Exhibit 25.3

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                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D. C. 20549
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                                    FORM T-1

                            STATEMENT OF ELIGIBILITY
                    UNDER THE TRUST INDENTURE ACT OF 1939 OF
                   A CORPORATION DESIGNATED TO ACT AS TRUSTEE
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              CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF
                A TRUSTEE PURSUANT TO SECTION 305(b)(2) ________
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                                 CHEMICAL BANK
              (Exact name of trustee as specified in its charter)

       New York                                            13-4994650
(State of incorporation                                 (I.R.S. employer
if not a national bank)                                 identification No.)

270 Park Avenue New York, New York                            10017
(Address of principal executive offices)                    (Zip Code)

                               William H. McDavid
                                General Counsel
                                270 Park Avenue
                            New York, New York 10017
                              Tel: (212) 270-2611
           (Name, address and telephone number of agent for service)

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                         Arizona Public Service Company
              (Exact name of obligor as specified in its charter)

           Arizona                                          86-0011170
(State or other jurisdiction of                          (I.R.S. employer
incorporation or organization)                           identification No.)

400 North Fifth Street
Phoenix, Arizona                                              85004
(Address of principal executive offices)                    (Zip Code)

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                                Debt Securities
                      (Title of the indenture securities)
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                                    GENERAL

Item 1. General Information.

        Furnish the following information as to the trustee:

        (a) Name and address of each examining or supervising authority to which
            it is subject.

            New York State Banking  Department,  State House,  Albany,  New York
            12110.

            Board of Governors of the Federal Reserve System, Washington,  D.C.,
            20551

            Federal Reserve Bank of New York, District No. 2, 33 Liberty Street,
            New York, N.Y.

            Federal Deposit Insurance Corporation, Washington, D.C., 20429.


        (b) Whether it is authorized to exercise corporate trust powers.

            Yes.


Item 2. Affiliations with the Obligor.

        If the  obligor  is an  affiliate  of the  trustee,  describe  each such
        affiliation.

        None.

Item 16. List of Exhibits

         List  below  all  exhibits  filed  as  a  part  of  this  Statement  of
Eligibility.

         1. A copy of the  Articles  of  Association  of the  Trustee  as now in
effect, including the Organization Certificate and the Certificates of Amendment
dated February 17, 1969, August 31, 1977, December 31, 1980,  September 9, 1982,
February  28,  1985 and  December  2, 1991  (see  Exhibit 1 to Form T-1 filed in
connection with  Registration  Statement No. 33-50010,  which is incorporated by
reference).

         2. A copy of the  Certificate  of  Authority of the Trustee to Commence
Business  (see  Exhibit  2 to Form T-1  filed in  connection  with  Registration
Statement No. 33-50010, which is incorporated by reference).

         3.  None,  authorization  to  exercise  corporate  trust  powers  being
contained in the documents identified above as Exhibits 1 and 2.

         4. A copy of the existing By-Laws of the Trustee (see Exhibit 4 to Form
T-1 filed in  connection  with  Registration  Statement No.  33-84460,  which is
incorporated by reference).

         5. Not applicable.

         6. The  consent of the Trustee  required  by Section  321(b) of the Act
(see Exhibit 6 to Form T-1 filed in connection with  Registration  Statement No.
33-50010, which is incorporated by reference).

         7. A copy of the latest  report of condition of the Trustee,  published
pursuant to law or the requirements of its supervising or examining authority.

         8. Not applicable.

         9. Not applicable.


                                   SIGNATURE

     Pursuant  to the  requirements  of the  Trust  Indenture  Act of  1939  the
Trustee,  Chemical Bank, a corporation  organized and existing under the laws of
the State of New York,  has duly  caused this  statement  of  eligibility  to be
signed on its behalf by the undersigned,  thereunto duly authorized,  all in the
City of New York and State of New York, on the 3rd day of November, 1995.

