Revenue (Tables)

9 Months Ended

Sep. 30, 2019

Revenue Recognition [Abstract]

Summary of Disaggregates TEC Revenue by Major Source

The following disaggregates TEC’s revenue by major source:

(millions)	Tampa								Tampa Electric
Three months ended September 30, 2019	Electric			PGS		Eliminations			Company
Electric revenue
Residential	$	325		$	0	$	0		$	325
Commercial		160			0		0			160
Industrial		41			0		0			41
Regulatory deferrals and unbilled revenue		(31	)		0		0			(31	)
Other (1)		64			0		(1	)		63
Total electric revenue		559			0		(1	)		558
Gas revenue
Residential		0			30		0			30
Commercial		0			32		0			32
Industrial (2)		0			5		0			5
Other (3)		0			34		(5	)		29
Total gas revenue		0			101		(5	)		96
Total revenue	$	559		$	101	$	(6	)	$	654
Three months ended September 30, 2018
Electric revenue
Residential	$	331		$	0	$	0		$	331
Commercial		163			0		0			163
Industrial		43			0		0			43
Regulatory deferrals and unbilled revenue		(10	)		0		0			(10	)
Other (1)		67			0		(1	)		66
Total electric revenue		594			0		(1	)		593
Gas revenue
Residential		0			29		0			29
Commercial		0			34		0			34
Industrial (2)		0			4		0			4
Other (3)		0			44		(7	)		37
Total gas revenue		0			111		(7	)		104
Total revenue	$	594		$	111	$	(8	)	$	697
(millions)	Tampa								Tampa Electric
Nine months ended September 30, 2019	Electric			PGS		Eliminations			Company
Electric revenue
Residential	$	792		$	0	$	0		$	792
Commercial		421			0		0			421
Industrial		117			0		0			117
Regulatory deferrals and unbilled revenue		(21	)		0		0			(21	)
Other (1)		183			0		(3	)		180
Total electric revenue		1,492			0		(3	)		1,489
Gas revenue
Residential		0			116		0			116
Commercial		0			109		0			109
Industrial (2)		0			16		0			16
Other (3)		0			103		(13	)		90
Total gas revenue		0			344		(13	)		331
Total revenue	$	1,492		$	344	$	(16	)	$	1,820
Nine months ended September 30, 2018
Electric revenue
Residential	$	802		$	0	$	0		$	802
Commercial		435			0		0			435
Industrial		121			0		0			121
Regulatory deferrals and unbilled revenue		13			0		0			13
Other (1)		194			0		(2	)		192
Total electric revenue		1,565			0		(2	)		1,563
Gas revenue
Residential		0			120		0			120
Commercial		0			115		0			115
Industrial (2)		0			15		0			15
Other (3)		0			118		(18	)		100
Total gas revenue		0			368		(18	)		350
Total revenue	$	1,565		$	368	$	(20	)	$	1,913

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

(2)    Industrial gas revenue includes sales to power generation customers.

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