XML 110 R89.htm IDEA: XBRL DOCUMENT v3.21.1
5. OPERATING SEGMENTS (Details 1) - BRL (R$)
R$ in Millions
 12 Months Ended
Jan. 02, 2019
 [1]
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of revenue [line items]        
Revenue from supply of energy   R$ 26,432 R$ 26,927 R$ 24,872
Revenue from Use of Distribution Systems (the TUSD charge)   3,022    
CVA and Other financial components in tariff adjustment   455    
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization   266    
Transmission operation and maintenance revenue   280    
Transmission construction revenue   201    
Interest revenue arising from the financing component in transmission contract asset   438    
Generation assets - indemnity revenue      
Distribution construction revenue   1,436    
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified   16    
Gain on inflation updating of concession grant fee   347    
Transactions in energy on the CCEE   154    
Mechanism for the sale of surplus   234    
Supply of gas   2,011    
Fine for violation of continuity indicator   (51)    
Other operating revenues   1,709 1,721 1,585
Sector / Regulatory charges reported as Deductions from revenue   (11,722)    
NET REVENUE   25,228 25,487 [1] 22,266
Restated [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy     26,928  
Revenue from Use of Distribution Systems (the TUSD charge)     2,722 2,045
CVA and Other financial components in tariff adjustment     58 1,973
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization     1,428
Transmission operation and maintenance revenue     352 343
Transmission construction revenue     312 138
Interest revenue arising from the financing component in transmission contract asset     328  
Generation assets - indemnity revenue     328 55
Transmission assets - indemnity revenue       311
Distribution construction revenue     980 802
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified     18
Gain on inflation updating of concession grant fee     318 321
Transactions in energy on the CCEE     432 217
Supply of gas     2,298 1,995
Fine for violation of continuity indicator     (58) (44)
Other operating revenues     1,721 1,585
Sector / Regulatory charges reported as Deductions from revenue     (12,351) (12,314)
NET REVENUE R$ 22,299   25,486 [2],[3] 22,299 [2]
Operating Segments [member] | Elimination Segments [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy   (79)    
Revenue from Use of Distribution Systems (the TUSD charge)   (24)    
Transmission operation and maintenance revenue   (226)    
Other operating revenues   (4)    
NET REVENUE   (333) (307)  
Operating Segments [member] | Elimination Segments [member] | Restated [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy     (76) (78)
Revenue from Use of Distribution Systems (the TUSD charge)     (25) (22)
CVA and Other financial components in tariff adjustment      
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization      
Transmission operation and maintenance revenue     (198) (177)
Transmission construction revenue      
Transmission assets - indemnity revenue      
Distribution construction revenue      
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified      
Gain on inflation updating of concession grant fee      
Transactions in energy on the CCEE      
Supply of gas      
Fine for violation of continuity indicator      
Other operating revenues     (8) (16)
Sector / Regulatory charges reported as Deductions from revenue      
NET REVENUE     (307) (293)
Operating Segments [member] | Energy Generation Segment [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy   7,337    
Gain on inflation updating of concession grant fee   347    
Transactions in energy on the CCEE   154    
Other operating revenues   5    
Sector / Regulatory charges reported as Deductions from revenue   (1,306)    
NET REVENUE   6,537 6,882  
Operating Segments [member] | Energy Generation Segment [member] | Restated [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy     7,037 7,065
Revenue from Use of Distribution Systems (the TUSD charge)      
CVA and Other financial components in tariff adjustment      
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization     414  
Transmission operation and maintenance revenue      
Transmission construction revenue      
Generation assets - indemnity revenue       55
Transmission assets - indemnity revenue      
Distribution construction revenue      
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified      
Gain on inflation updating of concession grant fee     318 321
Transactions in energy on the CCEE     439 217
Supply of gas      
Fine for violation of continuity indicator      
Other operating revenues     82 82
Sector / Regulatory charges reported as Deductions from revenue     (1,408) (1,366)
NET REVENUE     6,882 6,374
Operating Segments [member] | Energy Transmission Segment [member]        
Disclosure of revenue [line items]        
Transmission operation and maintenance revenue   506    
Transmission construction revenue   201    
Interest revenue arising from the financing component in transmission contract asset   438    
Other operating revenues   34    
Sector / Regulatory charges reported as Deductions from revenue   (436)    
NET REVENUE   743 811  
