Exhibit 32



                          UNISOURCE ENERGY CORPORATION


                          TUCSON ELECTRIC POWER COMPANY

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

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     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
Quarterly Report on Form 10-Q for the quarter ended June 30, 2005, 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.


August 9, 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