Questar Gas’ operating revenue, subsequent to the adoption of revised guidance for revenue recognition from contracts with customers, consists of the following:

	Three Months Ended		Nine Months Ended
	September 30, 2018		September 30, 2018
(millions)
Regulated gas sales:
Residential	$	60.9	$	448.9
Commercial		8.7		127.8
Industrial		0.9		4.3
Regulated gas transportation		6.5		20.2
Other regulated revenue		1.9		6.6
Other nonregulated revenue⁽¹⁾⁽²⁾		3.4		12.6
Total operating revenue from contracts with customers		82.3		620.4
Other revenue⁽¹⁾		1.8		7.8
Total operating revenue	$	84.1	$	628.2

(1)	See Note 13 for amounts attributable to related parties.

(2)	The amounts above include sales of oil and extracted products of $2.0 million and $7.7 million for the three and nine months ended September 30, 2018, respectively, which are considered to be goods transferred at a point in time.

Questar Gas’ operating revenue, prior to the adoption of revised guidance for revenue recognition from contracts with customers, consisted of the following:

	Three Months Ended		Nine Months Ended
	September 30, 2017		September 30, 2017
(millions)
Residential and commercial gas sales	$	75.3	$	575.8
Industrial gas sales		2.6		8.9
Gas transportation		6.1		19.3
Other⁽¹⁾		6.9		23.5
Total operating revenue	$	90.9	$	627.5

(1)	See Note 13 for amounts attributable to related parties.