Quarterly Financial and Common Stock Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of Quarterly Financial Information Table

	In Millions, Except Per Share Amounts and Stock Prices
	2011
Quarters Ended	March 31		June 30		Sept. 30		Dec. 31
CMS ENERGY, INCLUDING CONSUMERS
Operating Revenue	$	2,055	$	1,364	$	1,464	$	1,620
Operating Income		306		207		316		174
Income From Continuing Operations		133		101		140		41
Income From Discontinued Operations		2		-		-		-
Net Income		135		101		140		41
Income Attributable to Noncontrolling Interests		-		1		1		-
Net Income Attributable to CMS Energy		135		100		139		41
Net income Available to Common Stockholders		135		100		139		41
Earnings From Continuing Operations Per Average Common Share – Basic1		0.53		0.40		0.55		0.16
Earnings From Continuing Operations Per Average Common Share – Diluted1		0.51		0.38		0.53		0.15
Basic Earnings Per Average Common Share1		0.54		0.40		0.55		0.16
Diluted Earnings Per Average Common Share1		0.52		0.38		0.53		0.15
Common stock prices2
High		19.78		20.39		20.47		22.35
Low		18.60		18.90		17.16		19.18
CONSUMERS
Operating Revenue	$	1,988	$	1,303	$	1,397	$	1,565
Operating Income		300		207		305		173
Net Income		153		92		155		67
Preferred Stock Dividends		-		1		1		-
Net Income Available to Common Stockholder		153		91		154		67

	In Millions, Except Per Share Amounts and Stock Prices
	2010
Quarters Ended	March 31			June 30			Sept. 30		Dec. 31
CMS ENERGY, INCLUDING CONSUMERS
Operating Revenue	$	1,967		$	1,340		$	1,443	$	1,682
Operating Income		239			262			319		158
Income From Continuing Operations		89			100			146		31
Loss From Discontinued Operations		(1	)		(16	)		-		(6)
Net Income		88			84			146		25
Income Attributable to Noncontrolling Interests		-			2			1		-
Net Income Attributable to CMS Energy		88			82			145		25
Charge for Deferred Issuance Cost on Preferred Stock		-			-			8		-
Preferred Stock Dividends		3			2			3		-
Net Income Available to Common Stockholders		85			80			134		25
Earnings From Continuing Operations Per Average Common Share – Basic1		0.38			0.42			0.58		0.13
Earnings From Continuing Operations Per Average Common Share – Diluted1		0.35			0.39			0.53		0.11
Basic Earnings Per Average Common Share1		0.37			0.35			0.58		0.11
Diluted Earnings Per Average Common Share1		0.34			0.32			0.53		0.09
Common stock prices2
High		15.90			16.55			18.15		19.16
Low		14.57			14.26			14.68		17.72
CONSUMERS
Operating Revenue	$	1,890		$	1,276		$	1,370	$	1,620
Operating Income		224			207			304		191
Net Income		107			88			160		79
Preferred Stock Dividends		-			1			1		-
Net Income Available to Common Stockholder		107			87			159		79

¹The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding. 

²Based on New York Stock Exchange composite transactions.

Consumers Energy Company [Member]

Schedule of Quarterly Financial Information Table

	In Millions, Except Per Share Amounts and Stock Prices
	2011
Quarters Ended	March 31		June 30		Sept. 30		Dec. 31
CMS ENERGY, INCLUDING CONSUMERS
Operating Revenue	$	2,055	$	1,364	$	1,464	$	1,620
Operating Income		306		207		316		174
Income From Continuing Operations		133		101		140		41
Income From Discontinued Operations		2		-		-		-
Net Income		135		101		140		41
Income Attributable to Noncontrolling Interests		-		1		1		-
Net Income Attributable to CMS Energy		135		100		139		41
Net income Available to Common Stockholders		135		100		139		41
Earnings From Continuing Operations Per Average Common Share – Basic1		0.53		0.40		0.55		0.16
Earnings From Continuing Operations Per Average Common Share – Diluted1		0.51		0.38		0.53		0.15
Basic Earnings Per Average Common Share1		0.54		0.40		0.55		0.16
Diluted Earnings Per Average Common Share1		0.52		0.38		0.53		0.15
Common stock prices2
High		19.78		20.39		20.47		22.35
Low		18.60		18.90		17.16		19.18
CONSUMERS
Operating Revenue	$	1,988	$	1,303	$	1,397	$	1,565
Operating Income		300		207		305		173
Net Income		153		92		155		67
Preferred Stock Dividends		-		1		1		-
Net Income Available to Common Stockholder		153		91		154		67

	In Millions, Except Per Share Amounts and Stock Prices
	2010
Quarters Ended	March 31			June 30			Sept. 30		Dec. 31
CMS ENERGY, INCLUDING CONSUMERS
Operating Revenue	$	1,967		$	1,340		$	1,443	$	1,682
Operating Income		239			262			319		158
Income From Continuing Operations		89			100			146		31
Loss From Discontinued Operations		(1	)		(16	)		-		(6)
Net Income		88			84			146		25
Income Attributable to Noncontrolling Interests		-			2			1		-
Net Income Attributable to CMS Energy		88			82			145		25
Charge for Deferred Issuance Cost on Preferred Stock		-			-			8		-
Preferred Stock Dividends		3			2			3		-
Net Income Available to Common Stockholders		85			80			134		25
Earnings From Continuing Operations Per Average Common Share – Basic1		0.38			0.42			0.58		0.13
Earnings From Continuing Operations Per Average Common Share – Diluted1		0.35			0.39			0.53		0.11
Basic Earnings Per Average Common Share1		0.37			0.35			0.58		0.11
Diluted Earnings Per Average Common Share1		0.34			0.32			0.53		0.09
Common stock prices2
High		15.90			16.55			18.15		19.16
Low		14.57			14.26			14.68		17.72
CONSUMERS
Operating Revenue	$	1,890		$	1,276		$	1,370	$	1,620
Operating Income		224			207			304		191
Net Income		107			88			160		79
Preferred Stock Dividends		-			1			1		-
Net Income Available to Common Stockholder		107			87			159		79

¹The sum of the quarters may not equal annual EPS due to changes in the number of shares outstanding.

²Based on New York Stock Exchange composite transactions.