EXHIBIT 32.2

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                       AS ADOPTED PURSUANT TO SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002

     In connection with the amended Quarterly Report of CenterPoint Energy, Inc.
(the "Company") on Form 10-Q/A for the period ended June 30, 2005 (the
"Report"), as filed with the Securities and Exchange Commission on the date
hereof, I, Gary L. Whitlock, Chief Financial Officer, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that, to the best of my knowledge:

     (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as amended; and

     (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.


Date: January 10, 2006                  /s/ Gary L. Whitlock
                                        ----------------------------------------
                                        Gary L. Whitlock
                                        Executive Vice President and
                                        Chief Financial Officer