Reportable Segments (Tables)

9 Months Ended

Sep. 30, 2012

Reconciliation Of Segments To Consolidated



In Millions
	Three Months Ended						Nine Months Ended
September 30	2012			2011			2012			2011
CMS Energy, including Consumers
Operating Revenue
Electric utility		$	1,239		$	1,180		$	3,073		$	3,026
Gas utility			209			217			1,332			1,662
Enterprises			44			56			136			161
Other			15			11			42			34
Total Operating Revenue – CMS Energy		$	1,507		$	1,464		$	4,583		$	4,883
Consumers
Operating Revenue
Electric utility		$	1,239		$	1,180		$	3,073		$	3,026
Gas utility			209			217			1,332			1,662
Total Operating Revenue – Consumers		$	1,448		$	1,397		$	4,405		$	4,688
CMS Energy, including Consumers
Net Income (Loss) Available to Common Stockholders
Electric utility		$	165		$	159		$	297		$	309
Gas utility			(3)			(5)			61			88
Enterprises			5			4			9			36
Other			(19)			(19)			(52)			(59)
Total Net Income Available to Common Stockholders –
CMS Energy		$	148		$	139		$	315		$	374
Consumers
Net Income (Loss) Available to Common Stockholder
Electric utility		$	165		$	159		$	297		$	309
Gas utility			(3)			(5)			61			88
Other			-			-			1			1
Total Net Income Available to Common Stockholder –
Consumers		$	162		$	154		$	359		$	398



In Millions
	September 30, 2012			December 31, 2011
CMS Energy, including Consumers
Plant, Property, and Equipment, Gross
Electric utility		$	10,647		$	10,400
Gas utility			4,306			4,206
Enterprises			112			109
Other			38			36
Total Plant, Property, and Equipment, Gross – CMS Energy		$	15,103		$	14,751
Consumers
Plant, Property, and Equipment, Gross
Electric utility		$	10,647		$	10,400
Gas utility			4,306			4,206
Other			15			15
Total Plant, Property, and Equipment, Gross – Consumers		$	14,968		$	14,621
CMS Energy, including Consumers
Total Assets
Electric utility¹		$	10,135		$	9,938
Gas utility¹			5,032			4,956
Enterprises			176			242
Other			1,265			1,316
Total Assets – CMS Energy		$	16,608		$	16,452
Consumers
Total Assets
Electric utility¹		$	10,135		$	9,938
Gas utility¹			5,032			4,956
Other			637			768
Total Assets – Consumers		$	15,804		$	15,662

Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.

Consumers Energy Company [Member]

Reconciliation Of Segments To Consolidated



In Millions
	Three Months Ended						Nine Months Ended
September 30	2012			2011			2012			2011
CMS Energy, including Consumers
Operating Revenue
Electric utility		$	1,239		$	1,180		$	3,073		$	3,026
Gas utility			209			217			1,332			1,662
Enterprises			44			56			136			161
Other			15			11			42			34
Total Operating Revenue – CMS Energy		$	1,507		$	1,464		$	4,583		$	4,883
Consumers
Operating Revenue
Electric utility		$	1,239		$	1,180		$	3,073		$	3,026
Gas utility			209			217			1,332			1,662
Total Operating Revenue – Consumers		$	1,448		$	1,397		$	4,405		$	4,688
CMS Energy, including Consumers
Net Income (Loss) Available to Common Stockholders
Electric utility		$	165		$	159		$	297		$	309
Gas utility			(3)			(5)			61			88
Enterprises			5			4			9			36
Other			(19)			(19)			(52)			(59)
Total Net Income Available to Common Stockholders –
CMS Energy		$	148		$	139		$	315		$	374
Consumers
Net Income (Loss) Available to Common Stockholder
Electric utility		$	165		$	159		$	297		$	309
Gas utility			(3)			(5)			61			88
Other			-			-			1			1
Total Net Income Available to Common Stockholder –
Consumers		$	162		$	154		$	359		$	398



In Millions
	September 30, 2012			December 31, 2011
CMS Energy, including Consumers
Plant, Property, and Equipment, Gross
Electric utility		$	10,647		$	10,400
Gas utility			4,306			4,206
Enterprises			112			109
Other			38			36
Total Plant, Property, and Equipment, Gross – CMS Energy		$	15,103		$	14,751
Consumers
Plant, Property, and Equipment, Gross
Electric utility		$	10,647		$	10,400
Gas utility			4,306			4,206
Other			15			15
Total Plant, Property, and Equipment, Gross – Consumers		$	14,968		$	14,621
CMS Energy, including Consumers
Total Assets
Electric utility¹		$	10,135		$	9,938
Gas utility¹			5,032			4,956
Enterprises			176			242
Other			1,265			1,316
Total Assets – CMS Energy		$	16,608		$	16,452
Consumers
Total Assets
Electric utility¹		$	10,135		$	9,938
Gas utility¹			5,032			4,956
Other			637			768
Total Assets – Consumers		$	15,804		$	15,662

Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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