WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE. <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, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. THIS SCHEDULE REFLECTS RECLASSIFICATION OF AMOUNTS TO CONFORM TO THE COMPANY'S CURRENT FINANCIAL STATEMENT PRESENTATION. <MULTIPLIER> 1,000,000 <CURRENCY> U.S.DOLLARS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <PERIOD-TYPE> 6-MOS <EXCHANGE-RATE> 1 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> <F1> 3,277.0 <OTHER-PROPERTY-AND-INVEST> <F2> 1,386.8 <TOTAL-CURRENT-ASSETS> 631.1 <TOTAL-DEFERRED-CHARGES> 0.0 <OTHER-ASSETS> 521.7 <TOTAL-ASSETS> 5,816.6 <COMMON> 1.2 <CAPITAL-SURPLUS-PAID-IN> 796.0 <RETAINED-EARNINGS> <F3> 1,154.7 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,951.9 <PREFERRED-MANDATORY> 0.0 <PREFERRED> 30.4 <LONG-TERM-DEBT-NET> 1,174.2 <SHORT-TERM-NOTES> 50.7 <LONG-TERM-NOTES-PAYABLE> 620.9 <COMMERCIAL-PAPER-OBLIGATIONS> 223.2 <LONG-TERM-DEBT-CURRENT-PORT> 103.6 <PREFERRED-STOCK-CURRENT> 0.0 <CAPITAL-LEASE-OBLIGATIONS> 184.3 <LEASES-CURRENT> 26.4 <OTHER-ITEMS-CAPITAL-AND-LIAB> <F4> 1,451.0 <TOT-CAPITALIZATION-AND-LIAB> 5,816.6 <GROSS-OPERATING-REVENUE> 1,095.7 <INCOME-TAX-EXPENSE> 54.0 <OTHER-OPERATING-EXPENSES> 883.5 <TOTAL-OPERATING-EXPENSES> <F5> 883.5 <OPERATING-INCOME-LOSS> <F5> 212.2 <OTHER-INCOME-NET> 13.7 <INCOME-BEFORE-INTEREST-EXPEN> <F7> 225.9 <TOTAL-INTEREST-EXPENSE> <F6> 69.5 <NET-INCOME> <F7> 102.4 <PREFERRED-STOCK-DIVIDENDS> 0.0 <EARNINGS-AVAILABLE-FOR-COMM> 102.4 <COMMON-STOCK-DIVIDENDS> 90.6 <TOTAL-INTEREST-ON-BONDS> 0.0 <CASH-FLOW-OPERATIONS> 221.6 <EPS-BASIC> 0.88 <EPS-DILUTED> 0.88 <FN> <F1> TOTAL NET UTILITY PLANT IS $3,799.0 OF NET PROPERTY, PLANT AND EQUIPMENT LESS $522.0 OF NET NON-UTILITY PROPERTY. <F2> OTHER PROPERTY AND INVESTMENTS IS $864.8 OF INVESTMENTS PLUS $522.0 OF NET NON-UTILITY PROPERTY. <F3> RETAINED EARNINGS IS NET OF $1.2 OF UNEARNED COMPENSATION FOR RESTRICTED STOCK AWARDS. <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 EXCLUDES INCOME TAXES OF $54.0. <F6> TOTAL INTEREST EXPENSE INCLUDES $3.6 OF DISTRIBUTIONS ON PREFERRED SECURITIES OF SUBSIDIARY TRUST AND $0.6 OF PREFERRED DIVIDEND REQUIREMENTS OF SUBSIDIARY. <F7> INCOME BEFORE INTEREST EXPENSE AND NET INCOME IS AFTER INCOME TAXES OF $54.0. SEE FINANCIAL STATEMENTS AND NOTES IN THE ACCOMPANYING 10-Q. </FN>