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Reportable Segments
 12 Months Ended
Dec. 31, 2022
Segment Reporting Information [Line Items]  
Reportable Segments Reportable SegmentsReportable 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.
Accounting policies for CMS Energy’s and Consumers’ segments are as described in Note 1, Significant Accounting Policies. The consolidated financial statements reflect the assets, liabilities, revenues, and expenses of the individual segments when appropriate. Accounts are allocated among the segments when common accounts are attributable to more than one segment. The allocations are based on certain measures of business activities, such as revenue, labor dollars, customers, other operating and maintenance expense, construction expense, leased property, taxes, or functional surveys. For example, customer receivables are allocated based on revenue, and pension provisions are allocated based on labor dollars.
Inter-segment sales and transfers are accounted for at current market prices and are eliminated in consolidated net income available to common stockholders by segment. Inter-segment sales and transfers were immaterial for all periods presented.
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 (formerly known as the enterprises segment), 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
In August 2022, CMS Enterprises Company changed its legal name to NorthStar Clean Energy Company. To align the segment reporting with the legal organizational structure and the internal reporting of CMS Energy, the enterprises segment will now be referred to as NorthStar Clean Energy. There were no changes to CMS Energy’s reportable segment composition as a result of this name change.
In October 2021, EnerBank was acquired by Regions Bank. As a result, EnerBank was removed from the composition of CMS Energy’s reportable segments. EnerBank’s results of operations through the date of the sale are presented as income from discontinued operations on CMS Energy’s consolidated statements of income. For information regarding the sale of EnerBank, see Note 19, Exit Activities and Discontinued Operations.
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
Years Ended December 31202220212020
CMS Energy, including Consumers
Operating revenue
Electric utility$5,419 $4,958 $4,372 
Gas utility2,732 2,063 1,817 
NorthStar Clean Energy445 308 229 
Total operating revenue – CMS Energy$8,596 $7,329 $6,418 
Consumers
Operating revenue
Electric utility$5,419 $4,958 $4,372 
Gas utility2,732 2,063 1,817 
Total operating revenue – Consumers$8,151 $7,021 $6,189 
CMS Energy, including Consumers
Depreciation and amortization
Electric utility$757 $772 $739 
Gas utility330 304 283 
NorthStar Clean Energy38 37 20 
Other reconciling items1 1 1 
Total depreciation and amortization – CMS Energy$1,126 $1,114 $1,043 
Consumers
Depreciation and amortization
Electric utility$757 $772 $739 
Gas utility330 304 283 
Other reconciling items1 1 1 
Total depreciation and amortization – Consumers$1,088 $1,077 $1,023 
In Millions
Years Ended December 31202220212020
CMS Energy, including Consumers
Income from equity method investees1
NorthStar Clean Energy$3 $10 $5 
Total income from equity method investees – CMS Energy$3 $10 $5 
CMS Energy, including Consumers
Interest charges
Electric utility$218 $207 $217 
Gas utility116 104 102 
NorthStar Clean Energy3 6 7 
Other reconciling items182 183 179 
Total interest charges – CMS Energy$519 $500 $505 
Consumers
Interest charges
Electric utility$218 $207 $217 
Gas utility116 104 102 
Other reconciling items1 — 1 
Total interest charges – Consumers$335 $311 $320 
CMS Energy, including Consumers
Income tax expense (benefit)
Electric utility$109 $117 $115 
Gas utility32 39 58 
NorthStar Clean Energy3 (2)(4)
Other reconciling items(51)(59)(54)
Total income tax expense – CMS Energy$93 $95 $115 
Consumers
Income tax expense (benefit)
Electric utility$109 $117 $115 
Gas utility32 39 58 
Other reconciling items(1)— — 
Total income tax expense – Consumers$140 $156 $173 
In Millions
Years Ended December 31202220212020
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility$567 $565 $554 
Gas utility378 302 261 
NorthStar Clean Energy34 23 36 
Other reconciling items(152)458 (96)
