Company: DTG
Filing Date: 2025-12-19
Form Type: 424B5
Source: 0001193125-25-326903
Chunk: 5

Company: DTE ENERGY CO
Filing Date: 2025-12-19
Form: 424B5
Chunk 5
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 reference (other than information in such documents that is deemed not to be filed) into this prospectus supplement and the accompanying prospectus and will automatically update, where applicable, and supersede any information contained in this prospectus supplement or the accompanying prospectus or incorporated by reference into this prospectus supplement and the accompanying prospectus. Each of these documents is available from the SEC’s website described above. We will provide without charge to each person, including any beneficial owner, to whom a copy of this prospectus is delivered, on the written or oral request of that person, a copy of any or all of the documents incorporated in this prospectus or in any related prospectus supplement by reference, excluding the exhibits to those documents unless the exhibits are specifically incorporated by reference therein. You may make such a request by writing or telephoning DTE Energy Investor Relations at: DTE Energy Company Attention: Investor Relations, 1150 WCB One Energy Plaza Detroit, Michigan 48226-1221 (313) 235-8030 S-3

PROSPECTUS SUPPLEMENT SUMMARY

This summary highlights important information about DTE Energy Company and this offering. It does not contain all the information that is important to you in connection with your decision to invest in shares of our common stock. We encourage you to read this prospectus supplement and the accompanying prospectus in their entirety as well as the information we incorporate by reference before making 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