<ARTICLE> UT
<CIK> 0000916863
<NAME> WPS RESOURCES CORPORATION
<SUBSIDIARY>
   <NUMBER> 1
   <NAME> WISCONSIN PUBLIC SERVICE CORPORATION
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    1,010,158
<OTHER-PROPERTY-AND-INVEST>                     41,235
<TOTAL-CURRENT-ASSETS>                         240,712
<TOTAL-DEFERRED-CHARGES>                        70,041
<OTHER-ASSETS>                                 148,241
<TOTAL-ASSETS>                               1,510,387
<COMMON>                                        26,551
<CAPITAL-SURPLUS-PAID-IN>                      163,438
<RETAINED-EARNINGS>                            327,201
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 517,190
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     51,200
<LONG-TERM-DEBT-NET>                           343,037
<SHORT-TERM-NOTES>                              12,703
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                  47,590
<LONG-TERM-DEBT-CURRENT-PORT>                      884
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 537,783
<TOT-CAPITALIZATION-AND-LIAB>                1,510,387
<GROSS-OPERATING-REVENUE>                    1,063,736
<INCOME-TAX-EXPENSE>                            23,445
<OTHER-OPERATING-EXPENSES>                     963,692
<TOTAL-OPERATING-EXPENSES>                     963,692<F1>
<OPERATING-INCOME-LOSS>                        100,044<F2>
<OTHER-INCOME-NET>                               2,678
<INCOME-BEFORE-INTEREST-EXPEN>                 102,722<F3>
<TOTAL-INTEREST-EXPENSE>                        30,125
<NET-INCOME>                                    49,763<F4>
<PREFERRED-STOCK-DIVIDENDS>                      3,132
<EARNINGS-AVAILABLE-FOR-COMM>                   46,631
<COMMON-STOCK-DIVIDENDS>                        50,985
<TOTAL-INTEREST-ON-BONDS>                       26,879
<CASH-FLOW-OPERATIONS>                         109,711
<EPS-PRIMARY>                                     1.76
<EPS-DILUTED>                                     1.76
<FN>
<F1>Operating expenses exclude income taxes of $23,445.
<F2>Operating income is before income taxes of $23,445.
<F3>Income before interest expense is before income taxes of $23,445.
<F4>Net income includes deduction for minority interest of $(611).
</FN>