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                                  UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-K/A

(Mark One)
[X]    ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
             ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2000 OR
                                                   -----------------

[ ]      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
        EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM _____ TO _______

                          COMMISSION FILE NUMBER 1-3701

                               AVISTA CORPORATION
- --------------------------------------------------------------------------------
             (Exact name of Registrant as specified in its charter)

                   Washington                               91-0462470
- ------------------------------------------       -------------------------------
         (State or other jurisdiction of                (I.R.S. Employer
         incorporation or organization)                Identification No.)

1411 East Mission Avenue,  Spokane, Washington                   99202-2600
- ------------------------------------------------            --------------------
  (Address of principal executive offices)                       (Zip Code)

         Registrant's telephone number, including area code: 509-489-0500
                                                             ------------
                       Web site: http://www.avistacorp.com


           SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

                                                         Name of Each Exchange
                 Title of Class                           on Which Registered
- ---------------------------------------------------     ------------------------
    Common Stock, no par value, together with            New York Stock Exchange
Preferred Share Purchase Rights appurtenant thereto      Pacific Stock Exchange

7 7/8% Trust Originated Preferred Securities, Series A   New York Stock Exchange


           SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

                                 Title of Class
                                 --------------
                 Preferred Stock, Cumulative, Without Par Value

Indicate by check mark whether the Registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the Registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days:

                                 Yes [X] No [ ]


Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K (Section 229.405 of this chapter) is not contained herein, and
will not be contained, to the best of Registrant's knowledge, in definitive
proxy or information statements incorporated by reference in Part III of this
Form 10-K or any amendment to this Form 10-K. [ ]

The aggregate market value of the Registrant's outstanding Common Stock, no par
value (the only class of voting stock), held by non-affiliates is
$743,889,494.25, based on the last reported sale price thereof on the
consolidated tape on February 28, 2001.

At February 28, 2001, 47,231,079 shares of Registrant's Common Stock, no par
value (the only class of common stock), were outstanding.

                       Documents Incorporated By Reference
                       -----------------------------------

                                                  Part of Form 10-K into Which
                Document                            Document is Incorporated
- ---------------------------------------         --------------------------------
    Proxy Statement to be filed in                   Part III, Items 10, 11,
  connection with the annual meeting                       12 and 13
of shareholders to be held May 10, 2001

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Avista Corporation (the Company) is filing the attached signature page on Form
10-K/A due to the omission of the name of one of the members of the Company's
Board of Directors from the signature page originally filed on Form 10-K for the
fiscal year ended December 31, 2000.


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                                   SIGNATURES

        Pursuant to the requirements of Section 13 or 15(d) 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.

                                                             AVISTA CORPORATION

       March 8, 2001                        By                /s/ Gary G. Ely
  ----------------------                      -----------------------------------------------------
           Date                                                  Gary G. Ely
                                                      President and Chief Executive Officer

        Pursuant to the requirements of the Securities Exchange Act of 1934, this report has
been signed below by the following persons on behalf of the Registrant and in the capacities
and on the dates indicated.


               Signature                                       Title                   Date
               ---------                                       -----                   ----

              /s/ Gary G. Ely                       Principal Executive Officer        March 8, 2001
- -------------------------------------------
                Gary G. Ely
   President and Chief Executive Officer

            /s/ J. E. Eliassen                          Principal Financial            March 8, 2001
- ------------------------------------------            and Accounting Officer
   J. E. Eliassen (Senior Vice President
       and Chief Financial Officer)

           /s/ Erik J. Anderson                               Director                 March 8, 2001
- -------------------------------------------
             Erik J. Anderson

           /s/ Kristianne Blake                               Director                 March 8, 2001
- -------------------------------------------
             Kristianne Blake

            /s/ David A. Clack                                Director                 March 8, 2001
- -------------------------------------------
              David A. Clack

          /s/ Sarah M. R. Jewell                              Director                 March 8, 2001
- -------------------------------------------
            Sarah M. R. Jewell

             /s/ John F. Kelly                                Director                 March 8, 2001
- -------------------------------------------
               John F. Kelly

         /s/ Jessie J. Knight, Jr.                            Director                 March 8, 2001
- -------------------------------------------
           Jessie J. Knight, Jr.

            /s/ Eugene W. Meyer                               Director                 March 8, 2001
- -------------------------------------------
              Eugene W. Meyer

             /s/ Bobby Schmidt                                Director                 March 8, 2001
- -------------------------------------------
               Bobby Schmidt

           /s/ Larry A. Stanley                               Director                 March 8, 2001
- -------------------------------------------
             Larry A. Stanley

            /s/ R. John Taylor                                Director                 March 8, 2001
- -------------------------------------------
              R. John Taylor

          /s/ Daniel J. Zaloudek                              Director                 March 8, 2001
- -------------------------------------------
            Daniel J. Zaloudek