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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


August 18, 2006

Date of report (date of earliest event reported)




Commission

File No.

Name of Registrant, State of Incorporation, Address

of Principal Executive Offices and Telephone No.

IRS Employer

Identification No.

000-49965

MGE Energy, Inc.

(a Wisconsin Corporation)

133 South Blair Street

Madison, Wisconsin 53703

(608) 252-7000

www.mgeenergy.com

39-2040501



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 8.01. Other Events.


On August 18, 2006, MGE Energy, Inc. (the Company) issued a press release announcing an increase in its regular quarterly dividend on its outstanding shares of common stock. The release announced the declaration of a quarterly dividend of $0.3483 per share, payable on September 15, 2006, to shareholders of record as of September 1, 2006. The Company is filing a copy of that press release as Exhibit 99.1 to this report.


Item 9.01. Financial Statements and Exhibits.


(a)

Financial statements of business acquired:

Not applicable


(b)

Pro forma financial information:

Not applicable


(c)

The following exhibit is included with this report:

Exhibit No. 99.1 - Press release of MGE Energy, Inc., issued on August 18, 2006.


Signature


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.


MGE Energy, Inc.

(Registrant)



/s/ Jeffrey C. Newman

Jeffrey C. Newman

Vice President and Treasurer


Date: August 18, 2006


MGE Energy, Inc.


Exhibit Index to Form 8-K

Dated August 18, 2006


Exhibit No. 99.1. Press release of MGE Energy, Inc., issued on August 18, 2006.