Statement of Changes of Beneficial Ownership

FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2008
Estimated average burden
hours per response... 0.5
                      
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

MACFARLANE CHARLES S 		2. Issuer Name and Ticker or Trading Symbol

OTTER TAIL CORP [ OTTR ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
President, Otter Tail Power Co
(Last)          (First)          (Middle)

215 S CASCADE ST 		3. Date of Earliest Transaction (MM/DD/YYYY)

4/14/2008
(Street)

FERGUS FALLS, MN 56537-2801
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock                  20445.9639   (1) D    
Common Stock                  874.3026   I   ESOP  
Common Stock                  166.6236   I   By son and daughter  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (right to buy)     (2) 4/14/2008     A  (3)   V 3550       4/8/2012   4/8/2012   Common Stock   3550   $0.00   3550   D    
Stock Options (right to buy)   $29.74                   12/10/2002   (4) 12/10/2011   Common Stock   10000     10000   D    
Stock Options (right to buy)   $27.245                   4/14/2004   (4) 4/14/2013   Common Stock   8000     8000   D    
Stock Options (right to buy)   $26.495                   10/12/2004   (5) 4/12/2014   Common Stock   3000     3000   D    
Stock Options (right to buy)   $24.93                   10/11/2005   (5) 4/11/2015   Common Stock   3000     3000   D    
Restricted Stock Units (right to buy)     (2)                 4/8/2010   4/8/2010   Common Stock   4300     4300   D    
Restricted Stock Units (right to buy)     (2)                 4/8/2011   4/8/2011   Common Stock   3450     3450   D    

Explanation of Responses:
( 1)  Total direct holdings include shares held in the Dividend Reinvestment Plan, shares acquired through the Employee Stock Purchase Plan and shares acquired pursuant to Restricted Stock Award distributions.
( 2)  1 -for -1
( 3)  Restricted Stock Units acquired under the Corporation's Stock Incentive Plan. The 3,550 units were granted 4/14/2008 and vest 100% on 4/8/2012 based on continued employment and carry no voting rights or rights to dividends prior to vesting date.
( 4)  Stock options vest in cumulative annual installments of 25% beginning the date shown.
( 5)  Stock options vest 100% six months from the date of the grant.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MACFARLANE CHARLES S
215 S CASCADE ST
FERGUS FALLS, MN 56537-2801

President, Otter Tail Power Co

Signatures
/s/ Charles S MacFarlane by Debra J Lill, Attorney-in-Fact 4/16/2008
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.