Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017		Sep. 30, 2016
Operating Activities
Net income	$ 37.5		$ 28.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	52.1		51.8
Deferred income taxes	58.0		29.6
Other adjustments for non-cash items	0.7		2.9
Changes in operating assets and liabilities	11.9		133.0
Net cash provided by operating activities	160.2		245.6
Investing Activities
Property, plant and equipment purchased	(134.8)		(186.3)
Property, plant and equipment purchased from affiliates	(0.4)		(10.6)
Other	(3.7)		(3.1)
Net cash used in investing activities	(138.9)		(200.0)
Financing Activities
Issuance of short-term debt, net	25.0		0.0
Repayment of affiliated current borrowings, net	(48.0)		(28.8)
Other	0.0		2.7
Net cash used in financing activities	(23.0)		(56.1)
Decrease in cash and cash equivalents	(1.7)		(10.5)
Cash and cash equivalents at beginning of period	7.6	[1]	10.5
Cash and cash equivalents at end of period	5.9		0.0
Significant noncash investing activities:
Accrued capital expenditures	21.3		21.6
Dominion Energy Questar
Financing Activities
Dividends paid to Dominion Energy Questar	$ 0.0		$ (30.0)

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