NOTICE OF GUARANTEED DELIVERY
                                  FOR TENDER OF
                          7 3/8% SENIOR NOTES DUE 2009
                                       OF
                         ALLIANT ENERGY RESOURCES, INC.

     This Notice of Guaranteed Delivery, or one substantially equivalent to this
form,  must be used to accept the Exchange  Offer of Alliant  Energy  Resources,
Inc. (the "Company") made pursuant to the Prospectus  dated  ____________,  1999
(the  "Prospectus")  if certificates for the outstanding 7 3/8% Senior Notes due
2009 of the Company (the "Existing Senior 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  Firstar  Bank,
N.A., as exchange  agent (the  "Exchange  Agent"),  prior to 5:00 P.M., New York
City  time,  on the  Expiration  Date of the  Exchange  Offer.  This  Notice  of
Guaranteed  Delivery may be delivered or transmitted by facsimile  transmission,
overnight  courier,  mail or hand  delivery to the  Exchange  Agent as set forth
below.  In addition,  in order to utilize the guaranteed  delivery  procedure to
tender Existing Senior Notes pursuant to the Exchange Offer, a completed, signed
and dated Letter of Transmittal (or facsimile  thereof) must also be received by
the Exchange  Agent prior to 5:00 P.M.,  New York City time,  on the  Expiration
Date. Capitalized terms not defined herein are defined in the Prospectus.

     The Exchange Agent for the Exchange Offer is Firstar Bank, N.A.


        By Facsimile Transmission           By Registered or Certified Mail,
    (For Eligible Institutions Only):          Hand or overnight Courier:
             (414) 276-4226                        Firstar Bank, N.A.
                                              1555 North RiverCenter Drive
          Confirm by Telephone:                         Suite 301
             (414) 905-5008                    Milwaukee, Wisconsin 53212
                                              Attention: Ms. Pamela Warner


     DELIVERY OF THIS  NOTICE 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.

     THIS NOTICE IS NOT TO BE USED TO GUARANTEE SIGNATURES.  IF A SIGNATURE ON A
LETTER OF  TRANSMITTAL  IS REQUIRED TO BE GUARANTEED BY AN ELIGIBLE  INSTITUTION
UNDER THE  INSTRUCTIONS  THERETO,  THE SIGNATURE  GUARANTEED  MUST APPEAR IN THE
APPLICABLE SPACE PROVIDED IN THE SIGNATURE BOX ON THE LETTER OF TRANSMITTAL.

<PAGE>


Ladies and Gentlemen:

     Upon the terms and subject to the  conditions  set forth in the  Prospectus
and the accompanying  Letter of Transmittal,  the undersigned  hereby tenders to
the Company the  principal  amount of  Existing  Senior  Notes of the series set
forth below pursuant to the  guaranteed  delivery  procedures  described in "The
Exchange Offer Guaranteed Delivery Procedures" section of the Prospectus.

___________________________________  _________________________________________
                                     If Existing Senior Notes will be delivered
Total Principal Amount of Existing   by book-entry transfer  to  The  Depository
   Senior Notes Tendered:*           Trust Company, provide account number.

           $__________                   Account Number ___________________

  Certificate Nos. (if available)

  _______________________________

___________________________________  _________________________________________

*    Must be in  denominations  of  principal  amount of $1,000 and any integral
     multiple thereof.

     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______________________________         _______________________________

     X______________________________         _______________________________
        Signature(s) of Owner(s)                        Date
        or Authorized Signatory

Area Code and Telephone Number(s):___________________________________________

     Must be signed by the  registered  holder(s)  of Existing  Senior  Notes as
their name(s)  appear(s) on the Existing Senior 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, please provide the following information.

                      Please print name(s) and address(es)

Name(s):________________________________________________________________________

________________________________________________________________________________

Capacity:_______________________________________________________________________

Address(es):____________________________________________________________________

________________________________________________________________________________

Telephone Number: ______________________________________________________________


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<PAGE>

                                    GUARANTEE
                    (Not to be used for signature guarantee)

     The  undersigned,  a firm or other entity  identified in Rule 17Ad-15 under
the Exchange Act as an "eligible guarantor institution" including (as such terms
are defined  therein) (i) a bank,  (ii)  broker,  dealer,  municipal  securities
broker or dealer  or  government  securities  broker or  dealer,  (iii) a credit
union, (iv) a national securities exchange, registered securities association or
clearing  agency,  or (v) a  savings  association  that  is a  participant  in a
Securities Transfer Association (an "Eligible  Institution"),  hereby guarantees
that the certificates representing the principal amount of Existing Senior Notes
tendered  hereby in proper  form for  transfer,  or timely  confirmation  of the
book-entry  transfer of such  Existing  Senior Notes into the  Exchange  Agent's
account at The Depository  Trust Company pursuant to the procedures set forth in
"The Exchange Offer Guaranteed  Delivery  Procedures" section of the Prospectus,
together with any required signature  guarantee and any other documents required
by the Letter of  Transmittal,  will be  received by the  Exchange  Agent at the
address set forth  above,  no later than three New York Stock  Exchange  trading
days after the Expiration Date.

________________________________________________________________________________


_____________________________________    _______________________________________
            Name of Firm                         Authorized Signature


_____________________________________    _______________________________________
             Address                                  Title


_____________________________________    Name:__________________________________
             Zip Code                            (Please Type or Print)


_____________________________________    Dated:_________________________________
         Telephone Number
________________________________________________________________________________


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



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