Exhibit 10.92.1

AMENDMENT ONE

AMENDMENT ONE (this "Amendment") dated as of November 14, 2001 by and among EDISON MISSION ENERGY (the "Borrower"), CITICORP USA, INC., as
Administrative Agent (in such capacity, the "Administrative Agent") and each of certain commercial lending institutions party hereto (the "Lenders").

WHEREAS,
the Borrower, the Administrative Agent and certain of the Lenders entered into a Credit Agreement dated as of September 13, 2001 (the "Credit Agreement");

WHEREAS,
the Borrower has requested that the Lenders adjust the applicable fees for Letters of Credit, to reflect the original understanding between the parties regarding the applicable
fees.

ACCORDINGLY,
the parties hereto agree as follows:

Section 1.    DEFINITIONS.    Except
as otherwise defined in this Amendment, terms defined in the Credit Agreement are used herein (and in the introductions
and recitals hereto) as defined therein.

Section 2.    AMENDMENT
TO THE CREDIT AGREEMENT.    Subject to the satisfaction of the conditions precedent specified in Section 3 below, but effective
as of the Amendment Effective Date, the Credit Agreement shall be amended by deleting Annex I and Annex II to the Credit. Agreement and by replacing them in their entirety with Exhibit A and
Exhibit B hereto.

Section 3.    CONDITIONS
PRECEDENT.    This Amendment shall not become effective until the date (the "Amendment Effective Date") on which each of the following
conditions precedent have been satisfied or will be satisfied contemporaneously with this Amendment becoming effective:



Section 4.    MISCELLANEOUS.    Except
as expressly amended hereby, all of the terms and provisions of the Credit Agreement are and shall remain in full force
and effect. This Amendment may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument and any of the parties hereto may execute this
Amendment by signing any such counterpart. This Amendment shall be governed by, and construed in accordance with, the law of the State of New York.

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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed and delivered by their respective officers thereunto duly
authorized.

| |  | EDISON MISSION ENERGY                                
| |  | -----------------------------------------------------
| |  | By:                                                  
| |  | CITICORP USA, INC.,as Administrative Agent and Lender
| |  | By:                                                  
| |  | CITIBANK, N.A.,as Issuing Lender                     
| |  | By:                                                  
| |  | CREDIT SUISSE FIRST BOSTON,as Lender                 
| |  | By:                                                  
| |  | By:                                                  
| |  | SOCIETE GENERALE,as Lender                           
| |  | By:                                                  
| |  | BANK OF MONTREALas Lender                            
| |  | By:                                                  

S-1

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| |  | TORONTO DOMINION (TEXAS), INC.as Lender                                                      
| |  | ---------------------------------------------------------------------------------------------
| |  | By:                                                                                          
| |  | WESTDEUTSCHE LANDESBANK
    GIROZENTRALE, New York Branchas Documentation Agent and as Lender
| |  | By:                                                                                          
| |  | By:                                                                                          
| |  | ABN AMRO BANK N.V.,as Lender                                                                 
| |  | By:                                                                                          
| |  | By:                                                                                          
| |  | BARCLAYS BANK PLC,as Lender                                                                  
| |  | By:                                                                                          
| |  | BANK OF AMERICA, N.A.as Lender                                                               
| |  | By:                                                                                          

S-2

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| |  | AUSTRALIA AND NEW ZEALAND BANKING
    GROUP LIMITED,as Lender
| |  | -------------------------------------------------------------
| |  | By:                                                          
| |  | BANK OF NOVA SCOTIA,as Lender                                
| |  | By:                                                          
| |  | BAYERISCHE LANDESBANK
    GIROZENTRALE,as Lender             
| |  | By:                                                          
| |  | By:                                                          
| |  | THE CHASE MANHATTAN BANK,as Lender                           
| |  | By:                                                          
| |  | THE INDUSTRIAL BANK OF JAPAN, LIMITED,as Lender              
| |  | By:                                                          

S-3

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| |  | ING (U.S.) CAPITAL LLC,as Lender        
| |  | ----------------------------------------
| |  | By:                                     
| |  | By:                                     
| |  | KBC BANK, N.V.,as Lender                
| |  | By:                                     
| |  | By:                                     
| |  | UNION BANK OF CALIFORNIA, N.A.,as Lender
| |  | By:                                     
| |  | UBS AG, Stamford Branch,as Lender       
| |  | By:                                     
| |  | By:                                     

