INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement Nos. 33-39208 and 33-58372 on Form S-8 of our report dated June 22, 1994 appearing in this Annual Report on Form 11-K of The Savings Plan for Employees of Arizona Public Service Company and The Savings Plan for Union Employees of Arizona Public Service Company for the year ended December 31, 1993. Deloitte & Touche June 24, 1994 Phoenix, Arizona EXHIBIT 23.1