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                                                                   EXHIBIT 99(c)
 
                         NOTICE OF GUARANTEED DELIVERY
                                 FOR TENDER OF
    SENIOR NOTES, 6.20% RESET PUT SECURITIES (REPS)(SM), SERIES A, DUE 2008
                      (INCLUDING THOSE IN BOOK-ENTRY FORM)
 
                                       OF
 
                            CONSUMERS ENERGY COMPANY
 
     This form or one substantially equivalent hereto must be used to accept the
Exchange Offer of Consumers Energy Company (the "Company") made pursuant to the
Prospectus, dated             , 1998 (the "Prospectus"), if certificates for the
outstanding Senior Notes, 6.20% Reset Put Securities (REPS)(SM), Series A, Due
2008 of the Company (the "Notes") are not immediately available or if the
procedure for book-entry transfer cannot be completed on a timely basis or time
will not permit all required documents to reach the Exchange Agent prior to 5:00
p.m., New York time, on the Expiration Date of the Exchange Offer. Such form may
be delivered or transmitted by telegram, telex, facsimile transmission, mail or
hand delivery to The Chase Manhattan Bank (the "Exchange Agent") as set forth
below. In addition, in order to utilize the guaranteed delivery procedure to
tender Notes pursuant to the Exchange Offer, a completed, signed and dated
Letter of Transmittal (or facsimile thereof) as well as all tendered Notes in
proper form for transfer (or a confirmation of book-entry transfer of such Notes
into the Exchange Agent's account at the Depository Trust Company) and all other
documents required by the Letter of Transmittal must also be received by the
Exchange Agent within three New York Stock Exchange trading days after the
Expiration Date. Capitalized terms not defined herein are defined in the
Prospectus.
 
                    THE CHASE MANHATTAN BANK, EXCHANGE AGENT
 
  By Mail, (Certified, Registered, Overnight or First Class) or Hand Delivery:
                            The Chase Manhattan Bank
                           55 Water Street, Room 234
                                 North Building
                            New York, New York 10041
 
                                 By Facsimile:
                        (For Eligible Institutions Only)
                                 (212) 638-7380
 
                                Telephone Number
                                 (212) 638-0828
 
  DELIVERY OF THIS INSTRUMENT TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE, OR
 TRANSMISSION OF INSTRUCTIONS VIA FACSIMILE OTHER THAN AS SET FORTH ABOVE, WILL
                        NOT CONSTITUTE A VALID DELIVERY.
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Ladies and Gentlemen:
 
     Upon the terms and conditions set forth in the Prospectus and the
accompanying Letter of Transmittal, the undersigned hereby tenders to the
Company the principal amount of Notes set forth below, pursuant to the
guaranteed delivery procedure described in "The Exchange Offer -- Guaranteed
Delivery Procedures" section of the Prospectus.
 
Principal Amount of Notes Tendered: (1)
 
          $
- ------------------------------------------------------------
 
(1) Must be in denominations of principal amount of $1,000 and any integral
    multiple thereof
 
Certificate Nos. (if available):
 
- --------------------------------------------------------------------------------
 
Total Principal Amount Represented by Certificate(s):
 
          $
- --------------------------------------------------------------------------------
 
     All authority herein conferred or agreed to be conferred shall survive the
death or incapacity of the undersigned and every obligation of the undersigned
hereunder shall be binding upon the heirs, personal representatives, successors
and assigns of the undersigned.
 
                                PLEASE SIGN HERE
 

                                                             
x
- ------------------------------------------------------------    ---------------------------------------
 
- ------------------------------------------------------------    ---------------------------------------
                                                                                 DATE
 SIGNATURE(S) OF OWNER(S) OR AUTHORIZED SIGNATORY

 
Area Code and Telephone Number:
- ---------------------------------------------------
 
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     Must be signed by the holder(s) of Notes as their name(s) appear(s) on
certificates for Notes or on a security position listing, or by person(s)
authorized to become registered holder(s) by endorsement and documents
transmitted with this Notice of Guaranteed Delivery. If signature is by a
trustee, executor, administrator, guardian, attorney-in-fact, officer or other
person acting in a fiduciary or representative capacity, such person must set
forth his or her full title below. If Notes will be delivered by book-entry
transfer to The Depository Trust Company, provide account number.
 
                      Please print name(s) and address(es)
 

                    
Name(s)                -----------------------------------------------------------------------------------------------------
                       -----------------------------------------------------------------------------------------------------
                       -----------------------------------------------------------------------------------------------------
                       -----------------------------------------------------------------------------------------------------
Capacity:              -----------------------------------------------------------------------------------------------------
                       -----------------------------------------------------------------------------------------------------
Address(es):           -----------------------------------------------------------------------------------------------------
                       -----------------------------------------------------------------------------------------------------
Account Number:        -----------------------------------------------------------------------------------------------------

 
                                   GUARANTEE
                    (NOT TO BE USED FOR SIGNATURE GUARANTEE)
 
     The undersigned, a financial institution (including most banks, savings and
loan associations and brokerage houses) that is a participant in the Securities
Transfer Agents Medallion Program, the New York Stock Exchange Medallion
Signature Program or the Stock Exchanges Medallion Program, hereby guarantees
that the undersigned will deliver to the Exchange Agent the certificates
representing the Notes being tendered hereby or confirmation of book-entry
transfer of such Notes into the Exchange Agent's account at The Depository Trust
Company, in proper form for transfer, together with any other documents required
by the Letter of Transmittal within three New York Stock Exchange trading days
after the Expiration Date.
 

                                                  
Name of Firm
  ----------------------------------------           Authorized Signature
                                                     ---------------------------------
Address
- ----------------------------------------------
                                                     Name
                                                     ----------------------------------------------
                                                            (PLEASE TYPE OR PRINT)
- ----------------------------------------------       Title
                                                     ----------------------------------------------
Area Code &                                          Date
                                                     ----------------------------------------------
Telephone No.
  ----------------------------------------

 
NOTE:  DO NOT SEND CERTIFICATES OF NOTES WITH THIS FORM. CERTIFICATES OF NOTES
       SHOULD BE SENT ONLY WITH A COPY OF THE PREVIOUSLY EXECUTED LETTER OF
       TRANSMITTAL.
 
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