Exhibit 32(a)



                                 TXU GAS COMPANY
                       Certificate Pursuant to Section 906
                         of Sarbanes - Oxley Act of 2002
                              CERTIFICATION OF CEO


      The undersigned, Erle Nye, Chairman of the Board and Chief Executive of
TXU Gas Company (the "Company"), DOES HEREBY CERTIFY that:

  1. The Company's Quarterly Report on Form 10-Q for the quarter ended June 30,
     2003 (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. Information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operation of the
     Company.

     IN WITNESS WHEREOF, the undersigned has caused this instrument to be
executed this 13th day of August, 2003.





                                   /s/ Erle Nye
                           --------------------------------------------------
                           Name:    Erle Nye
                           Title:   Chairman of the Board and Chief Executive










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