XML 198 R182.htm IDEA: XBRL DOCUMENT v3.19.1
32. Operating Costs and Expenses (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses R$ (11,501,688) R$ (10,665,890) R$ (10,234,115)
Selling expenses (148,709) (169,050) (250,448)
General and administrative expenses (723,534) (685,675) (741,145)
Other operating expenses, net (302,690) (464,316) (53,638)
Total operating costs and expenses (12,676,621) (11,984,931) (11,279,346)
Electricity purchased for resale      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (6,361,178) (6,165,450) (4,685,604)
Selling expenses 0 0 0
General and administrative expenses 0 0 0
Other operating expenses, net 0 0 0
Total operating costs and expenses (6,361,178) (6,165,450) (4,685,604)
Charge of the main distribution and transmission grid      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (1,176,780) (712,030) (866,243)
Selling expenses 0 0 0
General and administrative expenses 0 0 0
Other operating expenses, net 0 0 0
Total operating costs and expenses (1,176,780) (712,030) (866,243)
Personnel and management      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (978,878) (984,011) (976,027)
Selling expenses (18,460) (20,435) (17,314)
General and administrative expenses (360,447) (338,898) (311,077)
Other operating expenses, net 0 0 0
Total operating costs and expenses (1,357,785) (1,343,344) (1,304,418)
Pension and healthcare plans      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (176,102) (175,479) (192,880)
Selling expenses (2,447) (2,424) (2,616)
General and administrative expenses (65,201) (59,694) (64,271)
Other operating expenses, net 0 0 0
Total operating costs and expenses (243,750) (237,597) (259,767)
Materials and supplies      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (68,920) (71,535) (71,747)
Selling expenses (655) (968) (851)
General and administrative expenses (12,182) (10,621) (8,865)
Other operating expenses, net 0 0 0
Total operating costs and expenses (81,757) (83,124) (81,463)
Materials and supplies for power electricity      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (19,729) (97,360) (33,352)
Selling expenses 0 0 0
General and administrative expenses 0 0 0
Other operating expenses, net 0 0 0
Total operating costs and expenses (19,729) (97,360) (33,352)
Natural gas and supplies for gas business      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (412,618) (309,542) (325,413)
Selling expenses 0 0 0
General and administrative expenses 0 0 0
Other operating expenses, net 0 0 0
Total operating costs and expenses (412,618) (309,542) (325,413)
Third-party services      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (392,869) (386,435) (369,442)
Selling expenses (23,266) (18,826) (53,659)
General and administrative expenses (156,092) (116,254) (127,392)
Other operating expenses, net 0 0 0
Total operating costs and expenses (572,227) (521,515) (550,493)
Depreciation and amortization      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (709,575) (686,007) (664,470)
Selling expenses (15) (16) (31)
General and administrative expenses (26,015) (32,070) (30,290)
Other operating expenses, net (13,574) (13,506) (13,505)
Total operating costs and expenses (749,179) (731,599) (708,296)
Estimated losses, provisions and reversals      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (18,920) 122,782 (567,112)
Selling expenses (81,936) (90,478) (184,610)
General and administrative expenses 0 0 0
Other operating expenses, net (243,681) (397,843) (16,974)
Total operating costs and expenses (306,697) (365,539) (768,696)
Construction cost      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (1,052,208) (1,003,881) (1,280,745)
Selling expenses 0 0 0
General and administrative expenses 0 0 0
Other operating expenses, net 0 0 0
Total operating costs and expenses (1,052,208) (1,003,881) (1,280,745)
Other operating costs and expenses, net      
DisclosureOfOperatingCostsAndExpensesLineItems [Line Items]      
Operating costs and expenses (171,751) (196,942) (201,080)
Selling expenses (21,930) (35,903) 8,633
General and administrative expenses (103,597) (128,138) (199,250)
Other operating expenses, net (45,435) (52,967) (23,159)
Total operating costs and expenses R$ (342,713) R$ (413,950) R$ (414,856)