Exhibit (12)(a)

CMS ENERGY CORPORATION
Ratio of Earnings to Combined Fixed Charges and Preferred Dividends
(Millions of Dollars)

	Year Ended December 31
	2007			2006			2005			2004			2003
	(b)			(c)			(d)			(e)
Earnings as defined (a)
Pretax income from continuing operations	$	(310	)	$	(427	)	$	(766	)	$	96		$	69
Exclude equity basis subsidiaries		(22	)		(14	)		(17	)		(88	)		(41	)
Fixed charges as defined		483			528			533			639			663
Earnings as defined	$	151		$	87		$	(250	)	$	647		$	691
Fixed charges as defined (a)
Interest on long-term debt	$	406		$	483		$	506		$	560		$	531
Estimated interest portion of lease rental		23			8			6			4			7
Other interest charges		54			37			21			75			125
Fixed charges as defined	$	483		$	528		$	533		$	639		$	663
Preferred dividends		12			11			10			11			15
Combined fixed charges and preferred dividends	$	495		$	539		$	543		$	650		$	678
Ratio of earnings to fixed charges		—			—			—			1.01			1.04
Ratio of earnings to combined fixed charges and preferred dividends		—			—			—			—			1.02

NOTES:

(a) Earnings and fixed charges as defined in instructions for Item 503 of Regulation S-K.

(b) For the year ended December 31, 2007, fixed charges exceeded earnings by $332 million. Earnings as defined include $204 million in asset impairment charges and a $279 million charge for an electric sales contract termination.

(c) For the year ended December 31, 2006, fixed charges exceeded earnings by $441 million. Earnings as defined include $459 million of asset impairment charges.

(d) For the year ended December 31, 2005, fixed charges exceeded earnings by $783 million. Earnings as defined include $1.184 billion of asset impairment charges.

(e) For 2004, fixed charges, adjusted as defined, include $25 million of interest cost that was capitalized prior to 2004 and subsequently expensed in 2004