Company: DTG
Filing Date: 2025-12-19
Form Type: 424B5
Source: 0001193125-25-326903
Chunk: 3

Company: DTE ENERGY CO
Filing Date: 2025-12-19
Form: 424B5
Chunk 3
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, the accompanying prospectus dated April 4, 2025, gives more general information, some of which may not apply to this offering. Generally, when we refer only to the “prospectus,” we are referring to both parts combined.
This prospectus supplement may add to, update or change information in the accompanying prospectus and the documents incorporated by reference herein.

If information in this prospectus supplement is inconsistent with the accompanying prospectus, you should rely on this prospectus supplement.
This prospectus supplement, the accompanying prospectus and the documents incorporated by reference herein include important information about us, our common stock being offered and other information you should know before investing in shares of our
common stock.

We have not, and the Managers, the Forward Sellers and the Forward Purchasers (and their affiliates) have not, authorized
anyone to provide you with information that is in addition to or different from that contained or incorporated by reference herein. If anyone provides you with different or inconsistent information, you should not rely on it. We are not, and the
Managers, the Forward Sellers and the Forward Purchasers (and their affiliates) are not, offering to sell these securities in any jurisdiction where the offer or sale is not permitted. You should not assume that the information contained or
incorporated by reference in this prospectus supplement or the accompanying prospectus is accurate as of any date other than as of the date of this prospectus supplement or the accompanying prospectus, as the case may be, or in the case of the
documents incorporated by reference, the date of such documents regardless of the time of delivery of this prospectus supplement and the accompanying prospectus or any sale of shares of our common stock. Our business, financial condition, liquidity,
results of operations and prospects may have changed since those dates.

When we refer to “DTE Energy,” the
“Company,” “we,” “us” or “our” in this prospectus supplement or the accompanying prospectus or when we otherwise refer to ourselves herein or therein, we mean DTE Energy Company and its subsidiaries,
unless expressly stated or the context clearly indicates otherwise.

S-1

CAUTIONARY STATEMENTS REGARDING FORWARD-LOOKING STATEMENTS

This prospectus supplement, the accompanying prospectus and the documents incorporated by reference in this prospectus supplement or
the accompanying prospectus contain “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”) and Section