EXHIBIT 99.50 SEMIANNUAL SERVICER CERTIFICATE AS OF FEBRUARY 29, 2004 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: i. Amount Remitted -- September 2003 $ 16,300,588 ii. Amount Remitted -- October 2003 15,483,259 iii.Amount Remitted -- November 2003 15,578,607 iv. Amount Remitted -- December 2003 12,765,230 v. Amount Remitted -- January 2004 13,845,648 vi. Amount Remitted -- February 2004 11,249,974 ------------- vii.Total Amount Remitted for this Period (sum of i. through vi. above) $ 85,223,306 viii.Net Earnings on Collection Account (accrued August 2003 thru January 31, 2004) 358,504 ix. Expenses Paid to Date (August 2003 thru January 31, 2004) 85,839 ------------- x. General Subaccount Balance (sum of vii. and viii. above minus ix.) $ 85,495,971 xi. Reserve Subaccount Balance 8,951,452 xii.Overcollateralization Subaccount Balance 1,562,500 xiii.Capital Subaccount Balance 8,750,000 ------------- xiv.Collection Account Balance (sum of x. through xiii. above) $ 104,759,923 ============= 2. OUTSTANDING PRINCIPAL BALANCE AS OF PRIOR PAYMENT DATE BY TRANCHE: i. Class A-1 Principal Balance Outstanding Securitization Bond $ 0 ii. Class A-2 Principal Balance Outstanding Securitization Bond 138,526,094 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 $ 1,584,947,974 =============== 3. REQUIRED FUNDING/PAYMENTS AS OF CURRENT PAYMENT DATE: A) PROJECTED PRINCIPAL BALANCES AND PAYMENTS Projected Principal Balance Principal Due ----------------- ------------- i. Class A-1 Securitization Bond $ 0 $ 0 ii. Class A-2 Securitization Bond 92,311,919 46,214,175 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 $ 1,538,733,799 $ 46,214,175 ================ ============= B) REQUIRED INTEREST PAYMENTS Securitization Days in Bond Applicable Interest Rate Period Interest Due ------------- ---------- ------------- i. Class A-1 Securitization Bond 5.180% 180 $ 0 ii. Class A-2 Securitization Bond 5.510% 180 3,816,394 iii. Class A-3 Securitization Bond 5.875% 180 9,481,998 iv. Class A-4 Securitization Bond 6.190% 180 12,588,059 v. Class A-5 Securitization Bond 6.420% 180 10,472,200 vi. Class A-6 Securitization Bond 6.620% 180 12,931,219 ------------- vii. Total Required Interest Amount $ 49,289,870 ============= C) PROJECTED SUBACCOUNT PAYMENTS AND LEVELS Subaccount Projected Level Funding Required ---------- --------------- ---------------- i. Capital Subaccount $ 8,750,000 $ 0 ii. Overcollateralization Subaccount 1,875,000 312,500 ------------- ------------- iii. Total Subaccount Payments and Levels $ 10,625,000 $ 312,500 ============= ============= 4. ALLOCATION OF REMITTANCES AS OF CURRENT PAYMENT DATE PURSUANT TO SECTION 8.02 OF INDENTURE: A) SEMIANNUAL EXPENSES 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) 0 ----------- v. Total Expenses $ 562,500 =========== 2 B) SEMIANNUAL INTEREST Aggregate -------------- i. Class A-1 Securitization Bond $ 0 ii. Class A-2 Securitization Bond 3,816,394 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 $ 49,289,870 ============== C) SEMIANNUAL PRINCIPAL Aggregate -------------- i. Class A-1 Securitization Bond $ 0 ii. Class A-2 Securitization Bond 46,214,175 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 $ 46,214,175 ============== D) OTHER PAYMENTS i. Operating Expenses (in excess of $100,000) $ 0 ii. Withdrawal from Series Capital Subaccount (to required amount) 56,622 iii. Withdrawal from Series Overcollateralization Subaccount (to required level) 1,562,500 iv. Withdrawal from Reserve Subaccount 8,951,452 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: i. Class A-1 Principal Balance Outstanding Securitization Bond $ 0 ii. Class A-2 Principal Balance Outstanding Securitization Bond 92,311,919 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 $1,538,733,799 ============== B) COLLECTION ACCOUNT BALANCES OUTSTANDING: i. Series Capital Subaccount $ 8,693,378 ii. Series Overcollateralization Subaccount 0 iii. Reserve Subaccount 0 ------------- iv. Total Subaccount Amount $ 8,693,378 ============= 3 6. SUBACCOUNT BALANCES AS OF CURRENT PAYMENT DATE (IF APPLICABLE, PURSUANT TO SECTION 8.02 OF INDENTURE): i. Series Capital Subaccount $ 8,693,378 ii. Series Overcollateralization Subaccount 0 iii.Reserve Subaccount 0 --------------- iv. Total Subaccount Balances $ 8,693,378 =============== 7. SHORTFALLS IN INTEREST AND PRINCIPAL PAYMENTS AS OF CURRENT PAYMENT DATE (IF APPLICABLE): A) SEMIANNUAL INTEREST SHORTFALL 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 =============== B) SEMIANNUAL PRINCIPAL SHORTFALL 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 =============== 8. SHORTFALLS IN REQUIRED SUBACCOUNT LEVELS AS OF CURRENT DISTRIBUTION DATE: i. Series Capital Subaccount $ 56,622 ii. Series Overcollateralization Subaccount 1,875,000 --------------- iii.Total Subaccount Shortfalls $ 1,931,622 =============== IN WITNESS WHEREOF, the undersigned has duly executed and delivered this Semiannual Servicer Certificate this 27th day of February 2004. THE DETROIT EDISON COMPANY, as Servicer By: /s/Daniel G. Brudzynski ----------------------------------- Name: Daniel G Brudzynski Title: Vice President and Controller 4