PINNACLE WEST CAPITAL CORP
11-K, 1999-06-28
ELECTRIC SERVICES
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 11-K

                        ANNUAL REPORT PURSUANT TO SECTION
                        15(d) OF THE SECURITIES EXCHANGE
                                   ACT OF 1934


(Mark One)
[X] ANNUAL REPORT  PURSUANT TO SECTION 15(d) OF THE  SECURITIES  EXCHANGE ACT OF
1934 [NO FEE  REQUIRED,  EFFECTIVE  OCTOBER 7, 1996].

For the fiscal year ended December 31, 1998

                                       OR

[ ] TRANSITION  REPORT PURSUANT TO 15(d) OF THE SECURITIES  EXCHANGE ACT OF 1934
[NO FEE REQUIRED].

For the transition period from __________ to __________

Commission file number 1-8962

                        THE SAVINGS PLAN FOR EMPLOYEES OF
                        PINNACLE WEST CAPITAL CORPORATION
                            (Full title of the plan)


                        PINNACLE WEST CAPITAL CORPORATION
                                (Name of issuer)

                               400 EAST VAN BUREN
                                 P.O. BOX 52132
                             PHOENIX, ARIZONA 85072
                (Address of issuer's principal executive office)
<PAGE>

                         THE SAVINGS PLAN FOR EMPLOYEES
                       OF ARIZONA PUBLIC SERVICE COMPANY,

                     THE SAVINGS PLAN FOR UNION EMPLOYEES OF
                         ARIZONA PUBLIC SERVICE COMPANY

                                       AND

                        THE SAVINGS PLAN FOR EMPLOYEES OF
                        PINNACLE WEST CAPITAL CORPORATION


                                TABLE OF CONTENTS


                                                                          PAGE
                                                                          ----

Independent Auditors' Report                                                1

Combined Statements of Net Assets Available
  for Benefits with Supplemental Combining Information
  as of December 31, 1998 and 1997                                        2 - 3

Combined Statements of Changes in Net Assets
  Available for Benefits with Supplemental Combining
  Information for Each of the Three Years in the Period
  Ended December 31, 1998                                                 4 - 6

Notes to Combined Financial Statements                                    7 - 14

Exhibits Filed                                                              15
<PAGE>
INDEPENDENT AUDITORS' REPORT

Pinnacle West Capital Corporation
Phoenix, Arizona

We have audited the accompanying combined statements of net assets available for
benefits of The Savings Plan for Employees of Arizona  Public  Service  Company,
The Savings Plan for Union  Employees of Arizona Public Service  Company and The
Savings Plan for Employees of Pinnacle West Capital Corporation (the "Plans") as
of December 31, 1998 and 1997, and the related combined statements of changes in
net assets  available  for  benefits  for each of the three  years in the period
ended  December  31,  1998.   These  combined   financial   statements  are  the
responsibility  of the Plans'  management.  Our  responsibility is to express an
opinion on these financial statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion,  such  combined  financial  statements  present  fairly,  in all
material  respects,  the net assets  available  for  benefits of the Plans as of
December 31, 1998 and 1997, and the changes in net assets available for benefits
for each of the three years in the period ended  December 31, 1998 in conformity
with generally accepted accounting principles.

Our audits  were  conducted  for the  purpose of forming an opinion on the basic
combined  financial  statements  taken as a whole.  The  supplemental  combining
information  by fund is presented for the purpose of additional  analysis of the
basic combined financial statements rather than to present information regarding
the net assets  available  for benefits and changes in net assets  available for
benefits  of the  individual  funds,  and is not a  required  part of the  basic
financial statements. This supplemental information is the responsibility of the
Plans'  management.  Such  supplemental  combining  information by fund has been
subjected to the auditing procedures applied in our audits of the basic combined
financial  statements  and, in our  opinion,  is fairly  stated in all  material
respects when considered in relation to the basic combined financial  statements
taken as a whole.


DELOITTE & TOUCHE LLP

DELOITTE & TOUCHE LLP
Phoenix, Arizona
June 23, 1999

                                      -1-
<PAGE>
THE SAVINGS PLAN FOR EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY, THE SAVINGS
PLAN FOR UNION EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY AND THE SAVINGS PLAN
FOR EMPLOYEES OF PINNACLE WEST CAPITAL CORPORATION
- --------------------------------------------------------------------------------
COMBINED  STATEMENT  OF NET ASSETS  AVAILABLE  FOR  BENEFITS  WITH  SUPPLEMENTAL
COMBINING INFORMATION DECEMBER 31, 1998
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                          SUPPLEMENTAL COMBINING INFORMATION
                                                          -----------------------------------------------------------
                                                          PINNACLE WEST                     FIXED        AGGRESSIVE
                                             COMBINED      STOCK FUND      INDEX FUND    INCOME FUND     EQUITY FUND
                                           ------------   -------------   ------------   ------------   -------------
<S>                                        <C>            <C>             <C>            <C>            <C>
ASSETS:
  Investments  at fair value except for
    Fixed Income Fund that is at contract
    value which approximates fair value
    (cost, Pinnacle West Stock Fund,
    $68,965,125;
    Index Fund,
    $65,075,966;
    Fixed Income Fund,
    $57,922,524;
    Aggressive Equity Fund,
    $43,316,881;
    International Equity Fund,
    $5,716,888;
    Lifestyle Conservative Fund,
    $3,765,401;
    Lifestyle Moderate Fund,
    $9,292,635;
    Lifestyle Aggressive Fund,
    $9,022,549;
    Participant Loan Feature,
    $21,693,553)                           $450,665,341   $141,857,042    $140,562,235   $ 57,922,524   $ 56,929,532
  Temporary investments (at cost
    which approximates fair value)           10,322,875      2,418,190         312,114      7,359,873        105,587
  Interest/other receivable                     327,981          8,928           3,850        309,080            610
                                           ------------   ------------    ------------   ------------   ------------
      Total assets                          461,316,197    144,284,160     140,878,199     65,591,477     57,035,729
                                           ------------   ------------    ------------   ------------   ------------
LIABILITIES:
  Interfund transfers and other
    liabilities                                  (8,701)      (112,200)         21,402       (167,013)        97,980
                                           ------------   ------------    ------------   ------------   ------------
      NET ASSETS AVAILABLE
        FOR BENEFITS                       $461,324,898   $144,396,360    $140,856,797   $ 65,758,490   $ 56,937,749
                                           ============   ============    ============   ============   ============

