Exhibit 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of Arizona Public Service Company on Form S-3 of our report dated March 3, 1995, appearing in the Annual Report on Form 10-K of Arizona Public Service Company for the year ended December 31, 1994 and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement. DELOITTE & TOUCHE LLP DELOITTE & TOUCHE LLP Phoenix, Arizona November 17, 1995