SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K
                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


         Date of Report (Date of earliest event reported): June 30, 2002


                        PINNACLE WEST CAPITAL CORPORATION
             (Exact name of registrant as specified in its charter)


           Arizona                     1-8962                   86-0512431
(State or other jurisdiction        (Commission               (IRS Employer
      of incorporation)             File Number)          Identification Number)


   400 North Fifth Street, P.O. Box 53999, Phoenix, Arizona      85072-3999
           (Address of principal executive offices)              (Zip Code)


                                 (602) 250-1000
              (Registrant's telephone number, including area code)


                                      NONE
          (Former name or former address, if changed since last report)

ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

     (c)  EXHIBITS.

EXHIBIT
  NO.     DESCRIPTION
  ---     -----------

 99.1     Pinnacle West Capital Corporation quarterly consolidated statistical
          summary for June 30, 2002 (cover page and list of contents).

 99.2     Pinnacle West Capital Corporation quarterly consolidated statistical
          summary for the periods ended June 30, 2002 and 2001.

 99.3     Pinnacle West Capital Corporation consolidated statistics by quarter
          for 2002 (year-to-date).

 99.4     Pinnacle West Capital Corporation consolidated statistics by quarter
          for 2001.

 99.5     Pinnacle West Capital Corporation consolidated statistics by quarter
          for 2000.

 99.6     Pinnacle West Capital Corporation consolidated statistics by quarter
          for 1999.

 99.7     Pinnacle West Capital Corporation earnings variance explanations for
          the periods ended June 30, 2002 and 2001 and condensed consolidated
          statements of income for the three months, six months and twelve
          months ended June 30, 2002 and 2001.

 99.8     Glossary of Terms.

ITEM 9. REGULATION FD DISCLOSURE

     The Company is providing quarterly consolidated statistical summaries,
earnings variance explanations, and a glossary of relevant terms (collectively,
"Information") to help interested parties better understand its business. This
Information is concurrently being posted to the Company's website at
www.pinnaclewest.com. The Information may not represent all of the factors that
could affect the Company's operating or financial results for various periods.
Some of the Information is preliminary in nature and could be subject to
significant adjustment. Some of the Information is based on information received
from third parties and may contain inaccuracies. The Company is not responsible
for any such inaccuracies. Although the Company may update or correct the
Information if it is aware that such Information has been revised or is
inaccurate, the Company assumes no obligation to update or correct the
Information and reserves the right to discontinue the provision of all or any
portion of the Information at any time or to change the type of Information
provided.

                                       2

                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
Company has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.



                                        PINNACLE WEST CAPITAL CORPORATION
                                        (Registrant)



Dated: July 22, 2002                    By: Barbara M. Gomez
                                            ------------------------------------
                                            Barbara M. Gomez
                                            Treasurer

                                       3