Exhibit 99.1

The expenses to be incurred by Consumers Energy Company relating to the offering of $425,000,000 aggregate principal amount of its 4.65% First Mortgage Bonds due 2028, under Consumers Energy Company's Registration Statement on Form S-3 (Registration No. 333- 236742-01) and a related prospectus supplement filed with the Securities and Exchange Commission and dated January 3, 2023 are estimated to be as follows:

Estimated Fees

SEC Registration Fee $ 47,000
Services of Independent Registered Public Accounting Firms 55,000
Trustee Fees and Expenses 15,000
Legal Fees and Expenses 80,000
Rating Agency Fees 720,000
Printing and Delivery Expenses 15,000
Miscellaneous Expenses 20,000
Total $ 952,000

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Consumers Energy Co. published this content on 10 January 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 10 January 2023 15:12:06 UTC.