**Exhibit 31.2**

 

**CERTIFICATION**

 

I,Kevin M. Smith, certify that:

 

1.               I have reviewed the annual report on Form10-K of Mission Energy Holding Company, as amended by this Amendment No. 1on Form 10-K/A (the “annual report”);

 

2.               Based on my knowledge, this annual reportdoes not contain any untrue statement of a material fact or omit to state amaterial fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this annual report;

 

3.               Based on my knowledge, the financialstatements, and other financial information included in this annual report,fairly present in all material respects the financial condition, results ofoperations and cash flows of the registrant as of, and for, the periodspresented in this annual report;

 

4.               The registrant’s other certifying officersand I are responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for theregistrant and have:

 

(a)          Designedsuch disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this annual report is being prepared;

 

(b)         Evaluatedthe effectiveness of the registrant’s disclosure controls and procedures andpresented in this annual report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisannual report based on such evaluation; and

 

(c)          Disclosedin this annual report any change in the registrant’s internal control overfinancial reporting that occurred during the registrant’s most recent fiscalquarter (the registrant’s fourth fiscal quarter in the case of an annualreport) that has materially affected, or is reasonably likely to materiallyaffect, the registrant’s internal control over financial reporting; and

 

5.               The registrant’s other certifying officersand I have disclosed, based on our most recent evaluation of internal controlover financial reporting, to the registrant’s auditors and the audit committeeof registrant’s board of directors (or persons performing the equivalentfunctions):

 

(a)          Allsignificant deficiencies and material weaknesses in the design or operation ofinternal controls over financial reporting which are reasonably likely toadversely affect the registrant’s ability to record, process, summarize andreport financial information; and

 

(b)         Anyfraud, whether or not material, that involves management or other employees whohave a significant role in the registrant’s internal control over financialreporting.

 

 
| Date:  | June  23, 2004 |   | /s/ Kevin M. Smith                                                 |
|--------|----------------|--------|--------------------------------------------------------------------|
|   |           |   | Kevin M. Smith*Senior Vice President and  Chief Financial Officer* |

 

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