Exhibit 32


                          UNISOURCE ENERGY CORPORATION

                          TUCSON ELECTRIC POWER COMPANY

                              ---------------------

                        STATEMENTS OF CORPORATE OFFICERS
           (Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

                              ---------------------

     Each of the undersigned, James S. Pignatelli, Chairman of the Board,
President and Chief Executive Officer of UniSource Energy Corporation and Tucson
Electric Power Company (each a "Company"), and Kevin P. Larson, Vice President,
Treasurer and Chief Financial Officer of each Company, hereby certifies,
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that each Company's
Annual Report on Form 10-K for the year ended December 31, 2004, fully complies
with the requirements of Section 13(a) or 15(d) 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
such Company.


March 16, 2005

                                            /s/  James S. Pignatelli
                                            ------------------------------------
                                                   James S. Pignatelli
                                            Chairman of the Board, President and
                                                  Chief Executive Officer
                                                UniSource Energy Corporation
                                               Tucson Electric Power Company


                                            /s/ Kevin P. Larson
                                            ------------------------------------
                                                    Kevin P. Larson
                                              Vice President, Treasurer and
                                                 Chief Financial Officer
                                              UniSource Energy Corporation
                                             Tucson Electric Power Company