<TABLE> <S> <C>

<ARTICLE>  UT
<SUBSIDIARY>
<NUMBER> 004
<NAME>  PUBLIC SERVICE COMPANY OF OKLAHOMA
<MULTIPLIER> 1,000
       
<S>                                         <C>                   <C>
<PERIOD-TYPE>                               3-MOS                 9-MOS
<FISCAL-YEAR-END>                                     DEC-31-1995          DEC-31-1995
<PERIOD-END>                                          SEP-30-1995          SEP-30-1995
<BOOK-VALUE>                                             PER-BOOK             PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                               1,318,934            1,318,934
<OTHER-PROPERTY-AND-INVEST>                                 3,986                3,986
<TOTAL-CURRENT-ASSETS>                                     99,128               99,128
<TOTAL-DEFERRED-CHARGES>                                   17,446               17,446
<OTHER-ASSETS>                                             36,255               36,255
<TOTAL-ASSETS>                                          1,475,749            1,475,749
<COMMON>                                                  157,230              157,230
<CAPITAL-SURPLUS-PAID-IN>                                 180,000              180,000
<RETAINED-EARNINGS>                                       162,300              162,300
<TOTAL-COMMON-STOCKHOLDERS-EQ>                            499,530              499,530
<PREFERRED-MANDATORY>                                           0                    0
<PREFERRED>                                                19,826               19,826
<LONG-TERM-DEBT-NET>                                      378,876              378,876
<SHORT-TERM-NOTES>                                         43,308               43,308
<LONG-TERM-NOTES-PAYABLE>                                       0                    0
<COMMERCIAL-PAPER-OBLIGATIONS>                                  0                    0
<LONG-TERM-DEBT-CURRENT-PORT>                              25,000               25,000
<PREFERRED-STOCK-CURRENT>                                       0                    0
<CAPITAL-LEASE-OBLIGATIONS>                                     0                    0
<LEASES-CURRENT>                                                0                    0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                            509,209              509,209
<TOT-CAPITALIZATION-AND-LIAB>                           1,475,749            1,475,749
<GROSS-OPERATING-REVENUE>                                 232,156              542,215
<INCOME-TAX-EXPENSE>                                       31,012               37,659
<OTHER-OPERATING-EXPENSES>                                142,620              404,814
<TOTAL-OPERATING-EXPENSES>                                173,632              442,473
<OPERATING-INCOME-LOSS>                                    58,524               99,742
<OTHER-INCOME-NET>                                           (212)               3,543
<INCOME-BEFORE-INTEREST-EXPEN>                             58,312              103,285
<TOTAL-INTEREST-EXPENSE>                                    7,630               24,642
<NET-INCOME>                                               50,682               78,643
<PREFERRED-STOCK-DIVIDENDS>                                   204                  612
<EARNINGS-AVAILABLE-FOR-COMM>                              50,478               78,031
<COMMON-STOCK-DIVIDENDS>                                   30,000               40,000
<TOTAL-INTEREST-ON-BONDS>                                   7,398               22,196
<CASH-FLOW-OPERATIONS>                                     65,633              128,517
<EPS-PRIMARY>                                                0.26                 0.41
<EPS-DILUTED>                                                0.26                 0.41
        


</TABLE>