Document:

Exhibit 10.2a

Under the Company's 2000 Senior  Management  Variable  Incentive Plan, the Chief
Executive  Officer of the  Company,  with the  approval  of the Human  Resources
Committee  of  the  Board  of  Directors,   annually  designates   employees  to
participate  in  the  program,   establishes  their  participation   level,  and
establishes  certain  financial and operational goals for the Company which must
be satisfied in order for variable pay awards to be made. The impact, if any, of
each  employee's  performance  on his or her variable pay award is determined by
his or her officer.  Subject to final approval by the Human Resources  Committee
of the Board of  Directors,  the Chief  Executive  Officer of the  Company  also
determines  at year-end the degree to which those goals have been  satisfied and
the amount of variable pay to be awarded to participating employees, if any.Exhibit 10.3a

Under the Company's 2000 Officers  Variable  Incentive Plan, the Chief Executive
Officer of the Company,  with the approval of the Human  Resources  Committee of
the Board of Directors, annually designates the officers who will participate in
the program,  establishes  their  participation  level, and establishes  certain
financial and operational goals for the Company which must be satisfied in order
for  variable  pay awards to be made.  The  impact,  if any,  of each  officer's
performance  on his  or her  variable  pay  award  is  determined  by the  Chief
Executive  Officer of the  Company,  with the  approval  of the Human  Resources
Committee.  Subject to final  approval by the Human  Resources  Committee of the
Board of Directors,  the Chief Executive Officer also determines at year-end the
degree to which those goals have been  satisfied  and the amount of variable pay
to be awarded to participating officers, if any.Exhibit 10.4a

Under APS' 2000 Management  Variable Incentive Plan, the Chief Executive Officer
of APS,  with the  approval  of the Human  Resources  Committee  of the Board of
Directors,   annually  designates  employees  to  participate  in  the  program,
establishes  their  participation  level, and establishes  certain financial and
operational  goals for APS which must be  satisfied  in order for  variable  pay
awards to be made. The impact, if any, of each employee's  performance on his or
her variable  pay award is  determined  by his or her officer.  Subject to final
approval by the Human Resources  Committee of the Board of Directors,  the Chief
Executive  Officer of APS also  determines at year-end the degree to which those
goals  have been  satisfied  and the  amount of  variable  pay to be  awarded to
participating employees, if any.Exhibit 10.5a

Under APS' 2000 Senior Management  Variable  Incentive Plan, the Chief Executive
Officer of APS, with the approval of the Human Resources  Committee of the Board
of  Directors,  annually  designates  employees to  participate  in the program,
establishes  their  participation  level, and establishes  certain financial and
operational  goals for APS which must be  satisfied  in order for  variable  pay
awards to be made. The impact, if any, of each employee's  performance on his or
her variable  pay award is  determined  by his or her officer.  Subject to final
approval by the Human Resources  Committee of the Board of Directors,  the Chief
Executive  Officer of APS also  determines at year-end the degree to which those
goals  have been  satisfied  and the  amount of  variable  pay to be  awarded to
participating employees, if any.Exhibit 10.6a

Under APS' 2000 Officers Variable Incentive Plan, the Chief Executive Officer of
APS,  with  the  approval  of the  Human  Resources  Committee  of the  Board of
Directors, annually designates the officers who will participate in the program,
establishes  their  participation  level, and establishes  certain financial and
operational  goals for APS which must be  satisfied  in order for  variable  pay
awards to be made. The impact,  if any, of each officer's  performance on his or
her variable pay award is determined by the Chief Executive Officer of APS, with
the approval of the Human Resources Committee.  Subject to final approval by the
Human Resources Committee of the Board of Directors, the Chief Executive Officer
also  determines at year-end the degree to which those goals have been satisfied
and the amount of variable pay to be awarded to participating officers, if any.Exhibit 10.7a

                             FIRST AMENDMENT TO THE
                        PINNACLE WEST CAPITAL CORPORATION
                         ARIZONA PUBLIC SERVICE COMPANY
                           SUNCOR DEVELOPMENT COMPANY
                                       AND
                          EL DORADO INVESTMENT COMPANY
                           DEFERRED COMPENSATION PLAN

     Effective  January  1,  1992,   Pinnacle  West  Capital   Corporation  (the
"Company"),  Arizona Public Service Company,  SunCor Development  Company and El
Dorado Investment Company adopted the Pinnacle West Capital Corporation, Arizona
Public Service  Company,  SunCor  Development  Company and El Dorado  Investment
Company Deferred  Compensation  Plan (the "Plan").  The Plan was amended several
times  thereafter  and was amended and  restated in its  entirety on December 1,
1995. By this instrument,  and pursuant to the authority granted in Section 11.2
of the Plan,  the Company  intends to amend the Plan to provide for an automatic
cashout of the Account  Balance of a  terminated  or retired  Participant  under
certain circumstances.

     1. This  Amendment  shall amend only those  Sections  set forth  herein and
those Sections not amended hereby shall remain in full force and effect.

