XML 182 R130.htm IDEA: XBRL DOCUMENT v3.24.1.u1
INVESTMENTS - Change of investments (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 50.38%  
Provision for losses on investments R$ 337,152 R$ 981,179
SPE Chapecoense Gerao    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 54.01%  
SPE Chapecoense Gerao | Common shares    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 43.03%  
SPE Chapecoense Gerao | Preferred shares    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 100.00%  
EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 32,224,264 25,769,172
Capital payment 56,072  
Effects of deconsolidation   6,571,987
Acquisition of investee control (1,138,562)  
Transfer to assets held for sale/Write-off   (1,580,783)
Other Comprehensive Results (27,441) 564,846
Capital Increase/Reduction   48,202
Dividends and Interest on own capital (1,552,374) (1,540,189)
Equity pickup method 2,077,530 2,005,809
Estimated loss on investment 460,813 385,220
Balance at the end of the period 32,100,302 32,224,264
Associates | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 13,862,743 7,020,836
Effects of deconsolidation   6,571,987
Transfer to assets held for sale/Write-off   (992,914)
Other Comprehensive Results (17,410) 573,935
Capital Increase/Reduction   (17,932)
Dividends and Interest on own capital (836,104) (627,841)
Equity pickup method 1,456,555 1,334,672
Balance at the end of the period R$ 14,465,784 R$ 13,862,743
Eletronuclears    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in associate 67.95% 67.95%
Percentage of Share Capital 67.95%  
Eletronuclears | Common shares    
CHANGES IN INVESTMENTS    
Percentage of Share Capital 35.90%  
Eletronuclears | Preferred shares    
CHANGES IN INVESTMENTS    
Percentage of Share Capital 99.99%  
Eletronuclears | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 7,188,028  
Effects of deconsolidation   R$ 6,571,987
Other Comprehensive Results (1,204) 474,581
Equity pickup method 26,530 141,460
Balance at the end of the period R$ 7,213,354 R$ 7,188,028
Companhia de Transmisso de Energia Eltrica Paulista - CTEEP    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in associate 35.74% 35.03%
Companhia de Transmisso de Energia Eltrica Paulista - CTEEP | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 5,007,916 R$ 4,451,016
Other Comprehensive Results (68,008) 75,855
Capital Increase/Reduction   (11,244)
Dividends and Interest on own capital (519,299) (250,310)
Equity pickup method 947,470 742,599
Balance at the end of the period 5,368,080 5,007,916
Companhia Estadual De Transmissao De Energia Eletrica CEEE T | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period   644,208
Transfer to assets held for sale/Write-off   (648,271)
Dividends and Interest on own capital   R$ 4,063
Lajeado Energia S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in associate   40.07%
Lajeado Energia S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 96,037 R$ 99,516
Other Comprehensive Results   67
Dividends and Interest on own capital   (115,640)
Equity pickup method   112,094
Balance at the end of the period   R$ 96,037
CEB Lajeado S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in associate   40.07%
CEB Lajeado S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 94,839 R$ 74,160
Other Comprehensive Results   18
Dividends and Interest on own capital   (37,123)
Equity pickup method   57,784
Balance at the end of the period   R$ 94,839
Paulista Lajeado Energia S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in associate   40.07%
Paulista Lajeado Energia S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 14,522 R$ 37,925
Dividends and Interest on own capital   (13,690)
Equity pickup method   (9,713)
Balance at the end of the period   14,522
Others | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 1,666,799  
Other Comprehensive Results 51,802  
Dividends and Interest on own capital (316,805)  
Equity pickup method 482,554  
Balance at the end of the period R$ 1,884,349 R$ 1,666,799
Others | Minimum    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in associate 33.41% 33.28%
Others | Maximum    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in associate 40.44% 39.02%
Jointly controlled | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 18,361,521 R$ 18,748,336
Capital payment 56,072  
Acquisition of investee control (1,138,562)  
Transfer to assets held for sale/Write-off   (587,869)
Other Comprehensive Results (10,031) (9,089)
Capital Increase/Reduction   66,134
Dividends and Interest on own capital (716,270) (912,348)
Equity pickup method 620,975 671,137
Estimated loss on investment 460,813 385,220
Balance at the end of the period R$ 17,634,518 R$ 18,361,521
Norte Energia S.A. - NESA    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.98% 49.98%
Provision for losses on investments R$ 337,152  
Norte Energia S.A. - NESA | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 6,060,822 R$ 6,384,303
Equity pickup method (431,409) (323,481)
Estimated loss on investment (337,152)  
Balance at the end of the period R$ 5,292,261 R$ 6,060,822
Energia Sustentavel do Brasil S.A. - ESBR    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 40.00% 40.00%
