WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE>    UT
<LEGEND>    PEOPLES ENERGY CORPORATION

THE SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM CONSOLIDATED STATEMENTS
OF INCOME, CONSOLIDATED BALANCE SHEETS, AND CONSOLIDATED STATEMENTS OF CASH
FLOWS, AND QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
<MULTIPLIER>    1,000
<CURRENCY>    U.S.DOLLARS

<S>                                                      <C>
<PERIOD-TYPE>                                          9-MOS
<PERIOD-START>                                   Oct-01-1999
<FISCAL-YEAR-END>                                Sep-30-2000
<PERIOD-END>                                     Jun-30-2000
<EXCHANGE-RATE>                                            1
<BOOK-VALUE>                                        PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                          1,595,948
<OTHER-PROPERTY-AND-INVEST>                          154,805
<TOTAL-CURRENT-ASSETS>                               558,395
<TOTAL-DEFERRED-CHARGES>                              29,872
<OTHER-ASSETS>                                        68,056
<TOTAL-ASSETS>                                     2,407,076
<COMMON>                                             291,242
<CAPITAL-SURPLUS-PAID-IN>                                  3
<RETAINED-EARNINGS>                                  517,056
<TOTAL-COMMON-STOCKHOLDERS-EQ>                       808,301
<PREFERRED-MANDATORY>                                      0
<PREFERRED>                                                0
<LONG-TERM-DEBT-NET>                                 319,711
<SHORT-TERM-NOTES>                                         0
<LONG-TERM-NOTES-PAYABLE>                                  0
<COMMERCIAL-PAPER-OBLIGATIONS>                       352,000
<LONG-TERM-DEBT-CURRENT-PORT>                        202,000
<PREFERRED-STOCK-CURRENT>                                  0
<CAPITAL-LEASE-OBLIGATIONS>                                0
<LEASES-CURRENT>                                           0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                       725,064
<TOT-CAPITALIZATION-AND-LIAB>                      2,407,076
<GROSS-OPERATING-REVENUE>                          1,198,395
<INCOME-TAX-EXPENSE>                                  55,051
<OTHER-OPERATING-EXPENSES>                         1,019,826
<TOTAL-OPERATING-EXPENSES>                         1,019,826
<OPERATING-INCOME-LOSS>                              178,569
<OTHER-INCOME-NET>                                    12,635
<INCOME-BEFORE-INTEREST-EXPEN>                       191,204
<TOTAL-INTEREST-EXPENSE>                              38,303
<NET-INCOME>                                          97,850
<PREFERRED-STOCK-DIVIDENDS>                                0
<EARNINGS-AVAILABLE-FOR-COMM>                         97,850
<COMMON-STOCK-DIVIDENDS>                              52,550
<TOTAL-INTEREST-ON-BONDS>                             26,096
<CASH-FLOW-OPERATIONS>                                60,576
<EPS-BASIC>                                             2.76
<EPS-DILUTED>                                           2.76


</TABLE>