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Financings and Capitalization (Tables) | 9 Months Ended
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Sep. 30, 2024
Debt Instrument [Line Items] |
Schedule of Major Long-Term Debt Issuances and Retirements | Presented in the following table is a summary of major long-term debt issuances during the nine months ended September 30, 2024:
| Principal (In Millions) | Interest Rate (%) | Issuance Date | Maturity Date
Consumers |  |  |  |  |
First mortgage bonds |  | $ | 600 |  | 4.600 |  | January 2024 | May 2029
First mortgage bonds |  | 700 |  | 4.700 |  | August 2024 | January 2030
Total Consumers |  | $ | 1,300 |  |  |  |
Total CMS Energy |  | $ | 1,300 |  |  |  |
Presented in the following table is a summary of major long-term debt retirements during the nine months ended September 30, 2024:
| Principal (In Millions) | Interest Rate (%) | Retirement Date | Maturity Date
CMS Energy, parent only |  |  |  |  |
Senior notes |  | $ | 250 |  | 3.875 | January 2024 | March 2024
Total CMS Energy, parent only |  | $ | 250 |  |  |  |
Consumers |  |  |  |  |
First mortgage bonds 1 |  | $ | 250 |  | 3.125 |  | September 2024 | August 2024
Total Consumers |  | $ | 250 |  |  |  |
Total CMS Energy |  | $ | 500 |  |  |  |
1 First mortgage bonds were repaid the first business day following the maturity date, which did not fall on a business day.
Schedule of Revolving Credit Facilities | The following credit facilities with banks were available at September 30, 2024:
In Millions
Expiration Date | Amount of Facility | Amount Borrowed | Letters of Credit Outstanding | Amount Available
CMS Energy, parent only |  |  |  |  |  |  |  |
December 14, 2027 1 |  | $ | 550 |  |  | $ | — |  |  | $ | 30 |  |  | $ | 520 |
September 30, 2025 |  | 50 |  |  | — |  |  | 50 |  |  | — |
NorthStar Clean Energy, including subsidiaries |  |  |  |  |  |  |  |
May 7, 2027 2 |  | $ | 150 |  |  | $ | 150 |  |  | $ | — |  |  | $ | — |
September 25, 2025 3 |  | 37 |  |  | — |  |  | 37 |  |  | — |
Consumers 4 |  |  |  |  |  |  |  |
December 14, 2027 |  | $ | 1,100 |  |  | $ | — |  |  | $ | 27 |  |  | $ | 1,073 |
November 18, 2025 |  | 250 |  |  | — |  |  | 57 |  |  | 193 |
1 There were no borrowings under this facility during the nine months ended September 30, 2024. 2 Obligations under this facility are secured by certain pledged equity interests in subsidiaries of NorthStar Clean Energy; under the terms of this facility, the interests may not be sold by NorthStar Clean Energy unless there is an agreed-upon substitution for the pledged equity interests. At September 30, 2024, the net book value of the pledged equity interests was $396 million. Also under the terms of this facility, NorthStar Clean Energy may be restricted from remitting cash dividends to CMS Energy in the event of default. Loans under this facility have an interest rate of one-month Term SOFR plus 1.750 percent less an adjustment of 0.050 percent for green credit advances. At September 30, 2024, the interest rate for the loan issued under this facility was 6.795 percent. 3 This letter of credit facility is available to Aviator Wind Equity Holdings. For more information regarding Aviator Wind Equity Holdings, see Note 11, Variable Interest Entities. 4 Obligations under these facilities are secured by first mortgage bonds of Consumers. There were no borrowings under these facilities during the nine months ended September 30, 2024.
Consumers Energy Company |
Debt Instrument [Line Items] |
Schedule of Major Long-Term Debt Issuances and Retirements | Presented in the following table is a summary of major long-term debt issuances during the nine months ended September 30, 2024:
| Principal (In Millions) | Interest Rate (%) | Issuance Date | Maturity Date
Consumers |  |  |  |  |
First mortgage bonds |  | $ | 600 |  | 4.600 |  | January 2024 | May 2029
First mortgage bonds |  | 700 |  | 4.700 |  | August 2024 | January 2030
Total Consumers |  | $ | 1,300 |  |  |  |
Total CMS Energy |  | $ | 1,300 |  |  |  |
Schedule of Revolving Credit Facilities | The following credit facilities with banks were available at September 30, 2024:
In Millions
Expiration Date | Amount of Facility | Amount Borrowed | Letters of Credit Outstanding | Amount Available
CMS Energy, parent only |  |  |  |  |  |  |  |
December 14, 2027 1 |  | $ | 550 |  |  | $ | — |  |  | $ | 30 |  |  | $ | 520 |
September 30, 2025 |  | 50 |  |  | — |  |  | 50 |  |  | — |
NorthStar Clean Energy, including subsidiaries |  |  |  |  |  |  |  |
May 7, 2027 2 |  | $ | 150 |  |  | $ | 150 |  |  | $ | — |  |  | $ | — |
September 25, 2025 3 |  | 37 |  |  | — |  |  | 37 |  |  | — |
Consumers 4 |  |  |  |  |  |  |  |
December 14, 2027 |  | $ | 1,100 |  |  | $ | — |  |  | $ | 27 |  |  | $ | 1,073 |
November 18, 2025 |  | 250 |  |  | — |  |  | 57 |  |  | 193 |
1 There were no borrowings under this facility during the nine months ended September 30, 2024. 2 Obligations under this facility are secured by certain pledged equity interests in subsidiaries of NorthStar Clean Energy; under the terms of this facility, the interests may not be sold by NorthStar Clean Energy unless there is an agreed-upon substitution for the pledged equity interests. At September 30, 2024, the net book value of the pledged equity interests was $396 million. Also under the terms of this facility, NorthStar Clean Energy may be restricted from remitting cash dividends to CMS Energy in the event of default. Loans under this facility have an interest rate of one-month Term SOFR plus 1.750 percent less an adjustment of 0.050 percent for green credit advances. At September 30, 2024, the interest rate for the loan issued under this facility was 6.795 percent. 3 This letter of credit facility is available to Aviator Wind Equity Holdings. For more information regarding Aviator Wind Equity Holdings, see Note 11, Variable Interest Entities. 4 Obligations under these facilities are secured by first mortgage bonds of Consumers. There were no borrowings under these facilities during the nine months ended September 30, 2024.

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