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

                                 ---------------
                                   SCHEDULE TO
            Tender Offer Statement under Section 14(d)(1) or 13(e)(1)
                     of the Securities Exchange Act of 1934
                                 ---------------

                             CMS ENERGY CORPORATION
                       (Name of Subject Company (issuer))

                             CMS ENERGY CORPORATION
                            (Name of Filing Persons)
                                    (Issuer)

                    3.375% CONVERTIBLE SENIOR NOTES DUE 2023
                         (Title of Class of Securities)

                                    125896AS9
                      (CUSIP Number of Class of Securities)

                               ROBERT C. SHROSBREE
                            ASSISTANT GENERAL COUNSEL
                             CMS ENERGY CORPORATION
                                ONE ENERGY PLAZA
                             JACKSON, MICHIGAN 49201
                                 (517) 768-7323
                                       AND
                                 THOMAS J. WEBB
                            EXECUTIVE VICE PRESIDENT
                           AND CHIEF FINANCIAL OFFICER
                             CMS ENERGY CORPORATION
                                ONE ENERGY PLAZA
                             JACKSON, MICHIGAN 49201
                                 (517) 788-1030
                      (Name, address, and telephone numbers
                    of persons authorized to receive notices
                          on behalf of filing persons)

                            CALCULATION OF FILING FEE
                            -------------------------

                  TRANSACTION VALUATION *      AMOUNT OF FILING FEE **
                  -----------------------      -----------------------
                       $150,000,000                   $19,005.00

* For the purpose of calculating the filing fee only, this amount is based on
the exchange for all $150 million of the existing and outstanding 3.375%
Convertible Senior Notes due 2023 for $150 million of new 3.375% Convertible
Senior Notes due 2023.

** The amount of the filing fee calculated in accordance with the Securities 
Exchange Act of 1934, as amended equals $126.70 for each $1,000,000 of value.

    [ ] Check the box if any part of the fee is offset as provided by Rule
0-11(a)(2) and identify the filing with which the offsetting fee was previously
paid. Identify the previous filing by registration statement number, or the Form
or Schedule and the date of its filing.

                              Amount Previously Paid:
                                                     ------------------------
                              Form or Registration No.:
                                                       ----------------------
                              Filing Party:
                                           ----------------------------------
                              Date Filed:
                                         ------------------------------------

    [ ] Check the box if the filing relates solely to preliminary communications
made before the commencement of a tender offer.

    Check the appropriate boxes below to designate any transactions to which the
    statement relates:
    [ ] third-party tender offer subject to Rule 14d-1.
    [X] issuer tender offer subject to Rule 13e-4.
    [ ] going-private transaction subject to Rule 13e-3.
    [ ] amendment to Schedule 13D under Rule 13d-2.

    Check the following box if the filing is a final amendment reporting the
results of the tender offer: [ ]







All information in the Offering Memorandum dated November 9, 2004 attached
hereto as Exhibit 12(a)(1) (the "Offering Memorandum") is incorporated herein by
reference in answer to some or all of the items below.

ITEM 1.  SUMMARY TERM SHEET.

     The information set forth in the Offering Memorandum, most specifically
under the section captioned "Summary Term Sheet" is incorporated herein by
reference.

ITEM 2.  SUBJECT COMPANY INFORMATION.

     a)     The information set forth in the Offering Memorandum, most
            specifically under the section captioned "Where You Can Find More
            Information."
     b)     The subject class of equity securities is the 3.375% Convertible
            Senior Notes due 2023 (the "Senior Notes") of CMS Energy
            Corporation. As of the date of this Schedule, there was outstanding
            $150 million aggregate principal amount of Senior Notes.
     c)     The Senior Notes are not listed on any national securities exchange
            or authorized to be quoted in any inter-dealer quotation system of
            any national securities association. Certain institutions and
            securities dealers do provide quotations for and engage in
            transactions in the Senior Notes. However, there is no established
            trading market for the Senior Notes, other than through these
            limited or sporadic quotations.

ITEM 3.  IDENTITY AND BACKGROUND OF FILING PERSON.

