EXHIBIT 10(b) 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: November 2004 CURRENT BILLING MONTH 11/1/2004 - 12/2/2004 COLLECTION CURVE 100% - -------------------------------------------- ------------------------------ STANDARD BILLING FOR PRIOR BILLING MONTH Residential Total Billed $97,200,587 Residential SECURITIZATION CHARGE (SC) Billed $ 1,230,760 1.266% Commercial Total Billed $79,097,215 Commercial SECURITIZATION CHARGE (SC) Billed $ 1,382,207 1.747% Industrial Total Billed $46,775,493 Industrial SECURITIZATION CHARGE (SC) Billed $ 1,390,842 2.973% YTD NET WRITE-OFFS AS A % OF BILLED REVENUE Non-Residential Customer Net Write-offs 0.150% Residential Customer Net Write-offs 0.450% Total Net Write-offs 0.280% AGGREGATE SC COLLECTIONS TOTAL SC REMITTED FOR BILLING MONTH Residential Class SC Collected $ 1,454,638 Commercial Class SC Collected $ 1,438,063 Industrial Class SC Collected $ 1,579,338 Total SC Collected $ 4,472,039 Aggregate SC Remittances for October 2004 BILLING MONTH $ 4,287,658 Aggregate SC Remittances for November 2004 BILLING MONTH $ 4,472,039 Aggregate SC Remittances for December 2004 BILLING MONTH 0 TOTAL CURRENT SC REMITTANCES $ 8,759,697 Page 1 of 3 CURRENT BILLING MONTH 11/1/2004 - 12/2/2004 COLLECTION CURVE 100% ------------------------------------------- --------------------- CALCULATED SC COLLECTED AMOUNT RESIDENTIAL A-1 Residential SC Collected $1,388,948 A-3 Residential T.O.D. SC Collected $ 4,208 A-4 Alternate Residence SC Collected $ 31,300 A-5 Residential Farm/Life Support SC Collected $ 30,182 TOTAL RESIDENTIAL SC COLLECTED $1,454,638 COMMERCIAL B-1 General Primary (041) SC Collected $ 28,029 B-General Secondary (010) SC Collected $ 268,509 C- General Secondary (011) SC Collected $ 486,160 D-General Primary (018) SC Collected $ 308,778 F-Primary High Load Factor (032) SC Collected $ 51,717 GH-General Service Heating (013) SC Collected $ 3,166 H- Water Heating Service (014) SC Collected $ 638 L-1 General Energy-Only Street Lighting SC Collected $ 2,640 L-2 General Service (Cust Owned) St Light SC Collected $ 2,717 L-3 General Service (Co Owned) St Light SC Collected $ 14,086 L-4 General Service Outdoor Lighting Commercial SC Collected $ 1,980 PS-1 General Secondary Public Pumping SC Collected $ 6,649 PS-2 General Primary Public Pumping SC Collected $ 8,500 PS-3 General Optional Primary Public Pumping SC Collected $ 45,601 R-1 General Secondary Resale SC Collected $ 26 R-2 General Secondary Resale SC Collected $ 907 R-3 General Primary Resale SC Collected $ 28,924 ROA-P Retail Open Access Primary (110) SC Collected $ 121,384 ROA-S Retail Open Access Secondary Com SC Collected $ 44,519 SPEC Grand Rapids Special Contract SC Collected $ 2,656 UR-General Unmetered SC Collected $ 10,477 TOTAL COMMERCIAL SC COLLECTED $1,438,063 INDUSTRIAL B-1 General Primary (042) SC Collected $ 36,979 B-General Secondary (020) SC Collected $ 38,009 C- General Secondary (021) SC Collected $ 75,119 CG-Cogeneration/Small Power Production Purchase SC Collected $ 4,052 D-General Primary (028) SC Collected $ 464,219 F-Primary High Load Factor (033) SC Collected $ 85,895 GH-General Service Heating (023) SC Collected $ 41 GMD General Motors SC Collected $ 57,896 GMF General Motors SC Collected $ 116,802 GMF-1 General Motors SC Collected $ 15,187 GMJ-1 General Motors SC Collected $ 7,177 H- Water Heating Service (024) SC Collected $ 0 Page 2 of 3 CURRENT BILLING MONTH 11/1/2004 - 12/2/2004 COLLECTION CURVE 100% ------------------------------------------- --------------------- I-General Primary Interruptible (034) SC Collected $ 0 J-1 General Alternative Electric Metal Melting SC Collected $ 39,580 J-General Primary Electric Furnace (037) SC Collected $ 12,079 L-4 General Service Outdoor Lighting Industrial SC Collected $ 117 R-3 General Primary Resale (027) SC Collected $ 40 ROA-P Retail Open Access Primary (111) SC Collected $ 450,549 ROA-S Retail Open Access Secondary Ind SC Collected $ 7,465 SC - Special Contract Industrial SC Collected $ 168,132 TOTAL INDUSTRIAL SC COLLECTED $1,579,338 TOTAL SC COLLECTED $4,472,039 Executed as of this 13th day of December 2004. CONSUMERS ENERGY COMPANY AS SERVICER /s/ Glenn P. Barba ---------------------------------------- Glenn P. Barba, Vice President and Controller CC: Consumers Funding LLC One Energy Plaza Jackson, Mi 49201 Page 3 of 3