     2. A new  Section  5.4 is hereby  added to the Plan,  which  shall  read as
follows:

          5.4 Automatic Distribution of Retirement Benefits. Notwithstanding any
     provision in this Article 5 to the  contrary,  if the Account  Balance of a
     Retired Participant does not exceed Five Thousand Dollars ($5,000.00),  the
     Participant's  Retirement Benefit shall be distributed in a single lump sum
     within sixty (60) days following his Retirement.

     3. Section 7.2 is hereby amended to add the following subsection:

     (c) Automatic  Distribution of Termination  Benefits.  Notwithstanding  any
provision in this Section 7.2 to the contrary, if, upon a
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Participant's  Termination of  Employment,  his Account  Balance,  as determined
pursuant to Section 7.1, does not exceed Five Thousand Dollars ($5,000.00),  the
Participant's  Termination  Benefit  shall be  distributed  in a single lump sum
within sixty (60) days following his Termination of Employment.

     4. The  provisions of this First  Amendment  shall be effective  January 1,
1999.

     Except as amended  hereby,  the Company  ratifies  and confirms the Plan as
amended  and  restated  on December  1, 1995.

Dated: September 15, 1999.
                                        PINNACLE WEST CAPITAL CORPORATION

                                        By Faye Widenmann
                                           -------------------------------------
                                        Its  Vice President and Secretary
                                            ------------------------------------Exhibit 10.8a

                             FOURTH AMENDMENT TO THE
                         ARIZONA PUBLIC SERVICE COMPANY
                      DIRECTORS DEFERRED COMPENSATION PLAN

                  Effective January 1, 1978, Arizona Public Service Company (the
     "Company") adopted the Arizona Public Service Company Directors Deferred
Compensation Plan (the "Plan").  The Plan was subsequently  amended and restated
several times,  the most recent  amendment and  restatement  becoming  effective
January  1,  1986.  The Plan  was  thereafter  amended  several  times.  By this
instrument,  the Company intends to amend the Plan to allow benefit  payments to
begin after a director attains age 70.

     1. This Amendment  shall amend only the provisions of the Plan as set forth
herein, and those provisions not expressly amended hereby shall be considered in
full force and effect.

     2. Section VI.B is hereby amended in its entirety to read as follows:

     B. Time of Distribution of Benefits Under Deferral Option II

          No payment of benefits  shall be made under  Deferral  Option II until
     the  Participant  is no  longer a  Director  of the  Company  or any of its
     Affiliates.  No Participant or Beneficiary of a Participant  shall have any
     right to payment of any amounts under Deferral  Option II prior to the date
     on which the  Participant  ceases to be a Director of the Company or any of
     its  Affiliates.  Amounts shall be payable under Deferral Option II only in
     accordance  with the terms and  provisions of Deferral  Option II.  Amounts
     payable under  Deferral  Option II shall be paid to the  Participant or his
     Beneficiary  in  equal  annual   installments  for  ten  (10)  years.  Each
     Participant  shall have the right to elect,  prior to the  commencement  of
     payments,   the  year  he  desires  to  commence   receipt  of  his  annual
     installments.  The  Participant  may  elect  to  commence  receipt  of  the
     installments in any year during the period beginning with the year in which
     the  Participant  attains  the age of sixty (60) years and ending  with the
     year  in  which  the  Participant  retires  from  the  Board.  The  initial
     installment will be paid on the Participant's birthday provided that if the
     Participant's  retirement from the Board occurs after his birthday for that
     year, the initial  installment  shall be paid on the first day of the month
     following  the  month in which  the  Participant  retired  from the  Board.
     Subsequent  installments  will  be  paid  on the  Participant's  subsequent
     birthdays.  Each Participant shall have the right to select the Beneficiary
     of payments in the event of his death, as provided in Sections VI.D and E.

     3. Section VI.E is hereby amended in its entirety to read as follows:

     E. Death of a Participant Not Yet Receiving  Benefits Under Deferral Option
II.

          In the event  that a  Participant  not yet  receiving  Annual  Benefit
     payments under  Deferral  Option II shall die, the Company shall pay to the
     Participant's  Beneficiary or Beneficiaries,  in equal annual  installments
     for ten (10) years, the Annual Survivor Benefit for the year in which death
     occurred as stated on the Director's Death Benefit Summary Document for the
     Participant,  which shall be provided to the Participant from time to time.
     The  initial  installment  of the Annual  Survivor  Benefit for the year in
     which death occurs will be paid within sixty (60) days of the Participant's
     death.  Subsequent installments of the Annual Survivor Benefit will be paid
     on the anniversary of the Participant's  death. Each Participant shall have
     the right to designate a Beneficiary  or  Beneficiaries  of benefits in the
     event of his death;  provided  that, in the event that the  Participant  is
     married and designates a Beneficiary other than his spouse, his spouse must
     consent  in  writing  to such  designation.  If the  Participant  fails  to
     designate a Beneficiary,  the Annual Survivor  Benefit shall be paid to the
     Participant's estate.

     4. The  provisions  of this  Amendment  shall be effective as of January 1,
1999.

     Except as amended and supplemented by this  instrument,  the Company hereby
     ratifies the Plan as amended and restated  effective January 1, 1986 and as
     thereafter amended.

 Dated: December 28 , 1999             Arizona Public Service Company

                                        By Jack Davis
                                           -------------------------------------
                                        Its President
                                            ------------------------------------

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