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Exhibit 99.1


CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350

        In connection with the accompanying Annual Report on Form 10-K/A, Amendment No. 3, of PG&E Corporation for the year ended December 31, 2002, I, Robert D. Glynn, Jr., Chairman, Chief Executive Officer and President of PG&E Corporation, hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that:


    /s/  ROBERT D. GLYNN, JR.      
ROBERT D. GLYNN, JR.
Chairman, Chief Executive Officer and President

June 30, 2003

        A signed original of this written statement required by Section 906 has been provided to PG&E Corporation and will be retained by PG&E Corporation and furnished to the Securities and Exchange Commission or its staff upon request.



CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350

        In connection with the accompanying Annual Report on Form 10-K/A, Amendment No. 3, of PG&E Corporation for the year ended December 31, 2002, I, Peter A. Darbee, Senior Vice President and Chief Financial Officer of PG&E Corporation, hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge and belief, that:


    /s/  PETER A. DARBEE      
PETER A. DARBEE
Senior Vice President and Chief Financial Officer

June 30, 2003

        A signed original of this written statement required by Section 906 has been provided to PG&E Corporation and will be retained by PG&E Corporation and furnished to the Securities and Exchange Commission or its staff upon request.




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CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350