Total net income available to common stockholders – CMS Energy$827 $1,348 $755 
Consumers
Net income (loss) available to common stockholder
Electric utility$567 $565 $554 
Gas utility378 302 261 
Other reconciling items(2)(1)(1)
Total net income available to common stockholder – Consumers$943 $866 $814 
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility2
$17,870 $18,147 $17,155 
Gas utility2
11,443 10,601 9,581 
NorthStar Clean Energy1,148 1,122 1,113 
Other reconciling items30 23 21 
Total plant, property, and equipment, gross – CMS Energy$30,491 $29,893 $27,870 
Consumers
Plant, property, and equipment, gross
Electric utility2
$17,870 $18,147 $17,155 
Gas utility2
11,443 10,601 9,581 
Other reconciling items29 23 21 
Total plant, property, and equipment, gross – Consumers$29,342 $28,771 $26,757 
CMS Energy, including Consumers
Investments in equity method investees1
NorthStar Clean Energy$71 $71 $70 
Total investments in equity method investees – CMS Energy$71 $71 $70 
In Millions
Years Ended December 31202220212020
CMS Energy, including Consumers
Total assets
Electric utility2
$17,907 $16,493 $15,829 
Gas utility2
11,873 10,517 9,429 
NorthStar Clean Energy1,464 1,312 1,276 
Other reconciling items109 431 3,132 
Total assets – CMS Energy$31,353 $28,753 $29,666 
Consumers
Total assets
Electric utility2
$17,968 $16,555 $15,893 
Gas utility2
11,918 10,564 9,477 
Other reconciling items30 21 29 
Total assets – Consumers$29,916 $27,140 $25,399 
CMS Energy, including Consumers
Capital expenditures3
Electric utility4
$1,265 $1,153 $1,281 
Gas utility4
1,008 989 885 
NorthStar Clean Energy113 17 108 
Other reconciling items7 2 1 
Total capital expenditures – CMS Energy$2,393 $2,161 $2,275 
Consumers
Capital expenditures3
Electric utility4
$1,265 $1,153 $1,281 
Gas utility4
1,008 989 885 
Other reconciling items7 2 1 
Total capital expenditures – Consumers$2,280 $2,144 $2,167 
1Consumers had no equity method investments.
2Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
3Amounts include assets placed under finance lease.
4Amounts include a portion of Consumers’ capital expenditures for plant and equipment attributable to both the electric and gas utility businesses.
Consumers Energy Company  
Segment Reporting Information [Line Items]  
Reportable Segments Reportable SegmentsReportable 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.
Accounting policies for CMS Energy’s and Consumers’ segments are as described in Note 1, Significant Accounting Policies. The consolidated financial statements reflect the assets, liabilities, revenues, and expenses of the individual segments when appropriate. Accounts are allocated among the segments when common accounts are attributable to more than one segment. The allocations are based on certain measures of business activities, such as revenue, labor dollars, customers, other operating and maintenance expense, construction expense, leased property, taxes, or functional surveys. For example, customer receivables are allocated based on revenue, and pension provisions are allocated based on labor dollars.
Inter-segment sales and transfers are accounted for at current market prices and are eliminated in consolidated net income available to common stockholders by segment. Inter-segment sales and transfers were immaterial for all periods presented.
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 (formerly known as the enterprises segment), 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
In August 2022, CMS Enterprises Company changed its legal name to NorthStar Clean Energy Company. To align the segment reporting with the legal organizational structure and the internal reporting of CMS Energy, the enterprises segment will now be referred to as NorthStar Clean Energy. There were no changes to CMS Energy’s reportable segment composition as a result of this name change.
In October 2021, EnerBank was acquired by Regions Bank. As a result, EnerBank was removed from the composition of CMS Energy’s reportable segments. EnerBank’s results of operations through the date of the sale are presented as income from discontinued operations on CMS Energy’s consolidated statements of income. For information regarding the sale of EnerBank, see Note 19, Exit Activities and Discontinued Operations.
