Exhibit 99(a)(6)

MONTHLY SERVICERS CERTIFICATE

(TO BE DELIVERED
EACH MONTH PURSUANT TO SECTION 3.01(b)(i)

OF THE SERIES 2003-1 TRANSITION PROPERTY SERVICING AGREEMENT)

ONCOR ELECTRIC DELIVERY TRANSITION BOND COMPANY LLC,

Series 2003-1 Bonds

Oncor Electric Delivery Company LLC, as Servicer

Pursuant to the Series 2003-1 Transition Property Servicing Agreement dated as of August 21, 2003 (the Series 2003-1
Transition Property Servicing Agreement) between Oncor Electric Delivery Company LLC, as Servicer, and Oncor Electric Delivery Transition Bond Company LLC, as Issuer, the Servicer does hereby certify as follows:

SERIES 2003-1 COLLECTION PERIOD: December 2009



|                            |  |                                                            |               |                                         |   |                                                        |  |                                                           |              |  |   |             
|--------------------------- |  | ---------------------------------------------------------- | ------------- | --------------------------------------- | - | ------------------------------------------------------ |  | --------------------------------------------------------- | ------------ |  | - | ------------
|Customer Class              |  | a. Series 2003-1Transition
Chargesin EffectAugust 27, 2009 |               | b. Series 2003-1TransitionChargesBilled |   | c. ActualSeries
2003-1TransitionChargePaymentsReceived |  | d. Series 2003-1TransitionChargeRemittancesMade toTrustee
|                            |  |                                                            |               |                                        
|Residential Service         |  | $                                                          | 0.000552/ kWh |                                         | $ | 1,630,458.57                                           |  | $                                                         | 1,305,460.94 |  | $ | 1,305,460.94
|                            |  |                                                            |               |                                        
|General Service Secondary   |  |                                                            |               |                                         | $ | 2,108,465.08                                           |  | $                                                         | 2,314,206.85 |  | $ | 2,314,206.85
|                            |  |                                                            |               |                                        
|Non-demand                  |  | $                                                          | 0.001193/ kWh |                                         |   |                                                        |  |                                                           |              |  |   |             
|                            |  |                                                            |               |                                        
|Demand                      |  | $                                                          | 0.161/ kW     |                                         |   |                                                        |  |                                                           |              |  |   |             
|                            |  |                                                            |               |                                        
|General Service Primary     |  |                                                            |               |                                         | $ | 279,935.92                                             |  | $                                                         | 308,985.10   |  | $ | 308,985.10  
|                            |  |                                                            |               |                                        
|Non-demand                  |  | $                                                          | 0.001432/ kWh |                                         |   |                                                        |  |                                                           |              |  |   |             
|                            |  |                                                            |               |                                        
|Demand                      |  | $                                                          | 0.182/ kW     |                                         |   |                                                        |  |                                                           |              |  |   |             
|                            |  |                                                            |               |                                        
|High Voltage Service        |  | $                                                          | 0.069/ kW     |                                         | $ | 74,168.06                                              |  | $                                                         | 81,288.76    |  | $ | 81,288.76   
|                            |  |                                                            |               |                                        
|Lighting Service            |  | $                                                          | 0.000752/ kWh |                                         | $ | 30,853.29                                              |  | $                                                         | 20,176.18    |  | $ | 20,176.18   
|                            |  |                                                            |               |                                        
|Instantaneous Interruptible |  | $                                                          | 0.087/ kW     |                                         | $ | 76,992.97                                              |  | $                                                         | 81,253.42    |  | $ | 81,253.42   
|                            |  |                                                            |               |                                        
|Noticed Interruptible       |  | $                                                          | 0.138/ kW     |                                         | $ | 99,316.98                                              |  | $                                                         | 104,560.85   |  | $ | 104,560.85  
|                            |  |                                                            |               |                                         |   |                                                        |  |                                                           |              |  |   |             
|                            |  |                                                            |               |                                        
|Total                       |  |                                                            |               |                                         | $ | 4,300,190.87                                           |  | $                                                         | 4,215,932.10 |  | $ | 4,215,932.10



---

Capitalized terms used herein have their respective meanings set forth in the Series 2003-1
Transition Property Servicing Agreement.

In WITNESS HEREOF, the undersigned has duly executed and delivered this Monthly
Servicers Certificate this 8th day of January 2010.



ONCOR ELECTRIC DELIVERY COMPANY LLC,as ServicerBy:

/s/ John M. CaseyName:

John M. CaseyTitle:

Vice President and Treasurer