中点能源美股招股说明书(2026-07-31版)

CenterPoint Energy, Inc.6.400% Fixed-to-Fixed Reset Rate Junior Subordinated Notes, SeriesE, due 2058 This is an offering of $700,000,000 aggregate principal amount of 6.400% Fixed-to-Fixed Reset Rate Junior Subordinated Notes,SeriesE, due 2058 (the “notes”) to be issued by CenterPoint Energy, Inc., a Texas corporation. The notes will bear interest (i)from andincluding the date of original issuance to, but excluding, August15, 2033 at an annual rate of 6.400% and (ii)from and including August15,2033 during each Interest Reset Period (as defined in this prospectus supplement) at an annual rate equal to the Five-Year Treasury Rate (asdefined in this prospectus supplement) as of the most recent Reset Interest Determination Date (as defined in this prospectus supplement), plusa spread of 1.885%; provided that the interest rate during any Interest Reset Period will not reset below 6.400% per annum (which is the sameinterest rate as in effect from and including the original issue date to, but excluding, the First Reset Date (as defined herein) (the “Initial FixedPeriod”)). Interest on the notes will be payable semi-annually in arrears on February15 and August15 of each year beginning on February15,2027. The notes will be issued in registered form and in denominations of $2,000 and integral multiples of $1,000 in excess thereof. The noteswill mature on August15, 2058. So long as no event of default (as defined in this prospectus supplement) with respect to the notes has occurred and is continuing, wemay, at our option, defer interest payments on the notes on one or more occasions, from time to time, for up to 20 consecutive semi-annualinterest payment periods (as defined in this prospectus supplement). During any deferral period, interest on the notes will continue to accrue atthe then-applicable interest rate on the notes and, in addition, interest on deferred interest will accrue at the then-applicable interest rate on thenotes, compounded semi-annually, to the extent permitted by applicable law, as described in this prospectus supplement. We may redeem the notes before their maturity date at our option at the times and at the redemption prices described in this prospectussupplement. The notes will be our unsecured obligations and will rank junior and subordinate in right of payment to the prior payment in full of ourexisting and future Senior Indebtedness (as defined in this prospectus supplement). See “Description of Notes — Ranking” and “Descriptionof Notes — Subordination.” Investing in the notes involves risks. See “Risk Factors” on pageS-9of this prospectus supplement and page4of the accompanyingprospectus. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities ordetermined if this prospectus supplement or the accompanying prospectus is truthful or complete. Any representation to the contrary is a criminaloffense. This prospectus supplement and the accompanying prospectus are not intended to constitute an offer to, and the notes should not bepurchased, held or otherwise acquired by, a “specified foreign entity” as defined in Section7701(a)(51)(B) of the Internal Revenue Code of 1986, asamended. By purchasing the notes, any investor in the notes (including all affiliated entities that participate in such purchase) will be deemed torepresent and warrant to us that it is not, and will not be, for its taxable year that includes the date of the original issuance of the notes, a specifiedforeign entity. (1)Plus accrued interest, if any, from August 3, 2026, if settlement occurs after that date. The underwriters expect to deliver the notes to purchasers through the book-entry facilities of The Depository Trust Company and for theaccounts of its participants, including Clearstream Banking S.A. and Euroclear Bank SA/NV, as operator of the Euroclear System, againstpayment in New York, New York on or about August 3, 2026. Mizuho AcademySecurities This document consists of two parts, which should be read together. The first part is this prospectussupplement, which describes the specific terms of the notes, the specific terms of this offering andsupplements and updates information contained in the accompanying prospectus and the documentsincorporated by reference into this prospectus supplement and the accompanying prospectus. The secondpart, the accompanying prospectus, provides more general information about the notes and other securitiesthat may be offered from time to time using such prospectus, some of which general information does notapply to this offering. Generally, when we refer to the prospectus, we are referring to both parts of thisdocument combined. You should read this prospectus supplement and the accompanying prospectus togetherwith any written communication prepared by us or on our behalf in connection with this offering togetherwith the additional information described in the accompanying prospectus under the head