                                                                 SUPPLEMENTAL COMBINING INFORMATION
                                            ----------------------------------------------------------------------
                                                             LIFESTYLE      LIFESTYLE     LIFESTYLE
                                            INTERNATIONAL   CONSERVATIVE     MODERATE     AGGRESSIVE    PARTICIPANT
                                             EQUITY FUND       FUND           FUND          FUND       LOAN FEATURE
                                            -------------   -----------   -----------   ------------   ------------
ASSETS:
  Investments  at fair value except for
    Fixed Income Fund that is at contrac
    value which approximates fair value
    (cost, Pinnacle West Stock Fund,
    $68,965,125;
    Index Fund,
    $65,075,966;
    Fixed Income Fund,
    $57,922,524;
    Aggressive Equity Fund,
    $43,316,881;
    International Equity Fund,
    $5,716,888;
    Lifestyle Conservative Fund,
    $3,765,401;
    Lifestyle Moderate Fund,
    $9,292,635;
    Lifestyle Aggressive Fund,
    $9,022,549;
    Participant Loan Feature,
    $21,693,553)                            $ 5,920,928     $ 4,086,200   $ 10,826,419  $ 10,866,908   $ 21,693,553
  Temporary investments (at cost
    which approximates fair value)               34,356          31,833         60,138           784
  Interest/other receivable                                       3,020          1,385         1,108
                                            -----------     -----------   ------------  ------------   ------------
      Total assets                            5,955,284       4,121,053     10,887,942    10,868,800     21,693,553
                                            -----------     -----------   ------------  ------------   ------------
LIABILITIES:
  Interfund transfers and other
    liabilities                                 (37,322)           (588)        69,930       128,750         (9,640)
                                            -----------     -----------   ------------  ------------   ------------
      NET ASSETS AVAILABLE
        FOR BENEFITS                        $ 5,992,606     $ 4,121,641   $ 10,818,012  $ 10,740,050   $ 21,703,193
                                            ===========     ===========   ============  ============   ============
</TABLE>

See notes to combined financial statements.

                                       -2-
<PAGE>
THE SAVINGS PLAN FOR EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY,
THE SAVINGS PLAN FOR UNION EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY AND
THE SAVINGS PLAN FOR EMPLOYEES OF PINNACLE WEST CAPITAL CORPORATION
- --------------------------------------------------------------------------------
COMBINED  STATEMENT  OF NET ASSETS  AVAILABLE  FOR  BENEFITS  WITH  SUPPLEMENTAL
COMBINING INFORMATION DECEMBER 31, 1997
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                              SUPPLEMENTAL COMBINING INFORMATION
                                                    --------------------------------------------------------
                                                    PINNACLE WEST                   FIXED       AGGRESSIVE
                                       COMBINED      STOCK FUND     INDEX FUND    INCOME FUND   EQUITY FUND
                                     ------------   ------------   ------------  ------------   ------------
<S>                                  <C>            <C>             <C>            <C>            <C>
ASSETS:
  Investments at fair value except
  for Fixed Income Fund that is
  at contract value which
  approximates fair value (cost,
    Pinnacle West Stock Fund,
    $64,852,152;
    Index Fund,
    $55,556,633;
    Fixed Income Fund,
    $53,078,299;
    Aggressive Equity Fund,
    $36,416,877;
    International Equity Fund,
    $7,067,988;
    Lifestyle Conservative Fund,
    $2,184,528;
    Lifestyle Moderate Fund,
    $5,994,426;
    Lifestyle Aggressive Fund,
    $6,698,117;
    Participant Loan Feature,
    $19,767,046)                     $388,014,445   $141,053,827   $106,580,249  $ 53,078,299   $ 44,685,290
  Temporary investments (at cost
    which approximates fair value)      7,548,392      1,906,886                    5,638,399
  Interest/other receivable               314,277          9,229                      305,048
                                     ------------   ------------   ------------  ------------   ------------
      Total assets                    395,877,114    142,969,942    106,580,249    59,021,746     44,685,290
                                     ------------   ------------   ------------  ------------   ------------
LIABILITIES:
  Interfund transfers and other
    liabilities                           612,967        585,513       (180,210)      192,865          1,480
                                     ------------   ------------   ------------  ------------   ------------
      NET ASSETS AVAILABLE
        FOR BENEFITS                 $395,264,147   $142,384,429   $106,760,459  $ 58,828,881   $ 44,683,810
                                     ============   ============   ============  ============   ============

                                                           SUPPLEMENTAL COMBINING INFORMATION
                                       ----------------------------------------------------------------------
                                                       LIFESTYLE     LIFESTYLE     LIFESTYLE
                                       INTERNATIONAL  CONSERVATIVE    MODERATE     AGGRESSIVE    PARTICIPANT
                                        EQUITY FUND       FUND          FUND          FUND      LOAN FEATURE
                                        -----------   -----------   -----------   -----------   ------------
ASSETS:
  Investments at fair value except
  for Fixed Income Fund that is
  at contract value which approximates
  fair value (cost,
    Pinnacle West Stock Fund,
    $64,852,152;
    Index Fund,
    $55,556,633;
    Fixed Income Fund,
    $53,078,299;
    Aggressive Equity Fund,
    $36,416,877;
    International Equity Fund,
    $7,067,988;
    Lifestyle Conservative Fund,
    $2,184,528;
    Lifestyle Moderate Fund,
    $5,994,426;
    Lifestyle Aggressive Fund,
    $6,698,117;
    Participant Loan Feature,
    $19,767,046)                        $ 6,633,636   $ 2,293,984   $ 6,592,923   $ 7,329,191   $ 19,767,046
  Temporary investments (at cost
    which approximates fair value)                                        3,107
  Interest/other receivable
                                        -----------   -----------   -----------   -----------   ------------
      Total assets                        6,633,636     2,293,984     6,596,030     7,329,191     19,767,046
                                        -----------   -----------   -----------   -----------   ------------
LIABILITIES:
  Interfund transfers and other
    liabilities                              42,145        (9,259)      (18,518)      (38,349)        37,300
                                        -----------   -----------   -----------   -----------   ------------
      NET ASSETS AVAILABLE
        FOR BENEFITS                    $ 6,591,491   $ 2,303,243   $ 6,614,548   $ 7,367,540   $ 19,729,746
                                        ===========   ===========   ===========   ===========   ============
</TABLE>

See notes to combined financial statements.

