<TABLE> <S> <C>

<ARTICLE>                     UT

<LEGEND>
This schedule  contains summary financial  information  extracted from the March
31, 2000 Financial  Statements included in IES Utilities Inc.'s Form 10-Q and is
qualified in its entirety by reference to such Financial Statements.
</LEGEND>

<CIK>     0000052485
<NAME>     IES UTILITIES INC.
<MULTIPLIER>     1,000


<S>                                                        <C>
<PERIOD-TYPE>                                   3-MOS
<FISCAL-YEAR-END>                                          DEC-31-2000
<PERIOD-START>                                             JAN-01-2000
<PERIOD-END>                                               MAR-31-2000
<BOOK-VALUE>                                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                    1,369,073
<OTHER-PROPERTY-AND-INVEST>                                    120,148
<TOTAL-CURRENT-ASSETS>                                          89,328
<TOTAL-DEFERRED-CHARGES>                                        12,288
<OTHER-ASSETS>                                                 117,269
<TOTAL-ASSETS>                                               1,708,106
<COMMON>                                                        33,427
<CAPITAL-SURPLUS-PAID-IN>                                      279,042
<RETAINED-EARNINGS>                                            254,177
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                 566,646
<PREFERRED-MANDATORY>                                                0
<PREFERRED>                                                     18,320
<LONG-TERM-DEBT-NET>                                           551,142
<SHORT-TERM-NOTES>                                              72,770
<LONG-TERM-NOTES-PAYABLE>                                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                                       0
<LONG-TERM-DEBT-CURRENT-PORT>                                      196
<PREFERRED-STOCK-CURRENT>                                            0
<CAPITAL-LEASE-OBLIGATIONS>                                     22,878
<LEASES-CURRENT>                                                13,272
<OTHER-ITEMS-CAPITAL-AND-LIAB>                                 462,882
<TOT-CAPITALIZATION-AND-LIAB>                                1,708,106
<GROSS-OPERATING-REVENUE>                                      212,124
<INCOME-TAX-EXPENSE>                                            11,616
<OTHER-OPERATING-EXPENSES>                                     176,626
<TOTAL-OPERATING-EXPENSES>                                     176,626
<OPERATING-INCOME-LOSS>                                         35,498
<OTHER-INCOME-NET>                                               5,240
<INCOME-BEFORE-INTEREST-EXPEN>                                  40,738
<TOTAL-INTEREST-EXPENSE>                                        13,011
<NET-INCOME>                                                    16,111
<PREFERRED-STOCK-DIVIDENDS>                                        229
<EARNINGS-AVAILABLE-FOR-COMM>                                   15,882
<COMMON-STOCK-DIVIDENDS>                                        14,658
<TOTAL-INTEREST-ON-BONDS>                                       38,852
<CASH-FLOW-OPERATIONS>                                          76,842
<EPS-BASIC>                                                          0 <F2>
<EPS-DILUTED>                                                        0 <F2>


<FN>
<F1> Income tax expense is not included in Operating Expense in the Consolidated
     Statements of Income.

<F2>Earnings per share of common stock is not reflected because all common
    shares are held by Alliant Energy Corporation.
</FN>

</TABLE>