| Schedule of Disaggregation of Revenue |
Presented in the following tables are the components of operating revenue: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | Three Months Ended September 30, 2026 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | CMS Energy, including Consumers | | Consumers utility revenue | | $ | 1,769 | | | $ | 263 | | | $ | — | | | | | $ | 2,032 | | | Other | | — | | | — | | | 138 | | | | | 138 | | | Revenue recognized from contracts with customers | | $ | 1,769 | | | $ | 263 | | | $ | 138 | | | | | $ | 2,170 | | | | | | | | | | | | | | Financing income | | 3 | | | 1 | | | — | | | | | 4 | | | Consumers alternative-revenue programs | | 2 | | | — | | | — | | | | | 2 | | | Other | | — | | | — | | | 7 | | | | | 7 | | | | | | | | | | | | | | Total operating revenue – CMS Energy | | $ | 1,774 | | | $ | 264 | | | $ | 145 | | | | | $ | 2,183 | | | Consumers | | Consumers utility revenue | | | | | | | | | | | | Residential | | $ | 915 | | | $ | 170 | | | | | | | $ | 1,085 | | | Commercial | | 568 | | | 43 | | | | | | | 611 | | | Industrial | | 223 | | | 7 | | | | | | | 230 | | | Other | | 63 | | | 43 | | | | | | | 106 | | | Revenue recognized from contracts with customers | | $ | 1,769 | | | $ | 263 | | | | | | | $ | 2,032 | | | | | | | | | | | | | | Financing income | | 3 | | | 1 | | | | | | | 4 | | | Alternative-revenue programs | | 2 | | | — | | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 1,774 | | | $ | 264 | | | | | | | $ | 2,038 | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | Three Months Ended September 30, 2025 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | CMS Energy, including Consumers | | Consumers utility revenue | | $ | 1,675 | | | $ | 233 | | | $ | — | | | | | $ | 1,908 | | | Other | | — | | | — | | | 67 | | | | | 67 | | | Revenue recognized from contracts with customers | | $ | 1,675 | | | $ | 233 | | | $ | 67 | | | | | $ | 1,975 | | | Leasing income | | — | | | — | | | 41 | | | | | 41 | | | Financing income | | 2 | | | 1 | | | — | | | | | 3 | | | Consumers alternative-revenue programs | | 2 | | | — | | | — | | | | | 2 | | | | | | | | | | | | | | Total operating revenue – CMS Energy | | $ | 1,679 | | | $ | 234 | | | $ | 108 | | | | | $ | 2,021 | | | Consumers | | Consumers utility revenue | | | | | | | | | | | | Residential | | $ | 842 | | | $ | 139 | | | | | | | $ | 981 | | | Commercial | | 577 | | | 45 | | | | | | | 622 | | | Industrial | | 204 | | | 6 | | | | | | | 210 | | | Other | | 52 | | | 43 | | | | | | | 95 | | | Revenue recognized from contracts with customers | | $ | 1,675 | | | $ | 233 | | | | | | | $ | 1,908 | | | | | | | | | | | | | | Financing income | | 2 | | | 1 | | | | | | | 3 | | | Alternative-revenue programs | | 2 | | | — | | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 1,679 | | | $ | 234 | | | | | | | $ | 1,913 | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. Certain of NorthStar Clean Energy’s power sales agreements were accounted for as operating leases. In addition to fixed payments, these agreements had variable payments based on energy delivered. NorthStar Clean Energy’s leasing income included variable lease payments of $28 million for the three months ended September 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | | | Nine Months Ended September 30, 2026 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | | | CMS Energy, including Consumers | | | | Consumers utility revenue | | $ | 4,467 | | | $ | 1,891 | | | $ | — | | | | | $ | 6,358 | | | | | Other | | — | | | — | | | 295 | | | | | 295 | | | | | Revenue recognized from contracts with customers | | $ | 4,467 | | | $ | 1,891 | | | $ | 295 | | | | | $ | 6,653 | | | | | Leasing income | | — | | | — | | | 64 | | | | | 64 | | | | | Financing income | | 8 | | | 5 | | | — | | | | | 13 | | | | | Consumers alternative-revenue programs | | 5 | | | — | | | — | | | | | 5 | | | | | | | | | | | | | | | | | | Other | | — | | | — | | | 7 | | | | | 7 | | | | | Total operating revenue – CMS Energy | | $ | 4,480 | | | $ | 1,896 | | | $ | 366 | | | | | $ | 6,742 | | | | | Consumers | | | | Consumers utility revenue | | | | | | | | | | | | | | Residential | | $ | 2,207 | | | $ | 1,339 | | | | | | | $ | 3,546 | | | | | Commercial | | 1,483 | | | 399 | | | | | | | 1,882 | | | | | Industrial | | 613 | | | 47 | | | | | | | 660 | | | | | Other | | 164 | | | 106 | | | | | | | 270 | | | | | Revenue recognized from contracts with customers | | $ | 4,467 | | | $ | 1,891 | | | | | | | $ | 6,358 | | | | | | | | | | | | | | | | | | Financing income | | 8 | | | 5 | | | | | | | 13 | | | | | Alternative-revenue programs | | 5 | | | — | | | | | | | 5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 