                                      -3-
<PAGE>
THE SAVINGS PLAN FOR EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY,
THE SAVINGS PLAN FOR UNION EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY AND
THE SAVINGS PLAN FOR EMPLOYEES OF PINNACLE WEST CAPITAL CORPORATION
- --------------------------------------------------------------------------------
COMBINED  STATEMENT  OF  CHANGES  IN NET  ASSETS  AVAILABLE  FOR  BENEFITS  WITH
SUPPLEMENTAL COMBINING INFORMATION FOR THE YEAR ENDED DECEMBER 31, 1998
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                  SUPPLEMENTAL COMBINING INFORMATION
                                                      ----------------------------------------------------------
                                                      PINNACLE WEST                     FIXED        AGGRESSIVE
                                        COMBINED       STOCK FUND      INDEX FUND     INCOME FUND    EQUITY FUND
                                        --------       ----------      ----------     -----------    -----------
<S>                                   <C>            <C>              <C>            <C>             <C>
ADDITIONS TO NET ASSETS
 ATTRIBUTED TO:
  Investment income (Note 1):
    Dividends                         $  9,528,178   $   4,030,519                                   $ 3,842,332
    Interest/other income                5,968,437          85,828    $      9,577   $  3,921,198          3,626
    Realized gain (loss) on sale of
       investments                      10,084,967       3,159,079       6,193,850                     1,559,099
    Unrealized appreciation
       (depreciation) of
       investments (Note 5)             29,495,440      (3,309,756)     24,462,652                     5,344,238
                                      ------------   -------------    ------------   ------------    -----------
      Total investment income           55,077,022       3,965,670      30,666,079      3,921,198     10,749,295
                                      ------------   -------------    ------------   ------------    -----------
  Contributions (Note 2):
    Employers                            7,539,003       7,539,003
    Participants                        24,947,630       3,068,190       8,705,891      3,527,666      5,874,733
                                      ------------   -------------    ------------   ------------    -----------
      Total contributions               32,486,633      10,607,193       8,705,891      3,527,666      5,874,733
                                      ------------   -------------    ------------   ------------    -----------
         Total additions                87,563,655      14,572,863      39,371,970      7,448,864     16,624,028
                                      ------------   -------------    ------------   ------------    -----------
DEDUCTIONS FROM NET ASSETS
 ATTRIBUTED TO:
    Benefit payments                    21,457,929      10,938,492       3,841,331      3,908,261      1,306,601
    Administrative expenses                 44,975           9,165          14,748          9,320          8,149
    Interfund transfers                                  1,613,275       1,419,553     (3,398,326)     3,055,339
                                      ------------   -------------    ------------   ------------    -----------
          Total deductions              21,502,904      12,560,932       5,275,632        519,255      4,370,089
                                      ------------   -------------    ------------   ------------    -----------
          Net increase (decrease)       66,060,751       2,011,931      34,096,338      6,929,609     12,253,939

NET ASSETS AVAILABLE FOR
 BENEFITS:
   Beginning of year                   395,264,147     142,384,429     106,760,459     58,828,881     44,683,810
                                      ------------   -------------    ------------   ------------    -----------
   End of year                        $461,324,898   $ 144,396,360    $140,856,797   $ 65,758,490    $56,937,749
                                      ============   =============    ============   ============    ===========

                                                       SUPPLEMENTAL COMBINING INFORMATION
                                      --------------------------------------------------------------------------
                                                       LIFESTYLE      LIFESTYLE     LIFESTYLE
                                      INTERNATIONAL   CONSERVATIVE    MODERATE      AGGRESSIVE      PARTICIPANT
                                       EQUITY FUND       FUND           FUND           FUND         LOAN FEATURE
                                       -----------       ----           ----           ----         ------------
ADDITIONS TO NET ASSETS
 ATTRIBUTED TO:
  Investment income (Note 1):
    Dividends                         $   624,563    $   196,635    $    457,138    $    376,991
    Interest/other income                     505            227             685             741    $  1,946,050
    Realized gain (loss) on sale of
       investments                     (1,249,133)        97,076         147,665         177,331
    Unrealized appreciation
       (depreciation) of
       investments (Note 5)               638,392        211,343         935,286       1,213,285
                                      -----------    -----------    ------------    ------------    ------------
      Total investment income              14,327        505,281       1,540,774       1,768,348       1,946,050
                                      -----------    -----------    ------------    ------------    ------------
  Contributions (Note 2):
    Employers
    Participants                          833,765        302,946       1,192,862       1,441,577
                                      -----------    -----------    ------------    ------------    ------------
      Total contributions                 833,765        302,946       1,192,862       1,441,577
                                      -----------    -----------    ------------    ------------    ------------
         Total additions                  848,092        808,227       2,733,636       3,209,925       1,946,050
                                      -----------    -----------    ------------    ------------    ------------
DEDUCTIONS FROM NET ASSETS
 ATTRIBUTED TO:
    Benefit payments                      133,578        420,405         492,304         169,535         247,422
    Administrative expenses                   634            365           1,170           1,424
    Interfund transfers                 1,312,765     (1,430,941)     (1,963,302)       (333,544)       (274,819)
                                      -----------    -----------    ------------    ------------    ------------
          Total deductions              1,446,977     (1,010,171)     (1,469,828)       (162,585)        (27,397)
                                      -----------    -----------    ------------    ------------    ------------
          Net increase (decrease)        (598,885)     1,818,398       4,203,464       3,372,510       1,973,447

NET ASSETS AVAILABLE FOR
 BENEFITS:
   Beginning of year                    6,591,491      2,303,243       6,614,548       7,367,540      19,729,746
                                      -----------    -----------    ------------    ------------    ------------
   End of year                        $ 5,992,606    $ 4,121,641    $ 10,818,012    $ 10,740,050    $ 21,703,193
                                      ===========    ===========    ============    ============    ============
</TABLE>
See notes to combined financial statements.

