Reportable Segments

3 Months Ended

Mar. 31, 2017

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.

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	2017			2016
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,036		$	1,013
Gas utility			701			710
Enterprises			59			48
Other reconciling items			33			30
Total operating revenue – CMS Energy		$	1,829		$	1,801
Consumers
Operating revenue
Electric utility		$	1,036		$	1,013
Gas utility			701			710
Total operating revenue – Consumers		$	1,737		$	1,723
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	124		$	91
Gas utility			87			81
Enterprises			12			6
Other reconciling items			(24)			(14)
Total net income available to common stockholders – CMS Energy		$	199		$	164
Consumers
Net income available to common stockholder
Electric utility		$	124		$	91
Gas utility			87			81
Total net income available to common stockholder – Consumers		$	211		$	172

In Millions
	March 31, 2017			December 31, 2016
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,715		$	14,540
Gas utility1			6,362			6,283
Enterprises			158			157
Other reconciling items			30			30
Total plant, property, and equipment, gross – CMS Energy		$	21,265		$	21,010
Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,715		$	14,540
Gas utility1			6,362			6,283
Other reconciling items			15			15
Total plant, property, and equipment, gross – Consumers		$	21,092		$	20,838
CMS Energy, including Consumers
Total assets
Electric utility1		$	13,653		$	13,429
Gas utility1			6,131			6,446
Enterprises			269			269
Other reconciling items			1,570			1,478
Total assets – CMS Energy		$	21,623		$	21,622
Consumers
Total assets
Electric utility1		$	13,656		$	13,430
Gas utility1			6,131			6,446
Other reconciling items			37			70
Total assets – Consumers		$	19,824		$	19,946

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.

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	2017			2016
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,036		$	1,013
Gas utility			701			710
Enterprises			59			48
Other reconciling items			33			30
Total operating revenue – CMS Energy		$	1,829		$	1,801
Consumers
Operating revenue
Electric utility		$	1,036		$	1,013
Gas utility			701			710
Total operating revenue – Consumers		$	1,737		$	1,723
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	124		$	91
Gas utility			87			81
Enterprises			12			6
Other reconciling items			(24)			(14)
Total net income available to common stockholders – CMS Energy		$	199		$	164
Consumers
Net income available to common stockholder
Electric utility		$	124		$	91
Gas utility			87			81
Total net income available to common stockholder – Consumers		$	211		$	172

In Millions
	March 31, 2017			December 31, 2016
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,715		$	14,540
Gas utility1			6,362			6,283
Enterprises			158			157
Other reconciling items			30			30
Total plant, property, and equipment, gross – CMS Energy		$	21,265		$	21,010
Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,715		$	14,540
Gas utility1			6,362			6,283
Other reconciling items			15			15
Total plant, property, and equipment, gross – Consumers		$	21,092		$	20,838
CMS Energy, including Consumers
Total assets
Electric utility1		$	13,653		$	13,429
Gas utility1			6,131			6,446
Enterprises			269			269
Other reconciling items			1,570			1,478
Total assets – CMS Energy		$	21,623		$	21,622
Consumers
Total assets
Electric utility1		$	13,656		$	13,430
Gas utility1			6,131			6,446
Other reconciling items			37			70
Total assets – Consumers		$	19,824		$	19,946

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