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Reportable Segments
 3 Months Ended
Mar. 31, 2024
Segment Reporting Information [Line Items]  
Reportable Segments 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 segments reported for CMS Energy are:
•electric utility, consisting of regulated activities associated with the generation, purchase, 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
•NorthStar Clean Energy, 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 corporate interest and other expenses, discontinued operations, and Consumers’ other consolidated entities within other reconciling items.
Consumers
The segments reported for Consumers are:
•electric utility, consisting of regulated activities associated with the generation, purchase, 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 segment:
In Millions
Three Months Ended March 3120242023
CMS Energy, including Consumers
Operating revenue
Electric utility$1,132 $1,091 
Gas utility965 1,119 
NorthStar Clean Energy79 74 
Total operating revenue – CMS Energy$2,176 $2,284 
Consumers
Operating revenue
Electric utility$1,132 $1,091 
Gas utility965 1,119 
Other reconciling items— — 
Total operating revenue – Consumers$2,097 $2,210 
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility$97 $70 
Gas utility169 154 
NorthStar Clean Energy31 7 
Other reconciling items(12)(29)
Total net income available to common stockholders – CMS Energy$285 $202 
Consumers
Net income available to common stockholder
Electric utility$97 $70 
Gas utility169 154 
Other reconciling items9 8 
Total net income available to common stockholder – Consumers$275 $232 
In Millions
March 31, 2024December 31, 2023
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1
$19,317 $19,302 
Gas utility1
12,475 12,383 
NorthStar Clean Energy1,424 1,420 
Other reconciling items20 30 
Total plant, property, and equipment, gross – CMS Energy$33,236 $33,135 
Consumers
Plant, property, and equipment, gross
Electric utility1
$19,317 $19,302 
Gas utility1
12,475 12,383 
Other reconciling items28 38 
Total plant, property, and equipment, gross – Consumers$31,820 $31,723 
CMS Energy, including Consumers
Total assets
Electric utility1
$19,759 $19,358 
Gas utility1
12,305 12,353 
NorthStar Clean Energy1,615 1,604 
Other reconciling items222 202 
Total assets – CMS Energy$33,901 $33,517 
Consumers
Total assets
Electric utility1
$19,818 $19,417 
Gas utility1
12,348 12,397 
Other reconciling items43 38 
Total assets – Consumers$32,209 $31,852 
1Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
Consumers Energy Company  
Segment Reporting Information [Line Items]  
Reportable Segments 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 segments reported for CMS Energy are:
•electric utility, consisting of regulated activities associated with the generation, purchase, 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
•NorthStar Clean Energy, 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 corporate interest and other expenses, discontinued operations, and Consumers’ other consolidated entities within other reconciling items.
Consumers
The segments reported for Consumers are:
•electric utility, consisting of regulated activities associated with the generation, purchase, 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 segment:
In Millions
Three Months Ended March 3120242023
CMS Energy, including Consumers
Operating revenue
Electric utility$1,132 $1,091 
Gas utility965 1,119 
NorthStar Clean Energy79 74 
Total operating revenue – CMS Energy$2,176 $2,284 
Consumers
Operating revenue
Electric utility$1,132 $1,091 
Gas utility965 1,119 
Other reconciling items— — 
Total operating revenue – Consumers$2,097 $2,210 
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility$97 $70 
Gas utility169 154 
NorthStar Clean Energy31 7 
Other reconciling items(12)(29)
Total net income available to common stockholders – CMS Energy$285 $202 
Consumers
Net income available to common stockholder
Electric utility$97 $70 
Gas utility169 154 
Other reconciling items9 8 
Total net income available to common stockholder – Consumers$275 $232 
In Millions
March 31, 2024December 31, 2023
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1
$19,317 $19,302 
Gas utility1
12,475 12,383 
NorthStar Clean Energy1,424 1,420 
Other reconciling items20 30 
Total plant, property, and equipment, gross – CMS Energy$33,236 $33,135 
Consumers
Plant, property, and equipment, gross
Electric utility1
$19,317 $19,302 
Gas utility1
12,475 12,383 
Other reconciling items28 38 
Total plant, property, and equipment, gross – Consumers$31,820 $31,723 
CMS Energy, including Consumers
Total assets
Electric utility1
$19,759 $19,358 
Gas utility1
12,305 12,353 
NorthStar Clean Energy1,615 1,604 
Other reconciling items222 202 
Total assets – CMS Energy$33,901 $33,517 
Consumers
Total assets
Electric utility1
$19,818 $19,417 
Gas utility1
12,348 12,397 
Other reconciling items43 38 
Total assets – Consumers$32,209 $31,852 
1Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.