<ARTICLE> UT
<CIK> 0000050217
<NAME> INDIANAPOLIS POWER & LIGHT COMPANY
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               MAR-31-2000
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    1,744,524
<OTHER-PROPERTY-AND-INVEST>                      5,463
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<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               2,036,709
<COMMON>                                       324,537
<CAPITAL-SURPLUS-PAID-IN>                            0
<RETAINED-EARNINGS>                            467,851
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 795,030
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     59,135
<LONG-TERM-DEBT-NET>                           627,966
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
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<OTHER-ITEMS-CAPITAL-AND-LIAB>                 554,578
<TOT-CAPITALIZATION-AND-LIAB>                2,036,709
<GROSS-OPERATING-REVENUE>                      211,089
<INCOME-TAX-EXPENSE>                            23,210
<OTHER-OPERATING-EXPENSES>                     139,709
<TOTAL-OPERATING-EXPENSES>                     162,919
<OPERATING-INCOME-LOSS>                         48,170
<OTHER-INCOME-NET>                                  96
<INCOME-BEFORE-INTEREST-EXPEN>                  48,266
<TOTAL-INTEREST-EXPENSE>                        10,016
<NET-INCOME>                                    38,250
<PREFERRED-STOCK-DIVIDENDS>                        803
<EARNINGS-AVAILABLE-FOR-COMM>                   37,447
<COMMON-STOCK-DIVIDENDS>                        15,356
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                         103,806
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0