<TABLE> <S> <C>

<ARTICLE>                                         UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SOUTHWESTERN
PUBLIC SERVICE COMPANY CONDENSED BALANCE SHEET AS OF JUNE 30, 1998 AND CONDENSED
STATEMENTS  OF INCOME AND CASH FLOWS FOR THE SIX MONTHS  ENDED JUNE 30, 1998 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                                                 1,000
       
<S>                                               <C>
<PERIOD-TYPE>                                     6-MOS
<FISCAL-YEAR-END>                                      DEC-31-1997
<PERIOD-END>                                           JUN-30-1998
<BOOK-VALUE>                                              PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                1,723,216
<OTHER-PROPERTY-AND-INVEST>                                124,994
<TOTAL-CURRENT-ASSETS>                                     172,998
<TOTAL-DEFERRED-CHARGES>                                   136,263
<OTHER-ASSETS>                                                   0
<TOTAL-ASSETS>                                           2,157,471
<COMMON>                                                         0
<CAPITAL-SURPLUS-PAID-IN>                                  348,402
<RETAINED-EARNINGS>                                        356,062
<TOTAL-COMMON-STOCKHOLDERS-EQ>                             704,464
<PREFERRED-MANDATORY>                                      100,000
<PREFERRED>                                                      0
<LONG-TERM-DEBT-NET>                                       620,621
<SHORT-TERM-NOTES>                                               0
<LONG-TERM-NOTES-PAYABLE>                                        0
<COMMERCIAL-PAPER-OBLIGATIONS>                             169,532
<LONG-TERM-DEBT-CURRENT-PORT>                                  114
<PREFERRED-STOCK-CURRENT>                                        0
<CAPITAL-LEASE-OBLIGATIONS>                                      0
<LEASES-CURRENT>                                                 0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                             562,740
<TOT-CAPITALIZATION-AND-LIAB>                            2,157,471
<GROSS-OPERATING-REVENUE>                                  463,738
<INCOME-TAX-EXPENSE>                                        32,954
<OTHER-OPERATING-EXPENSES>                                 350,126
<TOTAL-OPERATING-EXPENSES>                                 383,080
<OPERATING-INCOME-LOSS>                                     80,658
<OTHER-INCOME-NET>                                           3,338
<INCOME-BEFORE-INTEREST-EXPEN>                              83,996
<TOTAL-INTEREST-EXPENSE>                                    28,940
<NET-INCOME>                                                55,056
<PREFERRED-STOCK-DIVIDENDS>                                      0
<EARNINGS-AVAILABLE-FOR-COMM>                               55,056
<COMMON-STOCK-DIVIDENDS>                                    48,982
<TOTAL-INTEREST-ON-BONDS>                                   21,980
<CASH-FLOW-OPERATIONS>                                     108,063
<EPS-PRIMARY>                                                0.000
<EPS-DILUTED>                                                0.000
        

</TABLE>