Exhibit 32.11


                           SECTION 1350 CERTIFICATION
                        OF PRINCIPAL EXECUTIVE OFFICER OF
                         CENTRAL ILLINOIS LIGHT COMPANY
                         (required by Section 906 of the
                           Sarbanes-Oxley Act of 2002)


In connection  with the report on Form 10-Q for the quarterly  period ended June
30, 2004 of Central  Illinois  Light  Company (the  "Company") as filed with the
Securities and Exchange Commission on the date hereof (the "Form 10-Q"), I, Gary
L. Rainwater,  chief executive officer of the Company,  certify,  pursuant to 18
U.S.C. ss.1350, as adopted pursuant to ss.906 of the Sarbanes-Oxley Act of 2002,
that:

(1)  The Form 10-Q fully  complies  with the  requirements  of Section  13(a) or
     15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2)  The information contained in the Form 10-Q fairly presents, in all material
     respects, the financial condition and results of operations of the Company.


Dated: August 9, 2004



                                          /s/ Gary L. Rainwater
                                          ----------------------------------
                                          Gary L. Rainwater
                                          Chairman, President and
                                          Chief Executive Officer
                                          (Principal Executive Officer)