Reportable Segments

9 Months Ended

Sep. 30, 2012

Reportable Segments

12:REPORTABLE SEGMENTS

Reportable segments consist of business units defined by the products and services they offer.  CMS Energy and Consumers evaluate the performance of each segment based on its contribution to net income available to CMS Energy’s common stockholders.  The reportable segments for CMS Energy and Consumers are:

CMS Energy:

· electric utility, consisting of regulated activities associated with the generation and distribution of electricity in Michigan;

· gas utility, consisting of regulated activities associated with the transportation, storage, and distribution of natural gas in Michigan;

· enterprises, consisting of various subsidiaries engaging primarily in domestic independent power production; and

· other, including EnerBank, corporate interest and other expenses, and discontinued operations.

Consumers:

· electric utility, consisting of regulated activities associated with the generation and distribution of electricity in Michigan;

· gas utility, consisting of regulated activities associated with the transportation, storage, and distribution of natural gas in Michigan; and

· other, including a consolidated special-purpose entity for the sale of accounts receivable.

Presented in the following tables is financial information by reportable segment:

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

¹ Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.  

Consumers Energy Company [Member]

Reportable Segments

12:REPORTABLE SEGMENTS

Reportable segments consist of business units defined by the products and services they offer.  CMS Energy and Consumers evaluate the performance of each segment based on its contribution to net income available to CMS Energy’s common stockholders.  The reportable segments for CMS Energy and Consumers are:

CMS Energy:

· electric utility, consisting of regulated activities associated with the generation and distribution of electricity in Michigan;

· gas utility, consisting of regulated activities associated with the transportation, storage, and distribution of natural gas in Michigan;

· enterprises, consisting of various subsidiaries engaging primarily in domestic independent power production; and

· other, including EnerBank, corporate interest and other expenses, and discontinued operations.

Consumers:

· electric utility, consisting of regulated activities associated with the generation and distribution of electricity in Michigan;

· gas utility, consisting of regulated activities associated with the transportation, storage, and distribution of natural gas in Michigan; and

· other, including a consolidated special-purpose entity for the sale of accounts receivable.

Presented in the following tables is financial information by reportable segment:

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

¹ Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.