Sec Form 4 Filing - Thoren Diane C @ AVISTA CORP - 2013-01-02

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 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(h) of the Investment Company Act of 1940

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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/YY) 01/02/2013 (Street) SPOKANE, WA99202 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 - 2010 Restricted Shares Award 01/02/2013 F 44 ( 1 ) D $ 24.57 4,331 D Common Stock - 2011 Restricted Shares Award 01/02/2013 F 88 ( 2 ) D $ 24.57 4,243 D Common Stock - 2012 Restricted Shares Award 01/02/2013 F 60 ( 3 ) D $ 24.57 4,183 D Common Stock held in 401(k) 4,761 I by Trustee Common Stock Executive Deferral Account 1,012 I by Trustee Common Stock held by grandson, Zachary Brown 41 I by grandson, Z Brown Common Stock held by niece, Katherine Cuthill 41 I by niece, K Cuthill Common Stock held by niece, McIntyre Cuthill 13 I by niece, McIntyre Cuthill Common Stock held by granddaughter, McKenzie Brown 25 I by granddaughter, M Brown Common Stock held by grandson, Colton Materne 15 I by grandson, C Materne Common Stock held by granddaughter, Avery Materne 7 I by granddaughter, A Materne

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Thoren Diane C 1411 E. MISSION AVENUE SPOKANE, WA99202 Treasurer Signatures /s/ Diane C Thoren 01/04/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares sold to pay income tax on final 1/3 of 2010 Restricted Shares that vested on 1/2/2013 ( 2 )Shares sold to pay income tax on second 1/3 and final 1/3 of 2011 Restricted Shares that vested on 1/2/2013 due to early retirement. ( 3 )Shares sold to pay income tax on entire 2012 Restricted Shares due to early retirement.

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).

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