                                      -4-
<PAGE>
THE SAVINGS PLAN FOR EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY,
THE SAVINGS PLAN FOR UNION EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY AND
THE SAVINGS PLAN FOR EMPLOYEES OF PINNACLE WEST CAPITAL CORPORATION
- --------------------------------------------------------------------------------
COMBINED  STATEMENT  OF  CHANGES  IN NET  ASSETS  AVAILABLE  FOR  BENEFITS  WITH
SUPPLEMENTAL COMBINING INFORMATION FOR THE YEAR ENDED DECEMBER 31, 1997
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                               SUPPLEMENTAL COMBINING INFORMATION
                                                   -----------------------------------------------------------
                                                   PINNACLE WEST                       FIXED       AGGRESSIVE
                                      COMBINED      STOCK FUND      INDEX FUND      INCOME FUND    EQUITY FUND
                                    ------------   ------------   -------------    ------------    -----------
<S>                                 <C>            <C>            <C>             <C>             <C>
ADDITIONS TO NET ASSETS
 ATTRIBUTED TO:
  Investment income (Note 1):
    Dividends                       $  7,934,514   $  3,872,745                                    $ 2,630,859
    Interest/other income              5,610,801         75,931   $      19,288    $  3,809,025          6,050
    Realized gain on sale of
       investments                    11,404,543      5,727,161       4,166,257                      1,234,978
    Unrealized appreciation
       (depreciation) of
       investments (Note 5)           55,797,490     29,380,243      20,911,830                      4,894,962
                                    ------------   ------------   -------------    ------------    -----------
      Total investment income         80,747,348     39,056,080      25,097,375       3,809,025      8,766,849
                                    ------------   ------------   -------------    ------------    -----------
  Contributions (Note 2):
    Employers                          7,068,458      7,068,458
    Participants                      22,670,941      3,063,982       7,183,166       4,170,698      5,456,080
                                    ------------   ------------   -------------    ------------    -----------
      Total contributions             29,739,399     10,132,440       7,183,166       4,170,698      5,456,080
                                    ------------   ------------   -------------    ------------    -----------
         Total additions             110,486,747     49,188,520      32,280,541       7,979,723     14,222,929
                                    ------------   ------------   -------------    ------------    -----------
DEDUCTIONS FROM NET ASSETS
 ATTRIBUTED TO:
    Benefit payments                  36,772,690     15,124,527       6,933,307       9,960,275      2,546,306
    Administrative expenses               52,027          3,533          13,052          31,408          3,403
    Interfund transfers                               7,513,470      (8,179,596)      5,515,605      3,888,792
                                    ------------   ------------   -------------    ------------    -----------
          Total deductions            36,824,717     22,641,530      (1,233,237)     15,507,288      6,438,501
                                    ------------   ------------   -------------    ------------    -----------
          Net increase (decrease)     73,662,030     26,546,990      33,513,778      (7,527,565)     7,784,428

NET ASSETS AVAILABLE FOR
 BENEFITS:
   Beginning of year                 321,602,117    115,837,439      73,246,681      66,356,446     36,899,382
                                    ------------   ------------   -------------    ------------    -----------
   End of year                      $395,264,147   $142,384,429   $ 106,760,459    $ 58,828,881    $44,683,810
                                    ============   ============   =============    ============    ===========

                                                        SUPPLEMENTAL COMBINING INFORMATION
                                    ------------------------------------------------------------------------
                                                     LIFESTYLE      LIFESTYLE     LIFESTYLE
                                    INTERNATIONAL   CONSERVATIVE    MODERATE      AGGRESSIVE    PARTICIPANT
                                     EQUITY FUND       FUND           FUND          FUND        LOAN FEATURE
                                    -----------    -----------    -----------    -----------    ------------
ADDITIONS TO NET ASSETS
 ATTRIBUTED TO:
  Investment income (Note 1):
    Dividends                       $   740,870    $   106,997    $   307,271    $   275,772
    Interest/other income                 1,538            130            434            367    $  1,698,038
    Realized gain on sale of
       investments                       49,201         17,845        134,060         75,041
    Unrealized appreciation
       (depreciation) of
       investments (Note 5)            (544,148)       122,473        507,698        524,432
                                    -----------    -----------    -----------    -----------    ------------
      Total investment income           247,461        247,445        949,463        875,612       1,698,038
                                    -----------    -----------    -----------    -----------    ------------
  Contributions (Note 2):
    Employers
    Participants                        868,477        154,334        776,314        997,890
                                    -----------    -----------    -----------    -----------    ------------
      Total contributions               868,477        154,334        776,314        997,890
                                    -----------    -----------    -----------    -----------    ------------
         Total additions              1,115,938        401,779      1,725,777      1,873,502       1,698,038
                                    -----------    -----------    -----------    -----------    ------------
DEDUCTIONS FROM NET ASSETS
 ATTRIBUTED TO:
    Benefit payments                    404,798        285,061        499,308        205,874         813,234
    Administrative expenses                 194             31            200            206
    Interfund transfers              (2,611,612)      (901,716)    (1,811,036)    (3,098,187)       (315,720)
                                    -----------    -----------    -----------    -----------    ------------
          Total deductions           (2,206,620)      (616,624)    (1,311,528)    (2,892,107)        497,514
                                    -----------    -----------    -----------    -----------    ------------
          Net increase (decrease)     3,322,558      1,018,403      3,037,305      4,765,609       1,200,524

NET ASSETS AVAILABLE FOR
 BENEFITS:
   Beginning of year                  3,268,933      1,284,840      3,577,243      2,601,931      18,529,222
                                    -----------    -----------    -----------    -----------    ------------
   End of year                      $ 6,591,491    $ 2,303,243    $ 6,614,548    $ 7,367,540    $ 19,729,746
                                    ===========    ===========    ===========    ===========    ============
</TABLE>

See notes to combined financial statements.

