Exhibit 12.2

Sierra Pacific Power Company

	Three Months Ended March 31,						Year ended December 31,
	2007			2006			2006			2005			2004			2003			2002
	Amounts in 000’s
EARNINGS AS DEFINED:
Income (Loss) From Continuing Operations     After Interest Charges	$	21,968		$	13,272		$	57,709		$	52,074		$	18,577		$	(23,275	)	$	(13,968	)
Income Taxes		9,571			7,672		$	27,829			28,379			325			(12,237	)		(4,491	)
Income (Loss) From Continuing Operations     before Income Taxes		31,539			20,944			85,538			80,453			18,902			(35,512	)		(18,459	)
Fixed Charges		18,486			19,627			79,093			72,652			67,685			101,514			79,303
Capitalized Interest-(allowance for borrowed funds used during construction)		(2,784	)		(630	)	$	(5,505	)		(1,504	)		(2,849	)		(3,276	)		(1,858	)
Total	$	47,241		$	39,941		$	159,126		$	151,601		$	83,738		$	62,726		$	58,986
FIXED CHARGES AS DEFINED:
Interest Expensed and Capitalized (1)	$	18,486		$	19,627		$	79,093		$	72,652		$	67,685		$	101,514		$	79,303
Total	$	18,486			19,627			79,093			72,652		$	67,685		$	101,514		$	79,303
RATIO OF EARNINGS TO FIXED CHARGES		2.56			2.04			2.01			2.09			1.24			—			—
DEFICIENCY	$	—		$	—		$	—		$	—		$	—		$	38,788		$	20,317

(1) Includes amortization of premiums, discounts, and capitalized debt expense and interest component of rent expense.