                                       CHEMICAL BANK


                                       By     T. J. Foley
                                          ----------------------------------
                                              T. J. Foley
                                              Vice President




                             Exhibit 7 to Form T-1


                                Bank Call Notice

                             RESERVE DISTRICT NO. 2
                      CONSOLIDATED REPORT OF CONDITION OF

                                 Chemical Bank
                  of 270 Park Avenue, New York, New York 10017
                     and Foreign and Domestic Subsidiaries,
                    a member of the Federal Reserve System,

             at the close of business June 30, 1995, in accordance
         with a call made by the Federal Reserve Bank of this District
             pursuant to the provisions of the Federal Reserve Act.



                                                                  Dollar Amounts
                     ASSETS                                          in Millions


Cash and balances due from depository institutions:
     Noninterest-bearing balances and
     currency and coin ..........................................       $  5,573
     Interest-bearing balances ..................................          2,681
Securities:
Held to maturity securities .....................................          6,027
Available for sale securities ...................................         18,304
Federal Funds sold and securities purchased under
     agreements to resell in domestic offices of the
     bank and of its Edge and Agreement subsidiaries,
     and in IBF's:
     Federal funds sold .........................................          1,516
     Securities purchased under agreements to resell ............            287
Loans and lease financing receivables:
     Loans and leases, net of unearned income .......... $ 73,829       
     Less: Allowance for loan and lease losses .........    1,885          
     Less: Allocated transfer risk reserve .............      104
                                                         --------       
     Loans and leases, net of unearned income,             
     allowance, and reserve .....................................         71,840
Trading Assets ..................................................         25,315
Premises and fixed assets (including capitalized
     leases) ....................................................          1,395
Other real estate owned .........................................             69
Investments in unconsolidated subsidiaries and
     associated companies .......................................            158
Customer's liability to this bank on acceptances
     outstanding ................................................          1,120
Intangible assets ...............................................            484
Other assets ....................................................          7,254
                                                                        --------

TOTAL ASSETS ....................................................       $142,023
                                                                        ========



                                  LIABILITIES


Deposits
     In domestic offices .........................................    $  46,128
     Noninterest-bearing ............................... $  16,282    
     Interest-bearing ..................................    29,846       
                                                         ---------             
     In foreign offices, Edge and Agreement subsidiaries,
     and IBF's ...................................................       30,833
Noninterest-bearing .................................... $     199    
     Interest-bearing ..................................    30,634   
                                                         ---------             
Federal funds  purchased and securities  sold under
agreements to repurchase in domestic offices of the bank and
     of its Edge and Agreement subsidiaries, and in IBF's
     Federal funds purchased .....................................       16,779
     Securities sold under agreements to repurchase ..............          810
Demand notes issued to the U.S. Treasury .........................        1,001
Trading liabilities ..............................................       20,888
Other Borrowed money:
     With original maturity of one year or less ..................        6,505
With original maturity of more than one year .....................          602
Mortgage indebtedness and obligations under capitalized
     leases ......................................................           18
Bank's liability on acceptances executed and outstanding .........        1,126
Subordinated notes and debentures ................................        3,411
Other liabilities ................................................        6,287

TOTAL LIABILITIES ................................................      134,388
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                                 EQUITY CAPITAL

Common stock .....................................................          620
Surplus ..........................................................        4,524
Undivided profits and capital reserves ...........................        2,724
Net unrealized holding gains (Losses)
on available-for-sale securities .................................         (241)
Cumulative foreign currency translation adjustments ..............            8

TOTAL EQUITY CAPITAL .............................................        7,635
                                                                      ---------
TOTAL LIABILITIES, LIMITED-LIFE PREFERRED
     STOCK AND EQUITY CAPITAL ....................................    $ 142,023
                                                                      =========



I, Joseph L. Sclafani,  S.V.P. & Controller of the  above-named  bank, do hereby
declare that this Report of Condition has been prepared in conformance  with the
instructions issued by the appropriate Federal regulatory  authority and is true
to the best of my knowledge and belief.

                               JOSEPH L. SCLAFANI


We, the  undersigned  directors,  attest to the  correctness  of this  Report of
Condition  and declare  that it has been  examined by us, and to the best of our
knowledge  and belief has been  prepared in  conformance  with the  instructions
issued by the appropriate Federal regulatory authority and is true and correct.


                              WALTER V. SHIPLEY     )
                              EDWARD D. MILLER      )DIRECTORS
                              WILLIAM B. HARRISON   )