<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.
</LEGEND>
<MULTIPLIER>                                                              1,000
       
                                                         
<FISCAL-YEAR-END>                                           DEC-31-1995
<PERIOD-START>                                              JAN-01-1995
<PERIOD-END>                                                JUN-30-1995
<PERIOD-TYPE>                                               6-MOS
<BOOK-VALUE>                                                PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                             6,222,076
<OTHER-PROPERTY-AND-INVEST>                                                   0
<TOTAL-CURRENT-ASSETS>                                                  738,688
<TOTAL-DEFERRED-CHARGES>                                              1,005,409
<OTHER-ASSETS>                                                          141,581
<TOTAL-ASSETS>                                                        8,107,754
<COMMON>                                                                  1,566
<CAPITAL-SURPLUS-PAID-IN>                                             1,570,873
<RETAINED-EARNINGS>                                                     900,094
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                        2,472,533
<PREFERRED-MANDATORY>                                                   160,000
<PREFERRED>                                                             227,915
<LONG-TERM-DEBT-NET>                                                  2,652,382
<SHORT-TERM-NOTES>                                                      244,000
<LONG-TERM-NOTES-PAYABLE>                                                     0
<COMMERCIAL-PAPER-OBLIGATIONS>                                                0
<LONG-TERM-DEBT-CURRENT-PORT>                                            60,400
<PREFERRED-STOCK-CURRENT>                                                90,000
<CAPITAL-LEASE-OBLIGATIONS>                                                   0
<LEASES-CURRENT>                                                              0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                                        2,200,524
<TOT-CAPITALIZATION-AND-LIAB>                                         8,107,754
<GROSS-OPERATING-REVENUE>                                             1,477,829
<INCOME-TAX-EXPENSE>                                                    102,841
<OTHER-OPERATING-EXPENSES>                                            1,093,957
<TOTAL-OPERATING-EXPENSES>                                            1,196,798
<OPERATING-INCOME-LOSS>                                                 281,031
<OTHER-INCOME-NET>                                                       11,250
<INCOME-BEFORE-INTEREST-EXPEN>                                          292,281
<TOTAL-INTEREST-EXPENSE>                                                113,331
<NET-INCOME>                                                            178,950
<PREFERRED-STOCK-DIVIDENDS>                                              17,314
<EARNINGS-AVAILABLE-FOR-COMM>                                           161,636
<COMMON-STOCK-DIVIDENDS>                                                133,892
<TOTAL-INTEREST-ON-BONDS>                                               106,500
<CASH-FLOW-OPERATIONS>                                                  270,966
<EPS-PRIMARY>                                                              1.04
<EPS-DILUTED>                                                              1.04