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

  

<ARTICLE> UT EXHIBIT 27
                                                         Exhibit 27.01

Financial Data Schedule

This schedule contains summary financial information extracted from the
Statements of Income, Balance Sheets and Statements of Cash Flows and
is qualified in its entirety by referencing to such financial statements.
       
                                        
<MULTIPLIER>                               1,000
<PERIOD-TYPE>                              9-MOS
<FISCAL-YEAR-END>                          DEC-31-1993
<PERIOD-END>                               SEP-30-1994
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    4,224,646
<OTHER-PROPERTY-AND-INVEST>                    453,531
<TOTAL-CURRENT-ASSETS>                         598,069
<TOTAL-DEFERRED-CHARGES>                       375,965
<OTHER-ASSETS>                                 129,472
<TOTAL-ASSETS>                               5,781,683
<COMMON>                                       167,264
<CAPITAL-SURPLUS-PAID-IN>                      545,328
<RETAINED-EARNINGS>                          1,181,597
<TOTAL-COMMON-STOCKHOLDERS-EQ>               1,891,153
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    240,469
<LONG-TERM-DEBT-NET>                         1,311,938
<SHORT-TERM-NOTES>                               2,057
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                 250,348
<LONG-TERM-DEBT-CURRENT-PORT>                  155,851
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,929,867
<TOT-CAPITALIZATION-AND-LIAB>                5,781,683
<GROSS-OPERATING-REVENUE>                    1,877,754
<INCOME-TAX-EXPENSE>                           108,429
<OTHER-OPERATING-EXPENSES>                   1,529,072
<TOTAL-OPERATING-EXPENSES>                   1,637,501
<OPERATING-INCOME-LOSS>                        240,253
<OTHER-INCOME-NET>                              30,661
<INCOME-BEFORE-INTEREST-EXPEN>                 270,914
<TOTAL-INTEREST-EXPENSE>                        76,246
<NET-INCOME>                                   194,668
<PREFERRED-STOCK-DIVIDENDS>                      9,210
<EARNINGS-AVAILABLE-FOR-COMM>                  185,458
<COMMON-STOCK-DIVIDENDS>                       131,233
<TOTAL-INTEREST-ON-BONDS>                       69,154
<CASH-FLOW-OPERATIONS>                         394,163
<EPS-PRIMARY>                                     2.78
<EPS-DILUTED>                                        0