Company: DTK
Filing Date: 2025-09-10
Form Type: 424B2
Source: 0001193125-25-199964
Chunk: 4

Company: DTE ENERGY CO
Filing Date: 2025-09-10
Form: 424B2
Chunk 4
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 an investment decision.

DTE Energy Company

In 1995, DTE Energy incorporated in the State of Michigan. DTE Energy is engaged in utility operations through its wholly owned subsidiaries,
DTE Electric Company (“DTE Electric”) and DTE Gas Company (“DTE Gas”). DTE Energy also has non-utility operations that are engaged in a variety of energy-related businesses.

DTE Electric is a Michigan corporation organized in 1903 and is an indirect wholly-owned subsidiary of DTE Energy. DTE Electric is a public
utility engaged in the generation, purchase, distribution, and sale of electricity to approximately 2.3 million customers in southeastern Michigan.

DTE Gas is a Michigan corporation organized in 1898 and is an indirect wholly-owned subsidiary of DTE Energy. DTE Gas is a public utility
engaged in the purchase, storage, transportation, distribution and sale of natural gas to approximately 1.3 million customers throughout Michigan and the sale of storage and transportation capacity.

DTE Energy’s other businesses include 1) DTE Vantage, which is primarily involved in renewable natural gas projects and providing custom
energy solutions to industrial, commercial, and institutional customers, and 2) energy marketing and trading operations.

The mailing
address of DTE Energy’s principal executive offices is One Energy Plaza, Detroit, Michigan, 48226-1221, and its telephone number is (313) 235-4000.

S-4

The Offering For a more complete description of the terms of the notes, see “Description of Notes.”

| The Issuer | DTE Energy Company. |

| Offered Securities | $250,000,000 aggregate principal amount of 2023 Series C 4.875% Senior Notes due 2028 (the “2023 Series C notes”). 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 the initial 2023 Series C notes. The 2023 Series C notes will have the           
 same terms, other than their date of issue, initial price to the public and initial interest accrual date, as the initial 2023 Series C notes. The 2023 Series C notes offered by this prospectus supplement will have the same CUSIP number and will 
 trade