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Consolidated Statements of Changes in Equity - BRL (R$) R$ in Thousands | Issued capital [member] | Deemed Cost [member] | Other Comprehensive Incomes [member] | Other reserves [member] | Profit Retention Reserve [member] | Additional Proposed Dividends [Member] | Retained earnings [member] | Shareholders Equity Subtotal [member] | Non-controlling interests [member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance, value at Dec. 31, 2020 | R$ 10,800,000 | R$ 680,364 | R$ (327,015) | R$ 1,209,458 | R$ 6,088,855 | R$ 1,507,449 |  | R$ 19,959,111 | R$ 291,407 | R$ 20,250,518
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 4,952,573 | 4,952,573 | 96,029 | 5,048,602
Other comprehensive income |  |  |  |  |  |  |  |  |  |
Adjustments related to actuarial liabilities, net of taxes |  |  | 152,601 |  |  |  |  | 152,601 | 144 | 152,745
Total comprehensive income |  |  | 152,601 |  |  |  | 4,952,573 | 5,105,174 | 96,173 | 5,201,347
Realization - deemed cost, net of taxes |  | (46,575) |  |  |  |  | 46,575 |  |  |
Realization of actuarial liabilities - divestment of Copel Telecom |  |  | (33,205) |  | 33,205 |  |  |  |  |
Deliberation of additional dividends proposed |  |  |  |  |  | (1,507,449) |  | (1,507,449) | (32,638) | (1,540,087)
Allocation proposed to Annual General Meeting - AGM: |  |  |  |  |  |  |  |  |  |
Legal reserve |  |  |  | 247,629 |  |  | (247,629) |  |  |
Interest on equity (JSCP) |  |  |  |  | (283,173) |  | (239,636) | (522,809) |  | (522,809)
Dividends |  |  |  |  |  | 1,368,675 | (2,565,678) | (1,197,003) | (16,731) | (1,213,734)
Profit retention reserve |  |  |  |  | 1,946,205 |  | (1,946,205) |  |  |
Ending balance, value at Dec. 31, 2021 | 10,800,000 | 633,789 | (207,619) | 1,457,087 | 7,785,092 | 1,368,675 |  | 21,837,024 | 338,211 | 22,175,235
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 1,112,007 | 1,112,007 | 37,314 | 1,149,321
Other comprehensive income |  |  |  |  |  |  |  |  |  |
Adjustments related to actuarial liabilities, net of taxes |  |  | 202,509 |  |  |  |  | 202,509 | 683 | 203,192
Adjustments related to financial assets |  |  | 4,757 |  |  |  |  | 4,757 | 2,038 | 6,795
Total comprehensive income |  |  | 207,266 |  |  |  | 1,112,007 | 1,319,273 | 40,035 | 1,359,308
Realization - deemed cost, net of taxes |  | (36,513) |  |  |  |  | 36,513 |  |  |
Realization - actuarial gain |  |  | (3,541) |  | 3,541 |  |  |  |  |
Deliberation of additional dividends proposed |  |  |  |  |  | (1,368,675) |  | (1,368,675) |  | (1,368,675)
Dividends and Interest on equity (JSCP) |  |  |  |  | (891,000) |  | (79,000) | (970,000) | (40,198) | (1,010,198)
Allocation proposed to Annual General Meeting - AGM: |  |  |  |  |  |  |  |  |  |
Legal reserve |  |  |  | 55,600 |  |  | (55,600) |  |  |
Dividends |  |  |  |  |  |  | (258) | (258) | (24,187) | (24,445)
Profit retention reserve |  |  |  |  | 1,013,662 |  | (1,013,662) |  |  |
Ending balance, value at Dec. 31, 2022 | 10,800,000 | 597,276 | (3,894) | 1,512,687 | 7,911,295 |  |  | 20,817,364 | 313,861 | 21,131,225
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 2,258,810 | 2,258,810 | 68,358 | 2,327,168
Other comprehensive income |  |  |  |  |  |  |  |  |  |
Adjustments related to actuarial liabilities, net of taxes |  |  | (250,837) |  |  |  |  | (250,837) | 718 | (250,119)
Adjustments related to financial assets |  |  | (2,942) |  |  |  |  | (2,942) | (1,264) | (4,206)
Total comprehensive income |  |  | (253,779) |  |  |  | 2,258,810 | 2,005,031 | 67,812 | 2,072,843
Realization - deemed cost, net of taxes |  | (32,553) |  |  |  |  | 32,553 |  |  |
Issuing shares | 2,021,758 |  |  |  |  |  |  | 2,021,758 |  | 2,021,758
Dividends and Interest on equity (JSCP) |  |  |  |  |  |  |  |  | (62,162) | (62,162)
Allocation proposed to Annual General Meeting - AGM: |  |  |  |  |  |  |  |  |  |
Legal reserve |  |  |  | 112,941 |  |  | (112,941) |  |  |
Interest on own capital |  |  |  |  | (44,160) |  | (913,840) | (958,000) | (13,886) | (971,886)
Dividends |  |  |  |  |  | 131,211 | (131,211) |  | (111) | (111)
Profit retention reserve |  |  |  |  | 1,133,371 |  | (1,133,371) |  |  |
Ending balance, value at Dec. 31, 2023 | R$ 12,821,758 | R$ 564,723 | R$ (257,673) | R$ 1,625,628 | R$ 9,000,506 | R$ 131,211 |  | R$ 23,886,153 | R$ 305,514 | R$ 24,191,667

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