Exhibit 32

                               AVISTA CORPORATION

                       CERTIFICATION OF CORPORATE OFFICERS
  (Furnished Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section
                     906 of the Sarbanes-Oxley Act of 2002)

         Each of the undersigned, Gary G. Ely, Chairman of the Board, President
and Chief Executive Officer of Avista Corporation (the "Company"), and Malyn K.
Malquist, Senior Vice President and Chief Financial Officer of the Company,
hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that the Company's Quarterly
Report on Form 10-Q for the quarter ended September 30, 2003 fully complies with
the requirements of Section 13(a) of the Securities Exchange Act of 1934, as
amended, and that the information contained therein fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

November 10, 2003

                                                     /s/ Gary G. Ely
                                            -----------------------------------
                                                        Gary G. Ely
                                            Chairman of the Board, President and
                                                   Chief Executive Officer

                                                   /s/ Malyn K. Malquist
                                            ------------------------------------
                                                     Malyn K. Malquist
                                                  Senior Vice President and
                                                   Chief Financial Officer