UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549



                                    FORM 8-K


                                 CURRENT REPORT




     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934



                Date of Report (Date of earliest event reported):
                                October 10, 2003





                     CENTRAL ILLINOIS PUBLIC SERVICE COMPANY
             (Exact name of registrant as specified in its charter)




         Illinois                       1-3672                  37-0211380
(State or other jurisdiction         (Commission             (I.R.S. Employer
     of incorporation)               File Number)            Identification No.)




               607 East Adams Street, Springfield, Illinois 62739
              (Address of principal executive offices and Zip Code)






       Registrant's telephone number, including area code: (217) 523-3600





ITEM 5. OTHER EVENTS AND REGULATION FD DISCLOSURE.

The following  changes in the directors and officers of Central  Illinois Public
Service Company were announced on October 10, 2003:

o    Paul A.  Agathen,  director  and Senior  Vice  President  will  retire from
     Central  Illinois Public Service Company and in conjunction  therewith will
     relinquish his directorship effective October 10, 2003.

o    Daniel F. Cole,  Senior Vice President,  was elected to fill the vacancy on
     the  board of  directors  created  by Mr.  Agathen's  retirement  effective
     October 10, 2003.

o    Charles W. Mueller, director, will retire on December 31, 2003.

o    Steven R. Sullivan,  Vice President Regulatory Policy,  General Counsel and
     Secretary,  was  elected  Senior  Vice  President   Governmental/Regulatory
     Policy,  General  Counsel and  Secretary  effective  October 10, 2003.  Mr.
     Sullivan was elected to fill the vacancy on the board of directors  created
     by Mr. Mueller's retirement effective January 1, 2004.

o    Warner L. Baxter,  Senior Vice President  (principal financial officer) and
     director,  was elected Executive Vice President and Chief Financial Officer
     effective October 10, 2003.



                                    SIGNATURE

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

                                           CENTRAL ILLINOIS PUBLIC
                                           SERVICE COMPANY
                                             (Registrant)


                                           By     /s/ Martin J. Lyons
                                             ---------------------------------
                                                      Martin J. Lyons
                                                         Controller
                                                (Principal Accounting Officer)


Date:  October 10, 2003

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