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Changes in accounts payable related to concessions (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |
Accounts payable related to concession | R$ 903,959 | R$ 731,864
Accounts payable related to concession, current | 104,963 | 88,951
Accounts payable related to concession, noncurrent | 798,996 | 642,913
Balance as of December 31, 2020 | 731,864 |
Balance as of December 31, 2021 | 903,959 | 731,864
Accounts Payable [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Accounts payable related to concession | 903,959 | 731,864
Balance as of December 31, 2020 | 731,864 | 612,587
Additions | 65,269 | 3,682
Adjustment to present value | 78,203 | (1,112)
Monetary variations | 117,053 | 191,638
Payments | (88,430) | (74,931)
Balance as of December 31, 2021 | R$ 903,959 | 731,864
Public Property 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
[custom:PublicPropertyName] | HPP Mauá |
Company | Copel GeT |
Grant | 06.29.2007 |
Signature | 07.03.2007 |
Closing | 05.2047 |
Discount rate | 565.00% |
Annual adjustment | IPCA |
Accounts payable related to concession | R$ 20,495 | 17,213
Balance as of December 31, 2020 | 17,213 |
Balance as of December 31, 2021 | R$ 20,495 | 17,213
Public Property 2 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
[custom:PublicPropertyName] | HPP Colider |
Company | Copel GeT |
Grant | 12.29.2010 |
Signature | 01.17.2011 |
Closing | 01.2046 |
Discount rate | 774.00% |
Annual adjustment | IPCA |
Accounts payable related to concession | R$ 27,376 | 25,075
Balance as of December 31, 2020 | 25,075 |
Balance as of December 31, 2021 | R$ 27,376 | 25,075
Public Property 3 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
[custom:PublicPropertyName] | HPP Baixo Iguaçu |
Company | Copel GeT |
Grant | 07.19.2012 |
Signature | 08.20.2012 |
Closing | 01.2047 |
Discount rate | 774.00% |
Annual adjustment | IPCA |
Accounts payable related to concession | R$ 8,595 | 7,841
Balance as of December 31, 2020 | 7,841 |
Balance as of December 31, 2021 | R$ 8,595 | 7,841
Public Property 7 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
[custom:PublicPropertyName] | HPP Guaricana |
Company | Copel GeT |
Grant | 03.03.2020 |
Signature | 03.03.2020 |
Closing | 03.2025 |
Discount rate | 774.00% |
Annual adjustment | IPCA |
Accounts payable related to concession | R$ 2,894 | 3,299
Balance as of December 31, 2020 | 3,299 |
Balance as of December 31, 2021 | R$ 2,894 | 3,299
Public Property 8 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
[custom:PublicPropertyName] | HPP Fundão e HPP Santa Clara |
Company | Elejor |
Grant | 10.23.2001 |
Signature | 10.25.2001 |
Closing | 05.2037 |
Discount rate | 1100.00% |
Annual adjustment | IGPM |
Accounts payable related to concession | R$ 844,599 | 678,436
Balance as of December 31, 2020 | 678,436 |
Balance as of December 31, 2021 | R$ 844,599 | R$ 678,436

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