<PAGE>
                                                                   EXHIBIT 99.15



                         SEMIANNUAL SERVICER CERTIFICATE
                             AS OF FEBRUARY 28, 2002


         Pursuant to Section 4.01(d)(iii) of the Securitization Property
Servicing Agreement, dated as of March 9, 2001 (the "Agreement"), between The
Detroit Edison Company, as servicer and The Detroit Edison Securitization
Funding LLC, the Servicer does hereby certify, for the current Payment Date, as
follows:

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


1.   ESTIMATED SB CHARGE PAYMENTS AND AGGREGATE AMOUNTS AVAILABLE FOR THE
     CURRENT PAYMENT DATE:

<TABLE>


<S>                                                                           <C>
     i.    Amount Remitted - September 2001                                     $   14,731,605
     ii.   Amount Remitted - October 2001                                           19,008,456
     iii.  Amount Remitted - November 2001                                          18,132,483
     iv.   Amount Remitted - December 2001                                          15,317,131
     v.    Amount Remitted - January 2002                                           14,548,980
     vi.   Amount Remitted - February 2002                                          13,344,484
                                                                                --------------
     vii.  Total Amount Remitted for this Period (sum of i. through vi. above)  $   95,083,139
     viii. Net Earnings on Collection Account (accrued thru January 31, 2002)          579,723
     ix.   Expenses Paid to Date                                                         5,529
                                                                                --------------
     x.    General Subaccount Balance (sum of vii. and viii. above minus ix.)   $   47,803,011
     xi.   Reserve Subaccount Balance                                                        0
     xii.  Overcollateralization Subaccount Balance                                          0
     xiii. Capital Subaccount Balance                                                8,750,000
                                                                                --------------
     xiv.  Collection Account Balance (sum of x. through xiii. above)           $   56,553,011
                                                                                ==============
</Table>

2    OUTSTANDING PRINCIPAL BALANCE AS OF PRIOR PAYMENT DATE BY TRANCHE:

<TABLE>


<S>                                                                           <C>
     i.    Class A-1 Principal Balance Outstanding Securitization Bond          $   84,880,282
     ii.   Class A-2 Principal Balance Outstanding Securitization Bond             179,037,815
     iii.  Class A-3 Principal Balance Outstanding Securitization Bond             322,791,421
     iv.   Class A-4 Principal Balance Outstanding Securitization Bond             406,722,416
     v.    Class A-5 Principal Balance Outstanding Securitization Bond             326,236,780
     vi.   Class A-6 Principal Balance Outstanding Securitization Bond             390,671,263
                                                                                --------------
     vii.  Total Securitization Bond Principal Balance                          $1,710,339,977
                                                                                ==============
</TABLE>


<PAGE>
3.   REQUIRED FUNDING/PAYMENTS AS OF CURRENT PAYMENT DATE:


     a)  PROJECTED PRINCIPAL BALANCES AND PAYMENTS

<TABLE>
<CAPTION>
                                                                          Projected
                                                                       Principal Balance            Principal Due
                                                                       -----------------            -------------
<S>                                                                   <C>                          <C>
         i.   Class A-1 Securitization Bond                             $   84,880,282               $35,394,394
         ii.  Class A-2 Securitization Bond                                179,037,815                         0
         iii. Class A-3 Securitization Bond                                322,791,421                         0
         iv.  Class A-4 Securitization Bond                                406,722,416                         0
         v.   Class A-5 Securitization Bond                                326,236,780                         0
         vi.  Class A-6 Securitization Bond                                390,671,263                         0
                                                                        --------------               -----------
         vii. Total Required Principal Amount                           $1,710,339,977               $35,394,394
                                                                        ==============               ===========
</Table>

