<ARTICLE> UT
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Statements of Income, Consolidated Statements of Cash Flows
and Consolidated Balance Sheets for the six months ended 06/30/97 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              DEC-31-1996
<PERIOD-END>                                   JUN-30-1997
<BOOK-VALUE>                                   PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                      9,461,100
<OTHER-PROPERTY-AND-INVEST>                    7,875,900
<TOTAL-CURRENT-ASSETS>                         2,788,200
<TOTAL-DEFERRED-CHARGES>                       2,189,000
<OTHER-ASSETS>                                         0
<TOTAL-ASSETS>                                22,314,200
<COMMON>                                       4,296,900
<CAPITAL-SURPLUS-PAID-IN>                              0
<RETAINED-EARNINGS>                            3,209,300
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 7,506,200
<PREFERRED-MANDATORY>                            229,800
<PREFERRED>                                      450,000
<LONG-TERM-DEBT-NET>                           5,643,000
<SHORT-TERM-NOTES>                               420,600
<LONG-TERM-NOTES-PAYABLE>                              0
<COMMERCIAL-PAPER-OBLIGATIONS>                   361,900
<LONG-TERM-DEBT-CURRENT-PORT>                    135,200
<PREFERRED-STOCK-CURRENT>                          4,200
<CAPITAL-LEASE-OBLIGATIONS>                        9,000
<LEASES-CURRENT>                                   1,600
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 7,563,300
<TOT-CAPITALIZATION-AND-LIAB>                 22,314,200
<GROSS-OPERATING-REVENUE>                      6,898,600
<INCOME-TAX-EXPENSE>                             329,500
<OTHER-OPERATING-EXPENSES>                     5,936,600
<TOTAL-OPERATING-EXPENSES>                     6,266,100
<OPERATING-INCOME-LOSS>                          962,000
<OTHER-INCOME-NET>                                89,300
<INCOME-BEFORE-INTEREST-EXPEN>                   709,500
<TOTAL-INTEREST-EXPENSE>                         229,200
<NET-INCOME>                                     480,300
<PREFERRED-STOCK-DIVIDENDS>                       22,100
<EARNINGS-AVAILABLE-FOR-COMM>                    458,200
<COMMON-STOCK-DIVIDENDS>                         286,254
<TOTAL-INTEREST-ON-BONDS>                        120,760
<CASH-FLOW-OPERATIONS>                           875,400
<EPS-PRIMARY>                                       1.27
<EPS-DILUTED>                                          0