Reportable Segments (Tables)

6 Months Ended

Jun. 30, 2013

Reconciliation Of Segments To Consolidated



In Millions
	Three Months Ended						Six Months Ended
June 30	2013			2012			2013			2012
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,026		$	998		$	1,987		$	1,834
Gas utility			316			284			1,274			1,123
Enterprises			48			38			92			92
Other			16			13			32			27
Total operating revenue – CMS Energy		$	1,406		$	1,333		$	3,385		$	3,076
Consumers
Operating revenue
Electric utility		$	1,026		$	998		$	1,987		$	1,834
Gas utility			316			284			1,274			1,123
Total operating revenue – Consumers		$	1,342		$	1,282		$	3,261		$	2,957
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	93		$	111		$	159		$	132
Gas utility			5			9			101			64
Enterprises			1			(1)			5			4
Other			(19)			(19)			(41)			(33)
Total net income available to common
stockholders – CMS Energy		$	80		$	100		$	224		$	167
Consumers
Net income available to common stockholder
Electric utility		$	93		$	111		$	159		$	132
Gas utility			5			9			101			64
Other			1			1			1			1
Total net income available to common
stockholder – Consumers		$	99		$	121		$	261		$	197



In Millions
	June 30, 2013			December 31, 2012
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility		$	11,275		$	11,041
Gas utility			4,661			4,400
Enterprises			112			113
Other			38			38
Total plant, property, and equipment, gross – CMS Energy		$	16,086		$	15,592
Consumers
Plant, property, and equipment, gross
Electric utility		$	11,275		$	11,041
Gas utility			4,661			4,400
Other			15			15
Total plant, property, and equipment, gross – Consumers		$	15,951		$	15,456
CMS Energy, including Consumers
Total assets
Electric utility¹		$	10,769		$	10,423
Gas utility¹			4,922			5,016
Enterprises			180			181
Other			1,558			1,511
Total assets – CMS Energy		$	17,429		$	17,131
Consumers
Total assets
Electric utility¹		$	10,769		$	10,423
Gas utility¹			4,922			5,016
Other			718			836
Total assets – Consumers		$	16,409		$	16,275

¹	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						Six Months Ended
June 30	2013			2012			2013			2012
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,026		$	998		$	1,987		$	1,834
Gas utility			316			284			1,274			1,123
Enterprises			48			38			92			92
Other			16			13			32			27
Total operating revenue – CMS Energy		$	1,406		$	1,333		$	3,385		$	3,076
Consumers
Operating revenue
Electric utility		$	1,026		$	998		$	1,987		$	1,834
Gas utility			316			284			1,274			1,123
Total operating revenue – Consumers		$	1,342		$	1,282		$	3,261		$	2,957
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	93		$	111		$	159		$	132
Gas utility			5			9			101			64
Enterprises			1			(1)			5			4
Other			(19)			(19)			(41)			(33)
Total net income available to common
stockholders – CMS Energy		$	80		$	100		$	224		$	167
Consumers
Net income available to common stockholder
Electric utility		$	93		$	111		$	159		$	132
Gas utility			5			9			101			64
Other			1			1			1			1
Total net income available to common
stockholder – Consumers		$	99		$	121		$	261		$	197



In Millions
	June 30, 2013			December 31, 2012
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility		$	11,275		$	11,041
Gas utility			4,661			4,400
Enterprises			112			113
Other			38			38
Total plant, property, and equipment, gross – CMS Energy		$	16,086		$	15,592
Consumers
Plant, property, and equipment, gross
Electric utility		$	11,275		$	11,041
Gas utility			4,661			4,400
Other			15			15
Total plant, property, and equipment, gross – Consumers		$	15,951		$	15,456
CMS Energy, including Consumers
Total assets
Electric utility¹		$	10,769		$	10,423
Gas utility¹			4,922			5,016
Enterprises			180			181
Other			1,558			1,511
Total assets – CMS Energy		$	17,429		$	17,131
Consumers
Total assets
Electric utility¹		$	10,769		$	10,423
Gas utility¹			4,922			5,016
Other			718			836
Total assets – Consumers		$	16,409		$	16,275

¹	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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