ILLINOIS POWER CO
10-Q, 1998-11-16
ELECTRIC & OTHER SERVICES COMBINED
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549


                                    Form 10-Q

              (X) QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                For the quarterly period ended SEPTEMBER 30, 1998

                                       OR
              ( ) TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

             For the transition period from __________to __________

Commission   Registrants; State of Incorporation;       IRS Employer
File Number   Address; and Telephone Number           Identification No.

  1-11327          Illinova Corporation                  37-1319890
                   (an Illinois Corporation)
                   500 S. 27th Street
                   Decatur, IL  62521
                   (217) 424-6600

  1-3004           Illinois Power Company                37-0344645
                   (an Illinois Corporation)
                   500 S. 27th Street
                   Decatur, IL  62521
                   (217) 424-6600

         Indicate  by check  mark  whether  the  registrants  (1) have filed all
reports  required to be filed by Section 13 or 15(d) of the Securities  Exchange
Act of 1934 during the preceding 12 months (or for such shorter  period that the
registrant was required to file such report),  and (2) have been subject to such
filing requirements for the past 90 days.

                             Illinova        Yes X  No
                             Corporation        ----  ----
                             Illinois Power  Yes X  No
                             Company            ----  ----

         Indicate  the  number of  shares  outstanding  of each of the  issuers'
classes of common stock, as of the latest practicable date:

Illinova Corporation          Common stock, no par value, 71,713,387
                              shares outstanding at October 31, 1998

Illinois Power Company        Common stock,  no par value, 65,150,562
                              shares outstanding held  by  Illinova
                              Corporation  at October 31, 1998




                                       1
<PAGE>




                              ILLINOVA CORPORATION
                             ILLINOIS POWER COMPANY

This combined Form 10-Q is separately filed by Illinova Corporation and Illinois
Power Company.  Information  contained herein relating to Illinois Power Company
is filed by Illinova Corporation and separately by Illinois Power Company on its
own behalf.  Illinois  Power Company makes no  representation  as to information
relating to Illinova Corporation or its subsidiaries, except as it may relate to
Illinois Power Company.

               FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 1998
                                      INDEX
                                                                     PAGE NO.
Part I.  FINANCIAL INFORMATION
  Item 1.  Financial Statements

           Illinova Corporation

                Consolidated Balance Sheets                           3 - 4
                Consolidated Statements of Income                         5
                Consolidated Statements of Cash Flows                     6

           Illinois Power Company

                Consolidated Balance Sheets                           7 - 8
                Consolidated Statements of Income                         9
                Consolidated Statements of Cash Flows                    10

           Notes to Consolidated Financial Statements of
                Illinova Corporation and
                Illinois Power Company                              11 - 17

  Item 2.  Management's Discussion and Analysis of
                Financial Condition and Results of
                Operations for Illinova Corporation
                and Illinois Power Company                          18 - 28

Part II.  OTHER INFORMATION

  Item 1:  Legal Proceedings                                             29


  Item 6:  Exhibits and Reports on Form 8-K                              30

  Signatures                                                        31 - 32

  Exhibit Index                                                          33




                                       2
<PAGE>



                          PART I. FINANCIAL INFORMATION
                              ILLINOVA CORPORATION
                           CONSOLIDATED BALANCE SHEETS
          (See accompanying Notes to Consolidated Financial Statements)

                                                  SEPTEMBER 30,    DECEMBER 31,
                                                      1998            1997
ASSETS                                            (Unaudited)       (Audited)
                                                     (Millions of Dollars)
Utility Plant, at original cost
   Electric (includes construction work
       in progress of $200.5 million and
       $214.3 million, respectively)              $ 6,841.9          $ 6,690.4
   Gas (includes construction work
       in progress of $12.3 million and
       $10.7 million, respectively)                   680.6              663.0
                                                  ----------         ----------
                                                    7,522.5            7,353.4
Less - Accumulated depreciation                     2,931.4            2,808.1
                                                  ----------         ----------
                                                    4,591.1            4,545.3
Nuclear fuel in process                                 6.2                6.3
Nuclear fuel under capital lease                      130.2              126.7
                                                  ----------         ----------
     Total utility plant                            4,727.5            4,678.3
                                                  ----------         ----------
Investments and Other Assets                          236.6              198.8
                                                  ----------         ----------
Current Assets
   Cash and cash equivalents                           14.9               33.0
   Accounts receivable (less allowance
    for doubtful accounts of $5.5 million)
     Service                                          145.0              115.6
     Other                                            100.8              102.3
   Accrued unbilled revenue                            79.4               86.3
   Materials and supplies, at average cost            121.8              118.6
   Prepayments and other                               45.5               64.4
                                                  ----------         ----------
     Total current assets                             507.4              520.2
                                                  ----------         ----------
Deferred Charges                                      199.7              185.7
                                                  ----------         ----------
                                                  $ 5,671.2          $ 5,583.0
                                                  ==========         ==========

                                       3
<PAGE>


                              ILLINOVA CORPORATION
                           CONSOLIDATED BALANCE SHEETS
          (See accompanying Notes to Consolidated Financial Statements)

                                                  SEPTEMBER 30,    DECEMBER 31,
                                                      1998            1997
CAPITAL AND LIABILITIES                            (Unaudited)      (Audited)
                                                      (Millions of Dollars)
Capitalization
   Common stock -
     No par value, 200,000,000 shares authorized;
     75,681,937 shares issued, stated at          $  1,425.7         $  1,425.7
   Less - Deferred compensation - ESOP                   7.3               10.2
   Retained earnings (Deficit)                         (12.1)              51.7
   Less - Capital stock expense                          7.3                7.3
   Less - 3,968,550 and 4,000,000 shares of
     common stock in treasury, respectively,
     at cost                                            89.7               90.4
                                                   ----------         ----------
       Total common stock equity                     1,309.3            1,369.5
  
   Preferred stock of subsidiary                        57.1               57.1
   Company obligated mandatorily redeemable
     preferred stock of subsidiary                     197.0              197.0
   Long-term debt                                      170.0              100.0
   Long-term debt of subsidiary                      1,737.1            1,617.5
                                                   ----------         ----------
       Total capitalization                          3,470.5            3,341.1
                                                   ----------         ----------

Current Liabilities
   Accounts payable                                    190.1              177.3
   Notes payable                                       256.5              415.3
   Long-term debt and lease obligations
     of subsidiary maturing within one year            115.3               87.5
   Other                                               162.4              181.6
                                                   ----------         ----------
       Total current liabilities                       724.3              861.7
                                                   ----------         ----------
Deferred Credits
   Accumulated deferred income taxes                   990.7              969.0
   Accumulated deferred investment tax credits         203.1              208.3
   Other                                               282.6              202.9
                                                   ----------         ----------
       Total deferred credits                        1,476.4            1,380.2
                                                   ----------         ----------
                                                   $ 5,671.2          $ 5,583.0
                                                   ==========         ==========


                                       4
<PAGE>


<TABLE>
                                              ILLINOVA CORPORATION
                                        CONSOLIDATED STATEMENTS OF INCOME
                          (See accompanying Notes to Consolidated Financial Statements)

                                              THREE MONTHS ENDED              NINE MONTHS ENDED
                                                 SEPTEMBER 30,                  SEPTEMBER 30,
                                              1998            1997           1998           1997
                                                                 (Unaudited)
                                                   (Millions of dollars except per share)
Operating Revenues:
<S>                                         <C>             <C>            <C>            <C>       
    Electric                            $        392.0    $     394.0    $     973.1    $     977.9
    Electric interchange                         285.1           61.3          494.1          141.4
    Gas                                           38.2           41.8          204.6          265.9
    Diversified enterprises                      108.0          344.7          274.2          569.9
                                          -------------     ----------     ----------     ----------
       Total                                     823.3          841.8        1,946.0        1,955.1
                                          -------------     ----------     ----------     ----------

Operating Expenses:
    Fuel for electric plants                      73.4           66.4          183.0          163.9
    Power purchased                              317.7           74.2          644.2          155.6
    Gas purchased for resale                      15.3           18.1          103.7          140.6
    Diversified enterprises                      115.5          353.4          295.2          612.6
    Other operating expenses                      92.0           73.4          259.7          196.4
    Maintenance                                   41.0           27.9          105.0           78.1
    Depreciation & amortization                   51.0           50.1          152.2          148.4
    General taxes                                 27.3           34.1          100.3          105.8
                                          -------------     ----------     ----------     ----------
       Total                                     733.2          697.6        1,843.3        1,601.4
                                          -------------     ----------     ----------     ----------
Operating Income                                  90.1          144.2          102.7          353.7
                                          -------------     ----------     ----------     ----------
Other Income and Deductions:
    Miscellaneous-net                              1.5            1.1            2.8            3.3
    Equity earnings in affiliates                  2.8            4.7           11.7           11.1
                                          -------------     ----------     ----------     ----------
       Total                                       4.3            5.8           14.5           14.4
                                          -------------     ----------     ----------     ----------
Income Before Interest
    Charges and Income Taxes                      94.4          150.0          117.2          368.1
                                          -------------     ----------     ----------     ----------
Interest Charges:
    Interest expense                              36.8           34.5          109.3          108.7
    Allowance for borrowed funds
       used during construction                  (1.5)          (0.7)          (3.8)          (3.4)
    Preferred dividend
       requirements of subsidiary                  5.0            5.5           14.9           16.4
                                          -------------     ----------     ----------     ----------
       Total                                      40.3           39.3          120.4          121.7
                                          -------------     ----------     ----------     ----------
Income Before Income Taxes                        54.1          110.7          (3.2)          246.4
                                          -------------     ----------     ----------     ----------
Income Taxes                                      27.5           47.4          (5.8)          107.7
                                          -------------     ----------     ----------     ----------
Net Income                                        26.6           63.3            2.6          138.7
    Carrying amount over
       consideration paid for redeemed
       preferred stock of subsidiary                 -            1.1              -            1.1
                                          -------------     ----------     ----------     ----------
Net Income Applicable to
    Common Stock                        $         26.6    $      64.4    $       2.6    $     139.8
                                          =============     ==========     ==========     ==========
Earnings per common share (basic
    and diluted)                                 $0.37          $0.87          $0.04          $1.87
Cash dividends declared per
    common share                                 $0.31          $0.31          $0.93          $0.93
Cash dividends paid per
    common share                                 $0.31          $0.31          $0.93          $0.93
Weighted average number of
    common shares outstanding
    during period                           71,713,387     73,009,027     71,709,188     74,770,016



                                       5
<PAGE>



   
</TABLE>
                              ILLINOVA CORPORATION
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
          (See accompanying Notes to Consolidated Financial Statements)

                                              NINE MONTHS ENDED
                                                SEPTEMBER 30,
                                            1998            1997
                                                 (Unaudited)
                                            (Millions of dollars)

CASH FLOWS FROM OPERATING ACTIVITIES
   Net income                            $    2.6         $  138.7
   Items not requiring cash, net            119.4            206.5
   Changes in assets and liabilities         99.3            (69.4)
                                           -------         --------

   Net cash provided by
   operating activities                     221.3            275.8
                                           -------         --------

CASH FLOWS FROM INVESTING ACTIVITIES
   Construction expenditures               (190.5)         (131.2)
   Other investing activities               (36.8)          (41.0)
                                           -------        --------

   Net cash used in investing
   activities                              (227.3)         (172.2)
                                           -------        --------

CASH FLOWS FROM FINANCING ACTIVITIES
   Dividends on common stock                (66.7)          (70.1)
   Repurchase of common stock                   -           (90.4)
   Reissuance of common stock                 0.7               -
   Redemptions -
      Short-term debt                      (372.4)         (168.5)
      Long-term debt of subsidiary         (109.2)         (150.2)
      Preferred stock of subsidiary             -            (4.1)
   Issuances -
      Short-term debt                       213.5           133.0
      Long-term debt                        322.5           250.0
   Other financing activities                (0.5)           (3.0)
                                           -------        --------

   Net cash used in financing
   activities                              (12.1)          (103.3)
                                           -------        --------

   NET CHANGE IN CASH AND CASH
   EQUIVALENTS                             (18.1)             0.3
   CASH AND CASH EQUIVALENTS
      AT BEGINNING OF YEAR                  33.0             24.6
                                           -------        --------

   CASH AND CASH EQUIVALENTS
      AT END OF PERIOD                   $   14.9         $   24.9
                                           =======         ========


                                       6
<PAGE>


                             ILLINOIS POWER COMPANY
                           CONSOLIDATED BALANCE SHEETS
          (See accompanying Notes to Consolidated Financial Statements)

                                         SEPTEMBER 30,    DECEMBER 31,
                                            1998              1997
ASSETS                                   (Unaudited)        (Audited)
                                             (Millions of Dollars)
Utility Plant, at original cost
   Electric (includes construction work
      in progress of $200.5 million and
      $214.3 million, respectively)      $ 6,841.9          $  6,690.4
   Gas (includes construction work
      in progress of $12.3 million and
      $10.7 million, respectively)           680.6               663.0
                                         ----------         -----------
                                           7,522.5             7,353.4
Less - Accumulated depreciation            2,931.4             2,808.1
                                         ----------         -----------
                                           4,591.1             4,545.3
Nuclear fuel in process                        6.2                 6.3
Nuclear fuel under capital lease             130.2               126.7
                                         ----------         -----------
    Total utility plant                    4,727.5             4,678.3
                                         ----------         -----------
Investments and Other Assets                   4.8                 5.9
                                         ----------         -----------
Current Assets
   Cash and cash equivalents                   2.9                17.8
   Accounts receivable (less allowance
    for doubtful accounts of $5.5 million)
    Service                                  145.0               115.6
    Other                                     23.0                16.6
   Accrued unbilled revenue                   79.4                86.3
   Materials and supplies, at average cost   121.0               117.3
   Prepayments and other                      39.0                61.2
                                         ----------         -----------
    Total current assets                     410.3               414.8
                                         ----------         -----------
Deferred Charges                             203.6               192.5
                                         ----------         -----------
                                         $ 5,346.2          $  5,291.5
                                         ==========         ===========



                                       7
<PAGE>


                             ILLINOIS POWER COMPANY
                           CONSOLIDATED BALANCE SHEETS
          (See accompanying Notes to Consolidated Financial Statements)

                                                SEPTEMBER 30,    DECEMBER 31,
                                                  1998             1997
CAPITAL AND LIABILITIES                         (Unaudited)     (Audited)
                                                  (Millions of Dollars)
Capitalization
   Common stock -
    No par value, 100,000,000 shares
    authorized; 75,643,937 shares issued,
    stated at                                  $  1,424.6       $  1,424.6
   Retained earnings                                 57.1             89.5
   Less - Capital stock expense                       7.3              7.3
   Less - 10,493,375 and 9,428,645 shares of
    common stock in treasury, respectively,
    at cost                                         237.1            207.7
                                                ----------      -----------
       Total common stock equity                  1,237.3          1,299.1
   
Preferred stock                                      57.1             57.1
Company obligated mandatorily
 redeemable preferred stock                         197.0            197.0
Long-term debt                                    1,737.1          1,617.5
                                                ----------      -----------
       Total capitalization                       3,228.5          3,170.7

Current Liabilities
   Accounts payable                                 136.3            102.7
   Notes payable                                    256.5            376.8
   Long-term debt and lease obligations
    maturing within one year                        115.3             87.5
   Other                                            113.1            162.1
                                                ----------      -----------
       Total current liabilities                    621.2            729.1
                                                ----------      -----------
Deferred Credits
   Accumulated deferred income taxes              1,010.8            980.6
   Accumulated deferred investment tax credits      203.1            208.3
   Other                                            282.6            202.8
                                                ----------      -----------
       Total deferred credits                     1,496.5          1,391.7
                                                ----------      -----------
                                                $ 5,346.2       $  5,291.5
                                                ==========      ===========


                                       8
<PAGE>


<TABLE>
                             ILLINOIS POWER COMPANY
                        CONSOLIDATED STATEMENTS OF INCOME
          (See accompanying Notes to Consolidated Financial Statements)

                                      THREE MONTHS ENDED            NINE MONTHS ENDED
                                        SEPTEMBER 30,                 SEPTEMBER 30,
                                     1998           1997           1998           1997
                                                        (Unaudited)
                                                   (Millions of dollars)
Operating Revenues:
<S>                                   <C>            <C>            <C>            <C>   
    Electric                          $392.0         $394.0         $973.1         $977.9
    Electric interchange               285.1           61.3          494.1          141.4
    Gas                                 38.2           41.8          204.6          265.9
                                   ----------     ----------     ----------     ----------
       Total                           715.3          497.1        1,671.8        1,385.2
                                   ----------     ----------     ----------     ----------

Operating Expenses and Taxes:
    Fuel for electric plants            73.4           66.4          183.0          163.9
    Power purchased                    317.7           74.2          644.2          155.6
    Gas purchased for resale            15.3           18.1          103.7          140.6
    Other operating expenses            92.0           73.4          259.7          196.4
    Maintenance                         41.0           27.9          105.0           78.1
    Depreciation & amortization         51.0           50.1          152.2          148.4
    General taxes                       27.3           34.1          100.3          105.8
    Income taxes                        31.1           51.1            5.2          123.1
                                   ----------     ----------     ----------     ----------
       Total                           648.8          395.3        1,553.3        1,111.9
                                   ----------     ----------     ----------     ----------
Operating Income                        66.5          101.8          118.5          273.3
                                   ----------     ----------     ----------     ----------
Other Income and Deductions, Net         1.5            2.1            4.4            4.4
                                   ----------     ----------     ----------     ----------
Income Before Interest Charges          68.0          103.9          122.9          277.7
                                   ----------     ----------     ----------     ----------

