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Debentures (Details Narrative) - BRL (R$) R$ in Thousands | Oct. 15, 2024 | Dec. 31, 2024 | May 15, 2024 | May 05, 2024 | Dec. 31, 2023
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Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notes and debentures issued |  | R$ 12,627,365 |  |  | R$ 9,619,106
Copel DIS | May 15, 2031 | CDI [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate |  |  | 0.60% |  |
Copel DIS | May 15, 2036 | IPCA [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate |  |  | 6.2831% |  |
Debentures 9th Issue | Copel DIS |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notes and debentures issued |  |  | R$ 2,250,000 |  |
Debentures 9th Issue | Copel GET | Minimum term | DI Plus [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notes and debentures issued | R$ 800 |  |  |  |
Borrowings, interest rate | 0.52% |  |  |  |
Maturity term of debentures | 5 years |  |  |  |
Debentures 9th Issue | Copel GET | Average term | DI Plus [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notes and debentures issued | R$ 500 |  |  |  |
Borrowings, interest rate | 0.65% |  |  |  |
Maturity term of debentures | 7 years |  |  |  |
Debentures 9th Issue | Copel GET | Maximum term | DI Plus [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notes and debentures issued | R$ 300 |  |  |  |
Borrowings, interest rate | 0.95% |  |  |  |
Maturity term of debentures | 10 years |  |  |  |
Debentures 1st Issue [Member] | Copel Servicos | CDI [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notes and debentures issued |  |  |  | R$ 70 |
Debentures 1st Issue [Member] | Copel Servicos | May 05, 2031 | CDI [Member] |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate |  |  |  | 1.20% |

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