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

 

<ARTICLE>                             UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS, CONSOLIDATED STATEMENTS OF INCOME AND CONSOLIDATED
STATEMENTS OF CASH FLOWS 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>             3,784,265
<OTHER-PROPERTY-AND-INVEST>                   0
<TOTAL-CURRENT-ASSETS>                  793,785
<TOTAL-DEFERRED-CHARGES>                516,720
<OTHER-ASSETS>                          165,676
<TOTAL-ASSETS>                        5,260,446
<COMMON>                                762,136
<CAPITAL-SURPLUS-PAID-IN>               562,881
<RETAINED-EARNINGS>                     378,404
<TOTAL-COMMON-STOCKHOLDERS-EQ>        1,703,421
<PREFERRED-MANDATORY>                         0
<PREFERRED>                              20,496
<LONG-TERM-DEBT-NET>                  1,206,089
<SHORT-TERM-NOTES>                      272,659
<LONG-TERM-NOTES-PAYABLE>                     0
<COMMERCIAL-PAPER-OBLIGATIONS>                0
<LONG-TERM-DEBT-CURRENT-PORT>                 0
<PREFERRED-STOCK-CURRENT>                     0
<CAPITAL-LEASE-OBLIGATIONS>                   0
<LEASES-CURRENT>                              0
<OTHER-ITEMS-CAPITAL-AND-LIAB>        2,057,781
<TOT-CAPITALIZATION-AND-LIAB>         5,260,446
<GROSS-OPERATING-REVENUE>               706,571
<INCOME-TAX-EXPENSE>                     34,772
<OTHER-OPERATING-EXPENSES>              593,156
<TOTAL-OPERATING-EXPENSES>              627,928
<OPERATING-INCOME-LOSS>                  78,643
<OTHER-INCOME-NET>                          962
<INCOME-BEFORE-INTEREST-EXPEN>           79,605
<TOTAL-INTEREST-EXPENSE>                 23,724
<NET-INCOME>                             55,881
<PREFERRED-STOCK-DIVIDENDS>                 212
<EARNINGS-AVAILABLE-FOR-COMM>            55,669
<COMMON-STOCK-DIVIDENDS>                107,200
<TOTAL-INTEREST-ON-BONDS>                 8,083
<CASH-FLOW-OPERATIONS>                  242,680
<EPS-BASIC>                              0.00
<EPS-DILUTED>                              0.00