UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 18-K/A

For Foreign Governments and Political Subdivisions Thereof

AMENDMENT NO.3

TO

ANNUAL REPORT

of

HYDRO-QUÉBEC

QUÉBEC, CANADA

(Name of Registrant)

Date of end of last fiscal year: December 31, 2025

SECURITIES REGISTERED*

(As of the close of the fiscal year)

Title of Issue Amounts as to Which
Registration is Effective
Names of Exchanges
on Which Registered
N/A N/A N/A

Name and address of persons authorized to receive notices

and communications from the Securities and Exchange Commission:

David Brulotte

Québec Government Office

One Rockefeller Plaza, Suite 2600

New York, NY 10020-2102

Copies to:

Catherine M. Clarkin
Sullivan & Cromwell LLP
125 Broad Street
New York, NY 10004-2498
Maxime Aucoin
Executive Vice President and Chief Financial Officer
Hydro-Québec
75 René-Lévesque Boulevard West
Montréal, Québec, Canada H2Z 1A4

* The Registrant is filing this annual report on a voluntary basis.


The undersigned registrant hereby amends its Annual Report on Form 18-K for the fiscal year ended December 31, 2025 ("Annual Report") as follows:

1. The following additional exhibits are hereby added to the Annual Report:

Exhibit 99.4: Quarterly Bulletin, Third Quarter 2026

The Annual Report on Form 18-K and amendments on Form 18-K/A are filed on a voluntary basis.

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Amendment No. 3 to be signed on its behalf by its authorized officer.

  HYDRO-QUÉBEC
     
  By: /s/ Maxime Aucoin
    Maxime Aucoin
    Authorized Officer
  Name: Maxime Aucoin
  Title: Executive Vice President and Chief Financial Officer

Date:  November 13, 2026



ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EXHIBIT 99.4