UNITED STATES 

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 4, 2025

CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (713) 207-1111

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2).

Emerging Growth Company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

On August 4, 2025, CenterPoint Energy Houston Electric, LLC (the “Company”) entered into an Underwriting Agreement (the “Underwriting Agreement”) with BNP Paribas Securities Corp., BNY Mellon Capital Markets, LLC and PNC Capital Markets LLC, as representatives of the several Underwriters named in Schedule I to the Underwriting Agreement (the “Underwriters”), relating to the underwritten public offering of $600,000,000 aggregate principal amount of the Company’s 4.95% General Mortgage Bonds, Series AQ, due 2035 (the “Bonds”). The offering is being made pursuant to the Company’s registration statement on Form S-3 (Registration Statement No. 333-272025-02).

The Bonds are being issued pursuant to a General Mortgage Indenture, dated as of October 10, 2002, as supplemented and amended (the “General Mortgage Indenture”), between the Company and The Bank of New York Mellon Trust Company, National Association (successor in trust to JPMorgan Chase Bank), as trustee (the “Trustee”), as supplemented by the Thirty-Eighth Supplemental Indenture thereto, dated as of August 7, 2025, between the Company and the Trustee (the “Thirty-Eighth Supplemental Indenture”). The form, terms and provisions of the Bonds are further described in the officer’s certificate of the Company to be dated August 7, 2025 (the “Officer’s Certificate”) and the prospectus supplement of the Company dated August 4, 2025, together with the related prospectus dated May 17, 2023, as filed with the Securities and Exchange Commission under Rule 424(b) of the Securities Act of 1933, as amended, on August 5, 2025, which description is incorporated herein by reference.

The Underwriters and their affiliates are full service financial institutions engaged in various activities, which may include securities trading, commercial and investment banking, financial advisory, investment management, investment research, principal investment, hedging, financing and brokerage activities. In the ordinary course of their respective businesses, certain of the Underwriters and/or their affiliates have engaged, and may in the future engage, in commercial banking, investment banking, trust or investment management transactions with the Company and its affiliates for which they have received, and will in the future receive, customary compensation. BNY Mellon Capital Markets, LLC, one of the Underwriters, is an affiliate of the Trustee.

A copy of the Underwriting Agreement, the General Mortgage Indenture, the Thirty-Eighth Supplemental Indenture and the form of Officer’s Certificate (including the form of the Bonds) have been filed as Exhibits 1.1, 4.1, 4.4 and 4.5, respectively, to this Current Report on Form 8-K and are incorporated by reference herein.

The exhibits listed below are filed herewith.

Agreements and forms of agreements included as exhibits are included only to provide information to investors regarding their terms. Agreements and forms of agreements listed below may contain representations, warranties and other provisions that were made, among other things, to provide the parties thereto with specified rights and obligations and to allocate risk among them, and no such agreement or form of agreement should be relied upon as constituting or providing any factual disclosures about the Company, any other persons, any state of affairs or other matters.

(d)            Exhibits.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.