     b)  REQUIRED INTEREST PAYMENTS

<TABLE>
<CAPTION>
                                                           Securitization         Days in
                                                               Bond              Applicable
                                                           Interest Rate           Period              Interest Due
                                                           -------------           ------              ------------
<S>                                                        <C>                   <C>                 <C>
         i.   Class A-1 Securitization Bond                     5.180%              172                $  3,115,114
         ii.  Class A-2 Securitization Bond                     5.510%              172                   4,932,942
         iii. Class A-3 Securitization Bond                     5.875%              172                   9,481,998
         iv.  Class A-4 Securitization Bond                     6.190%              172                  12,588,059
         v.   Class A-5 Securitization Bond                     6.420%              172                  10,472,200
         vi.  Class A-6 Securitization Bond                     6.620%              172                  12,931,219
                                                                                                       ------------
         vii. Total Required Interest Amount                                                           $ 53,521,082
                                                                                                       ============
</Table>

     c)  PROJECTED SUBACCOUNT PAYMENTS AND LEVELS

<TABLE>
<CAPTION>
             Subaccount                                               Projected Level            Funding Required
             ----------                                               ---------------            ----------------
<S>                                                                  <C>                         <C>
         i.   Capital Subaccount                                      $   8,750,000               $           0
         ii.  Overcollateralization Subaccount                              312,500                     312,500
                                                                      -------------               -------------
         iii. Total Subaccount Payments and Levels                    $   9,062,500               $     312,500
                                                                      =============               =============
</Table>

4.   ALLOCATION OF REMITTANCES AS OF CURRENT PAYMENT DATE PURSUANT TO SECTION
     8.02 OF INDENTURE:



     a)  SEMIANNUAL EXPENSES

<TABLE>
<S>                                                                                               <C>
              Net Expense Amount (Payable on current Payment Date)
         i.   Trustee Fees and Expenses                                                            $         0
         ii.  Semiannual Total of Servicing Fee                                                        437,500
         iii. Semiannual Administration Fee                                                            125,000
         iv.  Operating Expenses (subject to $100,000 cap)                                              84,000
                                                                                                   -----------
         v.   Total Expenses                                                                       $   562,500
                                                                                                   ===========
</TABLE>




                                       2
<PAGE>
     b)  SEMIANNUAL INTEREST
<TABLE>
<CAPTION>
                                                                                                  Aggregate
                                                                                                  ---------
<S>                                                                                          <C>
         i.   Class A-1 Securitization Bond                                                    $   3,115,114
         ii.  Class A-2 Securitization Bond                                                        4,932,942
         iii  Class A-3 Securitization Bond                                                        9,481,998
         iv.  Class A-4 Securitization Bond                                                       12,588,059
         v.   Class A-5 Securitization Bond                                                       10,472,200
         vi.  Class A-6 Securitization Bond                                                       12,931,219
                                                                                               -------------
         vii. Total Semiannual Interest                                                        $  53,521,082
                                                                                               =============

</Table>

     c)  SEMIANNUAL PRINCIPAL

<TABLE>
<CAPTION>
                                                                                                  Aggregate
                                                                                                  ---------
<S>                                                                                          <C>
         i.   Class A-1 Securitization Bond                                                     $ 35,394,394
         ii.  Class A-2 Securitization Bond                                                                0
         iii  Class A-3 Securitization Bond                                                                0
         iv.  Class A-4 Securitization Bond                                                                0
         v.   Class A-5 Securitization Bond                                                                0
         vi.  Class A-6 Securitization Bond                                                                0
                                                                                                ------------
         vii. Total Semiannual Principal                                                        $ 35,394,394
                                                                                                ============

</Table>

     d)  OTHER PAYMENTS

<TABLE>
<S>                                                                                             <C>
         i.   Operating Expenses (in excess of $100,000)                                        $     84,000
         ii.  Funding of Series Capital Subaccount (to required amount)                                    0
         iii. Funding of Series Overcollateralization Subaccount (to required level)                 625,000
                                                                                                ------------
         iv.  Deposits to Reserve Subaccount                                                    $          0
                                                                                                ============

</Table>

5.   OUTSTANDING PRINCIPAL BALANCE AND COLLECTION ACCOUNT BALANCE AS OF CURRENT
     PAYMENT DATE (AFTER GIVING EFFECT TO PAYMENTS TO BE MADE ON SUCH
     DISTRIBUTION DATE):

     a)  PRINCIPAL BALANCE OUTSTANDING:

<TABLE>
<S>                                                                                             <C>
         i.   Class A-1 Principal Balance Outstanding Securitization Bond                     $   84,880,282
         ii.  Class A-2 Principal Balance Outstanding Securitization Bond                        179,037,815
         iii. Class A-3 Principal Balance Outstanding Securitization Bond                        322,791,421
         iv.  Class A-4 Principal Balance Outstanding Securitization Bond                        406,722,416
         v.   Class A-5 Principal Balance Outstanding Securitization Bond                        326,236,780
         vi.  Class A-6 Principal Balance Outstanding Securitization Bond                        390,671,263
                                                                                              --------------
         vii. Total Securitization Bond Principal Balance                                     $1,710,339,977
                                                                                              ==============
</Table>

     b)  COLLECTION ACCOUNT BALANCES OUTSTANDING:

<TABLE>
<S>                                                                                             <C>
         i.   Series Capital Subaccount                                                        $     483,664
         ii.  Series Overcollateralization Subaccount                                                      0
         iii. Reserve Subaccount                                                                           0
                                                                                               -------------
         iv.  Total Subaccount Amount                                                          $     483,664
                                                                                               =============
</TABLE>




                                       3
<PAGE>
6.   SUBACCOUNT BALANCES AS OF CURRENT PAYMENT DATE (IF APPLICABLE, PURSUANT TO
     SECTION 8.02 OF INDENTURE):


<TABLE>
<S>                                                                                           <C>
     i.     Series Capital Subaccount                                                          $     483,664
     ii.    Series Overcollateralization Subaccount                                                        0
     iii.   Reserve Subaccount                                                                             0
                                                                                               -------------
     iv.    Total Subaccount Balances                                                          $     483,664
                                                                                               =============
</Table>

7.   SHORTFALLS IN INTEREST AND PRINCIPAL PAYMENTS AS OF CURRENT PAYMENT DATE
     (IF APPLICABLE):


     a)  SEMIANNUAL INTEREST SHORTFALL

<TABLE>
<S>                                                                                           <C>
         i.      Class A-1 Securitization Bond                                                 $           0
         ii.     Class A-2 Securitization Bond                                                             0
         iii     Class A-3 Securitization Bond                                                             0
         iv.     Class A-4 Securitization Bond                                                             0
         v.      Class A-5 Securitization Bond                                                             0
         vi.     Class A-6 Securitization Bond                                                             0
                                                                                               -------------
         vii.    Total Semiannual Interest Shortfall                                           $           0
                                                                                               =============
</Table>

     b)  SEMIANNUAL PRINCIPAL SHORTFALL

<TABLE>
<S>                                                                                           <C>
         i.      Class A-1 Securitization Bond                                                 $           0
         ii.     Class A-2 Securitization Bond                                                             0
         iii     Class A-3 Securitization Bond                                                             0
         iv.     Class A-4 Securitization Bond                                                             0
         v.      Class A-5 Securitization Bond                                                             0
         vi.     Class A-6 Securitization Bond                                                             0
                                                                                               -------------
         vii.    Total Semiannual Principal Shortfall                                          $           0
                                                                                               =============
</Table>

8.   SHORTFALLS IN REQUIRED SUBACCOUNT LEVELS AS OF CURRENT DISTRIBUTION DATE:

<TABLE>
<S>                                                                                           <C>
     i.    Series Capital Subaccount                                                           $   8,273,055
     ii.   Series Overcollateralization Subaccount                                                   625,000
                                                                                               -------------
     iii.  Total Subaccount Shortfalls                                                         $   8,585,555
                                                                                               =============
</TABLE>





         IN WITNESS WHEREOF, the undersigned has duly executed and delivered
this Semiannual Servicer Certificate this __ day of __________.

                                     THE DETROIT EDISON COMPANY, as Servicer



                                      By:
                                         --------------------------------------
                                      Name:
                                      Title:



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