Interest Charges and Other:
    Interest expense                    34.1           32.7          101.5          102.8
    Allowance for borrowed funds
       used during construction        (1.5)          (0.7)          (3.8)          (3.4)
                                   ----------     ----------     ----------     ----------
       Total                            32.6           32.0           97.7           99.4
                                   ----------     ----------     ----------     ----------

Net Income                              35.4           71.9           25.2          178.3
    Less-Preferred dividend
       requirements                      5.0            5.5           14.9           16.4
    Plus - Carrying amount over
       consideration paid for
       redeemed preferred stock            -            1.1              -            1.1
                                   ----------     ----------     ----------     ----------
Net Income Applicable to
    Common Stock                       $30.4          $67.5          $10.3         $163.0
                                   ==========     ==========     ==========     ==========

</TABLE>


                                       9
<PAGE>


                             ILLINOIS POWER COMPANY
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
          (See accompanying Notes to Consolidated Financial Statements)

                                              NINE MONTHS ENDED
                                                SEPTEMBER 30,
                                            1998             1997
                                                 (Unaudited)
                                            (Millions of dollars)

CASH FLOWS FROM OPERATING ACTIVITIES
   Net income                              $  25.2          $ 178.3
   Items not requiring cash, net             127.9            201.1
   Changes in assets and liabilities         107.7            (62.2)
                                           --------         --------

   Net cash provided by
   operating activities                      260.8            317.2
                                           --------         --------

CASH FLOWS FROM INVESTING ACTIVITIES
   Construction expenditures                (190.5)          (131.2)
   Other investing activities                  2.0              9.2
                                           --------         --------

   Net cash used in investing
   activities                              (188.5)          (122.0)
                                           --------         --------

CASH FLOWS FROM FINANCING ACTIVITIES
   Dividends on preferred and
   common stock                             (80.0)           (86.9)
   Repurchase of common stock               (29.4)          (119.7)
   Redemptions -
      Short-term debt                      (325.0)          (114.4)
      Long-term debt                       (109.2)          (150.2)
      Preferred stock                           -             (4.1)
   Issuances -
      Short-term debt                       204.6            133.0
      Long-term debt                        252.5            150.0
   Other financing activities                (0.7)            (3.2)
                                           --------         --------

   Net cash used in financing
   activities                               (87.2)          (195.5)
                                           --------         --------

NET CHANGE IN CASH AND CASH EQUIVALENTS     (14.9)            (0.3)
CASH AND CASH EQUIVALENTS
      AT BEGINNING OF YEAR                   17.8             12.5
                                           --------         --------

CASH AND CASH EQUIVALENTS
      AT END OF PERIOD                     $  2.9           $ 12.2
                                           ========        ========


                                       10
<PAGE>



                 ILLINOVA CORPORATION AND ILLINOIS POWER COMPANY
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

GENERAL

     Financial  statement  note  disclosures,  normally  included  in  financial
statements prepared in conformity with generally accepted accounting principles,
have been omitted from this Form 10-Q pursuant to the Rules and  Regulations  of
the  Securities  and  Exchange  Commission  (SEC).  However,  in the  opinion of
Illinova Corporation (Illinova) and Illinois Power Company (IP), the disclosures
and information contained in this Form 10-Q are adequate and not misleading. See
the consolidated  financial  statements and the accompanying notes in Illinova's
1997 Annual  Report to  Shareholders,  (included  in the Proxy  Statement),  the
consolidated financial statements and the accompanying notes in IP's 1997 Annual
Report to Shareholders (included in the Information  Statement),  Illinova's and
IP's 1997 Form 10-K filings to the SEC,  Illinova's and IP's Report on Form 10-Q
for the quarters ended March 31, 1998 and June 30, 1998, and Illinova's and IP's
1998 Form 8-K filings to the SEC for  information  relevant to the  consolidated
financial  statements  contained  herein,  including  information  as to certain
regulatory  and  environmental  matters  and  as to the  significant  accounting
policies followed.

     In the opinion of Illinova,  the accompanying  unaudited September 30, 1998
and audited  December 31, 1997  consolidated  financial  statements for Illinova
reflect all  adjustments  necessary to present fairly the  Consolidated  Balance
Sheets  as of  September  30,  1998 and  December  31,  1997,  the  Consolidated
Statements  of Income for the three months and the nine months  ended  September
30, 1998 and 1997,  and the  Consolidated  Statements of Cash Flows for the nine
months ended September 30, 1998 and 1997. In addition, it is Illinova's and IP's
opinion that the accompanying  unaudited September 30, 1998 and audited December
31,  1997  consolidated  financial  statements  for IP reflect  all  adjustments
necessary to present fairly the Consolidated  Balance Sheets as of September 30,
1998 and December 31, 1997, the Consolidated  Statements of Income for the three
months  and  the  nine  months  ended  September  30,  1998  and  1997,  and the
Consolidated  Statements  of Cash Flows for the nine months ended  September 30,
1998 and 1997.  Due to seasonal and other  factors which are  characteristic  of
electric and gas utility operations,  interim period results are not necessarily
indicative of results to be expected for the year.

     The consolidated  financial  statements of Illinova include the accounts of
Illinova,  IP, Illinova  Generating  Company (IGC),  Illinova  Insurance Company
(IIC), Illinova Energy Partners,  Inc. (IEP), and Illinova Business Enterprises,
Inc.  (IBE).  IBE was  incorporated  in  1998  in the  state  of  Illinois.  All
significant intercompany balances and transactions have been eliminated from the
consolidated  financial statements.  All non-utility operating  transactions are
included in the sections titled "Diversified  enterprises",  "Interest expense",
"Income  taxes" and "Other Income and  Deductions"  in  Illinova's  Consolidated
Statements of Income.

     The  consolidated  financial  statements  of IP  include  the  accounts  of
Illinois  Power  Capital,  L.P.  and  Illinois  Power  Financing  I (IPFI).  All
significant intercompany balances and transactions have been eliminated from the
consolidated  financial statements.  All non-utility operating  transactions are
included  in the  section  titled  "Other  Income and  Deductions,  Net" in IP's
Consolidated Statements of Income.




                                       11
<PAGE>



REGULATORY AND LEGAL MATTERS

     OPEN ACCESS AND COMPETITION

     On December 16, 1997, Illinois Governor Edgar signed electric  deregulation
legislation, An Act in Relation to the Competitive Provision of Utility Services
(P.A.  90-561).  P.A.  90-561  gives  IP's  residential  customers  a 15 percent
decrease in base electric  rates  beginning  August 1, 1998, and an additional 5
percent  decrease  effective on May 1, 2002.  The rate decreases are expected to
result in revenue reductions of approximately $40 million in 1998, approximately
$80  million  in each of the years  1999  through  2001 and  approximately  $100
million in 2002,  based on current  consumption.  Customers  with demand greater
than 4 MW at a single  site will be free to  choose  their  electric  generation
suppliers ("direct access") starting in October 1999. Customers with at least 10
sites  which  aggregate  at least 9.5 MW in total  demand  also will have direct
access starting  October 1999.  Direct access for the remaining  non-residential
customers  will occur in two phases:  customers  representing  one-third  of the
remaining  load in the  non-residential  class in  October  1999  and  customers
representing  the entire  remaining  non-residential  load on December 31, 2000.
Direct  access will be available to all  residential  customers in May 2002.  IP
remains obligated to serve all customers who continue to take service from IP at
tariff  rates,  and  remains  obligated  to provide  delivery  service to all at
regulated  rates.  In 1999,  rates for delivery  services will be established in
proceedings mandated by the legislation.

     Although the specified  residential rate reductions and the introduction of
direct  access will lead to lower  electric  service  revenues,  P.A.  90-561 is
designed to protect the  financial  integrity  of  electric  utilities  in three
principal ways:

1)   Departing customers are obligated to pay transition  charges,  based on the
     utility's  lost  revenue from that  customer.  The  transition  charges are
     calculated by  subtracting  from a customer's  fully bundled rate an amount
     equal to a) delivery  charges the utility will continue to receive from the
     customer,  b) the market  value of  freed-up  energy,  and c) a  mitigation
     factor,  which is the higher of a fixed rate per Kwh or a percentage of the
     customer's  bundled base rate. The mitigation factor is designed to provide
     incentive for  management to continue cost  reduction  efforts and generate
     new sources of revenue;

2)   Utilities are provided the opportunity to lower their financing and capital
     costs through the issuance of "securitized" bonds, also called transitional
     funding instruments; and

3)   Utilities are permitted to seek rate relief in the event that the change in
     law leads to their return on equity falling below a specified minimum based
     on a prescribed test. Utilities are also subject to an "over-earnings" test
     which requires them, in effect, to share with customers  earnings in excess
     of specified levels.

     The extent to which revenues are lowered will depend on a number of factors
including future market prices for wholesale and retail energy,  and load growth
and demand levels in the current IP service territory.  The impact on net income
will  depend on,  among  other  things,  the amount of  revenues  earned and the
ongoing costs of doing business.



                                       12
<PAGE>


     ACCOUNTING MATTERS


     Prior to the passage of P.A. 90-561, IP prepared its consolidated financial
statements in accordance with Statement of Financial  Accounting Standards (FAS)
No. 71,  "Accounting for the Effects of Certain Types of Regulation."  Reporting
under FAS 71 allows companies whose service obligations and prices are regulated
to maintain on their  balance  sheets assets  representing  costs they expect to
recover from customers,  through  inclusion of such costs in their future rates.
In July 1997, the Emerging Issues Task Force (EITF)  concluded that  application
of FAS 71  accounting  should  be  discontinued  at the  date  of  enactment  of
deregulation  legislation for business segments for which a plan of deregulation
has been  established.  The EITF further  concluded that  regulatory  assets and
liabilities  that  originated in the portion of the business  being  deregulated
should be written  off,  unless  their  recovery is  specifically  provided  for
through future cash flows from the regulated portion of the business.

     Because P.A.  90-561 provides for future  market-based  pricing of electric
generation  services,  IP discontinued  application of FAS 71 for its generating
segment. IP evaluated its regulatory assets and liabilities  associated with its
generation  segment and determined that recovery of these costs was not probable
through rates charged to transmission and distribution customers,  the regulated
portion of the business.

     IP wrote  off  generation-related  regulatory  assets  and  liabilities  of
approximately  $195 million (net of income  taxes) in December  1997.  These net
assets  related to previously  incurred costs that were expected to be collected
through future revenues,  including deferred costs for the Clinton Power Station
(Clinton),  unamortized losses on reacquired debt, previously recoverable income
taxes and other  generation-related  regulatory  assets.  At September 30, 1998,
IP's net investment in generation  facilities was $3.1 billion and was reflected
in "Utility Plant, at original cost" on IP's and Illinova's balance sheets.

     In May 1998, the Staff of the SEC issued  interpretive  guidance  regarding
the  application  of  Statement  of  Financial  Accounting  Standards  No.  121,
"Accounting for the Impairment of Long-Lived Assets and for Long-Lived Assets to
Be  Disposed Of (FAS  121),"  when a  regulated  enterprise  such as an electric
utility discontinues  regulatory  accounting practices for separable portions of
its operations and assets.  Under FAS 121, assets are considered  impaired,  and
should be written down to fair value, if their projected gross future cash flows
are   insufficient  to  recover  their  carrying  value.  IP  discontinued   the
application  of  regulatory  accounting  principles  in  December  1997  for the
generation  portion of its business and performed a FAS 121 impairment  analysis
that concluded that gross future cash flows expected to be generated by electric
supply  service  assets will be sufficient to cover the costs of its  generating
assets.  As a result  of the SEC  Staff's  May 1998  interpretive  guidance,  IP
reviewed its impairment  evaluation  and, as of June 1998,  again concluded that
gross  future cash flows  expected to be generated  by electric  supply  service
assets will be sufficient to cover the costs of its generating assets.  However,
ultimate  recovery of the cost of IP's generating  assets depends on a number of
factors and variables  including  future market prices of  electricity  and IP's
ability to operate  its  generation  assets  efficiently.  Changes in  projected
future operating conditions could result in significantly  different conclusions
with respect to impairment of the Company's generating assets.



                                       13
<PAGE>



     The legislation (P.A.  90-561) enacted in Illinois in December 1997 creates
uncertainty  regarding  future  recovery  of  electric  generation  costs  and a
reasonable  rate of return on generation  assets.  Due to this and other factors
including  the  inefficiency  of  operating  a  single  nuclear  plant  and  the
inordinate  amount of  management  attention  consumed by  ownership of Clinton,
Illinova's and IP's Board of Directors are  evaluating the expected  shareholder
value  related to specific  Clinton-related  options.  These  analyses  identify
either the sale or closure of Clinton as potential alternatives to its continued
operation.

     FAS 121  requires  that all  long-lived  assets  for which  management  has
committed to a disposal plan, whether by sale or abandonment, should be reported
at the lower of carrying amount or fair value less cost to sell. Concurrent with
any  decision by the Board of Directors  to sell or close  Clinton,  IP would be
required to write-down  Clinton to its fair value and record an impairment loss,
which would result in an accumulated deficit (negative retained earnings).  This
write-down  would  be  expected  to have an  estimated  impact  of a $.8 to $1.0
billion  charge  to the  statement  of  income,  net of the  establishment  of a
regulatory  asset.  The regulatory  asset would represent the amount of expected
Clinton costs  anticipated to be collected from  transmission  and  distribution
customers  during the regulatory  transition  period.  If the Board of Directors
decides to implement one of the contemplated Clinton exit strategies,  the Board
would also expect to  consider  the  approval  of possible  quasi-reorganization
accounting   for   Illinova   and  IP.  SEC   concurrence   with  the   proposed
quasi-reorganization and related accounting matters is required.

     A  quasi-reorganization  is an  accounting  procedure  that  eliminates  an
accumulated  deficit in retained  earnings and permits the company to proceed on
much   the   same   basis   as  if  it   had   been   legally   reorganized.   A
quasi-reorganization  involves  restating a company's assets and its liabilities
to their  fair  values  with the net  amount  of these  adjustments  added to or
deducted from the deficit.  The balance in the retained earnings account is then
closed  through a reduction in  paid-in-capital  accounts,  giving the company a
"fresh  start"  with a  zero  balance  in  retained  earnings.  In  addition  to
eliminating the accumulated  deficit in retained  earnings and restating  assets
and  liabilities  to fair value,  if a  quasi-reorganization  were  implemented,
Illinova and IP would also be required to implement any accounting standards not
yet adopted,  including FAS 133,  "Accounting  for  Derivative  Instruments  and
Hedging Activities."  Illinova's and IP's Board of Directors have not yet made a
decision with regard to the Clinton strategy or a quasi-reorganization.

     P.A.  90-561  allows  acceleration  in the rate at which any  utility-owned
assets are  expensed  without  regulatory  approval  provided  such  charges are
consistent   with  generally   accepted   accounting   principles.   Under  this
legislation,  up to an aggregate of $1.0 billion in  additional  expense for the
generation-related assets could be accelerated through the year 2008. The amount
of expense  accelerated  through the year 2008 is  contingent  on the changes in
revenue  resulting from P.A.  90-561,  cost mitigation  efforts,  fuel costs and
changes in the cost of  capital  resulting  from the  issuance  of  transitional
funding  instruments.  Any  such  reduction  in  the  net  book  value  of  IP's
generation-related  assets would help position IP to operate  competitively  and
profitably in the changing business  environment.  This accelerated charge would
have a direct impact on earnings but not on cash flows.



                                       14
<PAGE>




     The Financial  Accounting  Standards Board (FASB) issued FAS 128, "Earnings
Per Share (EPS)" in February  1997,  effective for financial  statements  issued
after  December  15, 1997.  FAS 128  establishes  standards  for  computing  and
presenting  EPS and replaces the  presentation  of primary EPS and fully diluted
EPS with a presentation  of basic EPS and diluted EPS,  respectively.  Basic and
diluted EPS are equivalent for Illinova at September 30, 1998.

     The FASB  issued FAS 130,  "Reporting  Comprehensive  Income" in June 1997,
effective  for  fiscal  years   beginning  after  December  15,  1997.  FAS  130
establishes  standards for reporting and display of comprehensive income and its
components in a financial  statement that is displayed with the same  prominence
as  other  financial  statements.  Illinova  and IP do not  currently  have  any
components of comprehensive income in any period presented herein.  Illinova and
IP will continue to analyze the disclosure requirements of FAS 130.

     The FASB issued FAS 131,  "Disclosures  about Segments of an Enterprise and
Related  Information"  in June  1997,  effective  for  periods  beginning  after
December 15, 1997. FAS 131 supersedes FAS 14, "Financial  Reporting for Segments
of a Business  Enterprise."  FAS 131  establishes  standards  for the way public
business  enterprises  report financial and descriptive  information about their
reportable  operating  segments  in  their  financial   statements.   Generally,
financial  information is required to be reported on the same basis that is used
internally  for  evaluating  segment  performance  and  deciding how to allocate
resources to segments.  Illinova and IP are evaluating the provisions of FAS 131
to determine  the impact of the revised  disclosure  requirements  on their 1998
year end financial statements.


     The FASB issued FAS 132,  "Employers'  Disclosures about Pensions and Other
Postretirement  Benefits" in February 1998, effective for fiscal years beginning
after  December  15, 1997.  FAS 132 amends FAS 87,  "Employers'  Accounting  for
Pensions" and FAS 106, "Employers' Accounting for Postretirement  Benefits Other
Than Pensions." FAS 132 revises  employers'  disclosures about pension and other
postretirement  benefit plans but does not change the measurement or recognition
of those plans.