                                       -5-
<PAGE>
THE SAVINGS PLAN FOR EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY,
THE SAVINGS PLAN FOR UNION EMPLOYEES OF ARIZONA PUBLIC SERVICE COMPANY AND
THE SAVINGS PLAN FOR EMPLOYEES OF PINNACLE WEST CAPITAL CORPORATION
- --------------------------------------------------------------------------------
COMBINED  STATEMENT  OF  CHANGES  IN NET  ASSETS  AVAILABLE  FOR  BENEFITS  WITH
SUPPLEMENTAL COMBINING INFORMATION FOR THE YEAR ENDED DECEMBER 31, 1996
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                  SUPPLEMENTAL COMBINING INFORMATION
                                                 --------------------------------------------------------------------
                                                 PINNACLE WEST                  FIXED       AGGRESSIVE     BALANCED
                                     COMBINED     STOCK FUND     INDEX FUND   INCOME FUND   EQUITY FUND      FUND
                                  ------------   ------------   ------------  -----------   ------------  -----------
<S>                               <C>            <C>            <C>            <C>          <C>             <C>
ADDITIONS TO NET ASSETS
 ATTRIBUTED TO:
  Investment income (Note 1):
    Dividends                     $  6,557,131   $  3,761,585                               $ 2,322,589  $   158,356
    Interest income                  5,370,324         59,289                 $ 3,747,325
    Income from settlement
     (Note 3)                          957,427        351,831   $   154,273       324,919       101,025
    Realized gain on sale
     of investments                  5,832,026      3,180,929     1,977,669                     489,947       96,850
    Unrealized appreciation
       (depreciation) of
       investments (Note 5)         19,357,421      7,818,099    11,146,619                     386,776     (288,293)
                                  ------------   ------------   -----------   -----------   -----------  -----------
      Total investment income
        (loss)                      38,074,329     15,171,733    13,278,561     4,072,244     3,300,337      (33,087)
                                  ------------   ------------   -----------   -----------   -----------  -----------
  Contributions (Note 2):
    Employers                        7,225,732      7,225,732
    Participants                    22,693,280      3,720,945     6,509,011     5,416,753     5,809,125      627,436
                                  ------------   ------------   -----------   -----------   -----------  -----------
      Total contributions           29,919,012     10,946,677     6,509,011     5,416,753     5,809,125      627,436
                                  ------------   ------------   -----------   -----------   -----------  -----------
       Total additions              67,993,341     26,118,410    19,787,572     9,488,997     9,109,462      594,349
                                  ------------   ------------   -----------   -----------   -----------  -----------
DEDUCTIONS FROM NET ASSETS
 ATTRIBUTED TO:
    Benefit payments                15,425,820      8,533,725     1,863,410     3,741,062       669,266      128,928
    Administrative expenses             44,653          3,444         8,217        30,082         1,975          935
    Interfund transfers                            11,023,622    (2,772,928)    3,225,332    (7,682,903)   6,648,209
                                  ------------   ------------   -----------   -----------   -----------  -----------
        Total deductions            15,470,473     19,560,791      (901,301)    6,996,476    (7,011,662)   6,778,072
                                  ------------   ------------   -----------   -----------   -----------  -----------
        Net increase (decrease)     52,522,868      6,557,619    20,688,873     2,492,521    16,121,124   (6,183,723)

NET ASSETS AVAILABLE FOR
 BENEFITS:
   Beginning of year               269,079,249    109,279,820    52,557,808    63,863,925    20,778,258    6,183,723
                                  ------------   ------------   -----------   -----------   -----------  -----------
   End of year                    $321,602,117   $115,837,439   $73,246,681   $66,356,446   $36,899,382  $
                                  ============   ============   ===========   ===========   ===========  ===========

                                                      SUPPLEMENTAL COMBINING INFORMATION
                                    --------------------------------------------------------------------
                                                    LIFESTYLE     LIFESTYLE    LIFESTYLE
                                   INTERNATIONAL   CONSERVATIVE    MODERATE    AGGRESSIVE   PARTICIPANT
                                    EQUITY FUND       FUND           FUND        FUND       LOAN FEATURE
                                    -----------    -----------   -----------  -----------   ------------
ADDITIONS TO NET ASSETS
 ATTRIBUTED TO:
  Investment income (Note 1):
    Dividends                     $   109,897    $    42,362   $    77,063   $    85,279
    Interest income                                                                        $ 1,563,710
    Income from settlement
     (Note 3)                           6,662          1,980         8,351         8,386
    Realized gain on sale
     of investments                     1,454            552        74,490        10,135
    Unrealized appreciation
       (depreciation) of
       investments (Note 5)           109,796        (13,017)       90,799       106,642
                                  -----------    -----------   -----------   -----------   -----------
      Total investment income
       (loss)                         227,809         31,877       250,703       210,442     1,563,710
                                  -----------    -----------   -----------   -----------   -----------
  Contributions (Note 2):
    Employers
    Participants                      163,786         32,290       199,787       214,147
                                  -----------    -----------   -----------   -----------   -----------
      Total contributions             163,786         32,290       199,787       214,147
                                  -----------    -----------   -----------   -----------   -----------
         Total additions              391,595         64,167       450,490       424,589     1,563,710
                                  -----------    -----------   -----------   -----------   -----------
DEDUCTIONS FROM NET ASSETS
 ATTRIBUTED TO:
    Benefit payments                   12,741            264        83,506        15,224       377,694
    Administrative expenses
    Interfund transfers            (2,890,079)    (1,220,937)   (3,210,259)   (2,192,566)     (927,491)
                                  -----------    -----------   -----------   -----------   -----------
          Total deductions         (2,877,338)    (1,220,673)   (3,126,753)   (2,177,342)     (549,797)
                                  -----------    -----------   -----------   -----------   -----------
          Net increase (decrease)   3,268,933      1,284,840     3,577,243     2,601,931     2,113,507

NET ASSETS AVAILABLE FOR
 BENEFITS:
   Beginning of year                                                                        16,415,715
                                  -----------    -----------   -----------   -----------   -----------
   End of year                    $ 3,268,933    $ 1,284,840   $ 3,577,243   $ 2,601,931   $18,529,222
                                  ===========    ===========   ===========   ===========   ===========
</TABLE>

See notes to combined financial statements.

                                       -6-
<PAGE>

                         THE SAVINGS PLAN FOR EMPLOYEES
                       OF ARIZONA PUBLIC SERVICE COMPANY,

                      THE SAVINGS PLAN FOR UNION EMPLOYEES
                        OF ARIZONA PUBLIC SERVICE COMPANY

                                       AND

                        THE SAVINGS PLAN FOR EMPLOYEES OF
                        PINNACLE WEST CAPITAL CORPORATION

                     NOTES TO COMBINED FINANCIAL STATEMENTS


1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

          METHOD OF ACCOUNTING - The financial statements in this report reflect
     the combined assets, liabilities and net assets available for benefits of
     The Savings Plan for Employees of Arizona Public Service Company (the "APS
     Savings Plan"), The Savings Plan for Union Employees of Arizona Public
     Service Company (the "APS Union Plan"), and The Savings Plan for Employees
     of Pinnacle West Capital Corporation (the "Pinnacle West Plan"). The APS
     Savings Plan, the APS Union Plan, and the Pinnacle West Plan are
     collectively referred to as the "Plans." The combined financial statements
     have been prepared on the accrual basis of accounting. Investment
     transactions are recorded as of the trade date. Dividend income is recorded
     as of ex-dividend dates. All the outstanding shares of Arizona Public
     Service Company ("APS") stock are owned by Pinnacle West Capital
     Corporation ("Pinnacle West").

