<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
This schedule contains summary financial information extracted from the
financial statements of NiSource Inc. for three months ended June 30, 1999, 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> 4,773,207
<OTHER-PROPERTY-AND-INVEST> 641,649
<TOTAL-CURRENT-ASSETS> 1,113,081
<TOTAL-DEFERRED-CHARGES> 0
<OTHER-ASSETS> 665,738
<TOTAL-ASSETS> 7,193,675
<COMMON> 352,313
<CAPITAL-SURPLUS-PAID-IN> 163,082
<RETAINED-EARNINGS> 815,164
<TOTAL-COMMON-STOCKHOLDERS-EQ> 1,330,559
52,480
83,631
<LONG-TERM-DEBT-NET> 408,500
<SHORT-TERM-NOTES> 302,109
<LONG-TERM-NOTES-PAYABLE> 1,507,320
<COMMERCIAL-PAPER-OBLIGATIONS> 408,000
<LONG-TERM-DEBT-CURRENT-PORT> 74,568
0
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 3,026,508
<TOT-CAPITALIZATION-AND-LIAB> 7,193,675
<GROSS-OPERATING-REVENUE> 922,971
<INCOME-TAX-EXPENSE> 12,903
<OTHER-OPERATING-EXPENSES> 833,624
<TOTAL-OPERATING-EXPENSES> 833,624
<OPERATING-INCOME-LOSS> 89,347
<OTHER-INCOME-NET> (4,498)
<INCOME-BEFORE-INTEREST-EXPEN> 71,946
<TOTAL-INTEREST-EXPENSE> 48,533
<NET-INCOME> 23,413
0
<EARNINGS-AVAILABLE-FOR-COMM> 23,413
<COMMON-STOCK-DIVIDENDS> 32,260
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> (4,926)
<EPS-BASIC> 0.19
<EPS-DILUTED> 0.18
</TABLE>