Reportable Segments

3 Months Ended

Mar. 31, 2019

Segment Reporting Information [Line Items]

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, purchase, transmission, distribution, and sale of electricity in Michigan


•	gas utility, consisting of regulated activities associated with the purchase, transmission, storage, distribution, and sale of natural gas in Michigan


•	enterprises, consisting of various subsidiaries engaging in domestic independent power production, including the development and operation of renewable generation, and the marketing of independent power production

CMS Energy presents EnerBank, corporate interest and other expenses, and Consumers’ other consolidated entities within other reconciling items.

Consumers

The reportable segments for Consumers are:


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


•	gas utility, consisting of regulated activities associated with the purchase, transmission, storage, distribution, and sale 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	2019				2018
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,103			$	1,078
Gas utility		840				777
Enterprises		67				63
Other reconciling items		49				35
Total operating revenue – CMS Energy		$	2,059			$	1,953
Consumers
Operating revenue
Electric utility		$	1,103			$	1,078
Gas utility		840				777
Total operating revenue – Consumers		$	1,943			$	1,855
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	105			$	139
Gas utility		121				103
Enterprises		1				15
Other reconciling items		(14		)		(16		)
Total net income available to common stockholders – CMS Energy		$	213			$	241
Consumers
Net income available to common stockholder
Electric utility		$	105			$	139
Gas utility		121				103
Total net income available to common stockholder – Consumers		$	226			$	242



In Millions
	March 31, 2019			December 31, 2018
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility¹		$	16,196		$	16,027
Gas utility¹		8,087			7,919
Enterprises		404			412
Other reconciling items		42			42
Total plant, property, and equipment, gross – CMS Energy		$	24,729		$	24,400
Consumers
Plant, property, and equipment, gross
Electric utility¹		$	16,196		$	16,027
Gas utility¹		8,087			7,919
Other reconciling items		17			17
Total plant, property, and equipment, gross – Consumers		$	24,300		$	23,963
CMS Energy, including Consumers
Total assets
Electric utility¹		$	14,237		$	14,079
Gas utility¹		7,681			7,806
Enterprises		524			540
Other reconciling items		2,351			2,104
Total assets – CMS Energy		$	24,793		$	24,529
Consumers
Total assets
Electric utility¹		$	14,300		$	14,143
Gas utility¹		7,729			7,853
Other reconciling items		23			29
Total assets – Consumers		$	22,052		$	22,025


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

Consumers Energy Company