          INVESTMENTS - The Plans consist of a salary reduction arrangement and
     an employer matching contribution feature. The investment programs for the
     Plans consist of:

               Pinnacle West Stock Fund -- The fund consists primarily of common
          stock of Pinnacle West. The common stock is stated at fair value based
          on quoted market prices in an active market.

               Index Fund -- The fund consists of common stocks maintained by
          the Trustee (defined below) as part of a commingled fund. The fund is
          stated at fair value generally based on the last reported sales price
          on the last business day of the calendar year.

               Fixed Income Fund -- The fund consists primarily of several
          guaranteed investment contracts with varying rates of interest and
          varying maturities. The fund is stated at contract value which
          approximates fair value.

                                      -7-
<PAGE>
               Aggressive Equity Fund -- The fund consists primarily of common
          stocks maintained by Putnam Investments as part of the Putnam Voyager
          Fund, Class A. The fund is stated at fair value generally based on the
          last reported sales price on the last business day of the calendar
          year.

               International Equity Fund -- The fund consists primarily of
          stocks outside the United States and was maintained by Franklin
          Templeton as part of the Templeton Foreign Trust. Effective December
          1, 1998, the fund was maintained by Banker's Trust International
          Equity. The fund is stated at fair value generally based on the last
          reported sales price on the last business day of the calendar year.
          The APS Union Plan does not participate in the International Equity
          Fund.

               Conservative, Moderate and Aggressive Lifestyle Funds -- The
          funds consist primarily of cash, domestic stocks, international
          stocks, and domestic bonds and are maintained by the Vanguard Group as
          part of the Lifestrategy Portfolios: Conservative Growth Portfolio,
          Moderate Growth Portfolio, and Growth Portfolio. The funds are stated
          at fair value generally based on the last reported sales price on the
          last business day of the calendar year. The APS Union Plan does not
          participate in the Conservative and Aggressive Lifestyle Funds.

          PAYMENT OF BENEFITS - Benefits are recorded when paid.

          REALIZED GAIN (LOSS) AND UNREALIZED APPRECIATION (DEPRECIATION) -
     Realized gains (losses) are determined based on the average historical
     cost. Unrealized appreciation (depreciation) is determined based on the
     fair value of assets at the beginning of the Plan year.

          USE OF ESTIMATES - The preparation of financial statements in
     conformity with generally accepted accounting principles necessarily
     requires management to make estimates and assumptions that affect the
     reported amounts of assets and liabilities and disclosure of contingent
     assets and liabilities at the date of the financial statements and the
     reported amounts of revenues and expenses during the reporting period.
     Actual results could differ from these estimates.

2. DESCRIPTION OF THE PLANS

          GENERAL - The APS Savings Plan and APS Union Plan (collectively, the
     "APS Plans") are administered by a committee appointed by the APS Board of
     Directors. The Pinnacle West Plan is administered by a committee appointed
     by the Pinnacle West Board of Directors. The Plans are subject to the
     provisions of the Employee Retirement Income Security Act of 1974
     ("ERISA"). State Street Bank and Trust Company (the "Trustee") is the
     trustee for the Plans under a master trust agreement. Subsequent to the
     Plans' year end, the Plans' administrators decided to change the trustee
     from State Street Bank and Trust Company to Norwest Bank Minnesota, N.A.

                                      -8-
<PAGE>
          ELIGIBILITY - All employees of APS and salaried employees of Pinnacle
     West (collectively, the "Companies" or the "Employer") are eligible to
     participate in the pre-tax and after-tax features of the Plans upon
     attaining age 21 and completing thirty-one days of consecutive employment
     for the APS Plans and thirty days of consecutive employment for the
     Pinnacle West Plan, and are eligible to participate in the matching feature
     upon attaining age 21 and completing one year of service. The Pinnacle West
     Plan allows participation by employees of a company that becomes an
     affiliate of Pinnacle West if such employees were formerly participants in
     a certain type of qualified plan sponsored by their employer, regardless of
     whether they have satisfied the Pinnacle West Plan's other eligibility
     requirements.

          CONTRIBUTIONS - Participants in the APS Union Plan may direct APS to
     contribute any whole percentage from 1% to 10% of the participants' base
     pay as their tax deferred contribution to the Plan. In addition to or in
     lieu of making tax deferred contributions to the APS Union Plan,
     participants may elect to make contributions of up to 10% of their base pay
     as a voluntary contribution on an after tax basis, provided that in no
     event can the total tax deferred and voluntary contributions made by any
     participant in any year exceed 16% of his or her base pay. The APS Savings
     Plan and the Pinnacle West Plan allow employees to contribute up to 16% of
     their base pay on a pre-tax basis and up to 16% of their base pay on an
     after tax basis, provided that in no event would the total tax deferred and
     voluntary contributions made by any participant in any year exceed 16% of
     his or her base pay. The maximum allowable base pay ($160,000) and tax
     deferred contribution ($10,000 in 1998) are linked to the cost of living
     index and could change on an annual basis.

          Employer contributions to the Plans are fixed at 50% of the first 6%
     of an employee's pre-tax contributions. The Employer contributions may be
     in cash, common stock or other property acceptable to the Trustee.

          The Plans allow rollover contributions from another qualified plan or
     individual retirement rollover account, subject to certain criteria.

          INVESTMENT PROGRAMS - Participants' contributions may be invested in
     one or more of the following funds: Pinnacle West Stock Fund, Index Fund,
     Fixed Income Fund, Aggressive Equity Fund, International Equity Fund,
     Lifestyle Conservative Fund, Lifestyle Moderate Fund, and Lifestyle
     Aggressive Fund. Participants in the APS Union Plan may not invest in the
     International Equity Fund, Lifestyle Conservative Fund, or Lifestyle
     Aggressive Fund. The balance of non-participant-directed contributions and
     related earnings represents approximately $89,484,743 and $88,436,178 of
     the net assets available for benefits in the Pinnacle West Stock and Fixed
     Income Funds for 1998 and 1997, respectively.

                                      -9-
<PAGE>
          LOAN  FEATURE -  Participants  may borrow  money  from  their  pre-tax
     contributions  account,  vested Employer contributions account and rollover
     account  (if any).  Participants  may not  borrow  against  their  Employer
     transfer account or their after-tax contributions accounts.

          The minimum participant loan available is $1,000, and the maximum
     available is 50% of the participant's vested account balance, up to
     $50,000, reduced by the participant's highest outstanding loan balance in
     the 12-month period ending on the day before the loan is made. Only one
     loan per participant may be outstanding at any one time. Loan terms range
     from six months to five years, or up to 15 years for the purchase of a
     principal residence. An administrative fee is charged to the participant's
     account for each loan.

