Form 8-K 04/30/09

UNITED STATES

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 30, 2009

 

 

Alliant Energy Corporation

(Exact name of registrant as specified in its charter)

 

 

Wisconsin

1-9894

39-1380265

(State or other jurisdiction

(Commission

(IRS Employer

of incorporation)

File Number)

Identification No.)

 

 

 

4902 North Biltmore Lane, Madison, Wisconsin

53718

(Address of principal executive offices)

(Zip Code)

 

Registrant’s telephone number, including area code

(608) 458-3311

 

 

 

(Former name or former address, if changed since last report.)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

[

] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

[

] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

[

] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

[

] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Item 2.02

Results of Operations and Financial Condition.

 

On April 30, 2009, Alliant Energy Corporation (the “Company”) issued a press release announcing its earnings for the first quarter ended March 31, 2009. Alliant Energy included 2009 first quarter earnings per share excluding non-recurring state income tax impacts, which is a non-GAAP (accounting principles generally accepted in the United States of America) financial measure. Alliant Energy reported this non-GAAP financial measure as an alternate measure to enable investors to better understand the operating performance of Alliant Energy by excluding a non-cash, non-recurring financial impact. A copy of such press release is furnished as Exhibit 99.1 and is incorporated by reference herein.

 

Item 9.01

Financial Statements and Exhibits.

 

 

(a)

Not applicable.

 

(b)

Not applicable.

 

(c)

Not applicable.

 

(d)

Exhibits. The following exhibits are being furnished herewith:

 

(99.1)

Alliant Energy Corporation press release dated April 30, 2009.

 

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 30, 2009

By:    /s/ Thomas L. Hanson

 

Thomas L. Hanson

 

Vice President-Controller and

 

Chief Accounting Officer

 

 

 

ALLIANT ENERGY CORPORATION

 

Exhibit Index to Current Report on Form 8-K

Dated April 30, 2009

 

Exhibit Number

 

(99.1)

Alliant Energy Corporation press release dated April 30, 2009.