Reportable Segments

6 Months Ended

Jun. 30, 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						Six Months Ended
June 30	2017			2016			2017			2016
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,077		$	1,022		$	2,113		$	2,035
Gas utility			285			271			986			981
Enterprises			55			49			114			97
Other reconciling items			32			29			65			59
Total operating revenue – CMS Energy		$	1,449		$	1,371		$	3,278		$	3,172
Consumers
Operating revenue
Electric utility		$	1,077		$	1,022		$	2,113		$	2,035
Gas utility			285			271			986			981
Total operating revenue – Consumers		$	1,362		$	1,293		$	3,099		$	3,016
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	94		$	113		$	218		$	204
Gas utility			9			18			96			99
Enterprises			7			3			19			9
Other reconciling items			(18)			(10)			(42)			(24)
Total net income available to common stockholders – CMS Energy		$	92		$	124		$	291		$	288
Consumers
Net income available to common stockholder
Electric utility		$	94		$	113		$	218		$	204
Gas utility			9			18			96			99
Total net income available to common stockholder – Consumers		$	103		$	131		$	314		$	303

In Millions
	June 30, 2017			December 31, 2016
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,937		$	14,540
Gas utility1			6,499			6,283
Enterprises			161			157
Other reconciling items			31			30
Total plant, property, and equipment, gross – CMS Energy		$	21,628		$	21,010
Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,937		$	14,540
Gas utility1			6,499			6,283
Other reconciling items			15			15
Total plant, property, and equipment, gross – Consumers		$	21,451		$	20,838
CMS Energy, including Consumers
Total assets
Electric utility1		$	13,772		$	13,429
Gas utility1			6,393			6,446
Enterprises			270			269
Other reconciling items			1,432			1,478
Total assets – CMS Energy		$	21,867		$	21,622
Consumers
Total assets
Electric utility1		$	13,774		$	13,430
Gas utility1			6,393			6,446
Other reconciling items			38			70
Total assets – Consumers		$	20,205		$	19,946

1Amounts 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						Six Months Ended
June 30	2017			2016			2017			2016
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,077		$	1,022		$	2,113		$	2,035
Gas utility			285			271			986			981
Enterprises			55			49			114			97
Other reconciling items			32			29			65			59
Total operating revenue – CMS Energy		$	1,449		$	1,371		$	3,278		$	3,172
Consumers
Operating revenue
Electric utility		$	1,077		$	1,022		$	2,113		$	2,035
Gas utility			285			271			986			981
Total operating revenue – Consumers		$	1,362		$	1,293		$	3,099		$	3,016
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	94		$	113		$	218		$	204
Gas utility			9			18			96			99
Enterprises			7			3			19			9
Other reconciling items			(18)			(10)			(42)			(24)
Total net income available to common stockholders – CMS Energy		$	92		$	124		$	291		$	288
Consumers
Net income available to common stockholder
Electric utility		$	94		$	113		$	218		$	204
Gas utility			9			18			96			99
Total net income available to common stockholder – Consumers		$	103		$	131		$	314		$	303

In Millions
	June 30, 2017			December 31, 2016
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,937		$	14,540
Gas utility1			6,499			6,283
Enterprises			161			157
Other reconciling items			31			30
Total plant, property, and equipment, gross – CMS Energy		$	21,628		$	21,010
Consumers
Plant, property, and equipment, gross
Electric utility1		$	14,937		$	14,540
Gas utility1			6,499			6,283
Other reconciling items			15			15
Total plant, property, and equipment, gross – Consumers		$	21,451		$	20,838
CMS Energy, including Consumers
Total assets
Electric utility1		$	13,772		$	13,429
Gas utility1			6,393			6,446
Enterprises			270			269
Other reconciling items			1,432			1,478
Total assets – CMS Energy		$	21,867		$	21,622
Consumers
Total assets
Electric utility1		$	13,774		$	13,430
Gas utility1			6,393			6,446
Other reconciling items			38			70
Total assets – Consumers		$	20,205		$	19,946

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