<ARTICLE>                                                              UT
<LEGEND>       THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
               EXTRACTED FROM THE UNAUDITED FINANCIAL STATEMENTS OF
               WISCONSIN ENERGY CORPORATION FOR THE NINE MONTHS ENDED
               SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
               REFERENCE TO SUCH FINANCIAL STATEMENTS.
<MULTIPLIER>                                                        1,000

                                                           
<CURRENCY>                                                    U.S.DOLLARS
<FISCAL-YEAR-END>                                             DEC-31-2000
<PERIOD-START>                                                JAN-01-2000
<PERIOD-END>                                                  SEP-30-2000
<PERIOD-TYPE>                                                       9-MOS
<EXCHANGE-RATE>                                                         1
<BOOK-VALUE>                                                     PER-BOOK
<TOTAL-NET-UTILITY-PLANT> <F1>                                  3,937,900
<OTHER-PROPERTY-AND-INVEST> <F2>                                1,226,300
<TOTAL-CURRENT-ASSETS>                                          1,599,200
<TOTAL-DEFERRED-CHARGES>                                                0
<OTHER-ASSETS>                                                  1,843,600
<TOTAL-ASSETS>                                                  8,607,000
<COMMON>                                                            1,200
<CAPITAL-SURPLUS-PAID-IN>                                         891,400
<RETAINED-EARNINGS> <F3>                                        1,184,000
<TOTAL-COMMON-STOCKHOLDERS-EQ>                                  2,076,600
<PREFERRED-MANDATORY>                                                   0
<PREFERRED>                                                        30,400
<LONG-TERM-DEBT-NET>                                            1,328,700
<SHORT-TERM-NOTES>                                                251,700
<LONG-TERM-NOTES-PAYABLE>                                         784,800
<COMMERCIAL-PAPER-OBLIGATIONS>                                  1,752,000
<LONG-TERM-DEBT-CURRENT-PORT>                                      41,600
<PREFERRED-STOCK-CURRENT>                                               0
<CAPITAL-LEASE-OBLIGATIONS>                                       177,100
<LEASES-CURRENT>                                                   23,000
<OTHER-ITEMS-CAPITAL-AND-LIAB> <F4>                             2,141,100
<TOT-CAPITALIZATION-AND-LIAB>                                   8,607,000
<GROSS-OPERATING-REVENUE>                                       2,233,800
<INCOME-TAX-EXPENSE>                                               86,200
<OTHER-OPERATING-EXPENSES>                                      1,877,800
<TOTAL-OPERATING-EXPENSES> <F5>                                 1,877,800
<OPERATING-INCOME-LOSS> <F5>                                      356,000
<OTHER-INCOME-NET>                                                 30,800
<INCOME-BEFORE-INTEREST-EXPEN> <F6>                               386,800
<TOTAL-INTEREST-EXPENSE> <F7>                                     175,300
<NET-INCOME> <F8>                                                 125,300
<PREFERRED-STOCK-DIVIDENDS> <F9>                                        0
<EARNINGS-AVAILABLE-FOR-COMM>                                     125,300
<COMMON-STOCK-DIVIDENDS>                                          141,100
<TOTAL-INTEREST-ON-BONDS>                                               0
<CASH-FLOW-OPERATIONS>                                            423,200
<EPS-BASIC>                                                          1.04
<EPS-DILUTED>                                                        1.03
<FN>
<F1>  TOTAL NET UTILITY PLANT IS $4,325,900 OF NET PROPERTY,
      PLANT AND EQUIPMENT LESS $388,000 OF NET NON-UTILITY PROPERTY.
<F2>  OTHER PROPERTY AND INVESTMENTS IS $838,300 OF INVESTMENTS
      PLUS $388,000 OF NET NON-UTILITY PROPERTY.
<F3>  RETAINED EARNINGS IS NET OF ($3,800) OF UNEARNED COMPENSATION FOR
      RESTRICTED STOCK AWARDS AND $32,900 OF STOCK OPTIONS EXERCISABLE.
<F4>  OTHER ITEMS - CAPITAL AND LIABILITIES INCLUDES $200,000
      OF COMPANY-OBLIGATED, MANDATORILY REDEEMABLE PREFERRED
      SECURITIES OF SUBSIDIARY TRUST HOLDING SOLELY DEBENTURES
      OF THE COMPANY.
<F5>  TOTAL OPERATING EXPENSES AND OPERATING INCOME OR LOSS
      EXCLUDE INCOME TAXES OF $86,200.
<F6>  INCOME BEFORE INTEREST EXPENSE AND INCOME TAXES.
<F7>  TOTAL INTEREST EXPENSE INCLUDES $10,300 OF DISTRIBUTIONS
      ON PREFERRED SECURITIES OF SUBSIDIARY TRUST AND $900
      OF PREFERRED DIVIDEND REQUIREMENTS OF SUBSIDIARY.
<F8>  NET INCOME IS AFTER INCOME TAXES OF $86,200.
<F9>  PREFERRED STOCK DIVIDENDS ARE INCLUDED IN TOTAL INTEREST
      EXPENSE.
SEE FINANCIAL STATEMENTS AND NOTES IN THE ACCOMPANYING 10-Q.
</FN>