Exhibit 99(f)

SEMI-ANNUAL SERVICERS CERTIFICATE

ONCOR ELECTRIC DELIVERY TRANSITION
BOND COMPANY LLC,

$789,777,000 Transition Bonds, Series 2004-1

Oncor Electric Delivery Company, as Servicer

Pursuant to Section 4.01(c)(ii) of the Series 2004-1 Transition Property Servicing Agreement dated as of June 7, 2004 (the Agreement) between Oncor Electric Delivery Company, as
Servicer and Oncor Electric Delivery Transition Bond Company LLC, as Issuer, the Servicer does hereby certify as follows:

Capitalized terms used herein have the respective meanings as set forth in the Agreement. References herein to certain sections and
subsections are references to the respective sections of the Agreement.



|                    |  |                         
|------------------- |  | ------------------------
|Collection Periods: |  | May 2010 to October 2010
|Payment Date:       |  | November 15, 2010       
|Todays Date:       |  | November 9, 2010        



|      |  |                                                                                        |  |   |              | 
|----- |  | -------------------------------------------------------------------------------------- |  | - | ------------ | 
|1.    |  | COLLECTIONS ALLOCABLE AND AGGREGATE AMOUNTS AVAILABLE FOR THE CURRENT PAYMENT DATE:    |  |   |              | 
|      |  |                                                                                       
|i.    |  | Remittances for the May 2010 Series 2004.-1 Collection Period                          |  | $ | 7,359,887.40 | 
|ii.   |  | Remittances for the June 2010 Series 2004.-1 Collection Period                         |  | $ | 8,057,796.29 | 
|iii.  |  | Remittances for the July 2010 Series 2004.-1 Collection Period                         |  | $ | 7,870,182.99 | 
|iv.   |  | Remittances for the August 2010 Series 2004.-1 Collection Period                       |  | $ | 7,785,473.85 | 
|v.    |  | Remittances for the September 2010 Series 2004.-1 Collection Period                    |  | $ | 9,130,277.59 | 
|vi.   |  | Remittances for the October 2010 Series 2004.-1 Collection Period                      |  | $ | 8,528,516.46 | 
|vii.  |  | Remittances for the  Series 2004-1 Collection
Period after  (use 6 prior periods only) |  | $ |              | 
|viii. |  | Remittances for the  Series 2004-1 Collection
Period after  (use 6 prior periods only) |  | $ |              | 
|ix.   |  | Remittances for the  Series 2004-1 Collection
Period after  (use 6 prior periods only) |  | $ |              | 
|x.    |  | Remittances for the  Series 2004-1 Collection Period                                   |  | $ |              | 
|xi.   |  | Remittances for the  Series 2004-1 Collection Period                                   |  | $ |              | 
|xii.  |  | Investment Earnings on Series 2004-1 Collection Account:                               |  | $ | 0.00         | 
|xiii. |  | Investment Earnings on Series 2004-1 Capital Subaccount                                |  | $ | 49.24        | 
|xiv.  |  | Investment Earnings on Series 2004-1 Overcollateralization Subaccount                  |  | $ | 182.84       | 
|xv.   |  | Investment Earnings on Series 2004-1 Reserve Subaccount:                               |  | $ | 0.24         | 
|xvi.  |  | Investment Earnings on Series 2004-1 General Subaccount                                |  | $ | 5.07         | 



