<ARTICLE> UT
<LEGEND> This schedule contains summary financial information extracted from 
the Balance Sheet, the Statement of Income and the Statement of Cash Flows and 
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. Dollars
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-START>                             JAN-01-1994
<PERIOD-END>                               SEP-30-1994
<EXCHANGE-RATE>                                      1
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    5,311,581
<OTHER-PROPERTY-AND-INVEST>                     72,053
<TOTAL-CURRENT-ASSETS>                         624,318
<TOTAL-DEFERRED-CHARGES>                        57,932
<OTHER-ASSETS>                                 735,662
<TOTAL-ASSETS>                               6,801,546
<COMMON>                                       510,619
<CAPITAL-SURPLUS-PAID-IN>                      717,669
<RETAINED-EARNINGS>                          1,087,711
<TOTAL-COMMON-STOCKHOLDERS-EQ>               2,315,999
<PREFERRED-MANDATORY>                              650
<PREFERRED>                                    218,497
<LONG-TERM-DEBT-NET>                         1,735,312
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                   38,000
<PREFERRED-STOCK-CURRENT>                           26
<CAPITAL-LEASE-OBLIGATIONS>                     84,359
<LEASES-CURRENT>                                29,963
<OTHER-ITEMS-CAPITAL-AND-LIAB>               2,378,740
<TOT-CAPITALIZATION-AND-LIAB>                6,801,546
<GROSS-OPERATING-REVENUE>                    1,649,084
<INCOME-TAX-EXPENSE>                           194,065
<OTHER-OPERATING-EXPENSES>                   1,056,589
<TOTAL-OPERATING-EXPENSES>                   1,250,654
<OPERATING-INCOME-LOSS>                        398,430
<OTHER-INCOME-NET>                               7,599
<INCOME-BEFORE-INTEREST-EXPEN>                 406,029
<TOTAL-INTEREST-EXPENSE>                       103,936
<NET-INCOME>                                   302,093
<PREFERRED-STOCK-DIVIDENDS>                      9,939
<EARNINGS-AVAILABLE-FOR-COMM>                  292,154
<COMMON-STOCK-DIVIDENDS>                       182,291
<TOTAL-INTEREST-ON-BONDS>                      109,639
<CASH-FLOW-OPERATIONS>                         528,817
<EPS-PRIMARY>                                     2.86
<EPS-DILUTED>                                     2.86