Operating Segments [member] | Energy Transmission Segment [member] | Restated [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy      
Revenue from Use of Distribution Systems (the TUSD charge)      
CVA and Other financial components in tariff adjustment      
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization      
Transmission operation and maintenance revenue     550 520
Transmission construction revenue     312 138
Interest revenue arising from the financing component in transmission contract asset     328 311
Distribution construction revenue      
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified      
Gain on inflation updating of concession grant fee      
Transactions in energy on the CCEE      
Supply of gas      
Fine for violation of continuity indicator      
Other operating revenues     28 29
Sector / Regulatory charges reported as Deductions from revenue     (407) (290)
NET REVENUE     811 708
Operating Segments [member] | Energy Distribution Segment [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy   19,174    
Revenue from Use of Distribution Systems (the TUSD charge)   3,046    
CVA and Other financial components in tariff adjustment   455    
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization   266    
Distribution construction revenue   1,385    
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified   16    
Mechanism for the sale of surplus   234    
Fine for violation of continuity indicator   (51)    
Other operating revenues   1,561    
Sector / Regulatory charges reported as Deductions from revenue   (9,574)    
NET REVENUE   16,512 15,919  
Operating Segments [member] | Energy Distribution Segment [member] | Restated [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy     19,967 17,885
Revenue from Use of Distribution Systems (the TUSD charge)     2,747 2,067
CVA and Other financial components in tariff adjustment     58 1,973
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization     830  
Transmission operation and maintenance revenue      
Transmission construction revenue      
Transmission assets - indemnity revenue      
Distribution construction revenue     937 757
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified     18  
Gain on inflation updating of concession grant fee      
Transactions in energy on the CCEE     (7)  
Supply of gas      
Fine for violation of continuity indicator     (58) (44)
Other operating revenues     1,468 1,345
Sector / Regulatory charges reported as Deductions from revenue     (10,041) (10,226)
NET REVENUE     15,919 13,757
Operating Segments [member] | Gas Segment [member]        
Disclosure of revenue [line items]        
Distribution construction revenue   51    
Supply of gas   2,011    
Other operating revenues      
Sector / Regulatory charges reported as Deductions from revenue   (398)    
NET REVENUE   1,664 1,858  
Operating Segments [member] | Gas Segment [member] | Restated [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy      
Revenue from Use of Distribution Systems (the TUSD charge)      
CVA and Other financial components in tariff adjustment      
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization      
Transmission operation and maintenance revenue      
Transmission construction revenue      
Transmission assets - indemnity revenue      
Distribution construction revenue     43 45
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified      
Gain on inflation updating of concession grant fee      
Transactions in energy on the CCEE      
Supply of gas     2,298 1,995
Fine for violation of continuity indicator      
Other operating revenues      
Sector / Regulatory charges reported as Deductions from revenue     (483) (421)
NET REVENUE     1,858 1,619
Operating Segments [member] | Other Segments [member]        
Disclosure of revenue [line items]        
Other operating revenues   113    
Sector / Regulatory charges reported as Deductions from revenue   (8)    
NET REVENUE   R$ 105 324  
Operating Segments [member] | Other Segments [member] | Restated [member]        
Disclosure of revenue [line items]        
Revenue from supply of energy      
Revenue from Use of Distribution Systems (the TUSD charge)      
CVA and Other financial components in tariff adjustment      
Reimbursement of PIS/Pasep and Cofins over ICMS credits to customers- realization     184  
Transmission operation and maintenance revenue      
Transmission construction revenue      
Transmission assets - indemnity revenue      
Distribution construction revenue      
Adjustment to expectation of cash flow from Financial assets of distribution concession to be indemnified      
Gain on inflation updating of concession grant fee      
Transactions in energy on the CCEE      
Supply of gas      
Fine for violation of continuity indicator      
Other operating revenues     151 145
Sector / Regulatory charges reported as Deductions from revenue     (12) (11)
NET REVENUE     R$ 323 R$ 134
[1] See note 2.8.
[2] For further details of restatement of comparative balances, see Note 2.8
[3] Recognition of the profit margin associated to the performance obligation to construct and upgrade the transmission infrastructure, as well as the interest revenue resulting from the financing component;