<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.

<CIK> 0000811156
<NAME> CMS ENERGY CORPORATION
<MULTIPLIER> 1,000,000

                             
<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
<PREFERRED-MANDATORY>                            1,119
<PREFERRED>                                         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
<PREFERRED-STOCK-CURRENT>                            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
<PREFERRED-STOCK-DIVIDENDS>                         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