Exhibit 12.1

CMS ENERGY CORPORATION

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

				Year Ended December 31
	2010			2009		2008			2007			2006
									(b)			(c)
Earnings as defined (a)
Pretax income from continuing operations	$	590		$	335	$	440		$	(317	)	$	(434	)
Exclude equity basis subsidiaries		(2	)		2		(1	)		(22	)		(14	)
Fixed charges as defined (d)		449			456		429			489			535
Earnings as defined (d)	$	1,037		$	793	$	868		$	150		$	87
Fixed charges as defined (a)
Interest on long-term debt	$	394		$	383	$	371		$	415		$	492
Estimated interest portion of lease rental		16			17		25			23			8
Other interest charges		42			58		35			53			37
Fixed charges as defined (d)	$	452		$	458	$	431		$	491		$	537
Preferred dividends		13			17		17			12			11
Combined fixed charges and preferred dividends	$	465		$	475	$	448		$	503		$	548
Ratio of earnings to fixed charges		2.29			1.73		2.01			—			—
Ratio of earnings to combined fixed
charges and preferred dividends		2.23			1.67		1.94			—			—

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 $341 million and combined fixed charges and preferred dividends exceeded earnings by $353 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 $450 million and combined fixed charges and preferred dividends exceeded earnings by $461 million. Earnings as defined include $459 million of asset impairment charges.

(d) Preferred dividends of a consolidated subsidiary are included in fixed charges, but excluded from earnings as defined because the amount was not deducted in arriving at pretax income from continuing operations.