Exhibit 12.1

Sierra Pacific Power Company

Computation of ratio of earnings to fixed charges

(Dollars in millions)

	Six-Month Periods Ended June 30,						Years Ended December 31,
	2016			2015			2015			2014			2013			2012			2011
Earnings available for fixed charges:
Net income	$	27		$	35		$	83		$	87		$	55		$	84		$	60
Add (deduct):
Income tax expense	15			19			47			47			33			40			31
Fixed charges	30			30			61			63			62			66			70
Capitalized interest (allowance for borrowed funds)	(1		)	(1		)	(2		)	(2		)	(2		)	(2		)	(2		)
	44			48			106			108			93			104			99
Total earnings available for fixed charges	$	71		$	83		$	189		$	195		$	148		$	188		$	159
Fixed charges -
Interest expense	30			30			61			63			62			66			70
Total fixed charges	$	30		$	30		$	61		$	63		$	62		$	66		$	70
Ratio of earnings to fixed charges	2.4x			2.8x			3.1x			3.1x			2.4x			2.8x			2.3x