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Net Sectorial Financial Assets and Liabilities (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | R$ (101,857) | R$ 474,301
Operating revenues, constitution | 175,359 | 1,297,402
Operating revenues, amortization | 894,837 | 550,461
Financial results, updating | 58,253 | 135,545
Statement of financial position constitution | (1,442,885) | (2,080,869)
Net sectorial financial assets and liabilities, ending | (473,045) | (101,857)
Tariff flags | (56,752) | (478,697)
Net sectorial financial assets and liabilities, beginning | (473,045) | (101,857)
Sectorial financial assets, current, beginning | 190,699 | 383,740
Sectorial financial assets, current, ending | 15,473 | 190,699
Other non-current financial assets, beginning | 190,699 | 383,740
Other non-current financial assets, ending | 15,473 | 190,699
Other current financial liabilities, beginning | (433,914) | (139,770)
Other current financial liabilities, ending | (476,103) | (433,914)
Other non-current financial liabilities, beginning | (49,341) | (153,409)
Other non-current financial liabilities, ending | (27,888) | (49,341)
Portion A [Member] | Electricity Purchased For Resale Itaipu [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 819,649 | 1,286,966
Operating revenues, constitution | (70,066) | 344,732
Operating revenues, amortization | (702,517) | (914,566)
Financial results, updating | 59,495 | 102,517
Rate flags |  |
Statement of financial position constitution |  |
Net sectorial financial assets and liabilities, ending | 106,561 | 819,649
Net sectorial financial assets and liabilities, beginning | 106,561 | 819,649
Portion A [Member] | C V A Energ [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | (582,059) | (475,842)
Operating revenues, constitution | (444,221) | (540,360)
Operating revenues, amortization | 555,568 | 429,160
Financial results, updating | (86,565) | (36,149)
Net sectorial financial assets and liabilities, ending | (557,165) | (582,059)
Tariff flags | 112 | 41,132
Net sectorial financial assets and liabilities, beginning | (557,165) | (582,059)
Portion A [Member] | Charges For Using The Transmission System Basic Grid [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 253,766 | 180,521
Operating revenues, constitution | 540,084 | 213,107
Operating revenues, amortization | (244,243) | (152,329)
Financial results, updating | 51,550 | 12,467
Net sectorial financial assets and liabilities, ending | 601,157 | 253,766
Net sectorial financial assets and liabilities, beginning | 601,157 | 253,766
Portion A [Member] | Transport Of Energy Purchased From Itaipu [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 10,706 | 14,018
Operating revenues, constitution | 50,824 | 8,125
Operating revenues, amortization | (10,188) | (11,823)
Financial results, updating | 3,251 | 386
Net sectorial financial assets and liabilities, ending | 54,593 | 10,706
Net sectorial financial assets and liabilities, beginning | 54,593 | 10,706
Portion A [Member] | E S S [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 227,329 | 531,280
Operating revenues, constitution | 271,566 | 417,465
Operating revenues, amortization | (323,495) | (324,194)
Financial results, updating | 23,651 | 46,467
Net sectorial financial assets and liabilities, ending | 142,484 | 227,329
Tariff flags | (56,567) | (443,689)
Net sectorial financial assets and liabilities, beginning | 142,484 | 227,329
Portion A [Member] | C D E [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 200,493 | (18,786)
Operating revenues, constitution | (55,037) | 392,608
Operating revenues, amortization | (149,314) | (201,781)
Financial results, updating | 5,138 | 28,452
Net sectorial financial assets and liabilities, ending | 1,280 | 200,493
Net sectorial financial assets and liabilities, beginning | 1,280 | 200,493
Portion A [Member] | Proinfa [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 42,078 | 10,501
Operating revenues, constitution | (32,344) | 77,631
Operating revenues, amortization | (22,660) | (53,235)
Financial results, updating | (1,569) | 7,181
Net sectorial financial assets and liabilities, ending | (14,495) | 42,078
Net sectorial financial assets and liabilities, beginning | (14,495) | 42,078
Other Financial Components [Member] | Refunds Of Pis And Cofins [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | (765,573) | (337,350)
Operating revenues, amortization | 1,525,351 | 1,164,877