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|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|------ |  | -------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ---------------- | ------------- | -------------- | ------------------------- | --------------- | --- | ---------------- |  | - | -------------- |  |  | - | ------------ | 
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|xvii.  |  | Series 2004-1 General Subaccount Balance (sum of i through xvi above):                                                                                   |  |                  | $             | 48,732,371.97  |                          
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|       |  |                                                                                                                                                         
|xviii. |  | Series 2004-1 Reserve Subaccount Balance as of Prior Series 2004-1 Payment Date                                                                          |  |                  | $             | 2,460,365.05   |                          
|xix.   |  | Series 2004-1 Overcollateralization Subaccount Balance as of Prior Series 2004-1 Payment Date                                                            |  |                  | $             | 1,974,443.00   |                          
|xx.    |  | Series 2004-1 Capital Subaccount Balance as of Prior Series 2004-1 Payment Date*(difference from previous statement of $6.39 due to correcting interest) |  |                  | $             | 3,948,891.39   |                          
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|       |  |                                                                                                                                                         
|xxi.   |  | Series 2004-1 Collection Account Balance (sum of xvii. through xx above)                                                                                 |  |                  | $             | 57,116,071.41  |                          
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|       |  |                                                                                                                                                         
|2.     |  | OUTSTANDING AMOUNTS AS OF PRIOR SERIES 2004-1 PAYMENT DATE:                                                                                              |  |                  |               |                |                          
|       |  |                                                                                                                                                         
|i.     |  | Class A-1 Outstanding Amount                                                                                                                             |  |                  | $             | 0.00           |                          
|ii.    |  | Class A-2 Outstanding Amount                                                                                                                             |  |                  | $             | 167,403,310.00 |                          
|iii.   |  | Class A-3 Outstanding Amount                                                                                                                             |  |                  | $             | 289,777,000.00 |                          
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|iv.    |  |                                                                                                                                                          |  |                  |               |                |                          
|v.     |  | Aggregate Outstanding Amount of All Series 2004-1 Bonds                                                                                                  |  |                  | $             | 457,180,310.00 |                          
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|       |  |                                                                                                                                                         
|3.     |  | REQUIRED FUNDING/PAYMENTS AS OF CURRENT PAYMENT DATE:                                                                                                    |  |                  |               |                |                          
|       |  |                                                                                                                                                         
|       |  | SERIES 2004-1 PRINCIPAL                                                                                                                                  |  |                  | PRINCIPALDUE  |               
|i.     |  | Class A-1                                                                                                                                                |  |                  | $             | 0.00           |                          
|ii     |  | Class A-2                                                                                                                                                |  |                  | $             | 35,653,606.00  |                          
|iii.   |  | Class A-3                                                                                                                                                |  |                  | $             | 0.00           |                          
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|iv.    |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|v.     |  | For all Series 2004-1 Bonds                                                                                                                              |  |                  | $             | 35,653,606.00  |                          
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|       |  | SERIES 2004-1                                                                                                                                            |  | BONDINTERESTRATE |               |                | DAYS ININTERESTPERIOD (1) |                 |     | PRINCIPALBALANCE |  |   | INTERESTDUE    | 
|vi.    |  | Class A-1                                                                                                                                                |  |                  | 3.52          | %              |                           |                 | 180 |                  |  | $ | 0.00           |  |  | $ | 0.00         | 
|vii.   |  | Class A-2                                                                                                                                                |  |                  | 4.81          | %              |                           |                 | 180 |                  |  | $ | 167,403,310.00 |  |  | $ | 4,026,049.61 | 
|viii.  |  | Class A-3                                                                                                                                                |  |                  | 5.29          | %              |                           |                 | 180 |                  |  | $ | 289,777,000.00 |  |  | $ | 7,664,601.65 | 
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|ix.    |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|x.     |  | For All Series 2004-1 Bonds                                                                                                                              |  |                  | $             | 457,180,310.00 |                           |                 | $   | 11,690,651.26    | 
|       |  |                                                                                                                                                          |  |                  |               |                |                           |                 |     |                  |  |   |                |  |  |   |              | 
|       |  |                                                                                                                                                          | 
|       |  |                                                                                                                                                          |  |                  | REQUIREDLEVEL |                |                           | FUNDINGREQUIRED |    
|xi.    |  | Series 2004-1 Overcollateralization Subaccount                                                                                                           |  |                  | $             | 2,138,979.00   |                           |                 | $   | 164,536.00       | 
|xii.   |  | Series 2004-1 Capital Subaccount                                                                                                                         |  |                  | $             | 3,948,885.00   |                           |                 | $   | 0.00             | 



