<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
Exhibit 27
UNION ELECTRIC COMPANY
10-Q SEPTEMBER 30, 2000
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> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 5,353,750
<OTHER-PROPERTY-AND-INVEST> 194,294
<TOTAL-CURRENT-ASSETS> 840,625
<TOTAL-DEFERRED-CHARGES> 61,837
<OTHER-ASSETS> 749,894
<TOTAL-ASSETS> 7,200,400
<COMMON> 510,619
<CAPITAL-SURPLUS-PAID-IN> 701,896
<RETAINED-EARNINGS> 1,337,505
<TOTAL-COMMON-STOCKHOLDERS-EQ> 2,550,020
0
155,197
<LONG-TERM-DEBT-NET> 1,626,770
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 0
0
<CAPITAL-LEASE-OBLIGATIONS> 103,075
<LEASES-CURRENT> 12,653
<OTHER-ITEMS-CAPITAL-AND-LIAB> 2,752,685
<TOT-CAPITALIZATION-AND-LIAB> 7,200,400
<GROSS-OPERATING-REVENUE> 2,117,346
<INCOME-TAX-EXPENSE> 220,473
<OTHER-OPERATING-EXPENSES> 1,488,960
<TOTAL-OPERATING-EXPENSES> 1,709,433
<OPERATING-INCOME-LOSS> 407,913
<OTHER-INCOME-NET> 14,095
<INCOME-BEFORE-INTEREST-EXPEN> 422,008
<TOTAL-INTEREST-EXPENSE> 91,833
<NET-INCOME> 330,175
6,613
<EARNINGS-AVAILABLE-FOR-COMM> 323,562
<COMMON-STOCK-DIVIDENDS> 207,224
<TOTAL-INTEREST-ON-BONDS> 0 <F1>
<CASH-FLOW-OPERATIONS> 652,429
<EPS-BASIC> 0.00 <F2>
<EPS-DILUTED> 0.00 <F2>
<FN>
<F1> Required in fiscal year-end only.
<F2> Information not normally not disclosed in financial statements and notes.
</FN>
</TABLE>