DTE能源美股招股说明书(2025-09-10版)

$250,000,000 2023 SeriesC 4.875% Senior Notes due 2028 $550,000,000 2025 SeriesI 5.05%SeniorNotesdue 2035 We are offering $250,000,000 of our 2023 Series C 4.875% Senior Notes due 2028 (“2023 Series C notes”) and $550,000,000 of our 2025 Series I5.05% Senior Notes due 2035 (“2025 Series I notes” and together with the 2023 Series C notes, the “notes”). We will pay interest on the 2023 Series Cnotes on June1 and December1 of each year, beginning December1, 2025 at the rate of 4.875% per year. We will pay interest on the 2025 Series Inotes on April1 and October1 of each year, beginning April1, 2026 at the rate of 5.05% per year. The 2023 Series C notes will be issued as additional notes under the indenture pursuant to which we previously issued $800,000,000 aggregateprincipal amount of 2023 Series C 4.875% Senior Notes due 2028 (the “initial 2023 Series C notes”), and will form a single series with and have thesame CUSIP number as the initial 2023 Series C notes. Upon the issuance of the 2023 Series C notes offered hereby, the aggregate principal amount ofoutstanding 2023 Series C 4.875% Senior Notes due 2028 will be $1,050,000,000. The 2023 Series C notes will mature on June1, 2028, and the 2025 Series I notes will mature on October1, 2035. We may redeem the notes at ouroption, in whole or in part, at any time at the redemption prices set forth in this prospectus supplement. There is no sinking fund for the notes. The noteswill be unsecured and unsubordinated obligations and will rank equally with our other unsecured and unsubordinated indebtedness from time to timeoutstanding. We do not intend to apply for a listing of either series of notes on any securities exchange or automated quotation system. (1)Plus accrued interest from June1, 2025 (the most recent interest payment date for the initial 2023 Series C Notes) to, but excluding, the deliverydate of the 2023 Series C notes, which is expected to be September12, 2025.(2)Plus accrued interest from September12, 2025, if settlement occurs after that date. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities ordetermined if this prospectus supplement or the prospectus to which it relates is truthful or complete. Any representation to the contrary is acriminal offense. Delivery of the notes, in book-entry form only, will be made on or about September12, 2025. Table of Contents This prospectus supplement and the accompanying prospectus and any free writing prospectus that we file with the Securities and ExchangeCommission (“SEC”) contain and incorporate by reference information you should consider when making your investment decision. We have not, andthe underwriters have not, authorized any person to provide you with different information. If anyone provides you with different or inconsistentinformation, you should not rely on it. We are not, and the underwriters are not, making an offer to sell these notes in any jurisdiction where the offer orsale is not permitted. You should assume that the information appearing in this prospectus supplement or the accompanying prospectus or any documentincorporated by reference is accurate only as of its date. DTE Energy’s business, financial condition, results of operations and prospects may havechanged since such date. To the extent that the information in the prospectus supplement differs from the information in the prospectus, you should relyon the information in the prospectus supplement. References in this prospectus supplement to “DTE Energy,” “we,” “us,” or “our” refer to DTE Energy Company and its consolidated subsidiaries. TABLE OF CONTENTS Prospectus Supplement Where You Can Find More InformationCautionary Statements Regarding Forward-Looking StatementsProspectus Supplement SummaryRisk FactorsUse of ProceedsDescription of NotesMaterial U.S. Federal Income Tax ConsiderationsUnderwriting (Conflict of Interest)Legal MattersExperts Prospectus About This ProspectusRisk FactorsCautionary Statements Regarding Forward-Looking StatementsDTE Energy CompanyUse of ProceedsThe Securities That We May OfferDescription of Capital StockDescription of Debt Securities Description of Stock Purchase Contracts and Stock Purchase Units Book-Entry Securities Plan of Distribution Table of Contents WHERE YOU CAN FIND MORE INFORMATION Available Information We file annual, quarterly and special reports, and other information with the Securities and Exchange Commission. Our SEC filings are availableto the public over the Internet at the SEC’s website at http://www.sec.gov. We maintain a website at http://www.dteenergy.com, that contains informationabout us. The information on such website is not incorporated by reference into this prospectus supplement and you should not consider it part of thisprospectus supplement. Incorporation by Reference The SEC allows us to “incorporate by reference” the information we file with them, which means that