<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
STATEMENT OF INCOME, STATEMENT OF CASH FLOWS, BALANCE SHEET, AND STATEMENT OF
COMMON STOCKHOLDERS' EQUITY, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000811156
<NAME> CMS ENERGY CORPORATION
<MULTIPLIER> 1,000,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 4,097
<OTHER-PROPERTY-AND-INVEST> 5,931
<TOTAL-CURRENT-ASSETS> 1,944
<TOTAL-DEFERRED-CHARGES> 3,735
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 15,707
<COMMON> 1
<CAPITAL-SURPLUS-PAID-IN> 2,626
<RETAINED-EARNINGS> (110)
<TOTAL-COMMON-STOCKHOLDERS-EQ> 2,345
1,119
44
<LONG-TERM-DEBT-NET> 1,527
<SHORT-TERM-NOTES> 278
<LONG-TERM-NOTES-PAYABLE> 5,391
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 514
0
<CAPITAL-LEASE-OBLIGATIONS> 197
<LEASES-CURRENT> 33
<OTHER-ITEMS-CAPITAL-AND-LIAB> 4,087
<TOT-CAPITALIZATION-AND-LIAB> 15,707
<GROSS-OPERATING-REVENUE> 3,426
<INCOME-TAX-EXPENSE> 68
<OTHER-OPERATING-EXPENSES> 2,928
<TOTAL-OPERATING-EXPENSES> 2,996
<OPERATING-INCOME-LOSS> 430
<OTHER-INCOME-NET> 61
<INCOME-BEFORE-INTEREST-EXPEN> 491
<TOTAL-INTEREST-EXPENSE> 282
<NET-INCOME> 209
48
<EARNINGS-AVAILABLE-FOR-COMM> 161
<COMMON-STOCK-DIVIDENDS> 82
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> 183
<EPS-BASIC> 1.44
<EPS-DILUTED> 1.42
</TABLE>
