<ARTICLE>                                      UT
<LEGEND>
This schedule contains summary financial information extracted from the June 30,
2000  Financial  Statements  included in IES  Utilities  Inc.'s Form 10-Q and is
qualified in its entirety by reference to such Financial Statements.


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


                                              
<PERIOD-TYPE>                                   6-MOS
<FISCAL-YEAR-END>                                          DEC-31-2000
<PERIOD-START>                                             JAN-01-2000
<PERIOD-END>                                               JUN-30-2000
<BOOK-VALUE>                                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                    1,368,339
<OTHER-PROPERTY-AND-INVEST>                                    121,383
<TOTAL-CURRENT-ASSETS>                                         105,391
<TOTAL-DEFERRED-CHARGES>                                        12,623
<OTHER-ASSETS>                                                 112,717
<TOTAL-ASSETS>                                               1,720,453
<COMMON>                                                        33,427
<CAPITAL-SURPLUS-PAID-IN>                                      279,042
<RETAINED-EARNINGS>                                            245,835
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                 558,304
<PREFERRED-MANDATORY>                                                0
<PREFERRED>                                                     18,320
<LONG-TERM-DEBT-NET>                                           490,645
<SHORT-TERM-NOTES>                                              84,743
<LONG-TERM-NOTES-PAYABLE>                                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                                       0
<LONG-TERM-DEBT-CURRENT-PORT>                                   60,560
<PREFERRED-STOCK-CURRENT>                                            0
<CAPITAL-LEASE-OBLIGATIONS>                                     21,369
<LEASES-CURRENT>                                                11,463
<OTHER-ITEMS-CAPITAL-AND-LIAB>                                 475,049
<TOT-CAPITALIZATION-AND-LIAB>                                1,720,453
<GROSS-OPERATING-REVENUE>                                      394,081
<INCOME-TAX-EXPENSE>                                            16,912 
<OTHER-OPERATING-EXPENSES>                                     336,148
<TOTAL-OPERATING-EXPENSES>                                     336,148 
<OPERATING-INCOME-LOSS>                                         57,933
<OTHER-INCOME-NET>                                               7,229
<INCOME-BEFORE-INTEREST-EXPEN>                                  65,162
<TOTAL-INTEREST-EXPENSE>                                        25,595
<NET-INCOME>                                                    22,655
<PREFERRED-STOCK-DIVIDENDS>                                        457
<EARNINGS-AVAILABLE-FOR-COMM>                                   22,198
<COMMON-STOCK-DIVIDENDS>                                        29,316
<TOTAL-INTEREST-ON-BONDS>                                       38,922
<CASH-FLOW-OPERATIONS>                                         113,783
<EPS-BASIC>                                                          0 
<EPS-DILUTED>                                                        0 



<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.