<TABLE> <S> <C>


<ARTICLE>      UT
<LEGEND>

                                                                    Exhibit 27
                             UNION ELECTRIC 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>                                        5,341,240
<OTHER-PROPERTY-AND-INVEST>                                        177,402
<TOTAL-CURRENT-ASSETS>                                             668,688
<TOTAL-DEFERRED-CHARGES>                                            40,588
<OTHER-ASSETS>                                                     762,959
<TOTAL-ASSETS>                                                   6,990,877
<COMMON>                                                           510,619
<CAPITAL-SURPLUS-PAID-IN>                                          701,896
<RETAINED-EARNINGS>                                              1,198,452
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                   2,410,967
<PREFERRED-MANDATORY>                                                    0
<PREFERRED>                                                        155,197
<LONG-TERM-DEBT-NET>                                             1,698,816
<SHORT-TERM-NOTES>                                                       0
<LONG-TERM-NOTES-PAYABLE>                                                0
<COMMERCIAL-PAPER-OBLIGATIONS>                                           0
<LONG-TERM-DEBT-CURRENT-PORT>                                      100,000
<PREFERRED-STOCK-CURRENT>                                                0
<CAPITAL-LEASE-OBLIGATIONS>                                         78,523
<LEASES-CURRENT>                                                    19,379
<OTHER-ITEMS-CAPITAL-AND-LIAB>                                   2,527,995
<TOT-CAPITALIZATION-AND-LIAB>                                    6,990,877
<GROSS-OPERATING-REVENUE>                                        1,127,438
<INCOME-TAX-EXPENSE>                                                80,902
<OTHER-OPERATING-EXPENSES>                                         881,357
<TOTAL-OPERATING-EXPENSES>                                         962,259
<OPERATING-INCOME-LOSS>                                            165,179
<OTHER-INCOME-NET>                                                   7,603
<INCOME-BEFORE-INTEREST-EXPEN>                                     172,782
<TOTAL-INTEREST-EXPENSE>                                            58,370
<NET-INCOME>                                                       114,412
<PREFERRED-STOCK-DIVIDENDS>                                          4,409
<EARNINGS-AVAILABLE-FOR-COMM>                                      110,003
<COMMON-STOCK-DIVIDENDS>                                           123,161
<TOTAL-INTEREST-ON-BONDS>                                                0  <F1>
<CASH-FLOW-OPERATIONS>                                             265,864
<EPS-BASIC>                                                         0.00  <F2>
<EPS-DILUTED>                                                         0.00  <F2>

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




</TABLE>