S-4

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EXHIBIT A
ANNEX I

EDISON MISSION ENERGY
Tranche A Pricing Grid

|BASIS FOR PRICING                |  | LEVEL 1
LT Senior Unsecured Debt Rated at Least BBB by S&PAndBaa2 by Moody's. |  | LEVEL 2
LT Senior Unsecured Debt Rated Less Than Level 1 But at Least BBB- by S&PAndBaa3 by Moody's. |  | LEVEL 3
LT Senior Unsecured Debt Rated Less Than Level 2 But at Least BB+ by S&PAndBa1 by Moody's. |  | LEVEL 4
LT Senior Unsecured Debt Rated Lower Than Level 3.
|-------------------------------- |  | ----------------------------------------------------------------------------- |  | ---------------------------------------------------------------------------------------------------- |  | -------------------------------------------------------------------------------------------------- |  | ----------------------------------------------------------
|Base Rate Applicable Margin      |  | 75.00 bps                                                                     |  | 137.50 bps                                                                                           |  | 200.00 bps                                                                                         |  | 262.50 bps                                                
|Facility Fee(1)                  |  | 50.00 bps                                                                     |  | 62.50 bps                                                                                            |  | 75.00 bps                                                                                          |  | 87.50 bps                                                 
|LIBO Applicable Margin           |  | 175.00 bps                                                                    |  | 237.50 bps                                                                                           |  | 300.00 bps                                                                                         |  | 362.50 bps                                                
|Drawn Cost(2)                    |  | LIBOR +    225.00 bps
Base Rate + 125.00 bps                                  |  | LIBOR +    300.00 bps
Base Rate + 200.00 bps                                                         |  | LIBOR +    375.00 bps
Base Rate + 275.00 bps                                                       |  | LIBOR +    450.00 bps
Base Rate + 350.00 bps              
|Financial Letter of Credit Fee   |  | 175.00 bps                                                                    |  | 237.50 bps                                                                                           |  | 300.00 bps                                                                                         |  | 362.50 bps                                                
|Performance Letter of Credit Fee |  | 62.50 bps                                                                     |  | 87.50 bps                                                                                            |  | 112.50 bps                                                                                         |  | 137.50 bps                                                

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EXHIBIT B
ANNEX II

EDISON MISSION ENERGYTranche B Pricing Grid

|BASIS FOR PRICING                |  | LEVEL 1
LT Senior Unsecured Debt Rated at Least BBB by S&PAndBaa2 by Moody's. |  | LEVEL 2
LT Senior Unsecured Debt Rated Less Than Level 1 But at Least BBB- by S&PAndBaa3 by Moody's. |  | LEVEL 3
LT Senior Unsecured Debt Rated Less Than Level 2 But at Least BB+ by S&PAndBa1 by Moody's. |  | LEVEL 4
LT Senior Unsecured Debt Rated Lower Than Level 3.
|-------------------------------- |  | ----------------------------------------------------------------------------- |  | ---------------------------------------------------------------------------------------------------- |  | -------------------------------------------------------------------------------------------------- |  | ----------------------------------------------------------
|Base Rate Applicable Margin      |  | 62.50 bps                                                                     |  | 125.00 bps                                                                                           |  | 187.50 bps                                                                                         |  | 250.00 bps                                                
|Facility Fee(1)                  |  | 62.50 bps                                                                     |  | 75.00 bps                                                                                            |  | 87.50 bps                                                                                          |  | 100.00 bps                                                
|LIBO Applicable Margin           |  | 162.50 bps                                                                    |  | 225.00 bps                                                                                           |  | 287.50 bps                                                                                         |  | 350.00 bps                                                
|Drawn Cost(2)                    |  | LIBOR +    225.00 bps
Base Rate + 125.00 bps                                  |  | LIBOR +    300.00 bps
Base Rate + 200.00 bps                                                         |  | LIBOR +    375.00 bps
Base Rate + 275.00 bps                                                       |  | LIBOR +    450.00 bps
Base Rate + 350.00 bps              
|Financial Letter of Credit Fee   |  | 162.50 bps                                                                    |  | 225.00 bps                                                                                           |  | 287.50 bps                                                                                         |  | 350.00 bps                                                
|Performance Letter of Credit Fee |  | 50.00 bps                                                                     |  | 75.00 bps                                                                                            |  | 100.00 bps                                                                                         |  | 125.00 bps                                                

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