Exhibit 12.1

MIDAMERICAN ENERGY HOLDINGS COMPANY

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

(In Millions, Except Ratios)

	Three Months Ended March 31,						Years Ended December 31,
	2008			2007			2007			2006			2005			2004			2003
Earnings Available for Fixed Charges:
Income from continuing operations	$	342		$	313		$	1,189		$	916		$	558		$	538		$	443
Add (Deduct):
Income tax expense		147			160			456			407			245			265			270
Minority interest		2			11			21			20			9			6			6
Equity income		(3	)		(5	)		(36	)		(43	)		(53	)		(17	)		(38	)
Add:
Fixed charges		339			328			1,373			1,203			927			950			975
Distributed income of equity investees		2			3			38			37			34			37			78
Deduct:
Capitalized interest - continuing operations		(1	)		(1	)		(5	)		(4	)		(5	)		(11	)		(8	)
		486			496			1,847			1,620			1,157			1,230			1,283
Total earnings available for fixed charges	$	828		$	809		$	3,036		$	2,536		$	1,715		$	1,768		$	1,726
Fixed Charges:
Interest expense - continuing operations	$	328		$	316		$	1,320		$	1,152		$	891		$	903		$	761
Interest expense - discontinued operations		—			—			—			—			—			13			11
Estimated interest portion of rental payments		8			9			41			39			26			24			22
Preferred dividends of subsidiaries - tax deductible		—			—			—			—			—			—			170
Preferred dividends of subsidiaries - nondeductible		3			3			12			12			10			10			11
Total fixed charges	$	339		$	328		$	1,373		$	1,203		$	927		$	950		$	975
Ratio of earnings to fixed charges		2.4	x		2.5	x		2.2	x		2.1	x		1.8	x		1.9	x		1.8	x