          The interest rate is determined at the time the loan is requested and
     is fixed for the life of the loan. The interest rate is the State Street
     Bank and Trust Company's prime interest rate plus one percent, determined
     as of the first business day of the month in which the loan is issued.
     Interest rates for loans issued during 1998 ranged from 8.75% to 9.50%.

          Loans are treated as transfers from the participant's investment funds
     on a pro-rata basis to the Participant Loan Feature. Loan repayments are
     treated as transfers from the Loan Feature to the participant's investment
     funds, based on the participant's current investment election. Loan
     repayments, including interest, are generally made through irrevocable
     semi-monthly (for the APS Plans) or bi-weekly (for the Pinnacle West Plan)
     payroll deductions.

          VESTING - Each participant is fully vested as to the participant's
     contribution account (consisting of the participant's contributions and
     related income and appreciation or depreciation). The participants become
     vested in their Employer contribution account (consisting of Employer
     contributions and related income and appreciation or depreciation) in the
     event of termination of service by death, disability or retirement, upon
     attaining the age of sixty-five, upon completion of five years of service,
     upon termination of the Plans, or upon complete discontinuance of Employer
     contributions; otherwise, participants vest in graduated amounts with 100
     percent vesting in five years of Plan participation, beginning with the
     first Plan year of Employee participation.

          WITHDRAWALS AND DISTRIBUTIONS - A participant may at any time make a
     full or partial withdrawal of the balance in the participant's after-tax
     contribution account and rollover contribution account. No withdrawals are
     permitted from a participant's transfer account. No withdrawals are
     permitted from the participant's pre-tax contribution account, except under
     certain limited circumstances relating to financial hardship. If an
     employee withdraws pre-tax contributions, the only earnings on those
     contributions that can be withdrawn are those credited prior to 1989.
     Generally, participants who are fully vested and who have participated in
     the Plans for five complete Plan years may

                                      -10-
<PAGE>
     withdraw  the  amount  in their  Employer  contribution  account.  When the
     participant's employment with the Companies is terminated,  the participant
     generally can elect to receive a distribution,  as soon as administratively
     possible, of the vested portion of his or her Employer contribution account
     together with the participant's contribution accounts.

          FORFEITURES - Forfeitures of nonvested Employer contributions will
     occur upon distribution following termination of employment with the
     Companies. However, if a former participant again becomes an employee of
     the Companies prior to the end of the fifth calendar year following the
     calendar year in which the participant's earlier termination of employment
     occurred (and, in the case of the APS Plans, only if the participant, upon
     reemployment, repays in full the amount previously distributed from the APS
     Plans), the forfeited Employer contributions will be restored to the
     participant's Employer contribution account. Forfeitures are used to reduce
     future Employer contributions to the Plans.

          TERMINATION OF THE PLANS - It is the Companies' present expectation
     that these Plans and the payment of Employer contributions will be
     continued indefinitely. However, continuance of any feature of the Plans is
     not assumed as a contractual obligation. The Companies, at their
     discretion, may terminate their respective plans and distribute net assets.
     In this event, the balance credited to the accounts of participants at the
     date of termination shall be fully vested and nonforfeitable.

3. INCOME FROM SETTLEMENT

          Pursuant to the settlement of a class action lawsuit, payment was made
     during 1996 on behalf of certain purchasers of Pinnacle West common stock,
     and certain participants in the Plans were entitled to receive a portion of
     the settlement. A settlement check of $903,751 was deposited into the
     Lifestyle Moderate Fund on September 20, 1996. Earnings within the
     Lifestyle Moderate Fund on the settlement distribution were $53,676. On
     December 20, 1996, the settlement distribution and related earnings were
     transferred out of the Lifestyle Moderate Fund and allocated into the
     respective participant accounts, based on each participant's current
     election option. If an individual previously received a full distribution
     from the TRAYSOP\PAYSOP Plan, which was previously liquidated and
     terminated, the settlement attributable to that plan was distributed by
     separate check in 1997.


4. INCOME TAX STATUS

          The Plans have been determined by the Internal Revenue Service to be
     qualified plans under the provisions of the Internal Revenue Code. As long
     as the Plans continue to be so qualified, under present Federal income tax
     laws and regulations: (a) participants will not be currently taxed on
     Employer contributions, on their own pre-tax

                                      -11-
<PAGE>
     contributions (see Note 2), or on investment  earnings on any contributions
     at the time such investment earnings are received by the Trustee,  but will
     be subject to tax thereon at such time as they receive actual benefits from
     the  Plans;  and (b) the  Plans  will not be taxed  on their  dividend  and
     interest  income or any capital gains realized by them or on any unrealized
     appreciation of investments.

5. UNREALIZED APPRECIATION (DEPRECIATION) OF INVESTMENTS

          Changes in unrealized appreciation (depreciation) of investments for
     each of the three years in the period ended December 31, 1998 were as
     follows:

                     Unrealized Appreciation (Depreciation)

                               Beginning of Year   End of Year        Change
                                 -------------    -------------    ------------
  1998
  ----
  Pinnacle West Stock Fund       $  76,201,672    $  72,891,916    $ (3,309,756)
  Index Fund                        51,023,616       75,486,268      24,462,652
  Aggressive Equity Fund             8,268,413       13,612,651       5,344,238
  International Equity Fund           (434,352)         204,040         638,392
  Lifestyle Conservative Fund          109,456          320,799         211,343
  Lifestyle Moderate Fund              598,497        1,533,783         935,286
  Lifestyle Aggressive Fund            631,074        1,844,359       1,213,285
                                 -------------    -------------    ------------
  Total                          $ 136,398,376    $ 165,893,816    $ 29,495,440
                                 =============    =============    ============

  1997
  ----
  Pinnacle West Stock Fund       $  46,821,429    $  76,201,672    $ 29,380,243
  Index Fund                        30,111,786       51,023,616      20,911,830
  Aggressive Equity Fund             3,373,451        8,268,413       4,894,962
  International Equity Fund            109,796         (434,352)       (544,148)
  Lifestyle Conservative Fund          (13,017)         109,456         122,473
  Lifestyle Moderate Fund               90,799          598,497         507,698
  Lifestyle Aggressive Fund            106,642          631,074         524,432
                                 -------------    -------------    ------------
       Total                     $  80,600,886    $ 136,398,376    $ 55,797,490
                                 =============    =============    ============

