Balance Sheets - USD ($) $ in Millions		Jun. 30, 2017	Dec. 31, 2016	[1]
Current Assets
Cash and cash equivalents		$ 2.1	$ 7.6
Customer receivables (less allowance for doubtful accounts of $2.0 and $1.7 )		52.3	163.7
Receivable from affiliates		0.6	0.6
Inventories at lower of average cost or market:
Gas stored underground		21.8	49.3
Materials and supplies		25.7	27.6
Regulatory assets		13.4	9.6
Other		5.0	3.7
Total current assets		120.9	262.1
Property, Plant and Equipment
Property, plant and equipment		2,917.9	2,883.0
Accumulated depreciation and amortization		(727.6)	(737.6)
Total property, plant and equipment, net		2,190.3	2,145.4
Deferred Charges and Other Assets
Receivable from affiliates		98.6	87.8
Other noncurrent assets		12.1	11.2
Total deferred charges and other assets		110.7	99.0
Total assets		2,421.9	2,506.5
Current Liabilities
Securities due within one year		134.5	14.5
Short-term debt		135.0	200.0
Affiliated current borrowings		10.0	48.0
Accounts payable and accrued expenses		71.1	117.2
Accounts payable to affiliates		42.7	43.5
Customer advances		11.8	27.9
Regulatory liabilities		9.1	6.5
Other current liabilities		2.8	1.7
Total current liabilities		417.0	459.3
Long-Term Debt		496.5	616.3
Deferred Credits and Other Liabilities
Deferred income taxes		504.3	475.8
Regulatory liabilities		190.8	189.1
Payables to affiliates		12.8	13.0
Other noncurrent liabilities		96.9	95.4
Total deferred credits and other liabilities		804.8	773.3
Total liabilities		1,718.3	1,848.9
Commitments and Contingencies (see Note 9)
Equity
Common stock - par value $2.50	[2]	23.0	23.0
Additional paid-in capital		272.5	272.5
Retained earnings		408.1	362.1
Total common shareholder's equity		703.6	657.6
Total liabilities and shareholder's equity		$ 2,421.9	$ 2,506.5

[1] Questar Gas' Balance Sheet at December 31, 2016 has been derived from the audited Balance Sheet at that date.

[2] 50.0 million shares authorized; 9.2 million shares outstanding at June 30, 2017 and December 31, 2016.