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Mission Energy Holding 8K on Earnings Release</TITLE>
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                                                   UNITED STATES
                                        SECURITIES AND EXCHANGE COMMISSION
                                              Washington, D.C. 20549



                                                     FORM 8-K



                                                  CURRENT REPORT



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



                         Date of Report (Date of earliest event reported): August 5, 2003



                                          MISSION ENERGY HOLDING COMPANY
                              (Exact name of registrant as specified in its charter)



                  DELAWARE                            333-68632                             95-4867576
     (State or principal jurisdiction of          (Commission file                       (I.R.S. employer
       incorporation or organization)                  number)                          identification no.)



                                         2600 Michelson Drive, Suite 1700
                                             Irvine, California 92612
                           (Address of principal executive offices, including zip code)

                                                   949-852-3576
                               (Registrant's telephone number, including area code)


===================================================================================================================




<PAGE>



Items 1 through 11 are not included because they are inapplicable.

         <i>This current report includes forward-looking statements. Mission Energy Holding Company has based these
forward-looking statements on its current expectations and projections about future events based upon knowledge
of facts as of the date of this current report and its assumptions about future events. These forward-looking
statements are subject to various risks and uncertainties that may be outside Mission Energy Holding Company's
control. Mission Energy Holding Company has no obligation to publicly update or revise any forward-looking
statements, whether as a result of new information, future events or otherwise.</i>

<b>Item 12.  Results of Operations and Financial Condition.</b>

         On August 5, 2003, Edison International, the ultimate parent company of Mission Energy Holding Company,
issued press releases that included information about Mission Energy Holding Company's (parent company only) and
Edison Mission Energy's (consolidated) financial results for the second quarter of 2003.  Copies of the press
releases are attached as Exhibits 99.1 and 99.2. The information furnished in this Item 12, Exhibit 99.1 and
Exhibit 99.2 shall not be deemed to be "filed" for purposes of the Securities Exchange Act of 1934, nor shall it
be deemed incorporated by reference in any filing under the Securities Act of 1933.

         Included in the results of Mission Energy Holding's subsidiary, Edison Mission Energy, during the second
quarter of 2003 is an impairment charge of $150 million, after tax, related to eight small peaking plants owned
by Edison Mission Energy's indirect subsidiary, Midwest Generation, LLC, in Illinois.  The impairment charge
during the second quarter of 2003 will result from a recently revised long-term outlook for capacity revenues
from eight small peaking plants in Illinois. The lower capacity revenue outlook is the result of a number of
factors, including higher long-term natural gas prices and the current generation overcapacity in the MAIN region
market.  The book value of these assets will be written down from $286 million to an estimated fair market value
of $41 million.

         In addition to the impairment charge related to the small peaking plants, Midwest Generation will also
report an impairment charge of $475 million, after tax, related to the 2,698 MW gas-fired Collins Station when it
files its second quarter report on Form 10-Q prior to August 14, 2003.  The impairment charge will result from a
write-down of the book value of capitalized assets related to the Collins Station from $858 million to an
estimated fair market value of $78 million.  The impairment charge by Midwest Generation is not reflected in the
operating results of Edison Mission Energy, Mission Energy Holding Company or Edison International because the
lease related to the Collins Station is treated in their financial statements as an operating lease and not as an
asset and, therefore, is not subject to impairment for accounting purposes. Neither of the impairment charges
triggers any defaults or prepayment obligations under the indebtedness of Midwest Generation or its affiliates,
including Edison Mission Energy and Mission Energy Holding.


Page 2



                                                     <b>SIGNATURE</b>

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.


                                                                  <b>Mission Energy Holding Company</b>
                                                                         (Registrant)



Date:                  August 5, 2003                                       /s/ Kevin M. Smith
            --------------------------------------    ----------------------------------------------------------------
                                                                              KEVIN M. SMITH
                                                             Senior Vice President and Chief Financial Officer


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Mission Energy Holding 8K on Earnings Release
===================================================================================================================
                                                   UNITED STATES
                                        SECURITIES AND EXCHANGE COMMISSION
                                              Washington, D.C. 20549

                                                     FORM 8-K

                                                  CURRENT REPORT

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

                         Date of Report (Date of earliest event reported): August 5, 2003

                                          MISSION ENERGY HOLDING COMPANY
                              (Exact name of registrant as specified in its charter)

                  DELAWARE                            333-68632                             95-4867576
     (State or principal jurisdiction of          (Commission file                       (I.R.S. employer
       incorporation or organization)                  number)                          identification no.)

                                         2600 Michelson Drive, Suite 1700
                                             Irvine, California 92612
                           (Address of principal executive offices, including zip code)

                                                   949-852-3576
                               (Registrant's telephone number, including area code)

===================================================================================================================
Items 1 through 11 are not included because they are inapplicable.
This current report includes forward-looking statements. Mission Energy Holding Company has based these
forward-looking statements on its current expectations and projections about future events based upon knowledge
of facts as of the date of this current report and its assumptions about future events. These forward-looking
statements are subject to various risks and uncertainties that may be outside Mission Energy Holding Company's
control. Mission Energy Holding Company has no obligation to publicly update or revise any forward-looking
statements, whether as a result of new information, future events or otherwise.
Item 12.  Results of Operations and Financial Condition.
On August 5, 2003, Edison International, the ultimate parent company of Mission Energy Holding Company,
issued press releases that included information about Mission Energy Holding Company's (parent company only) and
Edison Mission Energy's (consolidated) financial results for the second quarter of 2003.  Copies of the press
releases are attached as Exhibits 99.1 and 99.2. The information furnished in this Item 12, Exhibit 99.1 and
Exhibit 99.2 shall not be deemed to be "filed" for purposes of the Securities Exchange Act of 1934, nor shall it
be deemed incorporated by reference in any filing under the Securities Act of 1933.

         Included in the results of Mission Energy Holding's subsidiary, Edison Mission Energy, during the second
quarter of 2003 is an impairment charge of $150 million, after tax, related to eight small peaking plants owned
by Edison Mission Energy's indirect subsidiary, Midwest Generation, LLC, in Illinois.  The impairment charge
during the second quarter of 2003 will result from a recently revised long-term outlook for capacity revenues
from eight small peaking plants in Illinois. The lower capacity revenue outlook is the result of a number of
factors, including higher long-term natural gas prices and the current generation overcapacity in the MAIN region
market.  The book value of these assets will be written down from $286 million to an estimated fair market value
of $41 million.

         In addition to the impairment charge related to the small peaking plants, Midwest Generation will also
report an impairment charge of $475 million, after tax, related to the 2,698 MW gas-fired Collins Station when it
files its second quarter report on Form 10-Q prior to August 14, 2003.  The impairment charge will result from a
write-down of the book value of capitalized assets related to the Collins Station from $858 million to an
estimated fair market value of $78 million.  The impairment charge by Midwest Generation is not reflected in the
operating results of Edison Mission Energy, Mission Energy Holding Company or Edison International because the
lease related to the Collins Station is treated in their financial statements as an operating lease and not as an
asset and, therefore, is not subject to impairment for accounting purposes. Neither of the impairment charges
triggers any defaults or prepayment obligations under the indebtedness of Midwest Generation or its affiliates,
including Edison Mission Energy and Mission Energy Holding.

Page 2
SIGNATURE
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.
Mission Energy Holding Company
(Registrant)

Date:                  August 5, 2003                                       /s/ Kevin M. Smith
            --------------------------------------    ----------------------------------------------------------------
                                                                              KEVIN M. SMITH
                                                             Senior Vice President and Chief Financial Officer