Statement of financial position constitution | (1,462,673) | (1,593,100)
Net sectorial financial assets and liabilities, ending | (702,895) | (765,573)
Net sectorial financial assets and liabilities, beginning | (702,895) | (765,573)
Other Financial Components [Member] | Neutrality [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 98,598 | 81,177
Operating revenues, constitution | (41,000) | 94,338
Operating revenues, amortization | (79,292) | (81,461)
Financial results, updating | 2,072 | 4,544
Net sectorial financial assets and liabilities, ending | (19,622) | 98,598
Net sectorial financial assets and liabilities, beginning | (19,622) | 98,598
Other Financial Components [Member] | Offset Of Energy Surplus Deficit Under C C E A R Bilateral Contracts [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | (186) | (184)
Operating revenues, constitution |  | (239)
Operating revenues, amortization | 186 | 385
Financial results, updating |  | (148)
Net sectorial financial assets and liabilities, ending |  | (186)
Net sectorial financial assets and liabilities, beginning |  | (186)
Other Financial Components [Member] | Hydrological Risk [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | (524,806) | (604,152)
Operating revenues, constitution | (431,385) | (463,625)
Operating revenues, amortization | 504,007 | 570,582
Financial results, updating | (23,216) | (27,611)
Net sectorial financial assets and liabilities, ending | (475,400) | (524,806)
Net sectorial financial assets and liabilities, beginning | (475,400) | (524,806)
Other Financial Components [Member] | Tariff Refunds [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | (175,460) | (198,997)
Operating revenues, constitution | (92,589) | (66,898)
Operating revenues, amortization | 96,560 | 101,685
Financial results, updating | (10,118) | (11,250)
Net sectorial financial assets and liabilities, ending | (181,607) | (175,460)
Net sectorial financial assets and liabilities, beginning | (181,607) | (175,460)
Other Financial Components [Member] | Overcontracting [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 436,324 | (78,596)
Operating revenues, constitution | 327,874 | 522,321
Operating revenues, amortization | (176,556) | 53,319
Financial results, updating | 46,848 | 15,420
Net sectorial financial assets and liabilities, ending | 634,193 | 436,324
Tariff flags | (297) | (76,140)
Net sectorial financial assets and liabilities, beginning | 634,193 | 436,324
Other Financial Components [Member] | Itaipu Bonus [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 4,943 | (26,451)
Operating revenues, constitution | (68) | 46,915
Operating revenues, amortization | (66,026) | (6,240)
Financial results, updating | (1,076) | (4,568)
Statement of financial position constitution | 58,984 | (4,713)
Net sectorial financial assets and liabilities, ending | (3,243) | 4,943
Net sectorial financial assets and liabilities, beginning | (3,243) | 4,943
Other Financial Components [Member] | Water Shortage Account [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | (71,188) |
Operating revenues, constitution |  |
Operating revenues, amortization | 71,188 | 76,949
Financial results, updating |  | (2,293)
Statement of financial position constitution |  | (145,844)
Net sectorial financial assets and liabilities, ending |  | (71,188)
Net sectorial financial assets and liabilities, beginning |  | (71,188)
Other Financial Components [Member] | C D E Eletrobras [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | (184,100) |
Operating revenues, constitution | 165,167 | 165,214
Operating revenues, amortization | 24,583 |
Financial results, updating | (8,336) | (13,803)
Statement of financial position constitution | (39,196) | (335,511)
Net sectorial financial assets and liabilities, ending | (41,882) | (184,100)
Net sectorial financial assets and liabilities, beginning | (41,882) | (184,100)
Other Financial Components [Member] | Others [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Net sectorial financial assets and liabilities, beginning | 107,629 | 110,196
Operating revenues, constitution | (13,446) | 86,068
Operating revenues, amortization | (108,315) | (100,867)
Financial results, updating | (2,872) | 13,933
Statement of financial position constitution |  | (1,701)
Net sectorial financial assets and liabilities, ending | (17,004) | 107,629
Net sectorial financial assets and liabilities, beginning | R$ (17,004) | R$ 107,629

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