<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-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    1,150,902
<OTHER-PROPERTY-AND-INVEST>                    168,143
<TOTAL-CURRENT-ASSETS>                         292,925
<TOTAL-DEFERRED-CHARGES>                        70,490
<OTHER-ASSETS>                                 134,088
<TOTAL-ASSETS>                               1,816,548
<COMMON>                                        26,851
<CAPITAL-SURPLUS-PAID-IN>                      172,108
<RETAINED-EARNINGS>                            337,341
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 536,300
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     51,193
<LONG-TERM-DEBT-NET>                           510,917
<SHORT-TERM-NOTES>                              10,403
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                  79,855
<LONG-TERM-DEBT-CURRENT-PORT>                      943
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                     73,585
<LEASES-CURRENT>                                   419
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 552,933
<TOT-CAPITALIZATION-AND-LIAB>                1,816,548
<GROSS-OPERATING-REVENUE>                    1,098,540
<INCOME-TAX-EXPENSE>                            29,741
<OTHER-OPERATING-EXPENSES>                     978,803
<TOTAL-OPERATING-EXPENSES>                     978,803<F1>
<OPERATING-INCOME-LOSS>                        119,737<F2>
<OTHER-INCOME-NET>                               8,949
<INCOME-BEFORE-INTEREST-EXPEN>                 128,686<F3>
<TOTAL-INTEREST-EXPENSE>                        36,269
<NET-INCOME>                                    62,676
<PREFERRED-STOCK-DIVIDENDS>                      3,111
<EARNINGS-AVAILABLE-FOR-COMM>                   59,565
<COMMON-STOCK-DIVIDENDS>                        53,018
<TOTAL-INTEREST-ON-BONDS>                       34,106
<CASH-FLOW-OPERATIONS>                         114,858
<EPS-BASIC>                                     2.24
<EPS-DILUTED>                                     2.24
<FN>
<F1>Operating expenses exclude income taxes of $29,741.
<F2>Operating income is before income taxes of $29,741.
<F3>Income before interest expense is before income taxes of $29,741.
</FN>