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|     |  |                                                                                        |  |   |               | 
|---- |  | -------------------------------------------------------------------------------------- |  | - | ------------- | 
|(1)  |  | 30/360 day basis for initial payment date; otherwise use one-half of annual rate.      |  |   |               | 
|     |  |                                                                                       
|4.   |  | ALLOCATION OF REMITTANCES AS OF CURRENT PAYMENT DATE PURSUANT TO §8.02(d) OF INDENTURE |  |   |               | 
|     |  |                                                                                       
|i.   |  | Trustee Fees and Expenses (subject to cap-see 8.02(e)(i) of the Indenture):            |  | $ | 0.00          | 
|ii.  |  | Indenture Manager Fees (subject to cap-see 8.02(e)(i) of the Indenture):               |  | $ | 0.00          | 
|iii. |  | Series 2004-1 Servicing Fee:                                                           |  | $ | 122,444.25    | 
|iv.  |  | Operating Expenses (subject to cap-see 8.02(e)(iii) of the Indenture):                 |  |   |               | 
|     |  | Trust Operating Expense:                                                               |  | $ | 0.00          | 
|     |  | Trust Accounting Expense:                                                              |  | $ | 0.00          | 
|     |  | Rating Agency Fees (reimburse Servicer):                                               |  | $ | 10,000.00     | 
|     |  | Administration Fee:                                                                    |  | $ | 0.00          | 
|     |  | Audit Fee (reimburse Administrator - Sec 3 of Agrmt)                                   |  | $ | 25,577.00     | 
|     |  |                                                                                        |  |   |               | 
|     |  |                                                                                       
|     |  | Total Fees and Expenses (I through iv.)                                                |  | $ | 158,021.25    | 
|     |  |                                                                                        |  |   |               | 
|     |  |                                                                                       
|v.   |  | Semi-Annual Interest -including any past-due for prior period(s)                       |  |   |               | 
|     |  |                                                                                       
|     |  | SERIES 2004-1                                                                          |  |   |              
|     |  | 1.        Class A-1 Interest Payment                                                   |  | $ | 0.00          | 
|     |  | 2.        Class A-2 Interest Payment                                                   |  | $ | 4,026,049.61  | 
|     |  | 3.        Class A-3 Interest Payment                                                   |  | $ | 7,664,601.65  | 
|     | 
|vi.  |  | Principal Due and Payable as a Result of Event of Default or on Final Maturity Date    | 
|     |  |                                                                                       
|     |  | SERIES 2004-1                                                                          |  |   |              
|     |  | 1.        Class A-1 Principal Payment                                                  |  | $ | 0.00          | 
|     |  | 2.        Class A-2 Principal Payment                                                  |  | $ | 0.00          | 
|     |  | 3.        Class A-3 Principal Payment                                                  |  | $ | 0.00          | 
|     |  |                                                                                       
|vii. |  | Semi-Annual Principal                                                                  |  |   |               | 
|     |  |                                                                                       
|     |  | SERIES 2004-1                                                                          |  |   |              
|     |  | 1.        Class A-1 Principal Payment                                                  |  | $ | 0.00          | 
|     |  | 2.        Class A-2 Principal Payment                                                  |  | $ | 35,653,606.00 | 
|     |  | 3.        Class A-3 Principal Payment                                                  |  | $ | 0.00          | 



