Company: DTK
Filing Date: 2025-09-09
Form Type: 424B5
Source: 0001193125-25-198859
Chunk: 0

Company: DTE ENERGY CO
Filing Date: 2025-09-09
Form: 424B5
Chunk 0
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Filed Pursuant to Rule 424(b)(5)
Registration No. 333-286383 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.

Subject to Completion, Dated September 9, 2025 Preliminary Prospectus Supplement (To Prospectus Dated April 4, 2025) $ DTE Energy Company $ 2023 Series C 4.875% Senior Notes due 2028 $ 2025 Series I % Senior Notes due We are offering $ of our 2023 Series C 4.875% Senior Notes due 2028 (“2023 Series C notes”) and $ of our 2025 Series I % Senior Notes due (“2025 Series I notes” and together with the 2023 Series C notes, the “notes”). We will pay interest on the 2023 Series C notes on June 1 and December 1 of each year, beginning December 1, 2025 at the rate of 4.875% per year. We will pay interest on the 2025 Series I notes on and of each year , beginning , 2026 at the rate of % 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 aggregate principal 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 the same CUSIP number as the initial 2023 Series C notes. Upon the issuance of the 2023 Series C notes offered hereby, the aggregate principal amount of outstanding 2023 Series C 4.875% Senior Notes due 2028 will be $ . The 2023 Series C notes will mature on June 1, 2028, and the 2025 Series I notes will mature on . We may redeem the notes at our option, 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 notes will be unsecured and unsubordinated obligations and will rank equally with our other unsecured and unsubordinated indebtedness from time to time outstanding. We do not intend to apply for a listing of either series of