<ARTICLE> UT

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    4,775,562
<OTHER-PROPERTY-AND-INVEST>                    230,950
<TOTAL-CURRENT-ASSETS>                         624,285
<TOTAL-DEFERRED-CHARGES>                       633,046
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               6,263,843
<COMMON>                                       178,162
<CAPITAL-SURPLUS-PAID-IN>                    1,246,804
<RETAINED-EARNINGS>                            559,333
<TOTAL-COMMON-STOCKHOLDERS-EQ>               1,984,299
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<LONG-TERM-DEBT-NET>                         1,756,388
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                 200,875
<LONG-TERM-DEBT-CURRENT-PORT>                  114,886
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>               2,207,395
<TOT-CAPITALIZATION-AND-LIAB>                6,263,843
<GROSS-OPERATING-REVENUE>                    1,165,375
<INCOME-TAX-EXPENSE>                            95,708
<OTHER-OPERATING-EXPENSES>                     871,228
<TOTAL-OPERATING-EXPENSES>                     966,936
<OPERATING-INCOME-LOSS>                        198,439
<OTHER-INCOME-NET>                               (186)
<INCOME-BEFORE-INTEREST-EXPEN>                 198,253
<TOTAL-INTEREST-EXPENSE>                        69,627
<NET-INCOME>                                   128,626
<PREFERRED-STOCK-DIVIDENDS>                          0
<EARNINGS-AVAILABLE-FOR-COMM>                  128,626
<COMMON-STOCK-DIVIDENDS>                       127,500
<TOTAL-INTEREST-ON-BONDS>                       47,150
<CASH-FLOW-OPERATIONS>                         320,041
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0