     The FASB issued FAS 133, "Accounting for Derivative Instruments and Hedging
Activities" in June 1998. FAS 133  supersedes  FAS 80,  "Accounting  for Futures
Contracts," FAS 105, "Disclosure of Information about Financial Instruments with
Off-Balance Sheet Risk and Financial  Instruments with  Concentrations of Credit
Risk," and FAS 119, "Disclosure about Derivative Financial  Instruments and Fair
Value of Financial  Instruments."  FAS 133 establishes  accounting and reporting
standards for derivative  instruments,  including certain derivative instruments
embedded in other contracts,  and for hedging activities.  FAS 133 requires that
an entity  recognize  all  derivatives  as either assets or  liabilities  in the
statement of financial position and measure those instruments at fair value. FAS
133 is effective for Illinova's and IP's financial  statements  beginning in the
year 2000 unless a  quasi-reorganization  is  implemented  which  would  require
adoption  of FAS  133  upon  the  effective  date  of the  quasi-reorganization.
Illinova and IP continue to evaluate the  provisions of FAS 133 to determine the
impact of the revised accounting and disclosure  requirements on their financial
statements  beginning  in the year of adoption.  The  Company's  1998  financial
statements will contain the disclosures required by this standard.

     The EITF of the FASB has been discussing  Issue No. 98-10:  "Accounting for
Energy Trading and Risk Management Activities." This issue addresses (1) whether
certain  types of  contracts  for the sale and  purchase  of energy  commodities
should be marked to market (i.e., as trading  activities,  derivatives,  or when
adopted,  accounted  for in  accordance  with FAS 133) or  accounted  for  under
accrual  accounting  (i.e.,  recorded as the contracts are settled with accruals
established if and when losses on such contracts become probable and estimable),



                                       15
<PAGE>




and (2) how the results of such activities  should be displayed in the financial
statements.

     In  their  discussions,  EITF  members  tentatively  agreed  that  sale and
purchase  activities  being performed need to be classified as either trading or
non-trading.  Further,  the EITF reached a tentative conclusion that in the case
where the  activities of an entity are  determined to be trading in nature,  the
current  practice of accrual or settlement  accounting would not be appropriate.
The EITF did not reach a tentative  conclusion  on the  definition of "trading."
The members also agreed that  determining  whether or when an entity is involved
in  energy  trading  activities  is a matter of  judgment  that  depends  on the
relevant facts and circumstances.

     The EITF has reached a tentative  conclusion that contracts entered into as
trading  activities  should be marked to market with the gains and losses  shown
net in the income statement.  The EITF also agreed that any consensus ultimately
reached on this issue would be effective  for  financial  statements  issued for
fiscal years  beginning  after  December  15,  1998.  Both IP and IEP enter into
contracts  for the sale and purchase of energy  commodities  and each  practices
accrual  accounting.  Should any of the  activities  carried out by IP or IEP be
considered trading activities based on indicators provided by the EITF, a change
in those entities' accounting practices may be required.  The ultimate impact of
this change in accounting on the Financial Position and Results of Operations of
Illinova  and IP has not  been  determined.  The  EITF is  scheduled  to  resume
discussion of the issue in November 1998.


         ELECTRIC POWER EXCHANGES AND SALES

     An accrual of probable  losses related to forward power exchanges and sales
agreements  for IP was  recorded in the third  quarter of 1998.  A $6.7  million
accrual  was  recorded in  conjunction  with these  agreements  based on current
market prices and  anticipated  generation  capacity.  In the fourth  quarter of
1998, IP expects to accrue an additional  amount of approximately $20 million to
provide for other 1999 and 2000 sales agreements that it previously  expected to
fulfill through IP generation.

     In the event that Clinton does not return to service by the summer of 1999,
IP could  face  additional  costs  related  to  interchange  purchase  and sales
commitments.  These costs could be material.  Management is considering  various
options,  including  demand side  management  initiatives,  power  purchases and
selected  financial and insurance  products to mitigate these  potential  future
costs.

     MANUFACTURED GAS PLANT SITES

     IP's estimated  liability for Manufactured Gas Plant (MGP) site remediation
is $60.7 million.  This amount represents IP's current best estimate of the cost
that it will incur to  remediate  the 24 MGP sites for which it is  responsible.
Because of the  unknown  and  unique  characteristics  at each  site,  IP cannot
presently determine its ultimate liability for remediation of the sites.

     In  October  1995,  to offset  the  burden  imposed  on its  customers,  IP
initiated  litigation against a number of insurance  carriers.  As of June 1998,
settlements or settlements in principle have been reached with all thirty of the
carriers.  Settlement  proceeds  recovered  from  the  carriers  will  offset  a
significant  portion  of the MGP  remediation  costs  and  will be  credited  to
customers  through  the  tariff  rider  mechanism  which the  Illinois  Commerce
Commission (ICC) has previously approved.  Management expects that cleanup costs
in excess of insurance  proceeds will be fully recovered from IP's  transmission
and distribution customers.



                                       16
<PAGE>




TREASURY STOCK

     Through  September 30, 1998, IP has purchased a total of 10,493,375  shares
of its common stock from  Illinova,  all of which are held as treasury stock and
are deducted from common equity at the cost of the shares  purchased.  1,064,730
shares of IP common stock were  purchased  during the first nine months of 1998.
At the October 14, 1998 Illinova Board of Director's meeting, the Board approved
the repurchase of up to 12 million shares of Illinova common stock over the next
six to twelve months in conjunction  with IP's upcoming  issuance of securitized
debt.  For  more   information,   see  "Liquidity  and  Capital   Resources"  of
"Management's  Discussion  and  Analysis of Financial  Condition  and Results of
Operations" on page 19 of this report.




                                       17
<PAGE>





                 ILLINOVA CORPORATION AND ILLINOIS POWER COMPANY

                     MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                  FINANCIAL CONDITION AND RESULTS OF OPERATIONS

         This report contains estimates,  projections and other  forward-looking
statements  that involve  risks and  uncertainties.  Actual  results or outcomes
could differ materially from those provided in the forward-looking statements as
a result  of such  important  factors  as:  the  outcome  of state  and  federal
regulatory  proceedings  affecting  the  restructuring  of the  electric and gas
utility industries;  the impacts of new laws and regulations on Illinova and its
subsidiaries  relating to restructuring,  environmental  and other matters;  the
effects of increased competition on the utility businesses;  risks of owning and
operating  a  nuclear  facility;  changes  in prices  and cost of fuel;  factors
affecting non-utility investments, such as the risk of doing business in foreign
countries;  construction  and operation risks; and increases in financing costs.
All forward-looking  statements are based upon information  presently available,
and  Illinova  and  IP  assume  no  obligation  to  update  any  forward-looking
statements.

     Reference is made to the Notes to the Consolidated Financial Statements and
Management's  Discussion  and  Analysis of  Financial  Condition  and Results of
Operations presented in Illinova's 1997 Annual Report to Shareholders  (included
in the Proxy Statement),  the Consolidated Financial Statements and Management's
Discussion  and  Analysis  of  Financial  Condition  and  Results of  Operations
presented  in  IP's  1997  Annual  Report  to  Shareholders   (included  in  the
Information  Statement),  and  Illinova's  and IP's Form 10-K for the year ended
December 31, 1997 and  Illinova's  and IP's Report on Form 10-Q for the quarters
ended March 31 and June 30, 1998, and Illinova's and IP's 1998 Form 8-K filings.

ILLINOVA SUBSIDIARIES

     IP, a subsidiary  of  Illinova,  engages in the  generation,  transmission,
distribution  and sale of electric energy and the  distribution,  transportation
and  sale of  natural  gas in the  State of  Illinois.  IP has  publicly  traded
preferred shares outstanding but its common stock is wholly-owned by Illinova.

     IGC is a wholly-owned  independent power subsidiary of Illinova and invests
in energy supply projects  throughout the world.  IGC's strategy is to invest in
and develop  "greenfield" power plants,  acquire existing generation  facilities
and provide power plant operations and maintenance services.

     IEP is a  wholly-owned  subsidiary  of  Illinova.  IEP develops and markets
energy-related  services to the unregulated  energy market throughout the United
States and engages in the brokering and marketing of electric power and gas.

     IIC is a wholly-owned  subsidiary of Illinova and was licensed by the State
of Vermont as a captive  insurance  company.  The primary  business of IIC is to
insure certain risks of Illinova and its subsidiaries.

     IBE is a wholly-owned subsidiary of Illinova and was created to account for
miscellaneous business activities not regulated by the ICC or the Federal Energy
Regulatory  Commission (FERC) and not falling within the business scope of other
Illinova subsidiaries.




                                       18
<PAGE>



LIQUIDITY AND CAPITAL RESOURCES
     CAPITAL RESOURCES AND REQUIREMENTS

     Cash  flows  from  operations   during  the  first  nine  months  of  1998,
supplemented by external  financing,  were sufficient to meet ongoing  operating
requirements and to service existing common and preferred stock dividends,  debt
requirements,  IP's construction  requirements and Illinova's investments in its
subsidiaries.  However,  Illinova's and IP's liquidity has decreased as a result
of higher  than  expected  replacement  power  costs and  higher  Clinton  costs
combined  with lower  revenues  caused by the rate  reduction  mandated  by P.A.
90-561 and lower than anticipated subsidiary earnings.

     Illinova expects to use cash flows,  supplemented by external financing, to
meet  operating  requirements  and to continue to service  existing  debt,  IP's
preferred and Illinova common stock  dividends,  IP's sinking fund  requirements
and Illinova's and IP's  anticipated  subsidiary  investments  and  construction
requirements for the remainder of 1998.

     On January 28, 1998, Illinova issued $40 million of 6.46% medium-term notes
due October 1, 2002 under an existing $300 million shelf registration statement.
On  September  9,  1998  Illinova  issued an  additional  $30  million  of 6.15%
medium-term  notes due  September  10,  2001 under the same shelf  registration.
Illinova  currently has  authority to issue an  additional  $130 million in debt
securities  under this shelf  registration.  Illinova's  $110 million  revolving
credit  agreement is subject to  termination  if Clinton is not  operational  by
January 31, 1999. In  anticipation of this  possibility,  Illinova has initiated
action to replace this revolving credit agreement with a new facility.  There is
no  assurance  that  this  can be done on  terms  as  favorable  as the  current
agreement. IP pays Illinova dividends on the IP common stock held by Illinova to
provide  Illinova  cash  for  operations.  IP also is  allowed  to  periodically
repurchase its common stock from Illinova in accordance  with authority  granted
by the ICC,  contingent  on IP meeting  certain  cash flow  tests.  Although  IP
currently  satisfies  this cash flow test,  it is  anticipated  that it will not
satisfy the test at year-end  1998 and for a portion of 1999.  This test failure
will  not  impact  the  ability  to  repurchase  Illinova  equity  shares  using
securitization  proceeds.  Illinova's  current $130 million  capacity  under the
existing shelf registration should meet its cash requirements  through the first
quarter of 1999.  Illinova is developing  additional  financial  capabilities to
meet future needs.

     IP  issued a  redemption  notice  for all  outstanding  bonds of its  6.00%
Pollution  Control First Mortgage  Bonds due 2007 ($18.7  million) and its 8.30%
Pollution  Control First  Mortgage Bonds due 2017 ($33.8  million).  Both series
were called April 1, 1998.  On March 6, 1998,  IP issued $18.7  million of 5.40%
Pollution  Control  Mortgage Bonds due 2028 and $33.8 million of 5.40% Pollution
Control  Mortgage  Bonds  due  2028.  On May 8,  1998,  IP filed an SEC Form S-3
registration for a $200 million debt shelf authorization. This debt shelf became
effective  May 27,  1998.  On July 21,  1998,  IP issued  $100  million of 6.25%
Mortgage  Bonds due 2002 against this  registration.  On September  16, 1998, IP
issued $100  million of 6.00%  Mortgage  Bonds due 2003  against this same shelf
registration.  On September 28,1998, IP issued a call notice on the 6.60% Series
A  Pollution  Control  Bonds due May 1, 2004.  The bonds  were  called at par on
November 1, 1998.

     IP's capital  requirements for construction were approximately $190 million
and $131  million  during the nine  months  ended  September  30, 1998 and 1997,
respectively.  Through 2000 IP plans to complete  improvements in its generation
facilities  including  pollution control equipment,  equipment to support use of
Powder  River  Basin  coal  and new  combustion  turbine  peaking  units.  These
improvements  will  cost  approximately  $300  million.  In  addition  to  these
investments, IP will be required to deposit $62 million in cash with the IP Fuel
Company Trustee for noteholders and take title to the partially depleted nuclear
fuel in the reactor at Clinton  Power  Station on March 2, 1999 if Clinton  does



                                       19
<PAGE>



not return to service by January 31,  1999.  IP currently  has the  authority to
issue $250 million in long-term debt and $500 million in short-term  debt, which
includes  $350 million in committed  bank lines of credit.  Of these  authorized
amounts, IP has $128 million in remaining capacity that may be utilized to issue
commercial  paper and extend  floating  rate  notes.  IP  anticipates  that this
liquidity will be sufficient to address its requirements into the second quarter
of 1999.  IP is  developing  additional  financial  capabilities  to meet future
needs.

     On June 24, 1998, IP filed an application with the ICC seeking approval for
securitization notes totaling $864 million. This represents 25% of the company's
capitalization  at  December  31, 1996 as allowed by the 1997  Electric  Utility
Transition Funding law. The proceeds from these notes will be used to lower IP's
cost of capital by  repurchasing  stock and retiring  debt. The ICC approved and
issued the  Transitional  Funding  Order on September 10, 1998. On September 16,
1998,  IP filed a shelf  registration  statement  on Form  S-3 with the SEC.  On
September 30, 1998, the Internal  Revenue Service issued a private letter ruling
to IP holding that, among other things,  the notes will be obligations of IP for
federal  income  tax  purposes.  Interest  paid on the notes  generally  will be
taxable to a United States Noteholder as ordinary interest income.

     Presently,  IP's mortgage  bonds are rated Baa1 by Moody's,  BBB+ by Duff &
Phelps  and BBB by  Standard  & Poor's.  IP's  preferred  stock is rated Baa2 by
Moody's and BBB- by both Duff & Phelps and Standard & Poor's.  Illinova's senior
and medium-term  notes have a rating of Baa3 from Moody's and BBB- from Standard
& Poor's.  On July 6, 1998,  a change in outlook  was issued.  The outlook  from
Moody's  changed from stable to negative and the outlook from  Standard & Poor's
changed from positive to stable.

     To avoid any  possible  constraint  imposed  by  Federal  or State  laws as
discussed  above,  on October  14,  1998,  the Board of  Directors  declared  IP
preferred  stock  dividends for the first quarter of 1999 and declared IP common
stock dividends which were paid in November totaling $.62 per share.


ACCOUNTING MATTERS

     For further  information on accounting  issues,  see  "Accounting  Matters"
under  "Regulatory  and Legal Matters" of the "Notes to  Consolidated  Financial
Statements" on page 13 of this report.










CLINTON POWER STATION

     In September 1996, a leak in a recirculation pump seal caused IP operations
personnel to shut down Clinton. Clinton has not resumed operation.

     In January 1997 and again in June 1997, the Nuclear  Regulatory  Commission
(NRC) named  Clinton among plants  having a trend of declining  performance.  In
June 1997,  IP committed to conduct an  Integrated  Safety  Assessment  (ISA) to
thoroughly assess Clinton's  performance.  The ISA was conducted by a team of 30
individuals  with  extensive  nuclear  experience  and no  substantial  previous



                                       20
<PAGE>



involvement at Clinton.  Their report concluded that the underlying  reasons for
the performance problems at Clinton were ineffective  leadership  throughout the
organization in providing  standards of excellence,  complacency  throughout the
organization,  barrier weaknesses and weaknesses in teamwork. In late October, a
team  commissioned  by the NRC  performed  an  evaluation  to  validate  the ISA
results.  In  December,  this  team  concluded  that  the  findings  of the  ISA
accurately characterized Clinton's performance deficiencies and their causes.

     On  January  5,  1998,  IP and PECO  Energy  Company  (PECO)  announced  an
agreement  under  which  PECO will  provide  management  services  for  Clinton.
Although a PECO team will help manage the plant,  IP  continues  to maintain the
operating  license for Clinton and retain ultimate  oversight of the plant. PECO
employees  have assumed senior  positions at Clinton,  but the plant will remain
primarily staffed by IP employees.  IP made this decision based on a belief that
bringing in PECO's  experienced  management team would be the most efficient way
to get  Clinton  back on line and  operating  at a superior  level as quickly as
possible.

     On January 21,  1998,  the NRC placed  Clinton on its Watch List of nuclear
plants  that  require  additional  regulatory  oversight  because  of  declining
performance.  Twice a year the NRC  evaluates the  performance  of nuclear power
plants in the United  States  and  identifies  those  which  require  additional
regulatory  oversight.  Once placed on the Watch List, a plant must  demonstrate
consistent  improved  performance  before it is removed from the list. The Watch
List  issued on July 29,  1998  still  included  Clinton.  The NRC will  monitor
Clinton  more  closely  than  plants  not on the Watch  List.  This may  include
increased inspections, additional required documentation,  NRC-required approval
of processes and procedures and higher-level NRC oversight.

     On February 19, 1998, IP filed  Clinton's  Summary Plan for Excellence with
the NRC. The Plan for Excellence  provides a comprehensive set of strategies and
associated actions necessary to improve performance,  permit safe restart of the
plant and achieve  excellence  in  operations.  IP is  implementing  the actions
required prior to plant restart.  This  recovery/restart  program to get Clinton
back online is going through a formal parallel review process by the NRC.

