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 2007



|                            |  |                                             |                |                                         |   |                                                        |  |                                                           |              |  |   |             
|--------------------------- |  | ------------------------------------------- | -------------- | --------------------------------------- | - | ------------------------------------------------------ |  | --------------------------------------------------------- | ------------ |  | - | ------------
|Customer Class              |  | a. Series 2003-1Transition Chargesin Effect |                | b. Series 2003-1TransitionChargesBilled |   | c. ActualSeries
2003-1TransitionChargePaymentsReceived |  | d. Series 2003-1TransitionChargeRemittancesMade
toTrustee
|Residential Service         |  | $                                           | 0.000653 / kWh |                                         | $ | 1,764,842.19                                           |  | $                                                         | 1,855,143.00 |  | $ | 1,855,143.00
|General Service Secondary   |  |                                             |                |                                         | $ | 1,967,095.83                                           |  | $                                                         | 2,316,495.34 |  | $ | 2,316,495.34
|Non-demand                  |  | $                                           | 0.000295 / kWh |                                         |   |                                                        |  |                                                           |              |  |   |             
|Demand                      |  | $                                           | 0.167 / kW     |                                         |   |                                                        |  |                                                           |              |  |   |             
|General Service Primary     |  |                                             |                |                                         | $ | 222,688.75                                             |  | $                                                         | 259,845.91   |  | $ | 259,845.91  
|Non-demand                  |  | $                                           | 0.000205 / kWh |                                         |   |                                                        |  |                                                           |              |  |   |             
|Demand                      |  | $                                           | 0.150 / kW     |                                         |   |                                                        |  |                                                           |              |  |   |             
|High Voltage Service        |  | $                                           | 0.083 / kW     |                                         | $ | 152,810.70                                             |  | $                                                         | 150,816.88   |  | $ | 150,816.88  
|Lighting Service            |  | $                                           | 0.000761 / kWh |                                         | $ | 31,701.07                                              |  | $                                                         | 38,309.12    |  | $ | 38,309.12   
|Instantaneous Interruptible |  | $                                           | 0.091 / kW     |                                         | $ | 87,952.01                                              |  | $                                                         | 102,261.05   |  | $ | 102,261.05  
|Noticed Interruptible       |  | $                                           | 0.148 / kW     |                                         | $ | 125,844.75                                             |  | $                                                         | 135,175.06   |  | $ | 135,175.06  
|                            |  |                                             |                |                                         |   |                                                        |  |                                                           |              |  |   |             
|Total                       |  |                                             |                |                                         | $ | 4,352,935.30                                           |  | $                                                         | 4,858,046.36 |  | $ | 4,858,046.36



---

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 8thday of January, 2008.



ONCOR ELECTRIC DELIVERY COMPANY LLC, as
ServicerBy:

/s/ John M. CaseyName:

John M. CaseyTitle:

Treasurer