EXHIBIT 10(a) MONTHLY SERVICER'S CERTIFICATE CONSUMERS FUNDING LLC $468,592,000 SECURITIZATION BONDS, SERIES 2001-1 Pursuant to Section 3.05 of the Servicing Agreement dated as of November 8, 2001 (the "Consumers Servicing Agreement") between Consumers Energy Company, as Servicer and Consumers Funding LLC, as Issuer, the Servicer does hereby certify as follows: Capitalized terms used in the Monthly Servicer's Certificate (the "Monthly Certificate") have their respective meanings as set forth in the Servicing Agreement. References herein to certain sections and subsections are references to the respective sections of the Servicing Agreement. Current BILLING MONTH: July 2004 CURRENT BILLING MONTH 7/2/2004 - 8/2/2004 COLLECTION CURVE 100% STANDARD BILLING FOR PRIOR BILLING MONTH Residential Total Billed $100,760,800 Residential SECURITIZATION CHARGE (SC) Billed $ 1,257,816 1.248% Commercial Total Billed $ 80,241,009 Commercial SECURITIZATION CHARGE (SC) Billed $ 1,424,462 1.775% Industrial Total Billed $ 54,276,701 Industrial SECURITIZATION CHARGE (SC) Billed $ 1,500,135 2.764% YTD NET WRITE-OFFS AS A % OF BILLED REVENUE Non-Residential Customer Net Write-offs 0.130% Residential Customer Net Write-offs 0.350% Total Net Write-offs 0.220% AGGREGATE SC COLLECTIONS TOTAL SC REMITTED FOR BILLING MONTH Residential Class SC Collected $ 1,304,490 Commercial Class SC Collected $ 1,363,341 Industrial Class SC Collected $ 1,315,360 Total SC Collected $ 3,983,191 Aggregate SC Remittances for July 2004 BILLING MONTH $ 3,983,191 Aggregate SC Remittances for August 2004 BILLING MONTH $ 0 Aggregate SC Remittances for September 2004 BILLING MONTH $ 0 TOTAL CURRENT SC REMITTANCES $ 3,983,191 Page 1 of 3 CURRENT BILLING MONTH 7/2/2004 - 8/2/2004 COLLECTION CURVE 100% CALCULATED SC COLLECTED AMOUNT RESIDENTIAL A-1 Residential SC Collected $1,242,839 A-3 Residential T.O.D. SC Collected $ 3,733 A-4 Alternate Residence SC Collected $ 31,068 A-5 Residential Farm/Life Support SC Collected $ 26,850 TOTAL RESIDENTIAL SC COLLECTED $1,304,490 COMMERCIAL B-1 General Primary (041) SC Collected $ 28,340 B-General Secondary (010) SC Collected $ 244,316 C- General Secondary (011) SC Collected $ 484,971 D-General Primary (018) SC Collected $ 294,970 F-Primary High Load Factor (032) SC Collected $ 45,779 GH-General Service Heating (013) SC Collected $ 3,301 H- Water Heating Service (014) SC Collected $ 637 L-1 General Energy-Only Street Lighting SC Collected $ 1,625 L-2 General Service (Cust Owned) St Light SC Collected $ 1,541 L-3 General Service (Co Owned) St Light SC Collected $ 7,950 L-4 General Service Outdoor Lighting Commercial SC Collected $ 1,046 PS-1 General Secondary Public Pumping SC Collected $ 7,076 PS-2 General Primary Public Pumping SC Collected $ 8,039 PS-3 General Optional Primary Public Pumping SC Collected $ 33,617 R-1 General Secondary Resale SC Collected $ 88 R-2 General Secondary Resale SC Collected $ 890 R-3 General Primary Resale SC Collected $ 28,723 ROA-P Retail Open Access Primary (110) SC Collected $ 119,804 ROA-S Retail Open Access Secondary Com SC Collected $ 35,694 SC - Special Contract Commercial SC Collected $ 2,224 SPEC Grand Rapids Special Contract SC Collected $ 2,332 UR-General Unmetered SC Collected $ 10,378 TOTAL COMMERCIAL SC COLLECTED $1,363,341 INDUSTRIAL B-1 General Primary (042) SC Collected $ 20,901 B-General Secondary (020) SC Collected $ 33,795 C- General Secondary (021) SC Collected $ 67,155 CG-Cogeneration/Small Power Production Purchase SC Collected $ 17,552 D-General Primary (028) SC Collected $ 467,123 F-Primary High Load Factor (033) SC Collected $ 70,217 GH-General Service Heating (023) SC Collected $ 25 GMD General Motors SC Collected $ 61,271 GMF General Motors SC Collected $ 118,235 GMF-1 General Motors SC Collected $ 12,093 GMJ-1 General Motors SC Collected $ 8,042 Page 2 of 3 CURRENT BILLING MONTH 7/2/2004 - 8/2/2004 COLLECTION CURVE 100% H- Water Heating Service (024) SC Collected $ 0 I-General Primary Interruptible (034) SC Collected $ 160 J-1 General Alternative Electric Metal Melting SC Collected $ 21,837 J-General Primary Electric Furnace (037) SC Collected $ 8,891 L-4 General Service Outdoor Lighting Industrial SC Collected $ 65 R-3 General Primary Resale (027) SC Collected $ 60 ROA-P Retail Open Access Primary (111) SC Collected $ 310,460 ROA-S Retail Open Access Secondary Ind SC Collected $ 6,218 SC - Special Contract Industrial SC Collected $ 91,260 TOTAL INDUSTRIAL SC COLLECTED $1,315,360 TOTAL SC COLLECTED $3,983,191 Executed as of this 10th day of August 2004. CONSUMERS ENERGY COMPANY AS SERVICER /s/ Glenn P. Barba ------------------------------- Glenn P. Barba, Vice President, Controller and Chief Accounting Officer CC: Consumers Funding LLC One Energy Plaza Jackson, Mi 49201 Page 3 of 3