     The NRC has advised IP that it must  submit a written  report to the NRC at
least two weeks  prior to  restarting  Clinton,  giving  the  agency  reasonable
assurance  that IP's actions to correct  recurring  weaknesses in the corrective
action program have been effective. After the report is submitted, the NRC staff
will meet with IP's management to discuss the plant's readiness for restart.

     IP  announced  October  19,  1998 that it now  appears  likely the  plant's
restart will be after the first of the year.  Moving restart into next year will
increase the expense for the station's  recovery  process.  IP currently expects
Clinton's  1998  operating and  maintenance  expenses to be at least $88 million
more than Clinton's 1997 expenses,  totaling  approximately $210 to $215 million
for 1998.

     The prolonged  outage at Clinton is having an adverse  effect on Illinova's
and IP's financial  condition,  through  higher  operating and  maintenance  and
capital costs, lost  opportunities to sell energy,  and replacement power costs.
The  magnitude  of these  costs and lost  opportunities  is  unknown  because of
uncertainty  regarding the timing of Clinton's  return to service,  the ultimate
cost of  restart  and  uncertain  market  conditions.  If Clinton is not back in
service by the end of January 1999, IP must deposit $62 million with the IP Fuel
Co. Trustee for  noteholders  for the  acquisition of core fuel from IP Fuel Co.
Previously  disclosed earnings  expectations are subject to the effects of these
uncertainties and changes.



                                       21
<PAGE>




REGULATORY MATTERS

     RATE REDUCTION FILING

     IP submitted written filings with the ICC in June 1998 to begin the process
of  implementing a 15 percent  residential  rate reduction  effective  August 1,
1998. On July 22, 1998, IP filed a plan with the ICC for a one time reduction in
residential and small commercial  customers' electric bills of approximately 7.5
percent for the month of August in  consideration  of their energy  conservation
efforts this summer. The reduction was in addition to the 15 percent residential
rate reduction that was effective August 1, 1998 and had the effect of beginning
the 15 percent residential electric rate reduction two weeks early.


     ATTORNEY GENERAL COMPLAINT

     On July  17,  1998,  a  complaint  against  IP was  filed at the ICC by the
Illinois State Attorney  General.  The complaint  alleges that IP failed to meet
its statutory obligations to provide adequate and reliable service in connection
with this summer's electric supply situation (for further disclosure, see "Power
Supply and Reliability" on pages 25-26). It asks the ICC to conduct a management
audit of IP and seeks an order  requiring IP to offer  compensation to customers
for voluntary  conservation and service  interruptions.  The Company believes it
can effectively defend itself against these allegations, however, the outcome at
this point is uncertain.


     SOYLAND POWER COORDINATION AGREEMENT

     The FERC approved an amended  Power  Coordination  Agreement  (PCA) between
Soyland  and IP in July 1997.  Under the  amended  PCA,  Soyland  was allowed to
prepay an Elected Capacity Reduction Fee associated with a unilateral  reduction
in its base capacity  charge under the PCA. In December  1997,  Soyland signed a
letter of intent to pay in advance the remainder of its base capacity charges in
the PCA.  Soyland  obtained the  necessary  financing and  regulatory  approvals
during the second quarter of 1998. During the first quarter of 1998, IP received
$30 million from Soyland and the remaining  $40 million was received  during the
second quarter of 1998. The prepayment has been deferred and is being recognized
as  interchange  revenue  evenly over the initial  term of the PCA which is from
September 1, 1996 through August 31, 2006.


     UNIFORM FUEL ADJUSTMENT CLAUSE (UFAC)

     Previously, IP's rate schedules contained provisions for passing through to
its electric customers  increases or decreases in the cost of energy provided to
its native load customers under the UFAC. Such costs included fuel and allowable
fuel  transportation  costs,  emission  allowance costs, DOE spent fuel disposal
fees and costs of power  purchased to serve native  load.  On March 6, 1998,  IP
filed with ICC the necessary  documents  required for  elimination  of the UFAC.
This  established  a new base fuel cost  recoverable  in IP's  electric  tariffs
effective on the date of the filing.  As provided in P.A.  90-561,  the new base
fuel cost is 1.287 cents per kwh,  which is equal to 91 percent of IP's  average
prudent and  allowable  fuel and  purchased  power  supply costs in the two most
recent years for which the ICC has  approved  the level of recovery.  Every year
UFAC cost  recoveries are audited by the ICC in a  reconciliation  proceeding in
which they may be adjusted  upward for actual costs not  recovered,  or downward
through  a  disallowance  of costs  incurred.  By  opting  out of the  UFAC,  IP
eliminated exposure for potential  disallowed fuel and purchased power costs for
periods after December 31, 1996, as those years will no longer be subject to the
ICC's  annual  reconciliation  proceeding.  This  change  will  prevent  IP from



                                       22
<PAGE>



automatically  passing through increases in cost and will expose IP to the risks
and  opportunities  of price  volatility in the  marketplace.  Whether  electric
energy  costs will  continue to be  recovered in revenues  from  customers  will
depend on a number of factors,  including the number of customers served, demand
for electric service and changes in fuel cost components. These variables may be
influenced, in turn, by market conditions,  availability of generating capacity,
future regulatory  proceedings and environmental  protection costs,  among other
things.


     DEREGULATION RULEMAKINGS AND TARIFFS

     As a result of P.A.  90-561,  ICC rulemakings are underway  covering issues
such as affiliated  interests and  reliability.  These  regulatory  proceedings,
alone or in  combination,  could  significantly  impact how IP  operates  and is
organized,  but they are not  likely  to have a  material  impact  on  financial
results.

     Under the new  rules,  Illinois  utilities  must keep  records  identifying
service interruptions experienced by each customer. Illinois utilities must also
file an annual report  detailing the  reliability  of its service and explaining
its plans for  reliability  improvements.  In  addition,  each utility must also
report the number  and causes of service  interruptions  that were due to causes
within the utility's  control.  Outage targets were  established  for service to
individual customers and for system performance.


     OPEN ACCESS AND COMPETITION
     In January 1998,  IP, in conjunction  with eight other  transmission-owning
entities,  filed  with  the FERC  for all  approvals  necessary  to  create  and
implement the Midwest Independent  Transmission System Operator, Inc. (MISO). On
September 16, 1998, the FERC issued an order authorizing the creation of a MISO.
The MISO must now elect a  seven-person  independent  board of directors  within
seventy five days of approval.  The goals of this joint  undertaking  are to: 1)
put in place a tariff allowing easy and nondiscriminatory access to transmission
facilities in a  multi-state  region,  2) enhance  regional  reliability  and 3)
establish an entity that operates  independently of any transmission owner(s) or
other  market  participants,   thus  furthering  competition  in  the  wholesale
generation  market  consistent  with the objectives of the FERC's Order No. 888.
Since January 1998,  four other  transmission-owning  entities  joined the MISO.
Participation  in an ISO by utilities  was one of the  requirements  included in
P.A.  90-561  enacted  in 1997.  The MISO  has a  stated  goal to begin  limited
operation in 1999, and to be fully operational in the year 2000.

     See "Open Access and Competition"  under  "Regulatory and Legal Matters" of
the "Notes to Consolidated  Financial  Statements" on page 12 of this report for
additional information.

YEAR 2000 DATA PROCESSING

     In  November  1996,  Illinova  deployed a project  team to  coordinate  the
identification, evaluation and implementation of changes to computer systems and
applications  necessary to achieve a year 2000 date conversion with no effect on
customers or disruption to business operations.

     These  actions are necessary to ensure that systems and  applications  will
recognize  and  process  coding  for the year 2000 and  beyond.  Major  areas of
potential business impact have been identified.  Illinova has inventoried 99% of
its systems.  Assessment of systems and processes was completed in October 1998.
Implementation  efforts  are  approximately  34%  complete.   Illinova  also  is
communicating  with  third  parties  with whom it does  business  to  facilitate
continued business operations.



                                       23
<PAGE>



     The cost of achieving year 2000 compliance is estimated to be approximately
$20.4 million  through 1999. The amount  expended as of October 31, 1998 is $6.4
million  which has been  charged to  expense.  Contingency  plans for  operating
without year 2000 compliance have not been developed.  Such activity is expected
to begin in the  fourth  quarter  of 1998,  but  exact  timing  will  depend  on
assessment  of  progress.  Project  completion  for  Illinova is planned for the
fourth  quarter  of 1999 for  Illinova  overall.  For IP alone,  the  project is
scheduled to be virtually complete by mid year 1999.

     If Illinova,  IP or critical  interfacing  third parties' year 2000 efforts
are unsuccessful,  some or all of Illinova's and IP's commercial and operational
activities  could be interrupted for an indefinite time. In addition to monetary
loss,  equipment  could be damaged and public safety  impaired.  It is uncertain
whether such damage would be catastrophic or minimal. It is impossible to assess
third party performance beyond Illinova's and IP's control.


DIVERSIFIED BUSINESS ACTIVITIES

     IGC, a  wholly-owned  subsidiary  of  Illinova,  invests in  energy-related
projects  throughout  the world.  Prior to the fourth quarter 1998, IGC owned 50
percent of the North  American  Energy  Services  Company  (NAES) and in October
1998,  IGC purchased  the  remaining 50 percent.  NAES supplies a broad range of
operations, maintenance and support services to the world-wide independent power
generation  industry and operates the Tenaska generation plants in which IGC has
an equity interest.


ENVIRONMENTAL MATTERS

     GAS MANUFACTURING SITES

     See  "Manufactured Gas Plant Sites" under "Regulatory and Legal Matters" of
the "Notes to Consolidated Financial Statements" on page 16 of this report.

     NITROGEN OXIDE

     On September 24,1998, the Administrator of the US Environmental  Protection
Agency  signed a final rule  (commonly  known as the NOx SIP Call)  requiring 22
States and the  District of Columbia to submit State  implementation  plans that
address the regional  transport of  ground-level  ozone  through  reductions  in
nitrogen oxides (NOx).  The rule imposes an ozone-season NOx tonnage cap on each
state.  States have the ability to choose their NOx emission reduction strategy;
however,  utility and large  industrial  sources are the most likely targets for
reductions.  The State reduction  plans are required by September,  1999 and NOx
emission  reduction  measures  must be in  place  by May 1,  2003.  Utility  NOx
emissions  are  expected  to be capped  based on a NOx limit of 0.15  pounds per
million Btu of heat input;  this is  equivalent  to an 85%  reduction in utility
sector NOx emissions.  IP's preliminary  estimate to comply with the anticipated
utility NOx limit is $129 to $140 million  beyond the $97.5  million cost of the
Phase II Acid Rain NOx reduction  requirements.  The NOx SIP Call is expected to
be challenged by utility and industrial organizations as well as several states.

     EMISSION ALLOWANCE EXCHANGES

     The value of emission  allowances expected to be given up in future periods
as the result of exchange  agreements  was recorded in the third quarter 1998 at
the current  market price and a liability of $9.8 million was  recognized.  This
obligation  will be  adjusted  as price  fluctuates  until  the  allowances  are
surrendered.



                                       24
<PAGE>



GLOBAL WARMING

     On December 11, 1997,  international  negotiations to reduce greenhouse gas
emissions  concluded  with the  adoption of the Kyoto  Protocol.  This  Protocol
requires the United States to reduce  greenhouse  gas emissions to 7% below 1990
levels  during  the  years  2008  through  2012 and to make  further  reductions
thereafter.  This Protocol must be ratified by the United States Senate.  United
States Senate  Resolution 98 (passed 95-0) indicates the Senate would not ratify
an  agreement  that fails to involve all  countries  or would  damage the United
States economy.  Ratification will be a major political issue since the Protocol
does not contain key elements that Senate  Resolution 98 said would be necessary
for ratification. It is anticipated that ratification will not occur in 1998.

     IP will face major  changes in how it  generates  electricity  if the Kyoto
Protocol is ratified, or if the Protocol's reduction goals are incorporated into
other environmental regulations.  IP would have to repower some generating units
and change  from coal to natural  gas in other  units to reduce  greenhouse  gas
emissions.  IP estimates that  compliance  with these proposed  regulations  may
require significant capital outlays and an increase in annual operating expenses
which could have a material adverse impact on Illinova and IP.

POWER SUPPLY AND RELIABILITY

     Electricity  was in short supply  throughout  Illinois and  Wisconsin  this
summer because of an unusually  high number of plant outages in this region.  IP
was  able to  secure  generation  and  transmission  capacity  in order to guard
against  disruptions in service.  IP took  additional  steps to avoid  potential
shortages,  including inspecting and upgrading transmission lines and equipment,
readying   emergency   procedures   and  restarting  two  plants  that  were  in
cold-shutdown. Expenses incurred as a result of the shortage of electricity this
summer have had a material adverse impact on Illinova and IP.

     IP  experienced  unprecedented  and unexpected  prices for power  purchases
during  the last week of June  1998.  Replacement  power  costs  for the  second
quarter of 1998 were $49 million  higher than the second quarter of 1997 and $55
million higher  through June 1998 as compared to 1997. In addition,  during June
1998 IP  recorded  an accrual  of $58.3  million  for  probable  and  reasonably
estimable  losses on power sales  commitments  with scheduled third quarter 1998
delivery  dates.  The earnings  impact of replacement  power costs for the third
quarter of 1998 was in line with July 1998  projections.  The ultimate amount of
1998 losses  associated with power sales commitments and lost margin on sales to
native load customers was largely the result of factors influencing the price of
purchased power such as regional weather,  regional generation capacity,  market
conditions   including   prices  and  liquidity,   generation  and  transmission
availability  as well as factors  affecting  IP's  generating  and  transmission
capacity.  In addition,  IP is subject to future price and capacity risk related
to electric  power supply  contracts  for the years 1999 and 2000. In the fourth
quarter of 1998, IP expects to accrue an additional  amount of approximately $20
million to provide for other 1999 and 2000 sales  agreements  that it previously
expected to fulfill through IP generation.

     The  ultimate  financial  impact of these  contracts  will depend on market
conditions  and  IP's  system  availability.  IP will  continue  to  review  its
accounting  treatment of these  commitments as further guidance is issued by the
EITF regarding  issue 98-10,  "Accounting for Energy Trading and Risk Management
Activities."  See  discussion  of EITF 98-10 under  "Accounting  Matters" in the
"Notes To Consolidated Financial Statements" on page 15.



                                       25
<PAGE>



     On July 7, 1998,  IP  testified  before the ICC and July 8, 1998 before the
Environment and Energy Committee of the Illinois House of  Representatives  with
regard to the  electric  supply  problems of late June and IP's supply plans for
the rest of the summer.  IP stated it was monitoring power plant maintenance and
transmission system preparation. In the third quarter, in response to the summer
supply situation,  IP increased MWH generation 16.4 percent compared to the same
quarter of 1997 by running selected plants at peak and  re-activating  oil-fired
generating plants previously placed in cold shutdown.

     In addition to having Clinton back in service, IP expects to have more than
400  megawatts of  additional  generation  on line for the summer of 1999.  That
includes  approximately 235 megawatts from five oil-fired units being brought up
from cold  shutdown and 176  megawatts  from four  natural gas turbines  that IP
plans  to  install  before  next  summer.  Total  cost for the two  projects  is
estimated at $87 million.  IP also plans to refurbish nine gas turbines  already
in service at a cost of $13 million.  At a public ICC  proceeding on reliability
on October 4, 1998, IP said that, even though it expects Clinton to be available
by summer 1999, for purposes of advance coverage of anticipated summer demand it
is using the  assumption  that  Clinton  will not be  operating.  Options  being
considered include various demand side management  initiatives,  power purchases
and selected financial and insurance products.


At an ICC proceeding on reliability  October 4, 1998, IP said that,  even though
it expects  Clinton to be  available  by summer  1999,  for purposes of covering
anticipated  summer demand, it is assuming that Clinton will not be operational.
Various demand side management initiatives,  power purchases,  and financial and
insurance  products are being used or reviewed as  approaches to reduce the risk
of supply shortage.



                                       26
<PAGE>



RESULTS OF OPERATIONS

                 THREE MONTHS ENDED September 30, 1998 AND 1997

     Electric  Operations  -  Electric  revenues  for the third  quarter of 1998
decreased  $2.0 million  compared to the third quarter of 1997  primarily due to
the 15%  residential  rate decrease  mandated by  deregulation  legislation  and
effective  August 1, 1998. Also  contributing to the decrease in revenue was the
one-time  August  billing  rate  reduction  of 7.5% for  residential  and  small
commercial  customers.  Electric interchange revenues increased $223.8 primarily
due to increased activity on the interchange  market.  Power purchased increased
$243.5  million also due to  increased  activity on the  interchange  market and
expected losses on future  contract  obligations.  During the quarter,  fuel for
electric  plants  increased  $7.0 million due a to 7.3%  increase in  equivalent
availability  for fossil plants,  higher fuel prices and the  elimination of the
Uniform  Fuel  Adjustment  Clause.  For  more  information,  see  "Uniform  Fuel
Adjustment  Clause" under "Regulatory  Matters" of the "Management's  Discussion
and  Analysis" on page 22 of this  report.  These  factors  combined to decrease
electric margin $28.7 million for the quarter.

     Kilowatt  hour (kwh) sales to  ultimate  consumers  increased  8.8% for the
quarter due to increases of 13.0% and 7.6% in the residential and the commercial
markets,  respectively.  Cooling degree days increased  approximately 27.9% from
1997 which  contributed  to the  increase in sales to the  temperature-sensitive
markets.