4,480 | | | $ | 1,896 | | | | | | | $ | 6,376 | | | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. Certain of NorthStar Clean Energy’s power sales agreements were accounted for as operating leases. In addition to fixed payments, these agreements had variable payments based on energy delivered. NorthStar Clean Energy’s leasing income included variable lease payments of $46 million for the nine months ended September 30, 2026 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | Nine Months Ended September 30, 2025 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | CMS Energy, including Consumers | | Consumers utility revenue | | $ | 4,324 | | | $ | 1,665 | | | $ | — | | | | | $ | 5,989 | | | Other | | — | | | — | | | 182 | | | | | 182 | | | Revenue recognized from contracts with customers | | $ | 4,324 | | | $ | 1,665 | | | $ | 182 | | | | | $ | 6,171 | | | Leasing income | | — | | | — | | | 117 | | | | | 117 | | | Financing income | | 7 | | | 5 | | | — | | | | | 12 | | | Consumers alternative-revenue programs | | 6 | | | — | | | — | | | | | 6 | | | | | | | | | | | | | | Total operating revenue – CMS Energy | | $ | 4,337 | | | $ | 1,670 | | | $ | 299 | | | | | $ | 6,306 | | | Consumers | | Consumers utility revenue | | | | | | | | | | | | Residential | | $ | 2,055 | | | $ | 1,146 | | | | | | | $ | 3,201 | | | Commercial | | 1,468 | | | 374 | | | | | | | 1,842 | | | Industrial | | 576 | | | 46 | | | | | | | 622 | | | Other | | 225 | | | 99 | | | | | | | 324 | | | Revenue recognized from contracts with customers | | $ | 4,324 | | | $ | 1,665 | | | | | | | $ | 5,989 | | | | | | | | | | | | | | Financing income | | 7 | | | 5 | | | | | | | 12 | | | Alternative-revenue programs | | 6 | | | — | | | | | | | 6 | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 4,337 | | | $ | 1,670 | | | | | | | $ | 6,007 | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. Certain of NorthStar Clean Energy’s power sales agreements were accounted for as operating leases. In addition to fixed payments, these agreements had variable payments based on energy delivered. NorthStar Clean Energy’s leasing income included variable lease payments of $82 million for the nine months ended September 30, 2025.
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| Schedule of Disaggregation of Revenue |
Presented in the following tables are the components of operating revenue: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | Three Months Ended September 30, 2026 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | CMS Energy, including Consumers | | Consumers utility revenue | | $ | 1,769 | | | $ | 263 | | | $ | — | | | | | $ | 2,032 | | | Other | | — | | | — | | | 138 | | | | | 138 | | | Revenue recognized from contracts with customers | | $ | 1,769 | | | $ | 263 | | | $ | 138 | | | | | $ | 2,170 | | | | | | | | | | | | | | Financing income | | 3 | | | 1 | | | — | | | | | 4 | | | Consumers alternative-revenue programs | | 2 | | | — | | | — | | | | | 2 | | | Other | | — | | | — | | | 7 | | | | | 7 | | | | | | | | | | | | | | Total operating revenue – CMS Energy | | $ | 1,774 | | | $ | 264 | | | $ | 145 | | | | | $ | 2,183 | | | Consumers | | Consumers utility revenue | | | | | | | | | | | | Residential | | $ | 915 | | | $ | 170 | | | | | | | $ | 1,085 | | | Commercial | | 568 | | | 43 | | | | | | | 611 | | | Industrial | | 223 | | | 7 | | | | | | | 230 | | | Other | | 63 | | | 43 | | | | | | | 106 | | | Revenue recognized from contracts with customers | | $ | 1,769 | | | $ | 263 | | | | | | | $ | 2,032 | | | | | | | | | | | | | | Financing income | | 3 | | | 1 | | | | | | | 4 | | | Alternative-revenue programs | | 2 | | | — | | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 1,774 | | | $ | 264 | | | | | | | $ | 2,038 | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | Three Months Ended September 30, 2025 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | CMS Energy, including Consumers | | Consumers utility revenue | | $ | 1,675 | | | $ | 233 | | | $ | — | | | | | $ | 1,908 | | | Other | | — | | | — | | | 67 | | | | | 67 | | | Revenue recognized from contracts with customers | | $ | 1,675 | | | $ | 233 | | | $ | 67 | | | | | $ | 1,975 | | | Leasing income | | — | | | — | | | 41 | | | | | 41 | | | Financing income | | 2 | | | 1 | | | — | | | | | 3 | | | Consumers alternative-revenue programs | | 2 | | | — | | | — | | | | | 2 | | | | | | | | | | | | | | Total operating revenue – CMS Energy | | $ | 1,679 | | | $ | 234 | | | $ | 108 | | | | | $ | 2,021 | | | Consumers | | Consumers utility revenue | | | | | | | | | | | | Residential | | $ | 842 | | | $ | 139 | | | | | | | $ | 981 | | | Commercial | | 577 | | | 45 | | | | | | | 622 | | | Industrial | | 204 | | | 6 | | | | | | | 210 | | | Other | | 52 | | | 43 | | | | | | | 95 | | | Revenue recognized from contracts with customers | | $ | 1,675 | | | $ | 233 | | | | | | | $ | 1,908 | | | | | | | | | | | | | | Financing income | | 2 | | | 1 | | | | | | | 3 | | | Alternative-revenue programs | | 2 | | | — | | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 1,679 | | | $ | 234 | | | | | | | $ | 1,913 | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. Certain of NorthStar Clean Energy’s power sales agreements were accounted for as operating leases. In addition to fixed payments, these agreements had variable payments based on energy delivered. NorthStar Clean Energy’s leasing income included variable lease payments of $28 million for the three months ended September 30, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | | | Nine Months Ended September 30, 2026 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | | | CMS Energy, including Consumers | | | | Consumers utility revenue | | $ | 4,467 | | | $ | 1,891 | | | $ | — | | | | | $ | 6,358 | | | | | Other | | — | | | — | | | 295 | | | | | 295 | | | | | Revenue recognized from contracts with customers | | $ | 4,467 | | | $ | 1,891 | | | $ | 295 | | | | | $ | 6,653 | | | | | Leasing income | | — | | | — | | | 64 | | | | | 64 | | | | | Financing income | | 8 | | | 5 | | | — | | | | | 13 | | | | | Consumers alternative-revenue programs | | 5 | | | — | | | — | | | | | 5 | | | | | | | | | | | | | | | | | | Other | | — | | | — | | | 7 | | | | | 7 | | | | | Total operating revenue – CMS Energy | | $ | 4,480 | | | $ | 1,896 | | | $ | 366 | | | | | $ | 6,742 | | | | | Consumers | | | | Consumers utility revenue | | | | | | | | | | | | | | Residential | | $ | 2,207 | | | $ | 1,339 | | | | | | | $ | 3,546 | | | | | Commercial | | 1,483 | | | 399 | | | | | | | 1,882 | | | | | Industrial | | 613 | | | 47 | | | | | | | 660 | | | | | Other | | 164 | | | 106 | | | | | | | 270 | | | | | Revenue recognized from contracts with customers | | $ | 4,467 | | | $ | 1,891 | | | | | | | $ | 6,358 | | | | | | | | | | | | | | | | | | Financing income | | 8 | | | 5 | | | | | | | 13 | | | | | Alternative-revenue programs | | 5 | | | — | | | | | | | 5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 4,480 | | | $ | 1,896 | | | | | | | $ | 6,376 | | | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. Certain of NorthStar Clean Energy’s power sales agreements were accounted for as operating leases. In addition to fixed payments, these agreements had variable payments based on energy delivered. NorthStar Clean Energy’s leasing income included variable lease payments of $46 million for the nine months ended September 30, 2026 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Millions | | Nine Months Ended September 30, 2025 | Electric Utility | Gas Utility | NorthStar Clean Energy1 | | Consolidated | | CMS Energy, including Consumers | | Consumers utility revenue | | $ | 4,324 | | | $ | 1,665 | | | $ | — | | | | | $ | 5,989 | | | Other | | — | | | — | | | 182 | | | | | 182 | | | Revenue recognized from contracts with customers | | $ | 4,324 | | | $ | 1,665 | | | $ | 182 | | | | | $ | 6,171 | | | Leasing income | | — | | | — | | | 117 | | | | | 117 | | | Financing income | | 7 | | | 5 | | | — | | | | | 12 | | | Consumers alternative-revenue programs | | 6 | | | — | | | — | | | | | 6 | | | | | | | | | | | | | | Total operating revenue – CMS Energy | | $ | 4,337 | | | $ | 1,670 | | | $ | 299 | | | | | $ | 6,306 | | | Consumers | | Consumers utility revenue | | | | | | | | | | | | Residential | | $ | 2,055 | | | $ | 1,146 | | | | | | | $ | 3,201 | | | Commercial | | 1,468 | | | 374 | | | | | | | 1,842 | | | Industrial | | 576 | | | 46 | | | | | | | 622 | | | Other | | 225 | | | 99 | | | | | | | 324 | | | Revenue recognized from contracts with customers | | $ | 4,324 | | | $ | 1,665 | | | | | | | $ | 5,989 | | | | | | | | | | | | | | Financing income | | 7 | | | 5 | | | | | | | 12 | | | Alternative-revenue programs | | 6 | | | — | | | | | | | 6 | | | | | | | | | | | | | | | | | | | | | | | | | Total operating revenue – Consumers | | $ | 4,337 | | | $ | 1,670 | | | | | | | $ | 6,007 | |
1Amounts represent NorthStar Clean Energy’s operating revenue from independent power production and its sales of energy commodities. Certain of NorthStar Clean Energy’s power sales agreements were accounted for as operating leases. In addition to fixed payments, these agreements had variable payments based on energy delivered. NorthStar Clean Energy’s leasing income included variable lease payments of $82 million for the nine months ended September 30, 2025.
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