Energia Sustentavel do Brasil S.A. - ESBR | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 3,563,552 R$ 3,295,627
Equity pickup method 17,684 (41,692)
Estimated loss on investment   309,617
Balance at the end of the period R$ 3,581,236 R$ 3,563,552
Belo Monte Transmissora de Energia SPE S.A    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
Belo Monte Transmissora de Energia SPE S.A | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 2,005,808 R$ 1,895,036
Capital payment 550  
Dividends and Interest on own capital (63,089) (66,400)
Equity pickup method 208,823 177,172
Balance at the end of the period R$ 2,152,092 R$ 2,005,808
Interligao Eltrica do Madeira S.A. - IE Madeira    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
Interligao Eltrica do Madeira S.A. - IE Madeira | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 1,735,667 R$ 1,409,983
Dividends and Interest on own capital (67,845) (123,598)
Equity pickup method 201,815 231,063
Estimated loss on investment 92,192 218,219
Balance at the end of the period R$ 1,961,829 R$ 1,735,667
Teles Pires Participaes S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 100.00% 49.44%
Provision for losses on investments   R$ 468,478
Teles Pires Participaes S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 315,385 789,994
Capital payment 26,696  
Acquisition of investee control (589,111)  
Capital Increase/Reduction   46,336
Equity pickup method (38,234) (52,467)
Estimated loss on investment R$ 285,264 (468,478)
Balance at the end of the period   R$ 315,385
Mata de Santa Genebra Transmissora S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.90% 49.90%
Provision for losses on investments   R$ 141,393
Mata de Santa Genebra Transmissora S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 548,104 634,284
Dividends and Interest on own capital (13,782) (74,570)
Equity pickup method 58,030 55,915
Estimated loss on investment 141,393 (67,525)
Balance at the end of the period R$ 733,745 R$ 548,104
Interligao Eltrica Garanhuns S.A. - IE Garanhuns    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
Provision for losses on investments   R$ 92,192
Interligao Eltrica Garanhuns S.A. - IE Garanhuns | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 502,090 413,106
Dividends and Interest on own capital (16,433) (7,415)
Equity pickup method 57,613 96,399
Balance at the end of the period R$ 543,270 R$ 502,090
Empresa de Energia Sao Manoel S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 33.33% 33.33%
Empresa de Energia Sao Manoel S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 588,913 R$ 428,168
Equity pickup method (9,405) (16,771)
Estimated loss on investment   177,516
Balance at the end of the period R$ 579,508 R$ 588,913
Energtica guas das Pedras S.A. - EAPSA    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture   49.00%
Energtica guas das Pedras S.A. - EAPSA | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period   R$ 291,327
Transfer to assets held for sale/Write-off   (286,776)
Dividends and Interest on own capital   (65,154)
Equity pickup method   R$ 60,603
Companhia Energetica Sinop S.A. - SINOP    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
Provision for losses on investments   R$ 139,677
Companhia Energetica Sinop S.A. - SINOP | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 526,442 349,256
Equity pickup method (27,042) (38,037)
Estimated loss on investment 139,677 215,223
Balance at the end of the period R$ 639,077 R$ 526,442
Sistema de Transmissao Nordeste S.A.- STN    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
Sistema de Transmissao Nordeste S.A.- STN | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 269,217 R$ 258,272
Dividends and Interest on own capital (52,145) (52,964)
Equity pickup method 47,000 63,909
Balance at the end of the period R$ 264,072 R$ 269,217
Chapecoense Geracao S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 40.00% 40.00%
Chapecoense Geracao S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 253,633 R$ 454,259
Dividends and Interest on own capital (221,467) (369,709)
Equity pickup method 183,212 169,083
Balance at the end of the period R$ 215,378 R$ 253,633
Enerpeixe S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 40.00% 40.00%
Enerpeixe S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 261,789 R$ 266,309
Dividends and Interest on own capital (1,848)  
Equity pickup method 3,695 (4,520)
Balance at the end of the period R$ 263,636 R$ 261,789
Goias Transmissao S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
Goias Transmissao S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 206,773 R$ 177,274
Dividends and Interest on own capital (29,751) (9,188)
Equity pickup method 14,553 38,687
Balance at the end of the period R$ 191,575 R$ 206,773
Paranaiba Transmissora de Energia S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 24.50% 24.50%
Paranaiba Transmissora de Energia S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 222,169 R$ 188,675
Dividends and Interest on own capital (8,360) (10,433)
Equity pickup method 35,201 43,927
Balance at the end of the period R$ 249,010 R$ 222,169
MGE Transmissao S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
