Exhibit 12.01

SOUTHWEST GAS CORPORATION

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

(Thousands of dollars)

	December 31,
	2014		2013		2012		2011		2010
1. Fixed charges:
A) Interest expense	$	71,234	$	62,958	$	67,148	$	68,183	$	75,481
B) Amortization		2,063		2,002		2,001		2,137		2,620
C) Interest portion of rentals		11,802		11,809		10,605		8,943		6,455
Total fixed charges	$	85,099	$	76,769	$	79,754	$	79,263	$	84,556
2. Earnings (as defined):
D) Pretax income from continuing operations	$	219,521	$	222,815	$	207,915	$	175,066	$	158,378
Fixed Charges (1. above)		85,099		76,769		79,754		79,263		84,556
Total earnings as defined	$	304,620	$	299,584	$	287,669	$	254,329	$	242,934
		3.58		3.90		3.61		3.21		2.87