  1996
  ----
  Pinnacle West Stock Fund       $  39,003,330    $  46,821,429    $  7,818,099
  Index Fund                        18,965,167       30,111,786      11,146,619
  Aggressive Equity Fund             2,986,675        3,373,451         386,776
  Balanced Fund                        288,293                0        (288,293)
  International Equity Fund                  0          109,796         109,796
  Lifestyle Conservative Fund                0          (13,017)        (13,017)
  Lifestyle Moderate Fund                    0           90,799          90,799
  Lifestyle Aggressive Fund                  0          106,642         106,642
                                 -------------    -------------    ------------
       Total                     $  61,243,465    $  80,600,886    $ 19,357,421
                                 =============    =============    ============

                                      -12-
<PAGE>
6. GUARANTEED INVESTMENT CONTRACTS

          Under the contracts, interest rates on guaranteed investment contracts
     (GICs) vary within the Fixed Income Fund. The contracts have a weighted
     average crediting interest rate at December 31, 1998, 1997, and 1996 of
     6.65%, 6.82%, and 6.31%, respectively. The average yield for 1998
     approximated the weighted average crediting interest rate. The crediting
     interest rates on the GICs may be reset on a quarterly or semi-annual
     basis, or may be fixed, based on the terms of the contract.

          Nine of the GICs are managed synthetic investment contracts. The fair
     value of the trust assets related to these contracts is $26,545,286. The
     contract value of the trust assets is $26,581,790.

7. BENEFITS PAYABLE

          As of December 31, 1998 and 1997, net assets available for benefits
     included benefits of $119 and $1,958, respectively, due to participants who
     had withdrawn from participation in the Plans.

8. PARTICIPATING EMPLOYEES

            As of December 31, 1998 and 1997, the aggregate  number of employees
        participating in the Plans was 5,093 and 5,417, respectively.

9. NET ASSET VALUE PER UNIT

          In accordance with the provisions of the Plans, the Trustee maintains
     separate units of participation in the Plans and related net asset value
     per unit for the Pinnacle West Stock, Index, Fixed Income, Aggressive
     Equity, International Equity, and Lifestyle Conservative, Moderate and
     Aggressive Funds. The number of units and related net asset value per unit
     at December 31 are:

                                          Net Asset Value
                                              Per Unit           Number of Units
                                          ---------------        ---------------
                   1998
                   ----
     Pinnacle West Stock Fund              $ 23.887787              6,044,778
     Index Fund                              26.157241              5,385,002
     Fixed Income Fund                        5.644700             11,649,599
     Aggressive Equity Fund                 104.625244                544,207
     International Equity Fund               40.791974                146,906
     Lifestyle Conservative                  21.622221                190,621
     Lifestyle Moderate                      30.785558                351,399
     Lifestyle Aggressive                    40.298341                266,513

                                      -13-
<PAGE>
                   1997
                   ----
     Pinnacle West Stock Fund              $ 23.231300              6,128,991
     Index Fund                              20.346475              5,247,123
     Fixed Income Fund                        5.290992             11,118,686
     Aggressive Equity Fund                  84.349358                529,747
     International Equity Fund               40.307033                163,532
     Lifestyle Conservative                  18.656291                123,457
     Lifestyle Moderate                      25.870800                255,676
     Lifestyle Aggressive                    33.196047                221,940

10. RELATED PARTY TRANSACTIONS

          COSTS OF ADMINISTRATION - Substantially all costs of administration of
     the Plans have been paid by the Companies except for loan administration
     fees.

<TABLE>
<CAPTION>
                            Pinnacle West Stock Fund
                            ------------------------
                                                                 1998          1997         1996
                                                                 ----          ----         ----
<S>                                                            <C>           <C>          <C>
     Shares of Pinnacle West common stock held by the Plans    3,347,659     3,328,704    3,611,371

     Employer cash contributions                              $7,539,003   $ 7,068,458   $7,225,732
     Investments by the Plans in Pinnacle West common stock   $6,816,758   $ 5,675,942   $4,494,219
     Sales made by the Plans of Pinnacle West common stock    $5,862,863   $14,390,546   $8,572,009
     Aggregate cost of Pinnacle West common stock sold        $2,703,784   $ 8,663,385   $5,391,080

                                   Index Fund
                                   ----------

                                                                 1998          1997         1996
                                                                 ----          ----         ----
     Investments by the Plans in Trustee's Index Fund        $15,840,086   $17,339,038   $13,147,476
     Sales made by the Plans of Trustee's Index Fund         $12,514,603   $ 9,092,627   $ 5,243,720
     Aggregate cost of Trustee's Index Fund sold             $ 6,320,752   $ 4,926,370   $ 3,266,052


              Temporary Investments in Funds Managed by the Trustee
              -----------------------------------------------------
                                                                 1998          1997         1996
                                                                 ----          ----         ----
     Investments by the Plans in temporary investment funds  $53,891,371   $50,617,593   $46,840,277
     Sales made by the Plans of temporary investment funds   $51,658,594   $58,245,727   $33,293,798
</TABLE>

          The temporary investments are bought and sold at par.

                                      -14-
<PAGE>
EXHIBITS FILED.


Exhibit No.       Description
- -----------       -----------

   23.1           Independent Auditors' Consent

                                      -15-
<PAGE>
                                   SIGNATURES


         The Plan.  Pursuant to the requirements of the Securities  Exchange Act
of 1934,  the  Committee  has duly caused this annual report to be signed by the
undersigned hereunto duly authorized.

                                    THE SAVINGS PLAN FOR EMPLOYEES OF
                                    PINNACLE WEST CAPITAL CORPORATION
                                    ---------------------------------
                                            (Name of Plan)



Date: June 25, 1999                 By Faye Widenmann
                                       -------------------------------------
                                       Faye Widenmann
                                       Chairman of the Administrative Committee
                                       and Vice President and Secretary
                                       Pinnacle West Capital Corporation



                                      -16-

                                  EXHIBIT 23.1


INDEPENDENT AUDITOR'S CONSENT


We consent to the incorporation by reference in  Post-Effective  Amendment No. 2
to Registration  Statement No. 33-10442 of Pinnacle West Capital  Corporation on
Form S-8 of our report dated June 23, 1999  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, 1998.


DELOITTE & TOUCHE LLP

DELOITTE & TOUCHE LLP
Phoenix, Arizona
June 25, 1999


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