Exhibit 12.3

Dominion Energy Gas Holdings, LLC

Computation of Ratio of Earnings to Fixed Charges

(millions of dollars)

	Nine		Twelve
	Months		Months
	Ended September 30,		Ended September 30,			Years Ended December 31,
	2017		2017			2016		2015			2014			2013			2012
Earnings, as defined:
Income from continuing operations before income tax expense	$	478	$	637		$	607	$	740		$	846		$	762		$	747
Distributed income from unconsolidated investees, less equity in earnings		2		(1	)		—	(3		)		(1	)		(2	)		2
Fixed charges included in income		88		118			109		86			39			43			65
Total earnings, as defined	$	568	$	754		$	716	$	823		$	884		$	803		$	814
Fixed charges, as defined:
Interest charges	$	79	$	106		$	97	$	74		$	28		$	30		$	51
Rental interest factor		9		12			12		12			11			13			14
Total fixed charges, as defined	$	88	$	118		$	109	$	86		$	39		$	43		$	65
Ratio of Earnings to Fixed Charges		6.45		6.39			6.57		9.57			22.67			18.67			12.52