by Federal Court. An arbitration proceeding will be started to decide about relief ofcontractual obligations with no burden for bidders, with consequent return of signing up bonus, refund of incurred costs with collateral and relief of collateral provided.
[2]	On November 11, 2020, the last asset of the project entered into commercial operation, so that the transmission line is 100% operational.

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