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RECOVERABLE VALUE OF LONG-TERM ASSETS - Reversal or recognition of Impairment loss Generation Segment (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | R$ 2,689,823 |
Balance at end of the year | 1,847,079 | R$ 2,689,823
Generation |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 2,620,752 | 6,964,625
Additions/ (Reversals) | 956,492 | (235,898)
Write-Offs | (33,160) |
Transfers | (1,767,436) | (71,007)
Effects of deconsolidation - Eletronuclear |  | (4,508,764)
Balance at end of the year | 1,776,648 | 2,620,752
Generation | UTE Candiota |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 1,043,193 |
Additions/ (Reversals) | (225) |
Transfers | (1,042,968) |
Balance at end of the year |  | 1,043,193
Generation | UTE Santa Cruz |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 567,253 | 279,379
Additions/ (Reversals) |  | (287,874)
Transfers | (567,253) |
Balance at end of the year |  | 567,253
Generation | UTE Candiota Phase B |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 276,877 | 305,778
Additions/ (Reversals) | (396) | 23,684
Transfers | (276,481) |
Balance at end of the year |  | 276,877
Generation | Eolica Casa Nova I |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 234,733 | 257,579
Additions/ (Reversals) | 31,522 | 22,846
Balance at end of the year | 266,255 | 234,733
Generation | UHE Batalha |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 78,651 | 148,953
Additions/ (Reversals) | (3,304) | 70,302
Balance at end of the year | 75,347 | 78,651
Generation | UTE Maua Bloco 4 |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 49,372 | 49,372
Balance at end of the year | 49,372 | 49,372
Generation | UTE Aparecide Oleo |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 46,258 | 46,258
Balance at end of the year | 46,258 | 46,258
Generation | UTE Maua Bloco 1 |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 41,040 | 41,040
Balance at end of the year | 41,040 | 41,040
Generation | PCH Funil |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 39,098 |
Additions/ (Reversals) | (39,098) | (39,098)
Balance at end of the year |  | 39,098
Generation | Eolica Ventos de Angelim S.A. |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 31,914 |
Additions/ (Reversals) |  | (31,914)
Write-Offs | (31,914) |
Balance at end of the year |  | 31,914
Generation | PCH Pedra |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 12,445 |
Additions/ (Reversals) | 9,402 | (12,445)
Balance at end of the year | 21,847 | 12,445
Generation | Elica Coxilha Negra |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Additions/ (Reversals) | 591,926 |
Balance at end of the year | 591,926 |
Generation | Samuel HPP |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Additions/ (Reversals) | 261,886 |
Balance at end of the year | 261,886 |
Generation | Coaracy Nunes HPP |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year |  | 71,007
Transfers |  | (71,007)
Generation | PCH Joao Borges |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Additions/ (Reversals) | 57,523 |
Balance at end of the year | 57,523 |
Generation | PCH Rio Chapeu |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Additions/ (Reversals) | 48,392 |
Balance at end of the year | 48,392 |
Generation | Others |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 199,918 | 200,925
Additions/ (Reversals) | (59,617) | 6,224
Write-Offs | (1,246) |
Transfers | 62,715 |
Balance at end of the year | 201,770 | 199,918
Generation | UTN Angra 3 |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year |  | 4,508,764
Effects of deconsolidation - Eletronuclear |  | (4,508,764)
Generation | TPP Candiota |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year | 1,043,193 | 1,054,306
Additions/ (Reversals) |  | 11,113
Balance at end of the year |  | 1,043,193
Generation | Eolica Coxilha Seca |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Balance at beginning of the year |  | 1,264
Additions/ (Reversals) | 47,358 | R$ 1,264
Balance at end of the year | 47,358 |
Generation | Ibirapuit |  |
RECOVERABLE VALUE OF LONG-TERM ASSETS |  |
Additions/ (Reversals) | 11,123 |
Transfers | 56,551 |
Balance at end of the year | R$ 67,674 |

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