SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


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In the Matter of                                     CERTIFICATE
Alliant Energy Corporation, et al.                   PURSUANT TO
                                                     RULE 24
File No.

(Public Utility Holding Company Act of 1935)
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     This Certificate of Notification  (the  "Certificate")  is filed by Alliant
Energy Corporation  ("Alliant  Energy"),  a registered holding company under the
Public  Utility  Holding  Company Act of 1935,  as amended (the "Act"),  and its
wholly-owned  subsidiary,  Alliant  Energy  Resources,  Inc.  ("Resources"),  in
connection    with    the    transactions    proposed    in   the    Form    U-1
Application-Declaration (the "Application-Declaration"),  as amended, of Alliant
Energy and Resources (collectively, the "Applicants") in File No. 70-9455. These
transactions were authorized by order of the Securities and Exchange  Commission
(the  "Commission")  dated August 26, 1999 (the "Order").  The Applicants hereby
certify the  matters set forth below  pursuant to Rule 24 of the rules under the
Act:

a.   The sales of Common  Stock of  Alliant  Energy and the  purchase  price per
     share and the market price per share at the date of the agreement of sale.

        ANSWER:
        None

b.   The total  number  of  shares of  Alliant  Energy  Common  Stock  issued or
     issuable under options  granted  during the quarter under Alliant  Energy's
     benefit plans or otherwise.

        ANSWER:
        None

c.   If Common Stock has been transferred to a seller of securities of a company
     being  acquired,  the number of shares so  issued,  the value per share and
     whether the shares are restricted to the acquiror.

        ANSWER:
        None


d.   The names of the guarantors and of the beneficiary of any Guaranteed  Note,
     Alliant Energy Guarantee or Non-utility  Subsidiary Guarantee issued during
     the quarter, and the amount, terms and purpose of the guarantee.

        ANSWER:

        See Exhibit A.


e.   The amount and terms of any Debentures issued during the quarter.

        ANSWER
        None

f.   The  amount  and  terms of any  financings  consummated  by any  Nonutility
     Subsidiary during the quarter that are not exempt under Rule 52.

        ANSWER:
        None.

g.   The  notional  amount and  principal  terms of any  Interest  Rate Hedge or
     Anticipatory  Hedge entered into during the quarter and the identity of the
     parties to such instruments.

        ANSWER
        None

h.   The name,  parent  company,  and amount  invested  in any new  Intermediate
     Subsidiary or Financing Subsidiary during the quarter.

        ANSWER:


Parent                                  Subsidiary                   Amount Invested
------------------------------------------------------------------------------------------
                                                                 

Wisconsin Power
and Light Company
(WP&L)                              WPL SPE LLC                        $20,000

IES Utilities Inc.
(IES)                               IESU SPE LLC                       $20,000

Interstate Power
Company   (IPC)                     IPC SPE LLC                        $20,000

WP&L, IES,
and IPC  (each                      Alliant Energy
owning 1/3)                         SPE LLC                            $15,000



i.   A list of U-6B-2 forms  (Certificate of the issuance,  renewal or guarantee
     of a security  exempted  from  provisions  of Section  6(a)) filed with the
     Commission during the quarter,  including the name of the filing entity and
     the date of filing.

        ANSWER:

        Alliant Energy Corporate Services, Inc.         August 13, 2001

j.   Consolidated  balance  sheets  as of the end of the  quarter  and  separate
     balance  sheets as of the end of the  quarter for each  company,  including
     Alliant Energy, that has engaged in jurisdictional  financing  transactions
     during the quarter.

        ANSWER: The balance  sheets of Alliant  Energy and Resources as of
     June 30, 2001 are in the  10-Q  filing  for the  quarter  ended
     June  30,  2001  and are incorporated herein by reference.


k.   Additional investments in Energy Assets were as follows:

     For investments made by Whiting Petroleum Corporation in the second quarter
     of 2001, see Exhibit B.



                                S I G N A T U R E

     Pursuant to the  requirements  of the Public Utility Holding Company Act of
1935, as amended, the undersigned companies have duly caused this Certificate to
be signed on their behalf by the undersigned thereunto duly authorized.

                           ALLIANT ENERGY CORPORATION



                       By: ______________________________
                           Name: Enrique Bacalao
                           Title: Assistant Treasurer


August 29, 2001