     For the third quarters of 1998 and 1997, Clinton was unavailable due to the
continued outage which began September 6, 1996. The equivalent  availability for
IP's coal-fired  plants was 87.3% and 80.0% for the three months ended September
30, 1998 and 1997,  respectively.  The higher  equivalent  availability  for the
fossil plants in 1998 was primarily  due to running  selected  plants at peak in
response to power supply shortages.

     Gas Operations - For the quarter,  gas margin  decreased $0.8 million.  Gas
revenues  decreased  $3.6  million  despite  a 18.4%  increase  in  therm  sales
(excluding  transport) due to lower gas prices.  Gas purchased  costs  decreased
$2.8 million also due to low gas prices.

     Operation and Maintenance  Expenses - Of the 1998 third quarter increase of
$31.7  million,  approximately  $24 is due to higher  operating and  maintenance
expenses associated with the Clinton outage. For more information,  see "Clinton
Power Station" of the  "Management's  Discussion and Analysis" on pages 20-21 of
this report.  The remaining $8 million  increase is largely due to  reactivating
oil-fired   plants  from  cold  shutdown  and  increased   maintenance   to  the
transmission and distribution system related to reliability.

     Diversified enterprises - Due primarily to decreased power trading activity
at  IEP  and  for  all  market  participants,  diversified  enterprise  revenues
decreased  $236.7  million for the third quarter of 1998,  which was offset by a
decrease in diversified enterprise expenses of $237.9 million.

     Earnings  per Common  Share - The  earnings  per common  share for Illinova
during the third quarter of 1998 and 1997 resulted from the  interaction  of all
of the factors discussed herein.




                                       27
<PAGE>



RESULTS OF OPERATIONS

                  NINE MONTHS ENDED September 30, 1998 AND 1997

     Electric  Operations - Electric  revenues for the first nine months of 1998
decreased  $4.8  million  compared  to the  first  nine  months  of 1997  due to
decreased sales to residential and commercial customers during the first quarter
of the year and the 15%  residential  rate  decrease  mandated  by  deregulation
legislation and effective  August 1, 1998. Also  contributing to the decrease in
revenue was the one-time  August billing rate reduction of 7.5% for  residential
and small commercial  customers.  Electric interchange revenues increased $352.7
million  primarily due to increased  activity on the interchange  market.  Power
purchased  increased  $488.6 million due to  unprecedented  and unexpected power
prices and  regional  power  supply  shortages  which  resulted  in higher  than
expected   power  supply  costs.   Year-to-date   figures   include  a  loss  of
approximately  $58.3  million on power sales  commitments  delivered  during the
third quarter and expected  losses on future  contract  obligations.  During the
first nine months of 1998, Fuel for Electric Plants increased $19.1 million as a
result of running peaking units and  reactivation of oil-fired  plants from cold
shutdown.  For more  information,  see "Uniform  Fuel  Adjustment  Clause" under
"Regulatory Matters" of the "Management's Discussion and Analysis" on page 22 of
this  report  and  "Power  Supply  and  Reliability"   under  the  "Management's
Discussion  and  Analysis" on pages 25-26.  These  factors  combined to decrease
electric margin $159.8 million for the nine months ended September 30, 1998.

     Kilowatt hour (kwh) sales to ultimate consumers increased 3.2% for the nine
months  ended  September  30,  1998  due to  increases  of 6.3%  and 3.3% in the
residential and the commercial markets, respectively.

     For the nine  months  ended  September  30,  1998  and  1997,  Clinton  was
unavailable  due to the  continued  outage which began  September  6, 1996.  The
equivalent  availability for IP's coal-fired  plants was 84.1% and 73.4% for the
nine  months  ended  September  30,  1998  and  1997,  respectively.  The  lower
equivalent  availability  for the fossil plants in 1997 was primarily due to the
fire and subsequent shut-down of the Wood River fossil station in December 1996.

     Gas Operations - For the nine months ended  September  30,1998,  gas margin
decreased  $24.4 million.  Gas revenues  decreased  $61.3 million due to low gas
prices and a 12.7% decrease in therm sales (excluding  transport) caused by mild
weather.   Gas  purchased  costs  decreased  $36.9  million  due  to  the  lower
consumption and lower gas prices.

     Operation and Maintenance Expenses - The increase for the first nine months
of 1998 of $90.2  million is primarily due to higher  operating and  maintenance
expenses associated with the Clinton outage. For more information,  see "Clinton
Power Station" of the  "Management's  Discussion and Analysis" on pages 20-21 of
this report.

     Diversified enterprises - Due primarily to decreased power trading activity
at IEP,  diversified  enterprise revenues decreased $295.7 million for the first
nine months of 1998,  which was offset by a decrease in  diversified  enterprise
expenses of $317.4 million.

     Earnings  per Common  Share - The  earnings  per common  share for Illinova
during the third quarter of 1998 and 1997 resulted from the  interaction  of all
the factors discussed herein.



                                       28
<PAGE>




PART II. OTHER INFORMATION

ITEM 1.
     Legal Proceedings

     See "Notes to Consolidated Financial Statements" in Part I for a discussion
of certain legal proceedings related to manufactured gas plant sites.

     See  "Management's  Discussion  and Analysis" in Part I for a discussion of
certain legal proceedings related to regulatory matters.

     Currently,  commercial reprocessing of spent nuclear fuel is not allowed in
the U.S. The Nuclear  Waste Policy Act of 1982 (NWPA) was enacted to establish a
government  policy with respect to disposal of spent nuclear fuel and high-level
radioactive  waste.  On June 20, 1994, IP, along with other  utilities and state
utility commissions, filed an action in the D.C. Circuit Court of Appeals asking
the  Court to rule that the  Department  of Energy  (DOE) is  obligated  to take
responsibility  for spent  nuclear fuel by January 31, 1998 under the NWPA.  The
utilities  asked the Court to confirm the DOE's  commitment and to order the DOE
to develop a compliance program with appropriate  deadlines.  The utilities also
asked for relief  from the  ongoing  funding  requirements  or to have an escrow
account established for future funds paid to DOE. Subsequently, the petition was
amended to seek, in addition, relief in the form of specific performance.

     A  three-judge  panel ruled in July 1996 that the DOE's  obligation to take
spent  fuel,  by the January  1998 date  specified  in the NWPA,  is binding and
unconditional.  The DOE notified  utilities in December  1996 that it may not be
able to meet the 1998  deadline,  and solicited  utility  suggestions  on how to
accommodate the potential  delay.  In January 1997,  petitions were filed in the
D.C.  Circuit  Court of  Appeals  by IP and other  utilities  and state  utility
commissions,  seeking further enforcement of DOE's obligation.  In response, the
Court has reaffirmed its ruling that the DOE  obligation is  unconditional,  but
has not granted injunctive  relief.  This means that the Court has found the DOE
in breach of DOE's obligation but has not literally  ordered the DOE to perform.
On May 5, 1998,  the court issued another order denying all motions before it on
the basis that the various  requests for relief were either  beyond the scope of
that court's jurisdiction or premature.  This reaffirmed its earlier ruling that
the DOE has an  unconditional  statutory  obligation  to perform,  and  offering
relief if contract  remedies imposed by a different court are inconsistent  with
this statutory duty.

     IP has  on-site  storage  capacity  that will  accommodate  its spent  fuel
storage  needs until the year 2007,  based on  operating  levels with Clinton in
production.  If by  that  date  the  DOE has not  complied  with  its  statutory
obligation to dispose of spent fuel,  and IP has continued to operate the plant,
IP will have to use alternative means of disposal,  such as dry storage in casks
on site or  transportation  of the fuel rods to  private  or  collectively-owned
utility  repositories.  IP is  currently  an equity  partner  with  seven  other
utilities in an effort to develop a private  temporary  repository.  Attempts to
reach  agreement  with the  Mescalaro  Apache Tribe of New Mexico ended in early
1996; however,  the group signed a lease in December 1996 with the Goshute Tribe
to use land on its Utah reservation. A spent fuel storage license was filed with
the NRC in 1997,  initiating a process which will take the NRC up to three years
to  complete.  Continued  participation  in the  partnership  will depend on the
technological and economic viability of the project.  Safe, dry, on-site storage
is  technologically  feasible,  but is subject to licensing and local permitting
requirements, for which there may be effective opposition.




                                       29
<PAGE>



ITEM 6.   Exhibits and Reports on Form 8-K

   (a)    Exhibits

          The Exhibits filed with this 10-Q are listed on the Exhibit Index.

   (b)    Reports on Form 8-K since June 30, 1998:

                  Report filed on Form 8-K on July 6, 1998
                                       Other Events:  Illinova  announces
                                       significantly  higher replacement power
                                       costs and lower earnings projections.

                  Report filed on Form 8-K on July 15, 1998
                                       Item 7, Exhibits: Press release
                                       Illinova  releases  1998 second
                                       quarter  earnings  and provides
                                       earnings outlook for 1998.

                  Report filed on Form 8-K on October 20, 1998
                                       Item 7, Exhibits: Press Release
                                       Illinova  releases  1998  third
                                       quarter   earnings,   announces
                                       revision  in  Clinton  re-start
                                       date  and  announces   Treasury
                                       Stock buyback authorization.






                                       30
<PAGE>





                                   SIGNATURES

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

                                                     ILLINOVA CORPORATION
                                                          (Registrant)




                                                   By /s/ Larry F. Altembaumer
                                                     ---------------------------
                                                     Larry F. Altenbaumer
                                                     Chief Financial Officer
                                                     Treasurer and Controller
                                                     on behalf of
                                                     Illinova Corporation







Date: November 16, 1998







                                       31
<PAGE>




                                   SIGNATURES

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

                                                     ILLINOIS POWER COMPANY
                                                     (Registrant)



                                                  By /s/ Larry F. Altembaumer
                                                     ---------------------------
                                                     Larry F. Altenbaumer
                                                     Senior Vice President and
                                                     Chief Financial Officer
                                                     on behalf of
                                                     Illinois Power Company







Date: November 16, 1998





                                       32
<PAGE>




                                  EXHIBIT INDEX


                                                             PAGE NO. WITHIN
                                                          SEQUENTIAL NUMBERING
EXHIBIT                          DESCRIPTION                    SYSTEM

   10                Material Contracts                        34 - 69

   27                Financial Data Schedule UT
                     (filed herewith)





                                       33
<PAGE>



Exhibit 10 - Material Contracts


     10a - Employment Contract

Charles E. Bayless
Illinova Corporation
500 South 27th Street
Decatur, Illinois  62521

Dear Mr. Bayless:

         This letter is to confirm the terms of your  employment  with  Illinova
Corporation.

1.   Salary.  Your  annual base  salary  will be  $560,000,  subject to periodic
     review to determine whether an increase is appropriate.

2.   Bonus.  You will be  entitled to  participate  in the  Executive  Incentive
     Compensation  Plan.  For  1998,  you are  guaranteed  a  minimum  bonus  of
     $232,000, with an opportunity for a payment of up to $302,000 for the year.
     After 1998, your bonus under the Executive Incentive Compensation Plan will
     be  $280,000  (which  is  50%  of  your  salary)  if the  target  level  of
     performance is achieved,  and your bonus will be $420,000  (which is 75% of
     your salary) at the maximum achievement level.

3.   Long-Term  Incentive Award. For 1998, your entire long-term incentive award
     will be in the form of a stock option,  the terms of which are reflected in
     the enclosed  stock option  agreement.  After 1998,  70% of your  long-term
     incentive award will be made as a stock option grant, and the remaining 30%
     will be made as performance  share grant.  Although the size of your future
     long-term  incentive awards has not yet been determined,  I anticipate that
     the value of your annual award would approximate 90% of your base salary.

4.   Supplemental   Pension.   In  lieu  of   participation   in  the  Company's
     Supplemental Executive Retirement Plan, you will be covered by the enclosed
     Supplemental Pension Plan.

5.   Retention Agreement. You will be covered by the enclosed Employee Retention
     Agreement, which provides benefits in the event of a Change in Control.

6.   Loan.  To compensate  you for amounts you have  foregone by leaving  Tucson
     Electric Power Company to join Illinova  Corporation,  you will be entitled
     to a loan from the Company of $500,000. The terms of the loan are reflected
     in the enclosed letter and promissory note.



                                       34
<PAGE>




7.   Lump Sum Death Benefits.  If your death should occur while you are employed
     by the Company, your surviving spouse (or, if she does not survive you, the
     beneficiary designated by you) will be entitled to a lump sum death benefit
     of two times the amount of your salary  plus your target  bonus at the time
     of your  death.  In lieu of  receiving  this lump sum death  benefit,  your
     surviving  spouse may elect to receive the surviving  spouse  benefit under
     the  Supplemental  Pension Plan. (If your spouse does not survive you, only
     the death benefit described in this paragraph is payable.  The Supplemental
     Pension Plan does not provide for other survivor benefits.)

8.   Termination.  You may resign  from the  Company at any time for any reason,
     and the Board of Directors of the Company may terminate your  employment at
     any time for any reason. At the time of your termination of employment, you
     (or  your  estate)  will  be  entitled  to the  compensation  and  benefits
     specified in this letter and the enclosed material, as well as to the other
     benefits  you earned  while  employed  by the  Company,  to the extent such
     compensation  and benefits are payable on your  termination  of employment.
     You agree that,  upon  termination of employment  for any reason,  you will
     resign from the Board of Directors of the Company and the subsidiaries.

     If the foregoing reflects your understanding of the terms of your agreement
with the  Company,  please so indicate  by signing and  returning a copy of this
letter to the undersigned, along with a signed copy of each of the enclosures.

                                                   Very truly yours,

                                                   Illinova Corporation



Accepted and agreed to this
13th day of August, 1998.


Charles E. Bayless



                                       35
<PAGE>



Exhibit 10 - Material Contracts

     10b - Agreement to Make a Loan

Charles E. Bayless
Illinova Corporation
500 South 27th Street
Decatur, Illinois  62521

Dear Mr. Bayless:

         This  letter  is  to  confirm  our  verbal   agreement   that  Illinova
Corporation (the "Company") will loan you $500,000.00. The Company is making the
loan to compensate you for amounts you have foregone by leaving Tucson  Electric
Power  Company to join the Company.  As a condition of receiving  the loan,  you
must sign and return one copy of this letter and the enclosed promissory note.

         As indicated in the promissory note, 20% of the principal amount of the
loan will be forgiven on each of the first through fifth  anniversaries  of July
6, 1998,  if you are employed by the Company on such  anniversary.  Also,  as of
each such anniversary,  the entire amount of interest accrued on the outstanding
principal during the prior one-year period shall be forgiven.

         As of each  anniversary,  the amount of the forgiveness of principal or
interest  on that date will be taxable  income to you.  As of each date on which
the forgiveness  occurs, you will become entitled to a tax gross-up payment from
the Company in an amount equal to the aggregate of the additional Federal, state
and local  income  taxes  payable  by you by reason  of the  forgiveness  of the
interest amount (but not by reason of the forgiveness of the principal  amount),
and by reason of your receipt of the gross-up payment.

         If, prior to December 31, 1999,  your  employment  is terminated by the
Company for reasons other than Cause,  the amount of any outstanding  balance of
principal and interest will be forgiven,  and you will become  entitled to a tax
gross-up payment in an amount equal to the aggregate of the additional  Federal,
state and local income taxes payable by you by reason of the  forgiveness of the
interest amount (but not by reason of the forgiveness of the principal  amount),
and by  reason  of  your  receipt  of the  gross-up  payment.  However,  if your
employment  is  terminated  (i) prior to  December  31,  1999 by the Company for
Cause,  (ii) prior to December  31,  1999 by reason of your  death,  disability,
voluntary  resignation or any other reason, except by the Company other than for
Cause, or (iii) for any reason on or after December 31, 1999, then the amount of
any  outstanding  balance of principal and interest will become  immediately due
and payable.  After termination of your employment,  if amounts are due from you
to repay the loan, and such amounts are otherwise  unpaid,  the Company  retains

                                       36
<PAGE>



the right to offset such liability against amounts otherwise due to you from the
Company.

         If the  foregoing  reflects  your  understanding  of the  terms of your
agreement  with the Company,  please so indicate by signing and returning a copy
of this  letter  to the  undersigned,  along  with a signed  copy of each of the
enclosures.

                                                         Very truly yours,

                                                         Illinova Corporation

                                                         By:


Accepted and agreed to this
13th day of August, 1998.


Charles E. Bayless



                                       37
<PAGE>



Exhibit 10 - Material Contracts

     10c - Promissory Note

                                 PROMISSORY NOTE

$500,000.00                                                   August 13, 1998
                                                              Decatur, Illinois


         FOR VALUE RECEIVED, the undersigned,  Charles E. Bayless, an individual
(the  "Employee"),  promises  to pay to the order of  Illinova  Corporation,  an
Illinois  corporation  (the  "Company"),  on the  date on which  the  Employee's
employment with the Company  terminates (the "Maturity Date"), the principal sum
of $500,000.00 and any accrued interest on this Note,  subject to the provisions
of this Note relating to forgiveness of such obligations.

         This Note evidences  obligations in connection  with a loan made by the
Company to the  Employee  as part of the  inducement  to the  Employee to become
employed by the Company.

         The unpaid  principal amount of this Note from time to time outstanding
shall bear interest at a rate per annum (based upon a 365/366 day year) equal to
the  applicable  Federal  rate as of the  August 13,  1998,  as  determined  for
purposes of section  1274(d) of the Internal  Revenue Code of 1986,  as amended,
compounded  annually.  After  the  Maturity  Date,  any  unpaid  and  unforgiven
principal amount and accrued unforgiven  interest on the unpaid principal amount
of this Note shall be payable on demand.

