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v3.25.1

Assets held for sale and Discontinued operations (Details Narrative) - BRL (R$) R$ in Thousands |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 01, 2024 | Jul. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Sep. 16, 2024 | Sep. 30, 2023
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Investment disposal | R$ 261,355 |  | R$ 47,066 | R$ 58,132 | R$ 0 |  |
Payments to energy generators and transmitters |  |  | 365,000 |  |  |  |
Contingent liabilities |  |  | 2,807,918 | R$ 3,073,462 |  |  |
Copel [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  | 81.20%
Current investments |  |  |  |  |  |  | R$ 290,662
Proportion of ownership interest in subsidiary |  | 20.30% |  |  |  |  |
Copel Ge T [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  | 60.90% |  |  |  |  |
UEG Araucaria Ltd [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Transfer of assets and liabilities |  |  | 14,504 |  |  |  |
Companhia Paranaense de Gas Compagas [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  | 40.00% |
Percentage of concession agreements interest |  | 51.00% |  |  |  |  |
Investment received |  |  |  |  |  | R$ 906,000 |
Transfer of assets and liabilities |  |  | R$ 455,842 |  |  |  |
Companhia Paranaense de Gas Compagas [Member] | Sep-2025 [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Percentage ratio of remaining balance |  |  | 30.00% |  |  |  |
Companhia Paranaense de Gas Compagas [Member] | Sep-2026 [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Percentage ratio of remaining balance |  |  | 30.00% |  |  |  |
Mauá hydroelectric power plant [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 49.00% |  |  |  |
Mata de Santa Genebra Transmissao S A [Member] |  |  |  |  |  |  |
Disclosure of subsidiaries [line items] |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  | 49.90% |  |  |  |

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