MGE Transmissao S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 196,954 R$ 168,273
Dividends and Interest on own capital (13,941) (8,934)
Equity pickup method 20,702 37,615
Balance at the end of the period R$ 203,715 R$ 196,954
Triangulo Mineiro Transmissora S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 100.00% 49.00%
Triangulo Mineiro Transmissora S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 199,746 R$ 182,828
Acquisition of investee control (217,489)  
Dividends and Interest on own capital (4,410) (5,145)
Equity pickup method R$ 22,153 22,063
Balance at the end of the period   R$ 199,746
Retiro Baixo Energtica S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 100.00% 49.00%
Retiro Baixo Energtica S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 155,470 R$ 168,726
Acquisition of investee control (168,566)  
Dividends and Interest on own capital   (37,513)
Equity pickup method R$ 13,096 24,257
Balance at the end of the period   R$ 155,470
Rouar S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 50.00% 50.00%
Rouar S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 133,828 R$ 134,264
Other Comprehensive Results (10,031) (9,089)
Dividends and Interest on own capital (12,560) (4,734)
Equity pickup method 12,206 13,387
Balance at the end of the period R$ 123,443 R$ 133,828
Transenergia Renovavle S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.00% 49.00%
Transenergia Renovavle S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 96,112 R$ 97,461
Dividends and Interest on own capital (13,117) (13,514)
Equity pickup method 18,568 12,165
Balance at the end of the period R$ 101,563 R$ 96,112
Vale do Sao Bartolomeu Transmissora de Energia S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 90.00% 39.00%
Vale do Sao Bartolomeu Transmissora de Energia S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 89,860 R$ 79,406
Acquisition of investee control (103,945)  
Dividends and Interest on own capital (3,120) (6,240)
Equity pickup method 17,205 16,694
Balance at the end of the period   R$ 89,860
Luziania-Niquelandia Transmissora S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture   49.00%
Luziania-Niquelandia Transmissora S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 47,750 R$ 38,320
Dividends and Interest on own capital   (5,700)
Equity pickup method   15,130
Balance at the end of the period   47,750
Itaipu | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period   279,025
Transfer to assets held for sale/Write-off   (279,025)
Transnorte Energia S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 50.38%  
Provision for losses on investments   122,787
Transnorte Energia S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 39,627  
Equity pickup method 38,830  
Estimated loss on investment 122,787  
Balance at the end of the period R$ 201,244 39,627
Tijoa Participaes e Investimentos    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 49.90%  
Tijoa Participaes e Investimentos | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 28,527  
Dividends and Interest on own capital (41,813)  
Equity pickup method 43,189  
Balance at the end of the period R$ 29,903 28,527
Baguari Energia    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 100.00%  
Baguari Energia | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 71,987  
Acquisition of investee control (59,451)  
Dividends and Interest on own capital (5,109)  
Equity pickup method R$ (7,427)  
Balance at the end of the period   71,987
Vamcruz I Participaes S.A.    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in joint venture 24.50%  
Vamcruz I Participaes S.A. | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 130,332  
Dividends and Interest on own capital (394)  
Equity pickup method 1,661  
Balance at the end of the period 131,599 130,332
Other | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 158,714  
Capital payment 28,826  
Dividends and Interest on own capital (147,086)  
Equity pickup method 119,256  
Estimated loss on investment 16,652  
Balance at the end of the period 176,362 158,714
Others | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period 381,437 364,160
Transfer to assets held for sale/Write-off   (22,068)
Capital Increase/Reduction   19,798
Dividends and Interest on own capital   (51,137)
Equity pickup method   70,036
Estimated loss on investment   648
Balance at the end of the period   381,437
Others | Others | EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY    
CHANGES IN INVESTMENTS    
Balance at the beginning of the period R$ 1,461,401 1,714,011
Transfer to assets held for sale/Write-off   (344,643)
Other Comprehensive Results   23,414
Capital Increase/Reduction   (6,688)
Dividends and Interest on own capital   (215,141)
Equity pickup method   290,448
Balance at the end of the period   R$ 1,461,401
Furnas    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in subsidiary 100.00% 99.67%
Chesf    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in subsidiary 100.00% 99.58%
CGT Eletrosul    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in subsidiary 100.00% 99.96%
Eletropar    
CHANGES IN INVESTMENTS    
Proportion of ownership interest in subsidiary 83.71% 83.71%