Exhibit 99.1

**Monthly Servicer Certificate**

 

Pursuant to Section 4.01(d)(ii) of the Transition Property Servicing Agreement, dated as of March 1, 2005 (the "Agreement"), between Boston Edison Company, as servicer (the "Servicer") and BEC Funding II, LLC, the Servicer does herebycertify as follows:

 

Capitalized terms used herein have their respective meanings as set forth in the Agreement.

 
| For the Monthly Period:   March 2005 |   |   |   |
|-----------------------------------------------------|--------|--------|--------|

 
| 1)       |    | Billings:                                        |                                                                                                              |   |   |
|--------------------|--------------|--------------------------------------------------|-------------------------------------------------------------------------------------------------------------------|--------|--------|
|               |         | a)                                     | Monthly kWh Consumption:                                                                                          |   |   | 1,423,858,059 |
|               |         | b)                                               | Applicable RTC Charge:                                                                                            |   | $      | 0.003256 |
|               |         | c)                                               | Total RTC Charge Amount Billed (Less expected charge-offs)    this Month:                          |   | $      | 4,609,058.11 |
|               |         | d)                                               | Cumulative RTC Charge Amount Billed (less expected charge-   offs) this Remittance Period:         |   | $      | 4,609,058.11 |
|               |         |                                             |                                                                                                              |   |   |   |
| 2)                 |         | Remittances:                                     |                                                                                                              |   |   |
|               |         | a)                                               | Total Amount Remitted this Month:                                                                                 |   | $      | 0.00 |
|               |         | b)                                               | Cumulative Amount Remitted this Remittance Period:                                                                |   | $      | 0.00 |
|               |         |                                             |                                                                                                              |   |   |   |
| 3)                 |         | Draws on Subaccounts:                            |                                                                                                              |   |   |
|               |         | a)                                               | Reserve Subaccount Draws this Month:                                                                              |   | $      | 0.00 |
|               |         | b)                                               | Cumulative Reserve Subaccount Draw Account this    Remittance Period (net of funding):             |   | $      | 0.00 |
|               |         | c)                                               | OvercollateralizationSubaccount Draw Amount this Month:                                                           |   | $      | 0.00 |
|               |         | d)                                               | Cumulative Overcollateralization Subaccount Draw Amount    the Remittance Period (net of funding): |   | $      | 0.00 |
|               |         | e)                                               | Capital Subaccount Draw Amount this Month:                                                                        |   | $      | 0.00 |
|               |         | f)                                               | Cumulative Capital Subaccount Draw Amount this Remittance    Period (net of funding):              |   | $      | 0.00 |
|               |         |                                             |                                                                                                              |   |   |
|     |    | Executed as of   5th day of April 2005 |                                                                                                              |   |   |

 
|          |     | BOSTON EDISON COMPANY                                                                                                                                                     |   |   |   |
|--------------------|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------|--------|
|     |     | as Servicer

                                                                                                                                                        |   |   |   |
|     |     | By:  /s/ EMILIE O'NEIL                       |   |   |   |
|     |     | Name: Emilie O'Neil                                                                                                                                                  |   |   |   |
|     |     | Title:   Director of Corporate Finance and Cash Management                                                                                                 |