INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement No. 333-95035 of Pinnacle West Capital Corporation on Form S-8 of our report dated June 27, 2000 appearing in this Annual Report on Form 11-K of The Savings Plan for Employees of Pinnacle West Capital Corporation for the year ended December 31, 1999. DELOITTE & TOUCHE LLP DELOITTE & TOUCHE LLP Phoenix, Arizona June 27, 2000