<ARTICLE> UT
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               MAR-31-1995
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    5,375,281
<OTHER-PROPERTY-AND-INVEST>                     59,387
<TOTAL-CURRENT-ASSETS>                         407,319
<TOTAL-DEFERRED-CHARGES>                        72,889
<OTHER-ASSETS>                                 715,202
<TOTAL-ASSETS>                               6,630,078
<COMMON>                                       510,619
<CAPITAL-SURPLUS-PAID-IN>                      717,669
<RETAINED-EARNINGS>                          1,013,382
<TOTAL-COMMON-STOCKHOLDERS-EQ>               2,241,670
<PREFERRED-MANDATORY>                              650
<PREFERRED>                                    218,497
<LONG-TERM-DEBT-NET>                         1,730,589
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                   43,000
<PREFERRED-STOCK-CURRENT>                           26
<CAPITAL-LEASE-OBLIGATIONS>                     53,255
<LEASES-CURRENT>                                28,893
<OTHER-ITEMS-CAPITAL-AND-LIAB>               2,313,498
<TOT-CAPITALIZATION-AND-LIAB>                6,630,078
<GROSS-OPERATING-REVENUE>                      447,115
<INCOME-TAX-EXPENSE>                            23,860
<OTHER-OPERATING-EXPENSES>                     355,949
<TOTAL-OPERATING-EXPENSES>                     379,809
<OPERATING-INCOME-LOSS>                         67,306
<OTHER-INCOME-NET>                               2,538
<INCOME-BEFORE-INTEREST-EXPEN>                  69,844
<TOTAL-INTEREST-EXPENSE>                        31,620
<NET-INCOME>                                    38,224
<PREFERRED-STOCK-DIVIDENDS>                      3,313
<EARNINGS-AVAILABLE-FOR-COMM>                   34,911
<COMMON-STOCK-DIVIDENDS>                        62,295
<TOTAL-INTEREST-ON-BONDS>                      114,508
<CASH-FLOW-OPERATIONS>                         199,919
<EPS-PRIMARY>                                      .34
<EPS-DILUTED>                                      .34