     The principal executive offices of the filing person, CMS Energy
Corporation, are located at One Energy Plaza, Jackson, Michigan 49201, and its
telephone number is (517) 788-0550.

     Pursuant to General Instruction C to Schedule TO promulgated by the United
States Securities and Exchange Commission, the following persons are the
directors and/or executive officers of CMS Energy Corporation:

     Kenneth Whipple                Chairman of the Board
     David W. Joos                  President, Chief Executive Officer and
                                    Director
     S. Kinnie Smith, Jr.           Vice Chairman of the Board and General
                                    Counsel
     Thomas J. Webb                 Executive Vice President and Chief Financial
                                    Officer
     David G. Mengebier             Senior Vice President, Governmental and
                                    Public Affairs/Community Services
     John F. Drake                  Senior Vice President, Human Resource and
                                    Administrative Services
     Glenn P. Barba                 Vice President, Controller and Chief
                                    Accounting Officer
     Thomas W. Elward               President and Chief Operating Officer of CMS
                                    Enterprises Company
     John G. Russell                President and Chief Operating Officer of
                                    Consumers Energy Company
     Merribel S. Ayers              Director
     Earl D. Holton                 Director
     Michael T. Monahan             Director
     Joseph F. Paquette, Jr.        Director
     William U. Parfet              Director
     Percy A. Pierre                Director
     Kenneth L. Way                 Director
     John B. Yasinsky               Director

     The address of each director and/or executive officer listed above is c/o
CMS Energy Corporation, One Energy Plaza, Jackson, Michigan 49201, and each such
person's telephone number is (517) 788-0550.

ITEM 4.  TERMS OF THE TRANSACTION.

     a)     The information set forth in the Offering Memorandum, most
            specifically under the sections captioned "The Exchange Offer" and
            "Description of the New Notes" is incorporated herein by reference.

     b)     None of the securities are to be purchased from any officer,
            director, or affiliate of CMS Energy Corporation.




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ITEM 5.  PAST CONTACTS, TRANSACTIONS, NEGOTIATIONS AND AGREEMENTS.

     e)      The information set forth in the Offering Memorandum, most
             specifically under the section captioned "CMS Energy -- Agreements
             Relating to Our Securities" is incorporated herein by reference.

ITEM 6.  PURPOSES OF THE TRANSACTION AND PLANS OR PROPOSALS.

     a)      The information set forth in the Offering Memorandum, most
             specifically under the section captioned "Summary Term Sheet -- Why
             are we making the Exchange Offer?" is incorporated herein by
             reference.
     b       The securities acquired pursuant to the Exchange Offer will be
             retired.
     c)      Not applicable.

ITEM 7.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

     a)      The information set forth in the Offering Memorandum, most
             specifically under the section captioned "The Exchange Offer" is
             incorporated herein by reference.
     b)      The information set forth in the Offering Memorandum, most
             specifically under the section captioned "The Exchange Offer" is
             incorporated herein by reference.
     d)      Not applicable.

ITEM 8.  INTEREST IN SECURITIES OF THE SUBJECT COMPANY.

     a)      None of the persons named in Item 3 above (in response to Item 1003
             of Regulation M-A), nor any associates or majority-owned
             subsidiaries of such persons, beneficially owns any of the subject
             securities.
     b)      None.

ITEM 9.  PERSONS/ASSETS, RETAINED, EMPLOYED, COMPENSATED OR USED.

     a)      No persons or classes of persons have been directly or indirectly
             employed, retained, or are to be compensated to make solicitations
             or recommendations in connection with the Exchange Offer.

