Revenue (Tables)

9 Months Ended

Sep. 30, 2021

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, 2021	Electric				PGS		Eliminations			Company
Electric revenue
Residential	$	359			$	0	$	0		$	359
Commercial		169				0		0			169
Industrial		46				0		0			46
Regulatory deferrals and unbilled revenue		(7	)			0		0			(7	)
Other (1)		67				0		(1	)		66
Total electric revenue		634				0		(1	)		633
Gas revenue
Residential		0				41		0			41
Commercial		0				44		0			44
Industrial (2)		0				6		0			6
Other (3)		0				24		(1	)		23
Total gas revenue		0				115		(1	)		114
Total revenue	$	634			$	115	$	(2	)	$	747
Three months ended September 30, 2020
Electric revenue
Residential	$	303			$	0	$	0		$	303
Commercial		128				0		0			128
Industrial		30				0		0			30
Regulatory deferrals and unbilled revenue		(8	)			0		0			(8	)
Other (1)		53		`		0		(1	)		52
Total electric revenue		506				0		(1	)		505
Gas revenue
Residential		0				29		0			29
Commercial		0				30		0			30
Industrial (2)		0				6		0			6
Other (3)		0				27		(1	)		26
Total gas revenue		0				92		(1	)		91
Total revenue	$	506			$	92	$	(2	)	$	596

(millions)	Tampa								Tampa Electric
Nine months ended September 30, 2021	Electric			PGS		Eliminations			Company
Electric revenue
Residential	$	867		$	0	$	0		$	867
Commercial		439			0		0			439
Industrial		124			0		0			124
Regulatory deferrals and unbilled revenue		2			0		0			2
Other (1)		181			0		(3	)		178
Total electric revenue		1,613			0		(3	)		1,610
Gas revenue
Residential		0			157		0			157
Commercial		0			143		0			143
Industrial (2)		0			18		0			18
Other (3)		0			74		(2	)		72
Total gas revenue		0			392		(2	)		390
Total revenue	$	1,613		$	392	$	(5	)	$	2,000
Nine months ended September 30, 2020
Electric revenue
Residential	$	762		$	0	$	0		$	762
Commercial		374			0		0			374
Industrial		99			0		0			99
Regulatory deferrals and unbilled revenue		(13	)		0		0			(13	)
Other (1)		159			0		(3	)		156
Total electric revenue		1,381			0		(3	)		1,378
Gas revenue
Residential		0			113		0			113
Commercial		0			99		0			99
Industrial (2)		0			17		0			17
Other (3)		0			90		(5	)		85
Total gas revenue		0			319		(5	)		314
Total revenue	$	1,381		$	319	$	(8	)	$	1,692

(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.