Company: DTK
Filing Date: 2025-09-09
Form Type: 424B5
Source: 0001193125-25-198859
Chunk: 2

Company: DTE ENERGY CO
Filing Date: 2025-09-09
Form: 424B5
Chunk 2
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 Purchase Contracts and Stock Purchase 
 Units                                                      |     |      | 29 |
| Book-Entry Securities                                      |     |      | 30 |
| Plan of Distribution                                       |     |      | 32 |
| Legal Matters                                              |     |      | 33 |
| Experts                                                    |     |      | 33 |
| Where You Can Find More Information                        |     |      | 33 |

S-1

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 available to 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 information about us. The information on such website is not incorporated by reference into this prospectus supplement and you should not consider it part of this prospectus supplement. Incorporation by Reference The SEC allows us to “incorporate by reference” the information we file with them, which means that we can disclose important information to you by referring you to those documents. The information incorporated by reference is an important part of this prospectus supplement. The following information is incorporated by reference into this prospectus supplement:

Additionally, any reports filed by us pursuant to Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended, or the “Exchange Act,” on or after the date of this prospectus supplement and before the completion of this offering will be deemed to be incorporated by reference 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