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):        April 7, 2000


                           Alliant Energy Corporation
             (Exact name of registrant as specified in its charter)


   Wisconsin                       1-9894                         39-1380265
- ---------------               ----------------               -------------------
(State or other               (Commission File                  (IRS Employer
jurisdiction of                    Number)                   Identification No.)
incorporation)


              222 West Washington Avenue, Madison, Wisconsin 53703
          ------------------------------------------------------------
          (Address of principal executive offices, including zip code)


                                 (608) 252-3311
                         -------------------------------
                         (Registrant's telephone number)







Item 5.   Other Events.

          On April 7, 2000,  Alliant Energy  Corporation  issued a press release
announcing that it will incur a first quarter non-cash accounting charge. A copy
of such press release is filed as Exhibit 99.1 and is  incorporated by reference
herein.

Item 7.   Financial Statements and Exhibits.

          1.  Not applicable.

          2.  Not applicable.

          3.  Exhibits. The following exhibits are being filed herewith:

              (99.1) Alliant Energy Corporation  Press  Release  dated  April 7,
                     2000.



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                                   SIGNATURES

          Pursuant to the  requirements of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                      ALLIANT ENERGY CORPORATION



Date:  April 7, 2000                   By:  /s/ Daniel A. Doyle
                                          --------------------------------------
                                            Daniel A. Doyle
                                            Vice President, Chief Accounting and
                                            Financial Planning Officer



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                           ALLIANT ENERGY CORPORATION

                   Exhibit Index to Current Report on Form 8-K
                               Dated April 7, 2000


Exhibit
Number

(99.1)    Alliant Energy Corporation Press Release dated April 7, 2000.




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