ITEM 10.  FINANCIAL STATEMENTS.

     a)  Financial Information.  The following financial statements and
         financial information are incorporated herein by reference:
         1)       The audited consolidated financial statements of CMS Energy
                  Corporation set forth in CMS Energy Corporation's Annual
                  Report on Form 10-K/A for the fiscal year ended December 31,
                  2003.
         2)       The unaudited condensed consolidated financial statements of
                  CMS Energy Corporation set forth in CMS Energy Corporation's
                  Quarterly Report on Form 10-Q for the fiscal quarter ended
                  September 30, 2004.
         3)       The information set forth in the Offering Memorandum, most
                  specifically the section captioned "Ratio of Earnings to Fixed
                  Charges."
         4)       The information set forth in the Offering Memorandum, most
                  specifically in the section captioned "Book Value Per Share."
         Copies of the financial statements incorporated herein by reference
         pursuant to clauses (1) and (2) of this paragraph 10(a) can be obtained
         as provided in the section of the Offering Memorandum captioned "Where
         You Can Find More Information."
     b)  Not Material.

ITEM 11.  ADDITIONAL INFORMATION.

     a)  Agreements, regulatory requirements and legal proceedings.
         1)       None.
         2)       The Senior Notes will be issued pursuant to a supplement to
                  the Indenture dated as of September 15, 1992 between CMS
                  Energy and NBD Bank, as Trustee that CMS Energy has previously
                  qualified under the Trust Indenture Act of 1939, as amended.



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      3)       Not applicable.
      4)       Not applicable.
      5)       Not applicable.
  b) Other material information.  None.

ITEM 12.  EXHIBITS.

  (a)(1)       Offering Memorandum dated November 9, 2004.
  (a)(2)       Letter of Transmittal.
  (a)(3)       Letter to Holders.
  (a)(4)       Notice of Guaranteed Delivery.
  (a)(5)       Guidelines for Certification of Taxpayer Identification Number on
               Substitute Form W-9.
  (a)(6)       News Release dated November 9, 2004.
  (b)          None.
  (d)(1)       Indenture dated as of September 15, 1992 between CMS Energy
               and NBD Bank, as Trustee (previously filed as exhibit (4)(a)
               to Form S-3 filed May 1, 1992).
  (d)(2)       - Thirteenth Supplemental Indenture dated July 16, 2003 
              (previously filed as exhibit (4)(e)(i) to 2003 Form 10-K).
  (d)(3)       - Form of Fifteenth Supplemental Indenture relating to the
               issuance of new securities to be exchanged for the Senior Notes.
  (d)(4)       Certificate of Designation to CMS Energy Articles of
               Incorporation filed with the Michigan Department of Consumer &
               Industry Services, Bureau of Commercial Services on December
               4, 2003 (previously filed with the Restated Articles of
               Incorporation of CMS Energy as exhibit (99)(a) to Form 8-K
               filed June 3, 2004).
  (d)(5)       Warrant for the Purchase of Shares of Common Stock issued by CMS
               Energy to Miller Buckfire Lewis & Co., LLC on May 6, 2003.
  (d)(6)       Warrant for the Purchase of Shares of Common Stock issued by CMS
               Energy to Dresdner Kleinwort Wasserstein, Inc. on May 6, 2003.
  (d)(7)       Annual Officer Incentive Compensation Plan for CMS Energy
               Corporation and its Subsidiaries effective January 1, 2003
               (previously filed as exhibit (10)(i) to 2003 Form 10-K).
  (d)(8)       Supplemental Executive Retirement Plan for Employees of CMS
               Energy/Consumers Energy Company effective January 1, 1982, as
               amended December 3, 1999 (previously filed as exhibit (10)(h)
               to 1999 Form 10-K).
  (d)(9)       CMS Energy Corporation Policy on Change in Control Agreements
               and Employment Contracts (previously filed as exhibit (10)(b)
               to Form 10-Q for the quarter ended June 30, 2004).
  (d)(10)      CMS Energy Corporation Performance Incentive Stock Plan
               (previously filed as exhibit (99)(b) to Form 8-K filed June 3,
               2004).
  (g)          None.
  (h)          None.








                                    SIGNATURE

After due inquiry and to the best of my knowledge and belief, I certify that the
information set forth in this statement is true, complete and correct.



      /s/ Thomas J. Webb
--------------------------------------------
(Name)  Thomas J. Webb
(Title) Executive Vice President
        Chief Financial Officer


      November 9, 2004
--------------------------------------------
(Date)





















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