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CONTRACTUAL TRANSMISSION ASSETS - Movements (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Investments in subsidiaries, joint ventures and associates [abstract] |  |
Balance at beginning of period | R$ 61,052,210 | R$ 59,514,968
Additions resulting from acquisitions | 1,049,923 |
Construction revenue | 2,960,792 | 1,494,307
Financial income | 7,136,080 | 7,901,256
Regulatory remeasurements - Transmission Contracts | (12,144) | 365,178
Transfers | (21,778) | 20,762
Amortization | (10,952,745) | (8,244,261)
Balance at end of period | R$ 61,212,338 | 61,052,210
Discount rate for renewed contracts awarded (as a percent) | 8.08% |
Average discount rate for renewed contracts (as a percent) | 7.51% |
Current contract assets from right to the consideration originated by the non-depreciated infrastructure of RBSE | R$ 31,803,983 |
Furnas [Member] |  |
Investments in subsidiaries, joint ventures and associates [abstract] |  |
Balance at beginning of period | 24,763,617 | 24,494,418
Additions resulting from acquisitions | 1,049,923 |
Construction revenue | 1,249,585 | 480,112
Financial income | 2,931,600 | 3,252,503
Regulatory remeasurements - Transmission Contracts |  | 19,874
Amortization | (4,822,141) | (3,483,290)
Balance at end of period | 25,172,584 | 24,763,617
Chesf |  |
Investments in subsidiaries, joint ventures and associates [abstract] |  |
Balance at beginning of period | 18,860,799 | 18,128,156
Construction revenue | 709,311 | 605,344
Financial income | 2,201,144 | 2,403,532
Regulatory remeasurements - Transmission Contracts | 184 | 228,155
Amortization | (3,313,874) | (2,504,388)
Balance at end of period | 18,457,564 | 18,860,799
Eletronorte |  |
Investments in subsidiaries, joint ventures and associates [abstract] |  |
Balance at beginning of period | 10,773,184 | 10,607,255
Construction revenue | 642,678 | 143,735
Financial income | 1,271,975 | 1,399,382
Regulatory remeasurements - Transmission Contracts | (350) | 21,890
Amortization | (1,797,801) | (1,399,078)
Balance at end of period | 10,889,686 | 10,773,184
CGT Eletrosul |  |
Investments in subsidiaries, joint ventures and associates [abstract] |  |
Balance at beginning of period | 6,654,610 | 6,285,139
Construction revenue | 359,218 | 265,116
Financial income | 731,361 | 845,839
Regulatory remeasurements - Transmission Contracts | (11,978) | 95,259
Transfers | (21,778) | 20,762
Amortization | (1,018,929) | (857,505)
Balance at end of period | R$ 6,692,504 | R$ 6,654,610

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