<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 September 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> JUL-01-2000
<PERIOD-END> SEP-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 2,901,594
<OTHER-PROPERTY-AND-INVEST> 2,670
<TOTAL-CURRENT-ASSETS> 384,153
<TOTAL-DEFERRED-CHARGES> 204,086
<OTHER-ASSETS> 178,542
<TOTAL-ASSETS> 3,671,045
<COMMON> 859,488
<CAPITAL-SURPLUS-PAID-IN> 12,525
<RETAINED-EARNINGS> 134,029
<TOTAL-COMMON-STOCKHOLDERS-EQ> 1,006,042
52,180
81,114
<LONG-TERM-DEBT-NET> 313,174
<SHORT-TERM-NOTES> 107,700
<LONG-TERM-NOTES-PAYABLE> 592,025
<COMMERCIAL-PAPER-OBLIGATIONS> 183,500
<LONG-TERM-DEBT-CURRENT-PORT> 18,000
1,828
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 1,315,482
<TOT-CAPITALIZATION-AND-LIAB> 3,671,045
<GROSS-OPERATING-REVENUE> 411,640
<INCOME-TAX-EXPENSE> 31,872
<OTHER-OPERATING-EXPENSES> 303,576
<TOTAL-OPERATING-EXPENSES> 335,448
<OPERATING-INCOME-LOSS> 76,192
<OTHER-INCOME-NET> 270
<INCOME-BEFORE-INTEREST-EXPEN> 76,462
<TOTAL-INTEREST-EXPENSE> 20,358
<NET-INCOME> 56,104
1,975
<EARNINGS-AVAILABLE-FOR-COMM> 54,129
<COMMON-STOCK-DIVIDENDS> 168,000
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> 54,170
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>
