EXHIBIT 12.2

NEVADA POWER COMPANY

RATIOS OF EARNINGS TO FIXED CHARGES

(Dollars in Thousands)

	Three Months Ended March 31,						Year Ended December 31,
	2011			2010			2010			2009			2008			2007			2006
EARNINGS AS DEFINED:
Net income (loss)	$	(9,020	)	$	(12,326	)	$	185,943		$	134,284		$	151,431		$	165,694		$	224,540
Income tax expense (benefit)		(4,933	)		(4,119	)		91,757			61,652			71,382			78,352			117,510
Fixed Charges		59,126			59,146			240,830			247,290			210,067			190,836			190,333
Capitalized Interest (allowance for     borrowed funds used during     construction)		(5,790	)		(4,532	)		(21,443	)		(17,184	)		(20,063	)		(13,196	)		(11,614	)
Total	$	39,383		$	38,169		$	497,087		$	426,042		$	412,817		$	421,686		$	520,769
FIXED CHARGES AS DEFINED:
Interest Expensed and Capitalized (1)	$	59,126		$	59,146		$	240,830		$	247,290		$	210,067		$	190,836		$	190,333
Total	$	59,126		$	59,146		$	240,830		$	247,290		$	210,067		$	190,836		$	190,333
RATIO OF EARNINGS TO FIXED CHARGES		-			-			2.06			1.72			1.97			2.21			2.74
Deficiency	$	19,743		$	20,977		$	-		$	-		$	-		$	-		$	-

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

For the purpose of calculating the ratios of earnings to fixed charges, “Earnings” represents net income adjusted for income taxes and fixed charges excluding capitalized interest.  “Fixed charges” represent the aggregate of interest charges on long-term debt (whether expensed or capitalized) and the portion of rental expense deemed attributable to interest.