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 2010



|                            |  |                                                           |                 |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|--------------------------- |  | --------------------------------------------------------- | --------------- |  | --------------------------------------- | - | ------------ | ------------------------------------------------------ |  | - | --------------------------------------------------------- |  |  | - | ------------ | 
|Customer Class              |  | a. Series 2003-1TransitionCharges inEffectAugust 27, 2010 |                 |  | b. Series 2003-1TransitionChargesBilled |   |              | c. ActualSeries
2003-1TransitionChargePaymentsReceived |  |   | d. Series
2003-1TransitionChargeRemittancesMade toTrustee | 
|Residential Service         |  | $                                                         | 0.000630 / kWh  |  |                                         | $ | 1,782,387.93 |                                                        |  | $ | 1,618,877.92                                              |  |  | $ | 1,618,877.92 | 
|General Service Secondary   |  |                                                           |                 |  |                                         | $ | 2,130,736.73 |                                                        |  | $ | 2,581,595.28                                              |  |  | $ | 2,581,595.28 | 
|Non-demand                  |  | $                                                         | 0.000172 / kWh  |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|Demand                      |  | $                                                         | 0.188 / kW      |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|General Service Primary     |  |                                                           |                 |  |                                         | $ | 262,142.45   |                                                        |  | $ | 299,607.06                                                |  |  | $ | 299,607.06   | 
|Non-demand                  |  | ($                                                        | 0.000201) / kWh |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|Demand                      |  | $                                                         | 0.180 / kW      |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|High Voltage Service        |  | $                                                         | 0.141 / kW      |  |                                         | $ | 149,551.63   |                                                        |  | $ | 172,400.42                                                |  |  | $ | 172,400.42   | 
|Lighting Service            |  | $                                                         | 0.000876 / kWh  |  |                                         | $ | 34,379.14    |                                                        |  | $ | 45,134.56                                                 |  |  | $ | 45,134.56    | 
|Instantaneous Interruptible |  | $                                                         | 0.106 / kW      |  |                                         | $ | 95,955.16    |                                                        |  | $ | 128,603.20                                                |  |  | $ | 128,603.20   | 
|Noticed Interruptible       |  | $                                                         | 0.195 / kW      |  |                                         | $ | 139,899.35   |                                                        |  | $ | 175,652.39                                                |  |  | $ | 175,652.39   | 
|                            |  |                                                           |                 |  |                                         |   |              |                                                        |  |   |                                                           |  |  |   |              | 
|Total                       |  |                                                           |                 |  |                                         | $ | 4,595,052.39 |                                                        |  | $ | 5,021,870.83                                              |  |  | $ | 5,021,870.83 | 



---

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 7th day of January 2011.



ONCOR ELECTRIC DELIVERY COMPANY LLC,as ServicerBy:

/s/ John M. CaseyName:

John M. CaseyTitle:

Vice President and Treasurer