Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Revenue Recognition [Abstract]

Summary of Disaggregates TEC Revenue by Major Source

The following disaggregates TEC’s revenue by major source for the three and six months ended June 30, 2018:

(millions)	Tampa							Tampa Electric
Three months ended June 30, 2018	Electric		PGS		Eliminations			Company
Electric revenue
Residential	$	241	$	0	$	0		$	241
Commercial		140		0		0			140
Industrial		40		0		0			40
Regulatory deferrals and unbilled revenue		24		0		0			24
Other (1)		65		0		(1	)		64
Total electric revenue		510		0		(1	)		509
Gas revenue
Residential		0		35		0			35
Commercial		0		37		0			37
Industrial (2)		0		6		0			6
Other (3)		0		37		(5	)		32
Total gas revenue		0		115		(5	)		110
Total revenue	$	510	$	115	$	(6	)	$	619
Six months ended June 30, 2018
Electric revenue
Residential	$	471	$	0	$	0		$	471
Commercial		272		0		0			272
Industrial		78		0		0			78
Regulatory deferrals and unbilled revenue		23		0		0			23
Other (1)		127		0		(1	)		126
Total electric revenue		971		0		(1	)		970
Gas revenue
Residential		0		91		0			91
Commercial		0		81		0			81
Industrial (2)		0		11		0			11
Other (3)		0		74		(11	)		63
Total gas revenue		0		257		(11	)		246
Total revenue	$	971	$	257	$	(12	)	$	1,216

(1)    Other includes sales to public authorities, off-system sales to other utilities and various other items.

(2)    Industrial includes sales to power generation customers.

(3)    Other includes off-system sales to other utilities and various other items.