<TABLE> <S> <C>


<ARTICLE>      UT
<LEGEND>

                                                                    Exhibit 27

                     CENTRAL ILLINOIS PUBLIC SERVICE COMPANY
                               10-Q JUNE 30, 1999
                           FINANCIAL DATA SCHEDULE UT
          PUBLIC UTILITY COMPANIES AND PUBLIC UTILITY HOLDING COMPANIES
                  APPENDIX E TO ITEM 601 (C) OF REGULATION S-K
                             (Thousands of Dollars)

</LEGEND>


<S>                                                          <C>

<PERIOD-TYPE>                                                        6-MOS
<FISCAL-YEAR-END>                                              DEC-31-1999
<PERIOD-END>                                                   JUN-30-1999
<BOOK-VALUE>                                                      PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                        1,485,538
<OTHER-PROPERTY-AND-INVEST>                                              0
<TOTAL-CURRENT-ASSETS>                                             228,209
<TOTAL-DEFERRED-CHARGES>                                            29,472
<OTHER-ASSETS>                                                      41,844
<TOTAL-ASSETS>                                                   1,785,063
<COMMON>                                                           120,033
<CAPITAL-SURPLUS-PAID-IN>                                                0
<RETAINED-EARNINGS>                                                454,552
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                     574,585
<PREFERRED-MANDATORY>                                                    0
<PREFERRED>                                                         80,000
<LONG-TERM-DEBT-NET>                                               498,547
<SHORT-TERM-NOTES>                                                       0
<LONG-TERM-NOTES-PAYABLE>                                                0
<COMMERCIAL-PAPER-OBLIGATIONS>                                           0
<LONG-TERM-DEBT-CURRENT-PORT>                                       35,000
<PREFERRED-STOCK-CURRENT>                                                0
<CAPITAL-LEASE-OBLIGATIONS>                                              0
<LEASES-CURRENT>                                                         0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                                     596,931
<TOT-CAPITALIZATION-AND-LIAB>                                    1,785,063
<GROSS-OPERATING-REVENUE>                                          429,701
<INCOME-TAX-EXPENSE>                                                17,176
<OTHER-OPERATING-EXPENSES>                                         357,835
<TOTAL-OPERATING-EXPENSES>                                         375,011
<OPERATING-INCOME-LOSS>                                             54,690
<OTHER-INCOME-NET>                                                   1,082
<INCOME-BEFORE-INTEREST-EXPEN>                                      55,772
<TOTAL-INTEREST-EXPENSE>                                            20,777
<NET-INCOME>                                                        34,995
<PREFERRED-STOCK-DIVIDENDS>                                          1,885
<EARNINGS-AVAILABLE-FOR-COMM>                                       33,110
<COMMON-STOCK-DIVIDENDS>                                            34,310
<TOTAL-INTEREST-ON-BONDS>                                                0  <F1>
<CASH-FLOW-OPERATIONS>                                              79,785
<EPS-BASIC>                                                         0.00  <F2>
<EPS-DILUTED>                                                         0.00  <F2>

<FN>
<F1> Required in fiscal year-end only.
<F2> Information not normally disclosed in financial statements and notes.
</FN>




</TABLE>