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v3.25.1

Related Party Transactions (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Entity Information [Line Items] |  |  |
Assets identified | R$ 57,384,156 | R$ 55,819,074 |
NET OPERATING REVENUE | 22,651,036 | 21,479,468 | R$ 20,535,341
Fees And Social Security Charges [Member] | Key Management Staff [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | (40,800) | (22,709) | (19,734)
Pension And Healthcare Plans [Member] | Key Management Staff [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | (1,809) | (1,641) | (1,384)
State Of Parana [Member] | Sanepar [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 445 | 19 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 12,164 | 68 | 485
Cost/ expenses | 0 | 0 | 0
State Of Parana [Member] | Dividends Payable [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 193,265 | 168,032 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
State Of Parana [Member] | Energia Solidaria Program [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 22,928 | 22,314 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
State Of Parana [Member] | Tarifa Rural Noturna Program [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
State Of Parana [Member] | Employees Transferred [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 342 | 382 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
State Of Parana [Member] | Meteorological Systemof Parana Simepar [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 649 | 702 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | (7,879) | (8,748) | (7,422)
BNDES And BNDESPAR [Member] | Dividends Payable [Member] | Entities With Significant Influence [Member] |  |  |
Entity Information [Line Items] |  |  |
Liabilities | 281,508 | 212,455 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
BNDES And BNDESPAR [Member] | Financing [Member] | Entities With Significant Influence [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 1,796,646 | 1,939,427 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | (164,478) | (180,030) | (190,881)
BNDES And BNDESPAR [Member] | Debentures Wind Farms [Member] | Entities With Significant Influence [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 183,225 | 200,242 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | (23,509) | (25,036) | (28,085)
Caiua Transmissora De Energia [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 402 | 326 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 4,726 | 3,860 | 3,619
Cost/ expenses | 0 | 0 | 0
Caiua Transmissora De Energia [Member] | Dividends [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 2,836 | 2,737 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Integracao Maranhense Transmissora [Member] | Dividends [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 3,149 | 739 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Matrincha Transmissora De Energia [Member] | Dividends [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 14,045 | 14,022 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Guaraciaba Transmissora De Energia [Member] | Dividends [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 34,017 | 44,882 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Paranaiba Transmissora De Energia [Member] | Dividends [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 6,635 | 8,360 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Cantareira Transmissora De Energia [Member] | Dividends [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 9,600 | 10,421 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Mata De Santa Genebra Transmissao [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 2,299 | 2,180 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 13,638 | 13,653 | 19,318
Cost/ expenses | 0 | 0 | 0
Mata De Santa Genebra Transmissao [Member] | Dividends [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 11,527 | 13,837 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Dona Francisca Energetica S A [Member] | Total for all associates [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 1,356 | 1,356 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | (14,527) | (15,345) | (16,089)
Dona Francisca Energetica S A [Member] | Dividends [Member] | Total for all associates [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 54 | 514 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Fozdo Chopim Energetica Ltda [Member] | Total for all associates [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 301 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 1,456 | 3,570 | 3,360
Cost/ expenses | 0 | 0 | 0
Administrative Property Rental [Member] | Other related parties [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 130,483 | 120,451 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | (12,211) | (10,091) | (10,713)
Pension And Healthcare Plans [Member] | Other related parties [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 1,158,709 | 1,484,243 |
NET OPERATING REVENUE | 0 | 0 | 0
Cost/ expenses | 0 | 0 | 0
Lactec [Member] | Other related parties [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 7 | 3 |
Liabilities | 468 | 323 |
NET OPERATING REVENUE | 525 | 462 | 645
Cost/ expenses | (1,697) | (5,706) | (5,004)
Tecpa [Member] | Other related parties [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 2,281 | 2,030 | 2,021
Cost/ expenses | 0 | 0 | 0
Celepa [Member] | Other related parties [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 1,148 | 1,113 | 719
Cost/ expenses | (6) | (26) | (11)
Assembleia Legislativa Do Parana [Member] | Other related parties [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 326 | 319 | 300
Cost/ expenses | 0 | 0 | 0
Portos Do Parana [Member] | Other related parties [Member] |  |  |
Entity Information [Line Items] |  |  |
Assets identified | 0 | 0 |
Liabilities | 0 | 0 |
NET OPERATING REVENUE | 4,114 | 5,070 | 5,552
Cost/ expenses | R$ 0 | R$ 0 | R$ 0

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