<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.


<MULTIPLIER> 1,000


                             
<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
<PREFERRED-MANDATORY>                           52,480
<PREFERRED>                                     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
<PREFERRED-STOCK-CURRENT>                        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
<PREFERRED-STOCK-DIVIDENDS>                      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