<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
This schedule contains summary financial information extracted from the
financial statements of Northern Indiana Public Service Company for three months
ended June 30, 2000 and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 2,911,133
<OTHER-PROPERTY-AND-INVEST> 2,662
<TOTAL-CURRENT-ASSETS> 365,077
<TOTAL-DEFERRED-CHARGES> 194,728
<OTHER-ASSETS> 181,024
<TOTAL-ASSETS> 3,654,624
<COMMON> 859,488
<CAPITAL-SURPLUS-PAID-IN> 12,525
<RETAINED-EARNINGS> 132,900
<TOTAL-COMMON-STOCKHOLDERS-EQ> 1,004,913
52,480
81,114
<LONG-TERM-DEBT-NET> 313,601
<SHORT-TERM-NOTES> 107,400
<LONG-TERM-NOTES-PAYABLE> 607,025
<COMMERCIAL-PAPER-OBLIGATIONS> 127,000
<LONG-TERM-DEBT-CURRENT-PORT> 3,000
1,528
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 1,356,563
<TOT-CAPITALIZATION-AND-LIAB> 3,654,624
<GROSS-OPERATING-REVENUE> 385,284
<INCOME-TAX-EXPENSE> 23,573
<OTHER-OPERATING-EXPENSES> 301,211
<TOTAL-OPERATING-EXPENSES> 324,784
<OPERATING-INCOME-LOSS> 60,500
<OTHER-INCOME-NET> 1,256
<INCOME-BEFORE-INTEREST-EXPEN> 61,756
<TOTAL-INTEREST-EXPENSE> 18,819
<NET-INCOME> 42,937
0,000
<EARNINGS-AVAILABLE-FOR-COMM> 42,937
<COMMON-STOCK-DIVIDENDS> 57,000
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> 11,417
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>