         As of each of the first five one-year anniversaries of July 6, 1998, if
the Employee is employed by the Company on such anniversary,  an amount equal to
$100,000.00  of the  principal  amount due under this  Note,  together  with the
amount of interest that has accrued with respect to the entire unpaid  principal
and  interest  amount  since the  preceding  July 6, shall be  forgiven.  If the
Employee's  employment with the Company  terminates  prior to December 31, 1999,
and such  termination  is the  result of being  discharged  by the  Company  for
reasons  other  than  Cause,  any  remaining  principal  and  interest  shall be
forgiven.  If the Employee's employment with the Company terminates (i) prior to
December  31, 1999 by the Company for Cause,  (ii) prior to December 31, 1999 by
reason of the Employee's death,  disability,  voluntary resignation or any other
reason,  except by the Company other than for Cause,  or (iii) for any reason on
or after  December 31, 1999,  then any remaining  principal  and interest  shall
become  due and  payable  on the date of such  termination  of  employment.  For
purposes of this Note, the term "Cause" shall mean:

          (a)  the  Employee's  conviction of any criminal  violation  involving
               dishonesty, fraud, or breach of trust,


                                       38
<PAGE>



          (b)  the  Employee's  willful  engagement  in  any  misconduct  in the
               performance of the Employee's  duty that  materially  injures the
               Company,

          (c)  the  Employee's  performance  of any act  which,  if known to the
               shareholders   or  regulators  of  the  Company  or  any  of  its
               subsidiaries,  would materially and adversely affect the business
               of the Company or any of its subsidiaries, or

          (d)  the Employee's willful and substantial nonperformance of assigned
               duties; provided that such nonperformance has continued more than
               ten days  after  the  Company  has given  written  notice of such
               nonperformance  and of its intention to terminate the  Employee's
               employment because of such nonperformance.

         Subject to the other terms and  conditions  hereof,  the  Employee  may
voluntarily  prepay all or any  portion of the unpaid and  unforgiven  principal
amount of this Note from time to time outstanding and any accrued and unforgiven
interest thereon, without premium or penalty.

         All payments of principal of and interest on this Note shall be payable
in lawful currency of the United States of America at Decatur,  Illinois or such
other place as the Company shall  designate to the Employee in writing,  in cash
or by check. If payment hereunder falls due on a day which is either a Saturday,
Sunday or any other day on which banks in Decatur,  Illinois  are not  generally
open for business to the public (i.e., not a "Business Day"), then such due date
shall be extended to the  immediately  succeeding  Business Day, and  additional
interest shall accrue and be payable for the period of any such extension.

         The  Employee  agrees  that if any of the  following  events of default
(each an "Event of Default") shall occur and be continuing:

          (i)  default in the performance or observance of any other  agreements
               of the Employee contained herein, or

          (ii) the  institution of any bankruptcy,  insolvency,  receivership or
               similar proceeding relating to the Employee or his assets, and if
               such case or proceeding  is not commenced by the Employee,  it is
               consented to or  acquiesced  in by the Employee or remains for 60
               days undismissed;

then the Company may declare this Note and all unpaid and  unforgiven  principal
of and interest on this Note and all accrued  costs,  expenses and other amounts



                                       39
<PAGE>




under this Note to be due and  payable,  whereupon  all  unpaid  and  unforgiven
principal  of and  interest on this Note and all such costs,  expenses and other
amounts shall immediately become due and payable following such declaration.

         The Employee  hereby  represents  and warrants to the Company as of the
date hereof (i) that this Note is the legally  valid and binding  obligation  of
the Employee, enforceable against the Employee in accordance with its terms, and
(ii) that the execution,  delivery and  performance by the Employee of this Note
does not conflict  with or contravene  (a) any law,  rule or regulation  binding
upon the Employee or affecting any of the Employee's  assets,  (b) any provision
of any contract,  instrument or agreement binding upon the Employee or affecting
any of the  Employee's  assets,  or (c) any  writ,  order,  judgment,  decree or
decision of any court or governmental  instrumentality binding upon the Employee
or affecting any of the Employee's assets.

         All  notices,   certificates  and  other   communications   ("Notices")
hereunder  shall  be in  writing  and may be  either  delivered  personally,  by
nationally  recognized express courier for overnight  delivery,  or by facsimile
(with request for assurance of receipt in a manner  appropriate  with respect to
communications  of that type,  provided that a confirmation copy is concurrently
sent by a  nationally  recognized  express  courier for  overnight  delivery) or
mailed,  postage  prepaid,  by  certified or  registered  mail,  return  receipt
requested, addressed as follows:

         If to the Company:         Illinova Corporation
                                    500 South 27th Street
                                    Decatur, Illinois 62521
                                    Attention: General Counsel

         If to the Employee:        Charles E. Bayless
                                    Illinova Corporation
                                    500 South 27th Street
                                    Decatur, Illinois 62521

         All  notices  hereunder  shall  be  in  writing   (including,   without
limitation,  facsimile  transmission)  and shall be sent to the  Employee or the
Company,  as appropriate,  at such party's address shown above, or at such other
address as such party may, by written notice received by the other party hereto,
have  designated  as its or his  address  for  such  purpose.  Notices  sent  by
facsimile  transmission  shall be deemed to have been given  when sent;  notices
sent by mail shall be deemed to have been given five days after the date  mailed
by  registered  or certified  mail,  postage  prepaid;  and notices sent by hand
delivery shall be deemed to have been given when received.



                                       40
<PAGE>



         This Note has been made and delivered at Decatur, Illinois and shall be
construed in  accordance  with and governed by the internal laws of the State of
Illinois. Wherever possible, each provision of this Note shall be interpreted in
such  manner as to be  effective  and valid  under  applicable  law,  but if any
provision of this Note shall be prohibited by or invalid under  applicable  law,
such provision  shall be ineffective to the least extent of such  prohibition or
invalidity,  without  invalidating  the  remainder  of  such  provision  or  the
remaining provisions of this Note.

         IN WITNESS WHEREOF, the Employee has caused this Note to be executed as
of the day and year first above written.




                                                     Charles E. Bayless
                                                     


                                       41
<PAGE>




Exhibit 10 - Material Contracts

     10d - Agreement Concerning Supplemental Pension Plan


                              ILLINOVA CORPORATION
                            SUPPLEMENTAL PENSION PLAN

     The  Supplemental  Pension Plan (the "Plan") is adopted  effective  July 6,
1998. The Plan is established  and  maintained by Illinova  Corporation  for the
purpose  of  providing  benefits  for  the  Participant,   Charles  E.  Bayless.
Accordingly,  Illinova  Corporation hereby adopts the Plan pursuant to the terms
and provisions set forth below:

                                    ARTICLE I

                                   Definitions

     Wherever  used  herein  the   following   terms  shall  have  the  meanings
hereinafter set forth:

     1.1 "Accrued Vested Benefit" of the Participant shall have the meaning
determined in accordance with Section 3.1.

     1.2 "Board" means the Board of Directors of the Company.

     1.3 "Cause" means:

     (a)  the  Participant's  conviction  of any  criminal  violation  involving
          dishonesty, fraud, or breach of trust,

     (b)  the Participant's will engagement in any misconduct in the performance
          of the Participant's duty that materially injures the Company,

     (c)  the  Participant's  performance  of any act  which,  if  known  to the
          shareholders or regulators of the Company or any of its  subsidiaries,
          would  materially and adversely  affect the business of the Company or
          any of its subsidiaries, or

     (d)  the Participant's  willful and substantial  nonperformance of assigned
          duties;  provided that such nonperformance has continued more than ten
          days after the Company has given written notice of such nonperformance
          and of its intention to terminate the Participant's employment because
          of such nonperformance.

     1.4 "Code" means the Internal Revenue Code of 1986, as amended from time to
time, and any regulations relating thereto.



                                       42
<PAGE>



     1.5 "Company" means Illinova Corporation,  an Illinois corporation,  or, to
the extent  provided in Section 7.8 any  successor  corporation  or other entity
resulting from a merger or consolidation  into or with the Company or a transfer
or sale of substantially all of the assets of the Company.

     1.6  "Earnings"  of the  Participant  for  any  calendar  month  means  the
Participant's  accrued  salary and bonus for that month and,  for this  purpose,
shall include any portion of such salary or bonus that would otherwise have been
includible  for the month but is  contributed  by the  Company  on behalf of the
Participant  pursuant to the  Participant's  election under a "qualified cash or
deferred arrangement" (as defined in section 401(k) of the Code) that is part of
any qualified  profit  sharing plan  maintained by the Company.  For purposes of
this  definition,  the  Participant's  bonus for any  month is the bonus  amount
earned under the Executive  Incentive  Compensation Plan (or any other successor
plan providing for an annual bonus) for that month. For each calendar year after
1998,  the annual bonus shall be deemed to be earned  evenly  during each of the
months in which the  Participant  was employed by the Company  during that year.
For each of the six months  between July and  December,  1998,  the bonus amount
deemed  to be earned in a month  shall be  1/12th  of  $232,000  plus 1/6 of any
portion of the Participant's total annual bonus for 1998 that exceeds $232,000.

     1.7 "Final Average Earnings" means the average of the Participant's monthly
Earnings  during the 36  consecutive  calendar  months that produces the highest
average  and that  occurs  during the last 60  calendar  months  ending with the
calendar  month  in  which  the   Participant's   employment  with  the  Company
terminates.  If the Participant total employment period with the Company is less
than 36 calendar  months,  his Final  Average  Earnings  shall be  determined by
averaging  (on a calendar  month  basis) the  Earnings  received by him from the
Company during his entire period of employment.

     1.8  "Normal  Retirement  Date" means the first day of the  calendar  month
coinciding with or next following the Participant's 65th birthday.

     1.9 "Participant" means Charles E. Bayless.

     1.10 "Plan" means the Illinova Corporation Supplemental Pension Plan.

     1.11 "Qualified  Plan" means the Illinois Power Company  Retirement  Income
Plan for Salaried Employees or any successor plan.



                                       43
<PAGE>



     1.12  "Qualified  Plan  Retirement  Benefit" means the benefit payable to a
Participant  pursuant  to the  Qualified  Plan by reason of his  termination  of
employment with the Company for any reason other than death.

     1.13 "Qualified Plan Surviving Spouse Benefit" means the benefit payable to
the Surviving  Spouse of the  Participant  pursuant to the Qualified Plan in the
event of the  death of the  Participant  at any time  prior to  commencement  of
payment of his Qualified Plan Retirement Benefit.

     1.14  "Supplemental  Retirement  Benefit" means the benefit  payable to the
Participant pursuant to the Plan by reason of his termination of employment with
the Company for any reason other than death.

     1.15 "Surviving Spouse" means a person who is married to the Participant at
the date of his death and for at least one year prior thereto.

     1.16 "Supplemental Surviving Spouse Benefit" means the benefit payable to a
Surviving Spouse pursuant to the Plan.

     1.17 The  Participant's  "termination" of employment with the Company shall
be deemed to occur on the day immediately following the date on which he is last
employed by the Company

     1.18 Words in the  masculine  gender  shall  include the  feminine  and the
singular  shall  include the plural,  and vice versa,  unless  qualified  by the
context.  Any headings used herein are included for ease of reference  only, and
are not to be construed so as to alter the terms hereof.

                                   ARTICLE II
                                   Eligibility

     The  Participant  shall be  eligible to receive a  Supplemental  Retirement
Benefit to the extent  provided in Article III of the Plan.  If the  Participant
dies prior to commencement of payment of his Qualified Plan Retirement  Benefit,
the  Surviving  Spouse  of the  Participant  shall  be  eligible  to  receive  a
Supplemental  Surviving  Spouse Benefit to the extent  provided in Article IV of
the Plan.



                                       44
<PAGE>



                                   ARTICLE III
                         Supplemental Retirement Benefit

     3.1 Amount. The Supplemental  Retirement Benefit payable to the Participant
in the form of a straight  life  annuity  over the  lifetime of the  Participant
only,  commencing on his Normal Retirement Date, shall be a monthly amount equal
to the excess of the amount described in paragraph (a) over the amount described
in paragraph (b) below:

     (a)  the Participant's Accrued Vested Benefit;

                                      LESS

     (b)  the monthly amount of the Qualified Plan Retirement  Benefit  actually
          payable to the Participant under the Qualified Plan.

     The  amounts  described  in (a) and (b) shall be computed as of the date of
termination of employment of the  Participant  with the Company in the form of a
straight  life  annuity  payable  over  the  lifetime  of the  Participant  only
commencing on his Normal Retirement Date.

     The   Participant's   "Accrued  Vested  Benefit"  shall  be  determined  in
accordance with the following:

     (i) if the  Participant's  employment  with the Company  terminates for any
     reason prior to January 1, 2000,  his Accrued Vested Benefit shall be zero,
     and he shall not be entitled to any benefits under the Plan;

     (ii) if the  Participant's  employment  with the Company  terminates  after
     December  31,  1999 and prior to December  31,  2004,  and the  termination
     occurs by reason of his being  discharged  by the Company for reasons other
     than Cause, or if the Participant's  employment with the Company terminates
     on or after  December 31, 2004 for any reason,  the  Participant's  Accrued
     Vested  Benefit  shall be equal to 40% of the  Participant's  Final Average
     Earnings as of the date of his termination of employment; and

     (iii) if the  Participant's  employment with the Company  terminates  after
     December  31,  1999 and prior to December  31,  2004,  and the  termination
     occurs for any reason  other than his being  discharged  by the Company for
     reasons other than Cause, the Participant's Accrued Vested Benefit shall be
   


                                       45
<PAGE>




     equal to 40% of the Participant's  Final Average Earnings as of the date of
     his  termination  of  employment,  multiplied  by  the  vesting  percentage
     determined in accordance with the following schedule:

     --------------------------------------   ----------------------------------
     If the Participant's employment with      The vesting percentage shall be:
     the Company terminates during this
                   period:                                               
              
     --------------------------------------   ----------------------------------
      On or after December 31, 2000, and                   20%
           before December 31, 2001

     --------------------------------------   ----------------------------------
      On or after December 31, 2001, and                   40%
           before December 31, 2002

     --------------------------------------   ----------------------------------
      On or after December 31, 2002, and                   60%
           before December 31, 2003

     --------------------------------------   ----------------------------------
      On or after December 31, 2003, and                   80%
           before December 31, 2004

     --------------------------------------   ----------------------------------
            After December 31, 2004                       100%
     --------------------------------------   ----------------------------------


Notwithstanding the foregoing  provisions of this Section 3.2, the determination
of the Participant's  benefits shall be subject to the provisions of paragraph 1
of the  Employee  Retention  Agreement  between the Company and the  Participant
dated August 13, 1998,  to the extent that such  provisions  are  applicable  by
their terms.

     3.2 Form of Benefit.  The  Supplemental  Retirement  Benefit payable to the
Participant  shall be paid in the same  form  under  which  the  Qualified  Plan
Retirement  Benefit is payable to the Participant.  The  Participant's  election
under the Qualified  Plan of any optional form of payment of his Qualified  Plan
Retirement  Benefit shall also be applicable to the payment of his  Supplemental
Retirement Benefit.

     3.3 Commencement of Benefit. Payment of the Supplemental Retirement Benefit
to the  Participant  shall commence on the same date as payment of the Qualified
Plan  Retirement  Benefit to the Participant  commences.  Any election under the
Qualified  Plan made by the  Participant  with  respect to the  commencement  of
payment of his Qualified Plan  Retirement  Benefit shall also be applicable with
respect to the commencement of payment of his Supplemental Retirement Benefit.

     3.4 Approval of Company. Notwithstanding the provisions of Sections 3.2 and
3.3 above,  an election made by the  Participant  under the Qualified  Plan with
respect to the form of payment of his Qualified Plan  Retirement  Benefit or the



                                       46
<PAGE>




date for  commencement of payment thereof shall not be effective with respect to
the form of payment  or date for  commencement  of  payment of his  Supplemental
Retirement  Benefit  hereunder  unless such  election is  expressly  approved in
writing by the Company with respect to his Supplemental  Retirement  Benefit. If
the Company shall not approve such election in writing, then the form of payment
or date for commencement of payment of the Participant's Supplemental Retirement
Benefit shall be selected by the Company in its sole discretion. If benefits are
payable to the  Participant  under this Plan, but no benefits are payable to the
Participant  under the  Qualified  Plan,  the time and form of benefit  shall be
selected by the Participant,  subject to the consent of the Company,  from among
the alternatives that would be available under the Qualified Plan (or such other
alternatives permitted by the Company).

     3.5  Actuarial  Equivalent.  A  Supplemental  Retirement  Benefit  which is
payable in any form other than a straight  life annuity over the lifetime of the
Participant,  or which commences at any time prior to the  Participant's  Normal
Retirement  Date,  shall  be  the  actuarial   equivalent  of  the  Supplemental
Retirement  Benefit  set forth in Section  3.1 above as  determined  by the same
actuarial  adjustments as those  specified in the Qualified Plan with respect to
determination of the amount of the Qualified Plan Retirement Benefit.

