<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.
</LEGEND>
<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 <F1>
<OTHER-OPERATING-EXPENSES> 336,148
<TOTAL-OPERATING-EXPENSES> 336,148 <F1>
<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 <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>