Reportable Segments

3 Months Ended

Mar. 31, 2016

Reportable Segments

11: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.

CMS Energy

The reportable segments for CMS Energy are:

· electric utility, consisting of regulated activities associated with the generation, transmission, 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

CMS Energy presents EnerBank and corporate interest and other expenses within other reconciling items.

Consumers

The reportable segments for Consumers are:

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

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

Consumers’ other consolidated entities are presented within other reconciling items.

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

In Millions
Three Months Ended March 31	2016			2015
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,013		$	1,033
Gas utility			710			995
Enterprises			48			60
Other reconciling items			30			23
Total operating revenue – CMS Energy		$	1,801		$	2,111
Consumers
Operating revenue
Electric utility		$	1,013		$	1,033
Gas utility			710			995
Total operating revenue – Consumers		$	1,723		$	2,028
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	91		$	94
Gas utility			81			121
Enterprises			6			7
Other reconciling items			(14)			(20)
Total net income available to common stockholders – CMS Energy		$	164		$	202
Consumers
Net income available to common stockholder
Electric utility		$	91		$	94
Gas utility			81			121
Total net income available to common stockholder – Consumers		$	172		$	215

In Millions
	March 31, 2016			December 31, 2015
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	13,331		$	13,059
Gas utility1			5,819			5,723
Enterprises			159			120
Other reconciling items			25			41
Total plant, property, and equipment, gross – CMS Energy		$	19,334		$	18,943
Consumers
Plant, property, and equipment, gross
Electric utility1		$	13,331		$	13,059
Gas utility1			5,819			5,723
Other reconciling items			15			15
Total plant, property, and equipment, gross – Consumers		$	19,165		$	18,797
CMS Energy, including Consumers
Total assets
Electric utility1		$	12,743		$	12,660
Gas utility1			5,624			5,912
Enterprises			261			270
Other reconciling items			1,409			1,457
Total assets – CMS Energy2		$	20,037		$	20,299
Consumers
Total assets
Electric utility1		$	12,744		$	12,660
Gas utility1			5,624			5,912
Other reconciling items			54			63
Total assets – Consumers2		$	18,422		$	18,635

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

² CMS Energy and Consumers changed the reporting of debt issuance costs on their consolidated balance sheets in accordance with ASU 2015-03,  Simplifying the Presentation of Debt Issuance Costs, as of January 1, 2016, and retrospectively adjusted prior-period amounts for comparability. For further details on the implementation of this standard, see Note 1, New Accounting Standards.

Consumers Energy Company [Member]

Reportable Segments

11: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.

CMS Energy

The reportable segments for CMS Energy are:

· electric utility, consisting of regulated activities associated with the generation, transmission, 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

CMS Energy presents EnerBank and corporate interest and other expenses within other reconciling items.

Consumers

The reportable segments for Consumers are:

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

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

Consumers’ other consolidated entities are presented within other reconciling items.

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

In Millions
Three Months Ended March 31	2016			2015
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,013		$	1,033
Gas utility			710			995
Enterprises			48			60
Other reconciling items			30			23
Total operating revenue – CMS Energy		$	1,801		$	2,111
Consumers
Operating revenue
Electric utility		$	1,013		$	1,033
Gas utility			710			995
Total operating revenue – Consumers		$	1,723		$	2,028
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	91		$	94
Gas utility			81			121
Enterprises			6			7
Other reconciling items			(14)			(20)
Total net income available to common stockholders – CMS Energy		$	164		$	202
Consumers
Net income available to common stockholder
Electric utility		$	91		$	94
Gas utility			81			121
Total net income available to common stockholder – Consumers		$	172		$	215

In Millions
	March 31, 2016			December 31, 2015
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	13,331		$	13,059
Gas utility1			5,819			5,723
Enterprises			159			120
Other reconciling items			25			41
Total plant, property, and equipment, gross – CMS Energy		$	19,334		$	18,943
Consumers
Plant, property, and equipment, gross
Electric utility1		$	13,331		$	13,059
Gas utility1			5,819			5,723
Other reconciling items			15			15
Total plant, property, and equipment, gross – Consumers		$	19,165		$	18,797
CMS Energy, including Consumers
Total assets
Electric utility1		$	12,743		$	12,660
Gas utility1			5,624			5,912
Enterprises			261			270
Other reconciling items			1,409			1,457
Total assets – CMS Energy2		$	20,037		$	20,299
Consumers
Total assets
Electric utility1		$	12,744		$	12,660
Gas utility1			5,624			5,912
Other reconciling items			54			63
Total assets – Consumers2		$	18,422		$	18,635

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

² CMS Energy and Consumers changed the reporting of debt issuance costs on their consolidated balance sheets in accordance with ASU 2015-03,  Simplifying the Presentation of Debt Issuance Costs, as of January 1, 2016, and retrospectively adjusted prior-period amounts for comparability. For further details on the implementation of this standard, see Note 1, New Accounting Standards.