                                   ARTICLE IV
                      Supplemental Surviving Spouse Benefit

     4.1  Amount. If the Participant dies either:

     (i)  while employed by the Company; or

     (ii) prior  to  commencement  of  payment  of his  Supplemental  Retirement
          Benefit under this Plan, but after his employment with the Company has
          terminated with an Accrued Vested Benefit that is greater than zero;

then a Supplemental  Surviving Spouse Benefit is payable to his Surviving Spouse
as hereinafter provided. The monthly amount of the Supplemental Surviving Spouse
Benefit payable to a Surviving Spouse shall be equal to the excess of the amount
described in paragraph (a) over the amount described in paragraph (b) below:

     (a)  the monthly amount of the Qualified  Plan Surviving  Spouse Benefit to
          which the Surviving Spouse of the Participant would have been entitled
          under the  Qualified  Plan,  but  determined by applying the Surviving
          Spouse  Benefit  provisions of the Qualified Plan as though the amount
          


                                       47
<PAGE>




          of the monthly benefit (payable in the form of a straight life annuity
          commencing  at the  Participant's  Normal  Retirement  Date) which the
          Participant  had earned on the date of his death had been equal to the
          amount of his  Accrued  Vested  Benefit  (as defined in Section 3.1 of
          this Plan);

                                      LESS

     (b)  the monthly  amount of the Qualified  Plan  Surviving  Spouse  Benefit
          actually payable to the Surviving Spouse under the Qualified Plan.

     Notwithstanding any other provision of the Plan, the Surviving Spouse shall
be entitled to benefits  under this Section 4.1 only if she waives all rights to
receive  the lump sum death  benefits to which she would  otherwise  be entitled
under the  provisions  of the July 6, 1998  letter to the  Participant  from the
Company,  with such  waiver to be made  within 90 days  after the  Participant's
death in accordance with the procedures established by the Company.

     4.2 Form and  Commencement  of Benefit.  A  Supplemental  Surviving  Spouse
Benefit  shall be payable  over the  lifetime  of the  Surviving  Spouse only in
monthly  installments  commencing on the date for commencement of payment of the
Qualified Plan Surviving  Spouse Benefit to the Surviving Spouse and terminating
on the date of the last payment of the Qualified Plan  Surviving  Spouse Benefit
made before the Surviving Spouse's death.

                                    ARTICLE V
                           Administration of the Plan

     5.1 Administration by the Company. The Company shall be responsible for the
general  operation  and  administration  of the  Plan and for  carrying  out the
provisions thereof.

     5.2  General  Powers of  Administration.  All  provisions  set forth in the
Qualified  Plan with  respect  to the  administrative  powers  and duties of the
Company,  expenses of administration and procedures for filing claims shall also
be  applicable  with respect to the Plan.  The Company shall be entitled to rely
conclusively  upon all tables,  valuations,  certificates,  opinions and reports
furnished  by any  actuary,  accountant,  controller,  counsel  or other  person
employed or engaged by the Company with respect to the Plan.



                                       48
<PAGE>




                                   ARTICLE VI
                            Amendment or Termination

     The Plan may be amended or  terminated  at any time by the Board,  provided
however that,  notwithstanding  any other provision of the Plan, no amendment or
termination  that would  adversely  affect the rights of the  Participant or his
Surviving  Spouse  (including,  without  limitation,  his right to accrue future
benefits)  may be made by the Company  except  with the  written  consent of the
Participant  (or,  in the event of his death,  with the  written  consent of the
Surviving Spouse).

                                   ARTICLE VII
                               General Provisions

     7.1  Funding.  The Plan at all  times  shall be  entirely  unfunded  and no
provision  shall at any time be made with respect to  segregating  any assets of
the Company for payment of any benefits  hereunder.  No  Participant,  Surviving
Spouse or any other person shall have any interest in any  particular  assets of
the  Company by reason of the right to receive a benefit  under the Plan and any
such Participant, Surviving Spouse or other person shall have only the rights of
a general unsecured creditor of the Company with respect to any rights under the
Plan.

     7.2 General Conditions.  Except as otherwise expressly provided herein, all
terms and  conditions  of the  Qualified  Plan  applicable  to a Qualified  Plan
Retirement  Benefit or a Qualified Plan  Surviving  Spouse Benefit shall also be
applicable to a  Supplemental  Retirement  Benefit or a  Supplemental  Surviving
Spouse  Benefit  payable  hereunder.  Any Qualified Plan  Retirement  Benefit or
Qualified Plan Surviving Spouse Benefit,  or any other benefit payable under the
Qualified Plan, shall be paid solely in accordance with the terms and conditions
of the Qualified  Plan and nothing in this Plan shall operate or be construed in
any way to modify,  amend or affect the terms and  provisions  of the  Qualified
Plan.

     7.3 No Guaranty of Benefits. Nothing contained in the Plan shall constitute
a guaranty by the  Company or any other  entity or person that the assets of the
Company will be sufficient to pay any benefit hereunder.

     7.4 No Enlargement of Employee  Rights.  No Participant or Surviving Spouse
shall have any right to a benefit under the Plan except in  accordance  with the
terms of the Plan.  Establishment of the Plan shall not be construed to give any
Participant the right to be retained in the service of the Company.



                                       49
<PAGE>



     7.5 Spendthrift Provision. No interest of any person or entity in, or right
to  receive a benefit  under,  the Plan  shall be subject in any manner to sale,
transfer,  assignment,  pledge, attachment,  garnishment, or other alienation or
encumbrance  of any kind; nor may such interest or right to receive a benefit be
taken,  either  voluntarily or involuntarily,  for the satisfaction of the debts
of, or other  obligations or claims  against,  such person or entity,  including
claims for  alimony,  support,  separate  maintenance  and claims in  bankruptcy
proceedings.

     7.6 Applicable Law. The Plan shall be construed and administered  under the
laws of the State of Illinois.

     7.7 Incapacity of Recipient.  If any person  entitled to a benefit  payment
under the Plan is deemed by the Company to be incapable of personally  receiving
and giving a valid  receipt  for such  payment,  then,  unless  and until  claim
therefor  shall  have  been made by a duly  appointed  guardian  or other  legal
representative  of such person,  the Company may provide for such payment or any
part thereof to be made to any other  person or  institution  then  contributing
toward  or  providing  for the care and  maintenance  of such  person.  Any such
payment  shall be a  payment  for the  account  of such  person  and a  complete
discharge of any liability of the Company and the Plan therefor.

     7.8 Corporate Successors.  The Plan shall be binding upon, and inure to the
benefit  of, the  Company  and its  successors  and  assigns and upon any person
acquiring,  whether by merger,  consolidation,  purchase of assets or otherwise,
all or substantially all of the Company's assets and business, and the successor
shall be substituted for the Company under the Plan.

     7.9 Unclaimed Benefit.  Each Participate shall keep the Company informed of
his current address and the current address of his spouse. The Company shall not
be obligated to search for the whereabouts of any person. If the location of the
Participant  is not made known to the Company  within  three (3) years after the
date on which payment of the Participant's  Supplemental  Retirement Benefit may
first be made, payment may be made as though the Participant had died at the end
of the three-year  period.  If, within one additional year after such three-year
period has  elapsed,  or,  within  three  years  after the  actual  death of the
Participant,  the  Company  is  unable  to locate  any  Surviving  Spouse of the
Participant,  then the  Company  shall  have no  further  obligation  to pay any
benefit  hereunder to such  Participant or Surviving  Spouse or any other person
and such benefit shall be irrevocably forfeited.

     7.10  Limitations  on  Liability.  Notwithstanding  any  of  the  preceding
provisions  of the Plan,  neither the Company  nor any  individual  acting as an



                                       50
<PAGE>



employee  or agent of the  Company  shall be liable to any  Participant,  former
Participant, Surviving Spouse or any other person for any claim, loss, liability
or expense incurred in connection with the Plan.

     IN WITNESS WHEREOF,  the undersigned  director of the Company, on behalf of
the Company, has executed this Plan to witness its adoption by the Company as of
July 6,  1998,  and the  Participant  has  executed  this  Plan to  witness  his
understanding that it reflects his agreement with the Company.


                                                 ILLINOVA CORPORATION


                                                 By:____________________________



Accepted and agreed to this
13th day of August, 1998.


Charles E. Bayless




                                       51
<PAGE>




Exhibit 10 - Material Contracts

     10e - Employee Retention Agreement

                              ILLINOVA CORPORATION
                          EMPLOYEE RETENTION AGREEMENT

     THIS EMPLOYEE  RETENTION  AGREEMENT (the  "Agreement") is entered into this
13th day of  August,  1998 by and  between  ILLINOVA  CORPORATION,  an  Illinois
corporation (the "Company") and Charles E. Bayless (the "Employee").
         

     WHEREAS,  the  Company  desires  to retain  the  services  of  Employee  in
connection  with any  change in  control  of the  Company;

     NOW, THEREFORE, in consideration of continued employment and for other good
and  valuable  consideration,  the receipt and  sufficiency  of which are hereby
acknowledged, the Company and the Employee agree as follows:

     1.  Change in Control  Benefits.  If within two (2) years after a Change in
Control (as defined  below),  (i) the Company  shall  terminate  the  Employee's
employment with the Company  without Good Cause (as defined below),  or (ii) the
Employee  shall  voluntarily  terminate  such  employment  with Good  Reason (as
defined  below),  then the  provisions of paragraphs  (a), (b), (c), (d) and (e)
below shall apply:

(a)  The  Employee  shall be entitled to receive from the Company for the period
     continuing  through the  36-month  anniversary  of the  termination  of the
     Employee's  employment with the Company,  a monthly payment equal to 1/12th
     of the sum of:

     (I) the greater of the Employee's  annual salary rate in effect on the date
     of the Change in Control, or the Employee's annual salary rate in effect on
     the date Employee's employment with the Company terminates; plus





                                       52
<PAGE>




     (II) the amount of the latest  annual bonus  earned by  Employee,  provided
     that the amount  described in this  paragraph (II) shall be zero unless the
     Employee has received an annual bonus in one or more of the three  calendar
     years last preceding the termination.

(b)  Notwithstanding  any provision in the promissory  note or the tax letter to
     the contrary,  any  obligation of the Employee for payment of principal and
     interest otherwise due under the promissory note shall be forgiven, and the
     Employee shall be entitled to the tax gross-up  payment as described in the
     tax letter with respect to such forgiven  interest (but not with respect to
     the  forgiven  principal)  For  purposes of this  paragraph  (b),  the term
     "promissory note" shall mean the promissory note dated August 13, 1998 with
     respect to the borrowing of $500,000 by the Employee from the Company,  and
     the term  "tax  letter"  shall  mean the  letter  from the  Company  to the
     Employee  dated August 13, 1998 providing for the tax gross-up with respect
     to the forgiveness of interest under the promissory note.

(c)  Notwithstanding  any  provision  in the  Supplemental  Pension  Plan to the
     contrary,  the Employee's  Accrued  Vested  Benefit under the  Supplemental
     Pension Plan shall be equal to 40% of the Employee's Final Average Earnings
     (as  defined  under the  Supplemental  Pension  Plan) as of the date of his
     termination of employment with the Company.



                                       53
<PAGE>




(d)  The Employee and his dependents,  if any, shall, for thirty-six (36) months
     following the  Employee's  termination  of employment or until the Employee
     reaches 65 years of age,  or is employed  by another  employer,  if sooner,
     continue to  participate in any benefit plans for the Company which provide
     health (including  medical and dental),  life or disability  insurance,  or
     similar coverage;  provided,  however, that the Employee and dependents, if
     any,  shall be eligible to  participate in any benefit plans of the Company
     which  provide  health and life  insurance or similar  coverage as are then
     extended to employees of the Company electing early retirement at age 55 on
     the same terms and subject to the same conditions as are applicable to such
     employees;  provided  that  such  coverage  shall not be  furnished  if the
     Employee waives coverage by giving written notice of waiver to the Company.

(e)  Notwithstanding  any provision of the applicable  stock option agreement to
     the contrary,  any stock option or portion  thereof that is  exercisable on
     the  date  of the  Employee's  Termination  (as  that  term  is used in the
     applicable  stock option  agreement)  shall not be forfeited on the date of
     Termination,  but shall instead  remain  exercisable  for the 30-day period
     following the Termination (or, if greater,  the period otherwise  specified
     by the applicable option agreement);  provided that, in no event shall such
     the  option  be  exercisable  after  the date on  which  the  option  would
     otherwise  expire  if the  Employee  had  continued  in the  employ  of the
     Company.



                                       54
<PAGE>




The  Employee  shall not be  required  to  mitigate  damages  by  seeking  other
employment or otherwise.  Except as specifically provided above with the respect
to the  Employee's  becoming  an  employee of another  employer,  the  Company's
obligations  under this paragraph I shall not be reduced in any way by reason of
any  compensation  received by the Employee  from sources other than the Company
after termination of the Employee's employment with the Company.
         

     Notwithstanding  any  provision  in this  Agreement  to the  contrary,  the
benefits under this paragraph I shall be in lieu of, and not in addition to, any
benefits to which the  Employee  might  otherwise  be  entitled  under any other
severance plan maintained by the Company.
         

     If the  Employee  is  employed  by the  Company  on the date of a Change in
Control  then,  with respect to any stock option  granted to the Employee by the
Company  prior to the Change in Control that is  outstanding  on the date of the
Change in Control:

(A)  If such option or any portion thereof is service-based  (as defined below),
     that option or portion  thereof shall be  exercisable on and after the date
     of the Change in Control.

(B)  If such  option or any  portion  thereof is  performance-based  (as defined
     below),  that option or portion thereof shall become  exercisable by reason
     of a  Change  in  Control  only if the  price  paid  for the  Stock  in the
     transaction  resulting in the Change in Control  (excluding  a  transaction
     described in paragraph 2(a)(iii)(C))




                                       55
<PAGE>

>


     is not less than the requisite  Stock Price_ required for vesting under the
     terms of the option  (provided  that, for purposes of determining the Stock
     Price paid in connection with the Change in Control,  the requirement  that
     the closing  price be achieved for five  consecutive  trading days shall be
     disregarded). (For purposes of the preceding sentence, the Stock Price paid
     in connection with the Change in Control shall take into account the amount
     of cash plus the  value of any  property  paid.)  If the  performance-based
     option or portion  thereof does not become  exercisable  upon the Change in
     Control,  then the  committee  of the  Board of  Directors  of the  Company
     responsible for  administering  the plan under which the option was granted
     shall,  to  the  extent  it  determines  equitable  to  correspond  to  the
     transaction  resulting in the Change in Control,  adjust the Stock Price to
     be  attained,  and the  identity  of the  company on which the Stock  Price
     determination is based.

Except  as  otherwise  provided  in the  foregoing  paragraphs  (A) and (B) with
respect to  exercisability  of options,  the options shall remain subject to the
expiration  provisions  and other terms of the option awards without regard such
paragraphs (A) and (B). The foregoing  paragraphs (A) and (B) shall not apply to
any stock option to the extent that the terms  governing  such option  expressly
reference  this  Agreement  and  expressly  provide that the  provisions of such
paragraphs  are  inapplicable.  For  purposes of this  paragraph 1, an option or
portion  thereof shall be treated as  "service-based"  if the vesting thereof is
not contingent on the achievement of a specified Stock Price; and an





                                       56
<PAGE>




option or portion thereof shall be treated as "performance-based" if the vesting
thereof is contingent on the achievement of a specified Stock Price.

     2. Definitions. 

(a) For purposes of this Agreement:

     (i) "Good Cause" shall mean:
                

          (A) the  Employee's  conviction  of any criminal  violation  involving
          dishonesty, fraud, or breach of trust.

          (B)  the  Employee's  willful  engagement  in  any  misconduct  in the
          performance  of  the  Employee's  duty  that  materially  injures  the
          Company.

          (C) the  Employee's  performance  of any act  which,  if  known to the
          shareholders or regulators of the Company or any of its  subsidiaries,
          would  materially and adversely  affect the business of the Company or
          any of its subsidiaries, or

          (D) the Employee's willful and substantial  nonperformance or assigned
          duties;  provided that such nonperformance has continued more than ten
          days after the Company has given written notice of such nonperformance
          and of its intention to terminate the Employee's employment because of
          such nonperformance.

     (ii) "Good Reason"  shall exist if,  without an Employees  express  written
consent, the Company shall:

          (A) reduce the salary of the Employee; or




                                       57
<PAGE>




          (B)  materially  reduce  the  amount  of paid  vacations  to which the
          Employee  is  entitled,   or  the  Employee's   fringe   benefits  and
          perquisites; or

          (C) cease to employ the Employee in the  position he held  immediately
          before the Change in Control or a comparable  position (provided that,
          for this  purpose,  a "comparable  position"  shall include any of the
          positions of chairman,  vice-chairman,  chief  executive  officer,  or
          president of the Company or of another  company or business  unit that
          is  comparable  to the size of the  Company  immediately  prior to the
          Change in Control); or

          (D)  change by 50 miles or more the  principal  location  in which the
          Employee is required to perform services without providing  reasonable
          relocation assistance.

