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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

          DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) MAY 3, 2006

<TABLE>
<CAPTION>
 COMMISSION   REGISTRANT; STATE OF INCORPORATION;      IRS EMPLOYER
FILE NUMBER      ADDRESS; AND TELEPHONE NUMBER      IDENTIFICATION NO.
-----------   -----------------------------------   ------------------
<S>           <C>                                   <C>
   1-9513            CMS ENERGY CORPORATION             38-2726431
                    (A MICHIGAN CORPORATION)
                        ONE ENERGY PLAZA
                    JACKSON, MICHIGAN 49201
                         (517) 788-0550

   1-5611           CONSUMERS ENERGY COMPANY            38-0442310
                    (A MICHIGAN CORPORATION)
                        ONE ENERGY PLAZA
                    JACKSON, MICHIGAN 49201
                         (517) 788-0550
</TABLE>

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On May 3, 2006, CMS Energy Corporation ("CMS Energy") issued a News Release, in
which it announced its results for the first quarter of 2006 and reaffirmed its
guidance for 2006 adjusted earnings. Attached as Exhibit 99 to this report and
incorporated herein by reference is a copy of the CMS Energy News Release,
furnished as a part of this report.

This Form 8-K contains "forward-looking statements" as defined in Rule 3b-6 of
the Securities Exchange Act of 1934, as amended, Rule 175 of the Securities Act
of 1933, as amended, and relevant legal decisions. The forward-looking
statements are subject to risks and uncertainties. They should be read in
conjunction with "FORWARD-LOOKING STATEMENTS AND INFORMATION" and "RISK FACTORS"
each found in the MANAGEMENT'S DISCUSSION AND ANALYSIS sections of CMS Energy's
and Consumers Energy Company's Forms 10-K for the Year Ended December 31, 2005
and as updated in CMS Energy's and Consumers Energy Company's subsequently
filed Forms 10-Q (CMS Energy's and Consumers Energy Company's "FORWARD-LOOKING
STATEMENTS AND INFORMATION" and "RISK FACTORS" sections are incorporated herein
by reference), that discuss important factors that could cause CMS Energy's and
Consumers Energy Company's results to differ materially from those anticipated
in such statements.

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                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrants have duly caused this report to be signed on their behalf by the
undersigned hereunto duly authorized.

                                        CMS ENERGY CORPORATION

Dated: May 3, 2006


                                        By: /s/ Thomas J. Webb
                                            ------------------------------------
                                            Thomas J. Webb
                                            Executive Vice President and
                                            Chief Financial Officer


                                        CONSUMERS ENERGY COMPANY

Dated: May 3, 2006


                                        By: /s/ Thomas J. Webb
                                            ------------------------------------
                                            Thomas J. Webb
                                            Executive Vice President and
                                            Chief Financial Officer

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                                  Exhibit Index

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<CAPTION>
Exhibit No.         Description
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<S>           <C>
99            CMS Energy News Release
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