WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE UNAUDITED FINANCIAL STATEMENTS OF
WISCONSIN ENERGY CORPORATION FOR THE SIX MONTHS ENDED
JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
<MULTIPLIER> 1,000,000
<S> <C>
<CURRENCY> U.S.DOLLARS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<PERIOD-TYPE> 6-MOS
<EXCHANGE-RATE> 1
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> <F1> 3,691,800
<OTHER-PROPERTY-AND-INVEST> <F2> 1,611.4
<TOTAL-CURRENT-ASSETS> 1,284.9
<TOTAL-DEFERRED-CHARGES> 0.0
<OTHER-ASSETS> 1,822.9
<TOTAL-ASSETS> 8,411.0
<COMMON> 1.2
<CAPITAL-SURPLUS-PAID-IN> 890.0
<RETAINED-EARNINGS> <F3> 1,188.8
<TOTAL-COMMON-STOCKHOLDERS-EQ> 2,080.0
0.0
30.4
<LONG-TERM-DEBT-NET> 1,488.6
<SHORT-TERM-NOTES> 251.7
<LONG-TERM-NOTES-PAYABLE> 625.2
<COMMERCIAL-PAPER-OBLIGATIONS> 1,564.4
<LONG-TERM-DEBT-CURRENT-PORT> 41.3
0.0
<CAPITAL-LEASE-OBLIGATIONS> 177.7
<LEASES-CURRENT> 26.6
<OTHER-ITEMS-CAPITAL-AND-LIAB> <F4> 2,125.1
<TOT-CAPITALIZATION-AND-LIAB> 8,411.0
<GROSS-OPERATING-REVENUE> 1,383.0
<INCOME-TAX-EXPENSE> 51.7
<OTHER-OPERATING-EXPENSES> 1,161.7
<TOTAL-OPERATING-EXPENSES> <F5> 1,161.7
<OPERATING-INCOME-LOSS> <F5> 221.3
<OTHER-INCOME-NET> 15.2
<INCOME-BEFORE-INTEREST-EXPEN> <F6> 236.5
<TOTAL-INTEREST-EXPENSE> <F7> 104.1
<NET-INCOME> <F8> 80.7
<F9> 0.0
<EARNINGS-AVAILABLE-FOR-COMM> 80.7
<COMMON-STOCK-DIVIDENDS> 93.5
<TOTAL-INTEREST-ON-BONDS> 0.0
<CASH-FLOW-OPERATIONS> 306.0
<EPS-BASIC> 0.67
<EPS-DILUTED> 0.67
<FN>
<F1> TOTAL NET UTILITY PLANT IS $4,456.9 OF NET PROPERTY,
PLANT AND EQUIPMENT LESS $765.1 OF NET NON-UTILITY PROPERTY.
<F2> OTHER PROPERTY AND INVESTMENTS IS $846.3 OF INVESTMENTS
PLUS $765.1 OF NET NON-UTILITY PROPERTY.
<F3> RETAINED EARNINGS IS NET OF ($3.8) OF UNEARNED COMPENSATION FOR
RESTRICTED STOCK AWARDS AND $34.7 OF STOCK OPTIONS EXERCISABLE.
<F4> OTHER ITEMS - CAPITAL AND LIABILITIES INCLUDES $200.0
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 $51.7.
<F6> INCOME BEFORE INTEREST EXPENSE AND INCOME TAXES.
<F7> TOTAL INTEREST EXPENSE INCLUDES $6.8 OF DISTRIBUTIONS
ON PREFERRED SECURITIES OF SUBSIDIARY TRUST AND $0.6
OF PREFERRED DIVIDEND REQUIREMENTS OF SUBSIDIARY.
<F8> NET INCOME IS AFTER INCOME TAXES OF $51.7.
<F9> PREFERRED STOCK DIVIDENDS ARE INCLUDED IN TOTAL INTEREST
EXPENSE.
SEE FINANCIAL STATEMENTS AND NOTES IN THE ACCOMPANYING 10-Q.
</FN>
</TABLE>