     (iii)  "Change in Control"  shall be deemed to occur on the earliest of the
existence of one of the following  and the receipt of all  necessary  regulatory
approvals therefore:

          (A) The acquisition other than from the Company, by any entity, person
          or group  (including  all  Affiliates  or  Associates  of such entity,
          person or group) of beneficial  ownership,  as that term is defined in
          Rule 13d-3 under the Securities Exchange Act of 1934, of more than 20%
          of the outstanding  shares of capital stock of the Company entitled to
          vote  generally in the election of  directors,  but excluding for this
          purpose any such acquisition by the Company or any of its subsidiaries
          or any



                                       58
<PAGE>




          employee  benefit  plan  (or  related  trust)  or the  Company  or its
          subsidiaries, or any corporation with respect to which, following such
          acquisition,  more  than 50% of,  respectively,  the then  outstanding
          shares of common stock of such  corporation  and the  combined  voting
          power of the then  outstanding  voting  securities of such corporation
          entitled  to vote  generally  in the  election  of  directors  is then
          beneficially  owned,  directly or indirectly,  by all or substantially
          all of the  individuals  and entities who were the beneficial  owners,
          respectively, of the common stock and voting securities of the Company
          immediately  prior  to such  acquisition  in  substantially  the  same
          proportion as their ownership,  immediately prior to such acquisition,
          of the then  outstanding  shares of common stock of the Company or the
          combined voting power of the then outstanding voting securities of the
          Company  entitled to vote  generally in the election of directors,  as
          the case may be;

          (B) The effective time of a reorganization, merger or consolidation of
          the Company,  in each case, with respect to which all or substantially
          all of the individuals and entities who were the respective beneficial
          owners  of the  common  stock and  voting  securities  of the  Company
          immediately prior to such  reorganization,  merger or consolidation do
          not,   following  such   reorganization,   merger,   or  consolidation
          beneficially   own,   directly  and   indirectly   more  than  50%  of
          respectively, the then outstanding shares of




                                       59
<PAGE>




          common  stock or the  combined  voting  power of the then  outstanding
          voting  securities  entitled  to vote  generally  in the  election  of
          directors,  as the case may be, of the corporation resulting from such
          reorganization,  merger or consolidation, or of a complete liquidation
          or dissolution of the Company or of the sale or other disposition of a
          Substantial Portion of the Property of the Company; or

          (C)  The  election  to the  Board  of  Directors  of the  Company,  of
          directors  constituting  a majority of the number of the  directors in
          office  unless such  directors  were  recommended  for election by the
          existing Board of Directors.
        
     (iv) A "Termination  Event" means the date that the  Employee's  employment
with the Company terminates under one of the following circumstances:
         

          (A) The  Employee's  employment is  terminated by the Company  without
          Good Cause within two (2) years following a Change in Control.

          (B) The Employee  voluntarily  terminates  employment with Good Reason
          within two (2) years following a Change in Control.

          (C) The  Employee's  employment  is  terminated  prior to a Change  in
          Control at the request of a acquiror.

          (b) For purposes of the  foregoing,  (i)  "Affiliate"  or  "Associate"
          shall have the meaning  set forth in Rule l2b-2  under the  Securities
          Exchange Act of 1934, and (ii) "Substantial Portion of the Property of
          the



                                       60
<PAGE>




          Company"  shall me-an 80% of the aggregate book value of the assets of
          the Company and its Affiliates and Associates as set forth on the most
          recent balance sheet of the Company, prepared on a consolidated basis,
          but its regularly employed, independent,  certified public accountant.
          (c)  Notwithstanding  the foregoing,  a Change in Control shall not be
          deemed to occur for the Employee by virtue of any transaction in which
          such an Employee is a participant in a group  effecting an acquisition
          that constitutes a Change in Control if, after such  acquisition,  the
          Employee  holds an equity  interest  in the  entity  that has made the
          acquisition.

     3.  Litigation  Expenses.  The  Company  shall  pay  to  the  Employee  the
attorneys'  fees incurred by the Employee in connection  with any claim or legal
action or proceeding involving the Agreement, whether brought by the Employee or
by or on behalf of the  Employee or by another  party;  provided,  however,  the
Company  shall not be obligated to pay to the Employee  out-of-pocket  expenses,
including attorneys' fees, incurred by the Employee in any claim or legal action
or  proceeding  in which the  Employee is a party  adverse to the Company if the
Company prevails in such litigation.  The Company shall pay prejudgment interest
on any money  judgment  obtained by the  Employee,  calculated  at the published
prime interest rate charged by the Company's principal banking connection, as in
effect from time to time,  from the date that  payment(s) to the Employee should
have been made under the Agreement.




                                       61
<PAGE>




     4. Post-termination  Payment Obligations Absolute. The Company's obligation
to pay the Employee the amounts and to make the other arrangements  provided for
herein to be paid and made after  termination of the Employee's  employment with
the Company shall be absolute and unconditional and shall not be affected by any
circumstances,   including,  without  limitation,  any  set-off,   counterclaim,
recoupment,  defense  or other  right  that the  Company  may have  against  the
Employee  or anyone  else.  The Company  hereby  waives any  contract  formation
defenses  that it may have with  respect to the Employee  Retention  program and
this Agreement.

     5.  Withholding.  The Company  may  withhold  from any  payment  that it is
required to make under the Agreement  amounts  sufficient to satisfy  applicable
withholding requirements under any federal, state, or local law.

     6. Successors. The obligations of the Company provided for in the Agreement
shall be the  binding  legal  obligations  of any  successor  to the  Company by
purchase, merger,  consolidation,  or otherwise.  Rights under the Agreement may
not be  assigned  by the  Employee  during  the  Employee's  life,  and upon the
Employee's death will inure to the benefit of the Employee's heirs, legatees and
the legal representatives of the Employee's estate.

     7. Interpretation. The validity, interpretation, construction and
performance  of the  Agreement  shall be  governed  by the laws of the  State of
Illinois.  The invalidity of  unenforceability of any provision of the Agreement
shall not affect the validity or enforceability of any other provision.




                                       62
<PAGE>




     8. Amendment. This Agreement may be amended or cancelled only by the mutual
agreement of the parties in writing without the consent of any other person.  So
long as the Executive  lives, no person,  other than the parties  hereto,  shall
have any rights  under or  interest  in this  Agreement  or the  subject  matter
hereof.

     9. Tax Payments.  This paragraph 9 shall apply if all or any portion of the
payments  and  benefits  provided to an  Employee  under the  Agreement,  or any
benefit (including any plan adopted in the future),  would otherwise  constitute
"excess  parachute  payments" within the meaning of Section 280G of the Internal
Revenue  Code of 1986,  as amended  (the  "Code"),  that are  subject to the tax
imposed by Section  4999 of the Code (or  similar  tax and/or  assessment).  If,
after the application of such tax and/or assessment,  the amount of such payment
and benefits  would be less than if the payment and benefits had been reduced to
an amount that would result in there being no excess  parachute  payments,  then
such payments and benefits shall be so reduced (the minimum extent  necessary so
that no excess parachute payments result). If reduction is necessary  hereunder,
the Employee  shall elect which of the  payments and benefits  shall be reduced.
Determination of whether payments and benefits would constitute excess parachute
payments, and the amount of reduction so that no excess parachute payments shall
exist,  shall be made, at the Company's expense,  by the Independent  accounting
firm employed by the Company  immediately  prior to the occurrence of any change
of control of the Company which will result in the imposition of such tax.




                                       63
<PAGE>




     IN WITNESS WHEREOF, the Company and the Employee have executed the

Agreement on and as of the 13th day of August, 1998. This Agreement supersedes

and replaces any prior agreement between the Company and the undersigned,

regarding this subject.



                                                       ILLINOVA CORPORATION


                                                 By:____________________________
                              


                                                    ____________________________
                                                       CHARLES E. BAYLESS




                                       64
<PAGE>




Exhibit 10 - Material Contracts

     10f - Stock Option Agreement

                      NON-QUALIFIED STOCK OPTION AGREEMENT
                              ILLINOVA CORPORATION
                   1992 LONG-TERM INCENTIVE COMPENSATION PLAN

         THIS  AGREEMENT,  entered  into as of the 24th day of June,  1998  (the
"Grant Date"), by and between Illinova Corporation, an Illinois corporation (the
"Company") and Charles E. Bayless (the "Employee"),

                                WITNESSETH THAT:

         WHEREAS,  the Company maintains the Illinova Corporation 1992 Long-Term
Incentive Compensation Plan (the "Plan"), which is incorporated and forms a part
of this  Agreement,  for the  benefit of key  employees  of the  Company and its
Subsidiaries;

         WHEREAS,  to induce the Employee to accept  employment  by the Company,
the Company has agreed to grant to the  Employee  the option  described  in this
Agreement; and

         WHEREAS,  the  Employee  and the  Company  desire  to enter  into  this
Agreement reflecting the award of such option;

         NOW,  THEREFORE,  IT IS AGREED,  by and  between  the  Company  and the
Employee as follows:

                                   SECTION ONE
                                      GRANT

         Subject to the terms and conditions of the Plan and this Agreement, the
Employee is hereby  awarded an option to purchase  165,000  shares of Stock (the
"Option"). The Option is not intended, and shall not be treated, as an incentive
stock option (as that term is used in Section 422 of the Code).

                                   SECTION TWO
                                  OPTION PRICE

         The  option  price of each  share of stock  subject  to the  Option  is
$30.25.

                                  SECTION THREE
                            EXERCISE, EXPIRATION AND
                             CANCELLATION OF OPTION

         The option shall be exercisable by the Employee in accordance  with the
following schedule:




                                       65
<PAGE>




     ------------------------------------   ------------------------------------
       If the Employee is employed          The Option shall become exercisable
        through the following date:         with respect to the following number
                                              of shares on and after that date:
     ------------------------------------   ----------------------------------
      One-year anniversary of Grant Date                16,667 shares

     ------------------------------------   ----------------------------------
      Two-year anniversary of Grant Date                16,667 shares

     ------------------------------------   ----------------------------------
      Three-year anniversary of Grant Date              16,666 shares

     ------------------------------------   ----------------------------------
      The first date on which the Stock                 57,500 shares
           Price attains $35.00
     ------------------------------------   ----------------------------------
      The first date on which the Stock                 57,500 shares
           Price attains $40.00                         
     ------------------------------------   ----------------------------------


         If the Employee's employment by the Company continues through the 9-1/2
year  anniversary  of the Grant  Date,  then any  portion of the  Option  herein
granted  and  not  previously  exercisable  shall  become  exercisable  on  such
9-1/2-year  anniversary.  For purposes of this Section  Three,  a "Stock  Price"
amount  shall  be  deemed  to  have  been  attained  on  the  last  day  of  any
five-consecutive-trading-day  period for which quotations for Stock are included
in the New York Stock  Exchange  composite  transactions  published  in The Wall
Street  Journal,  if the closing  price as so reported  for a share of Stock for
each of those five days is not less than such Stock Price amount.

         The Option shall expire as to any  unexercised  portion on the earliest
of:

         (a)      the tenth anniversary of the date first above written;

         (b)      the first anniversary of the Employee's death;

         (c)      five years following the Employee's date of retirement; or

         (d)      the date of the Employee's  Termination;  provided that if the
                  Employee's  employment  ceases because of a  Termination,  any
                  exercise of the Option  occurring  on or after the  Employee's
                  date of Termination shall be void and shall be ineffective.

         For purposes of this  Agreement,  the  Employee's  "date of retirement"
shall be the date of Retirement,  Early  Retirement or Disability  Retirement as
those terms are defined in the Plan.



                                       66
<PAGE>




         If the Employee exercises the Option with respect to a portion, but not
all, of the shares of Stock subject  thereto,  the Option shall thereafter cease
to be exercisable with respect to the shares of Stock for which it was exercised
but,  subject to the terms and conditions of the Plan and this Agreement,  shall
continue to be  exercisable  with respect to the shares of Stock with respect to
which it was not exercised.

         If the  Employee's  Termination  occurs  prior to the date on which any
portion of the Option has become  exercisable,  that portion of the Option shall
be forfeited upon such Termination.  Notwithstanding the foregoing provisions of
this Agreement,  the Option shall not become  exercisable and shall be forfeited
if the  Participant  does not become an employee of the Company,  and the Option
shall be  forfeited  if the  Participant  becomes an employee of the Company but
voluntarily resigns within 30 days after his initial date of employment.

                                  SECTION FOUR
                               METHOD OF EXERCISE

         Subject to the terms and conditions of the Plan and this Agreement, the
Option may be exercised,  in whole or in part,  by filing a written  notice with
the Secretary of the Company at its corporate  headquarters prior to the date on
which the Option expires or is otherwise canceled. Such notice shall specify the
date as of which  the  exercise  is to occur  and the  number of shares of Stock
which  the  Employee  elects  to  purchase  and  shall be in such form and shall
contain such other  information  as the Secretary of the Company may  reasonably
require.  The election  shall be  accompanied by payment of the option price for
such shares of Stock  indicated by the  Employee's  election,  together with the
amount of any required  state,  federal or local  withholding  taxes  arising in
connection  with the purchase of such Stock.  Subject to the  provisions  of the
preceding  sentence and the terms of the Plan, payment shall be by cash or check
payable to the Company,  by delivery of shares of Stock having an aggregate Fair
Market Value  (determined as of the date of exercise) equal to the option price,
and if  elected  in  accordance  with this  Section  Four,  the  Employee's  tax
withholding  obligation  for the shares of Stock,  indicated  by the  Employee's
election, or a combination of both.

                                  SECTION FIVE
                                 TRANSFERABILITY

         The Option shall not be transferable by the Employee other than by will
or the laws of descent and distribution and, during the life of the Employee, is
exercisable only by the Employee or Employee's guardian or legal representative.



                                       67
<PAGE>



                                   SECTION SIX
                         NOTICE OF DISPOSITION OF SHARES

         The  Employee  agrees to notify the  Company  promptly  in the event of
disposal  of any  shares of Stock  acquired  upon the  exercise  of the  Option,
including a disposal by sale, exchange, gift or transfer of legal title.

                                  SECTION SEVEN
                                 ADMINISTRATION

         The authority to manage and control the operation and administration of
this Agreement  shall be vested in the Committee,  and the Committee  shall have
all powers with respect to this  Agreement that it has with respect to the Plan.
Any  interpretation  of this Agreement by the Committee and any decision made by
it with respect to the Agreement is final and binding on all persons.

                                  SECTION EIGHT
                                  PLAN GOVERNS

         Notwithstanding  anything in this Agreement to the contrary,  the terms
of this Agreement shall be subject to the terms of the Plan, a copy of which may
be obtained by the  Employee  from the office of the  Secretary  of the Company.
Unless the context  clearly  implies or indicates the contrary,  a word, term or
phrase used or defined in the Plan is similarly  used or defined for purposes of
this Agreement.

                                  SECTION NINE
                                    AMENDMENT

         This Agreement may be amended by written  agreement of the Employee and
the  Company,  acting  pursuant to  authority  from the  Committee,  without the
consent of any other person.

                                   SECTION TEN
                   CONTINUED EMPLOYMENT, RIGHTS AS SHAREHOLDER

         This Agreement  does not constitute a contract of employment,  and does
not  give  the  Employee  the  right  to be  employed  by  the  Company  or  its
Subsidiaries.  This  Agreement  does not confer on the  Employee any rights as a
shareholder of the Company prior to the date on which the Employee  fulfills all
conditions for receipt of Stock pursuant to this Agreement and the Plan.



                                       68
<PAGE>



                                 SECTION ELEVEN
                                  GOVERNING LAW

         This Agreement  shall be construed and  administered in accordance with
the laws of the State of Illinois, without regard to the principles of conflicts
of law.

         IN WITNESS  WHEREOF,  the  parties  have caused  this  Agreement  to be
executed as of the day and year first above written.


                                               ---------------------------------
                                                           Charles E. Bayless


                                               Illinova Corporation

                                               By:______________________________


ATTEST:

- - ----------------------------
Leah Manning Stetzner
Corporate Secretary

                                       69
<PAGE>

<TABLE> <S> <C>


<ARTICLE>                                           UT
<LEGEND>
     This schedule  contains summary  financial  information  extracted from the
balance  sheet,  income  statement,  and cash flow  statement of Illinois  Power
Company and is  qualified in its  entirety by  reference  to the balance  sheet,
income statement, and cash flow statement of Illinois Power Company.
</LEGEND>
<CIK>                         0000049816
<NAME>                        Illinois Power Co.
<SUBSIDIARY>
   <NUMBER>                   0
   <NAME>                     0
<MULTIPLIER>                                   1,000,000
<CURRENCY>                                     Default
       
<S>                             <C>
<PERIOD-TYPE>                   9-mos
<FISCAL-YEAR-END>                              Dec-31-1998
<PERIOD-START>                                 Jan-01-1998
<PERIOD-END>                                   Sep-30-1998
<EXCHANGE-RATE>                                1
<BOOK-VALUE>                                   Per-book
<TOTAL-NET-UTILITY-PLANT>                      4728
<OTHER-PROPERTY-AND-INVEST>                    5
<TOTAL-CURRENT-ASSETS>                         410
<TOTAL-DEFERRED-CHARGES>                       203
<OTHER-ASSETS>                                 0
<TOTAL-ASSETS>                                 5346
<COMMON>                                       1180
<CAPITAL-SURPLUS-PAID-IN>                      0
<RETAINED-EARNINGS>                            57
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 1237
                          197
                                    57
<LONG-TERM-DEBT-NET>                           1638
<SHORT-TERM-NOTES>                             131
<LONG-TERM-NOTES-PAYABLE>                      0
<COMMERCIAL-PAPER-OBLIGATIONS>                 126
<LONG-TERM-DEBT-CURRENT-PORT>                  84
                      0
<CAPITAL-LEASE-OBLIGATIONS>                    99
<LEASES-CURRENT>                               31
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 1746
<TOT-CAPITALIZATION-AND-LIAB>                  5346
<GROSS-OPERATING-REVENUE>                      1672
<INCOME-TAX-EXPENSE>                           5
<OTHER-OPERATING-EXPENSES>                     1548
<TOTAL-OPERATING-EXPENSES>                     1553
<OPERATING-INCOME-LOSS>                        119
<OTHER-INCOME-NET>                             4
<INCOME-BEFORE-INTEREST-EXPEN>                 123
<TOTAL-INTEREST-EXPENSE>                       98
<NET-INCOME>                                   25
                    15
<EARNINGS-AVAILABLE-FOR-COMM>                  10
<COMMON-STOCK-DIVIDENDS>                       65
<TOTAL-INTEREST-ON-BONDS>                      79
<CASH-FLOW-OPERATIONS>                         261
<EPS-PRIMARY>                                  0
<EPS-DILUTED>                                  0
        


</TABLE>


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