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): February 2, 2009

OTTER TAIL CORPORATION

(Exact name of registrant as specified in its charter)

Minnesota	0-00368	41-0462685
(State or other jurisdiction	(Commission	(I.R.S. Employer
of incorporation)	File Number)	Identification No.)

215 South Cascade Street, P.O. Box 496, Fergus Falls, MN	56538-0496
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (866) 410-8780

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:

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

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

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

o 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 February 2, 2009 Otter Tail Corporation issued a press release announcing 2008 earnings, quarterly dividend, and 2009 earnings guidance, a copy of which is furnished herewith as Exhibit 99.1.

Item 9.01 Financial Statement and Exhibits

     (d) Exhibits

99.1 Press Release issued February 2, 2009

2

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, thereunto duly authorized.

	OTTER TAIL CORPORATION
Date: February 3, 2009
	By	/s/ Kevin G. Moug
		Kevin G. Moug
		Chief Financial Officer

3

EXHIBIT INDEX

Exhibit	Description of Exhibit
99.1	Press release, dated February 2, 2009

4