EXHIBIT 12.1

MIDAMERICAN ENERGY HOLDINGS COMPANY

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

(In Millions, Except Ratios)

	Six Months Ended June 30,						Years Ended December 31,
	2007			2006			2006			2005			2004			2003			2002
Earnings Available for Fixed Charges:
Income from continuing operations	$	554		$	402		$	916		$	557		$	538		$	443		$	397
Add (Deduct):
Income tax expense		260			213			407			245			265			270			111
Minority interest		13			10			20			9			6			6			6
Equity income		(12	)		(10	)		(44	)		(53	)		(17	)		(38	)		(40	)
Add:
Fixed charges		664			549			1,203			927			950			975			827
Distributed income of equity investees		13			12			37			34			37			78			29
Deduct:
Capitalized interest - continuing operations		(2	)		(2	)		(4	)		(5	)		(11	)		(8	)		(5	)
Capitalized interest - discontinued operations		—			—			—			—			—			—			(14	)
		936			772			1,619			1,157			1,230			1,283			914
Total earnings available for fixed charges	$	1,490		$	1,174		$	2,535		$	1,714		$	1,768		$	1,726		$	1,311
Fixed Charges:
Interest expense - continuing operations	$	640		$	530		$	1,152		$	891		$	903		$	761		$	632
Interest expense - discontinued operations		—			—			—			—			13			11			14
Estimated interest portion of rental payments		18			13			39			26			24			22			20
Preferred dividends of subsidiaries - tax deductible		—			—			—			—			—			170			148
Preferred dividends of subsidiaries - nondeductible		6			6			12			10			10			11			13
Total fixed charges	$	664		$	549		$	1,203		$	927		$	950		$	975		$	827
Ratio of earnings to fixed charges		2.2x			2.1x			2.1x			1.8x			1.9x			1.8x			1.6x