<TABLE> <S> <C>

<ARTICLE> UT
<LEGEND>

                                                                  Exhibit 27
                             UNION ELECTRIC COMPANY
                               10-Q JUNE 30, 1998
                           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-31-1998
<PERIOD-END>                                         JUN-30-1998
<BOOK-VALUE>                                            PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                              5,357,500
<OTHER-PROPERTY-AND-INVEST>                              148,699
<TOTAL-CURRENT-ASSETS>                                   564,127
<TOTAL-DEFERRED-CHARGES>                                  40,667
<OTHER-ASSETS>                                           780,636
<TOTAL-ASSETS>                                         6,891,629
<COMMON>                                                 510,619
<CAPITAL-SURPLUS-PAID-IN>                                701,896
<RETAINED-EARNINGS>                                    1,128,939
<TOTAL-COMMON-STOCKHOLDERS-EQ>                         2,341,454
<PREFERRED-MANDATORY>                                          0
<PREFERRED>                                              155,197
<LONG-TERM-DEBT-NET>                                   1,905,900
<SHORT-TERM-NOTES>                                             0
<LONG-TERM-NOTES-PAYABLE>                                      0
<COMMERCIAL-PAPER-OBLIGATIONS>                                 0
<LONG-TERM-DEBT-CURRENT-PORT>                                  0
<PREFERRED-STOCK-CURRENT>                                      0
<CAPITAL-LEASE-OBLIGATIONS>                               61,907
<LEASES-CURRENT>                                          12,740
<OTHER-ITEMS-CAPITAL-AND-LIAB>                         2,414,431
<TOT-CAPITALIZATION-AND-LIAB>                          6,891,629
<GROSS-OPERATING-REVENUE>                              1,067,261
<INCOME-TAX-EXPENSE>                                      70,263
<OTHER-OPERATING-EXPENSES>                               842,051
<TOTAL-OPERATING-EXPENSES>                               912,314
<OPERATING-INCOME-LOSS>                                  154,947
<OTHER-INCOME-NET>                                         3,108
<INCOME-BEFORE-INTEREST-EXPEN>                           158,055
<TOTAL-INTEREST-EXPENSE>                                  61,502
<NET-INCOME>                                              96,553
<PREFERRED-STOCK-DIVIDENDS>                                4,409
<EARNINGS-AVAILABLE-FOR-COMM>                             92,144
<COMMON-STOCK-DIVIDENDS>                                 123,161
<TOTAL-INTEREST-ON-BONDS>                                      0<F1>
<CASH-FLOW-OPERATIONS>                                   157,936
<EPS-PRIMARY>                                                  0<F2>
<EPS-DILUTED>                                                  0<F2>
        

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


</TABLE>