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Operating Revenue
 6 Months Ended
Jun. 30, 2017
Regulated And Unregulated Operating Revenue [Abstract]  
Operating Revenue

Note 3. Operating Revenue

Questar Gas' operating revenue consists of the following:

 

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

 

2017

 

 

2016

 

 

2017

 

 

2016

 

(millions)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Residential and commercial gas sales

 

$

122.0

 

 

$

112.9

 

 

$

500.5

 

 

$

504.6

 

Industrial gas sales

 

 

3.1

 

 

 

4.5

 

 

 

6.3

 

 

 

9.5

 

Gas transportation

 

 

6.3

 

 

 

5.7

 

 

 

13.2

 

 

 

11.7

 

Other(1)

 

 

8.3

 

 

 

5.1

 

 

 

16.6

 

 

 

10.3

 

Total operating revenue

 

$

139.7

 

 

$

128.2

 

 

$

536.6

 

 

$

536.1

 

(1)

See Note 11 for amounts attributable to related parties.