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|      |  |                                                                                                                                                               |  |   |                | 
|----- |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | - | -------------- | 
|4.    |  | ALLOCATION OF REMITTANCES AS OF CURRENT PAYMENT DATE PURSUANT TO §8.02(d) OF INDENTURE (CONTINUED)                                                            | 
|      |  |                                                                                                                                                              
|viii. |  | Funding of Series 2004-1 Capital Subaccount (to required level)                                                                                               |  | $ | 0.00           | 
|ix.   |  | Funding of Series 2004-1 Overcollateralization Subaccount (to required level)                                                                                 |  | $ | 164,536.00     | 
|x.    |  | Investment Earnings on Series 2004-1 Capital Subaccount Released to Issuer                                                                                    |  | $ | 0.00           | 
|xi.   |  | Deposit to Series 2004-1 Reserve Subaccount                                                                                                                   |  | $ | 1,065,508.22   | 
|xii.  |  | Released to Issuer upon Retirement of all Bonds                                                                                                               |  | $ | 0.00           | 
|xiii. |  | AGGREGATE REMITTANCES AS OF CURRENT PAYMENT DATE                                                                                                              |  | $ | 48,732,322.73  | 
|      |  |                                                                                                                                                               |  |   |                | 
|      | 
|5.    |  | OUTSTANDING AMOUNT AND SERIES 2004-1 COLLECTION ACCOUNT BALANCE AS OF CURRENT PAYMENT DATE (AFTER GIVING EFFECT TO PAYMENTS TO BE MADE ON SUCH PAYMENT
DATE): | 
|      |  |                                                                                                                                                              
|      |  | SERIES 2004-1                                                                                                                                                 |  |   |               
|      |  |                                                                                                                                                              
|i.    |  | Class A-1 Outstanding Amount                                                                                                                                  |  | $ | 0.00           | 
|ii.   |  | Class A-2 Outstanding Amount                                                                                                                                  |  | $ | 131,749,704.00 | 
|iii.  |  | Class A-3 Outstanding Amount                                                                                                                                  |  | $ | 289,777,000.00 | 
|      |  |                                                                                                                                                               |  |   |                | 
|iv.   |  |                                                                                                                                                               |  |   |                | 
|v.    |  | AGGREGATE OUTSTANDING AMOUNT OF ALL SERIES 2004-1 BONDS                                                                                                       |  | $ | 421,526,704.00 | 
|      |  |                                                                                                                                                               |  |   |                | 
|      |  |                                                                                                                                                              
|vi.   |  | Series 2004-1 Reserve Subaccount Balance                                                                                                                      |  | $ | 3,525,873.27   | 
|vii.  |  | Series 2004-1 Overcollateralization Subaccount Balance                                                                                                        |  | $ | 2,138,979.00   | 
|viii. |  | Series 2004-1 Capital Subaccount Balance                                                                                                                      |  | $ | 3,948,940.63   | 
|      |  |                                                                                                                                                               |  |   |                | 
|ix.   |  | AGGREGATE SERIES 2004-1 COLLECTION ACCOUNT BALANCE                                                                                                            |  | $ | 9,613,792.90   | 
|      |  |                                                                                                                                                               |  |   |                | 
|      | 
|6.    |  | SUBACCOUNT WITHDRAWALS AS OF CURRENT PAYMENT DATE (IF APPLICABLE, PURSUANT TO SECTION 8.02(e) OF INDENTURE):                                                  | 
|      |  |                                                                                                                                                              
|i.    |  | Series 2004-1 Reserve Subaccount                                                                                                                              |  | $ | 0.00           | 
|ii.   |  | Series 2004-1 Overcollateralization Subaccount                                                                                                                |  | $ | 0.00           | 
|iii.  |  | Series 2004-1 Capital Subaccount                                                                                                                              |  | $ | 0.00           | 
|      |  |                                                                                                                                                               |  |   |                | 
|iv.   |  | TOTAL WITHDRAWALS                                                                                                                                             |  | $ | 0.00           | 
|      |  |                                                                                                                                                               |  |   |                | 



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|    |  |                                                                                    |  |                                                |  |   |      | 
|--- |  | ---------------------------------------------------------------------------------- |  | ---------------------------------------------- |  | - | ---- | 
|7.  |  | SHORTFALLS IN INTEREST AND PRINCIPAL PAYMENTS AS OF CURRENT PAYMENT DATE;          |  |                                                |  |  
|    |  |                                                                                    | 
|i.  |  |                                                                                    |  | Semi-annual Interest                           |  |   |      | 
|    |  |                                                                                   
|    |  | SERIES 2004-1                                                                      |  |                                                | 
|    |  | 1.                                                                                 |  | Class A-1 Interest Payment                     |  | $ | 0.00 | 
|    |  | 2.                                                                                 |  | Class A-2 Interest Payment                     |  | $ | 0.00 | 
|    |  | 3.                                                                                 |  | Class A-3 Interest Payment                     |  | $ | 0.00 | 
|ii. |  |                                                                                    |  | Semi-annual Principal                          |  |   |      | 
|    |  |                                                                                   
|    |  | SERIES 2004-1                                                                      |  |                                                | 
|    |  | 1.                                                                                 |  | Class A-1 Principal Payment                    |  | $ | 0.00 | 
|    |  | 2.                                                                                 |  | Class A-2 Principal Payment                    |  | $ | 0.00 | 
|    |  | 3.                                                                                 |  | Class A-3 Principal Payment                    |  | $ | 0.00 | 
|    | 
|8.  |  | SHORTFALLS IN REQUIRED SERIES 2004-1 SUBACCOUNT LEVELS AS OF CURRENT PAYMENT DATE: | 
|i.  |  |                                                                                    |  | Series 2004-1 Overcollateralization Subaccount |  | $ | 0.00 | 
|ii. |  |                                                                                    |  | Series 2004-1 Capital Subaccount               |  | $ | 0.00 | 

IN WITNESS HEREOF,
the undersigned has duly executed and delivered this Semi-Annual Servicers Certificate this 9th day of November, 2010.



ONCOR ELECTRIC DELIVERY COMPANY,as Servicer,By

/s/ John M. CaseyName:

John M. CaseyTitle:

Treasurer




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