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
                                                                                  
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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 *

Thoren Diane C 		2. Issuer Name and Ticker or Trading Symbol

AVISTA CORP [ AVA ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
_____ Officer (give title below)      __ X __ Other (specify below)
Treasurer
(Last)          (First)          (Middle)

1411 E. MISSION AVENUE 		3. Date of Earliest Transaction (MM/DD/YYYY)

1/10/2012
(Street)

SPOKANE, WA 99202
(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 Performance Shares   1/10/2012     M    1620   A   (1) 4587   D    
Common Stock Performance Shares   1/10/2012     F    497   (2) D $25.22   4090   D    
Common Stock held in 401(k) Investment Plan                  4551   (3) I   held by Trustee  
Common Stock held in Executive Deferral Account                  975   I   held by Trustee  
Common Stock held by Grandson, Zachary Brown                  39   I   held by Grandson  
Common Stock held by Niece, Katherine Cuthill                  39   I   held by Niece  
Common Stock held by Niece, McIntyre Cuthill                  13   I   held by Niece  
Common Stock held by Granddaughter, McKenzie Brown                  24   I   held by Granddaughter  
Common Stock held by Grandson, Colton Materne                  14   I   held by Grandson  
Common Stock held by Granddaughter, Avery Materne                  7   I   held by Granddaughter  

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
Conversion of 2009 Performance Shares     (1) 1/10/2012     M         1800      (1)   (1) Common Stock   1800     (1) 0   D    

Explanation of Responses:
( 1)  Each performance share represents a contingent right to receive a share of Avista Common Stock upon Avista achieving a specified performance measure.
( 2)  Shares withheld to pay income tax on Performance Shares acquired 1/10/2012.
( 3)  Estimate as of December 31, 2011

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Thoren Diane C
1411 E. MISSION AVENUE
SPOKANE, WA 99202


Treasurer

Signatures
/s/ Diane C Thoren 1/12/2012
** 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.
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