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
Years Ended December 31202220212020
CMS Energy, including Consumers
Operating revenue
Electric utility$5,419 $4,958 $4,372 
Gas utility2,732 2,063 1,817 
NorthStar Clean Energy445 308 229 
Total operating revenue – CMS Energy$8,596 $7,329 $6,418 
Consumers
Operating revenue
Electric utility$5,419 $4,958 $4,372 
Gas utility2,732 2,063 1,817 
Total operating revenue – Consumers$8,151 $7,021 $6,189 
CMS Energy, including Consumers
Depreciation and amortization
Electric utility$757 $772 $739 
Gas utility330 304 283 
NorthStar Clean Energy38 37 20 
Other reconciling items1 1 1 
Total depreciation and amortization – CMS Energy$1,126 $1,114 $1,043 
Consumers
Depreciation and amortization
Electric utility$757 $772 $739 
Gas utility330 304 283 
Other reconciling items1 1 1 
Total depreciation and amortization – Consumers$1,088 $1,077 $1,023 
In Millions
Years Ended December 31202220212020
CMS Energy, including Consumers
Income from equity method investees1
NorthStar Clean Energy$3 $10 $5 
Total income from equity method investees – CMS Energy$3 $10 $5 
CMS Energy, including Consumers
Interest charges
Electric utility$218 $207 $217 
Gas utility116 104 102 
NorthStar Clean Energy3 6 7 
Other reconciling items182 183 179 
Total interest charges – CMS Energy$519 $500 $505 
Consumers
Interest charges
Electric utility$218 $207 $217 
Gas utility116 104 102 
Other reconciling items1 — 1 
Total interest charges – Consumers$335 $311 $320 
CMS Energy, including Consumers
Income tax expense (benefit)
Electric utility$109 $117 $115 
Gas utility32 39 58 
NorthStar Clean Energy3 (2)(4)
Other reconciling items(51)(59)(54)
Total income tax expense – CMS Energy$93 $95 $115 
Consumers
Income tax expense (benefit)
Electric utility$109 $117 $115 
Gas utility32 39 58 
Other reconciling items(1)— — 
Total income tax expense – Consumers$140 $156 $173 
In Millions
Years Ended December 31202220212020
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility$567 $565 $554 
Gas utility378 302 261 
NorthStar Clean Energy34 23 36 
Other reconciling items(152)458 (96)
Total net income available to common stockholders – CMS Energy$827 $1,348 $755 
Consumers
Net income (loss) available to common stockholder
Electric utility$567 $565 $554 
Gas utility378 302 261 
Other reconciling items(2)(1)(1)
Total net income available to common stockholder – Consumers$943 $866 $814 
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility2
$17,870 $18,147 $17,155 
Gas utility2
11,443 10,601 9,581 
NorthStar Clean Energy1,148 1,122 1,113 
Other reconciling items30 23 21 
Total plant, property, and equipment, gross – CMS Energy$30,491 $29,893 $27,870 
Consumers
Plant, property, and equipment, gross
Electric utility2
$17,870 $18,147 $17,155 
Gas utility2
11,443 10,601 9,581 
Other reconciling items29 23 21 
Total plant, property, and equipment, gross – Consumers$29,342 $28,771 $26,757 
CMS Energy, including Consumers
Investments in equity method investees1
NorthStar Clean Energy$71 $71 $70 
Total investments in equity method investees – CMS Energy$71 $71 $70 
In Millions
Years Ended December 31202220212020
CMS Energy, including Consumers
Total assets
Electric utility2
$17,907 $16,493 $15,829 
Gas utility2
11,873 10,517 9,429 
NorthStar Clean Energy1,464 1,312 1,276 
Other reconciling items109 431 3,132 
Total assets – CMS Energy$31,353 $28,753 $29,666 
Consumers
Total assets
Electric utility2
$17,968 $16,555 $15,893 
Gas utility2
11,918 10,564 9,477 
Other reconciling items30 21 29 
Total assets – Consumers$29,916 $27,140 $25,399 
CMS Energy, including Consumers
Capital expenditures3
Electric utility4
$1,265 $1,153 $1,281 
Gas utility4
1,008 989 885 
NorthStar Clean Energy113 17 108 
Other reconciling items7 2 1 
Total capital expenditures – CMS Energy$2,393 $2,161 $2,275 
Consumers
Capital expenditures3
Electric utility4
$1,265 $1,153 $1,281 
Gas utility4
1,008 989 885 
Other reconciling items7 2 1 
Total capital expenditures – Consumers$2,280 $2,144 $2,167 
1Consumers had no equity method investments.
2Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
3Amounts include assets placed under finance lease.
4Amounts include a portion of Consumers’ capital expenditures for plant and equipment attributable to both the electric and gas utility businesses.