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Winchester Municipal Utilities
2009 Rate Plan
April 9, 2009
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Scope of Services
• Cost of Service Study– Water– Wastewater– Solid Waste– Wholesale
• Industrial Pretreatment Surcharges• System Development Charges
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Goals
• Address Capital Requirements
• Compress Rate Blocks
• Phase Implementation
• Customer Sensitive
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Deliverables
• Cost of Service Reports
• Rate Model
• PSC Representation
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Financial Forecast Basis: Capital
• Water System Improvements $55,000,000• Lower Howards Creek Sanitary Sewer Improvements $36,000,000• Total $91,000,000
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Financing Cost Assumptions
• Water 4.5% - 20 yrs
• Wastewater 2.2% - 20 yrs
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Financial Forecast Basis
• 5 year projection of Revenues and costs
• Revenue
• Capital
• Borrowing
• O&M
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Rate Plan
• 4-Year Phased Increase
• Compressed Water Rate Blocks
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Impact of Rate Plan – Water (City)
Proposed Rates
BillCurrent Rates 2009 2010 2011 2012
Minimum Bill(100 ft3)
(750 gallons)$3.46 $4.10 $4.83 $5.69 $6.75
Average Residential
(700 ft3)(5,250 gallons)
$18.34 $20.66 $23.73 $26.09 $28.65
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Impact of Rate Plan – Water (Outside City)
Proposed Rates
BillCurrent Rates 2009 2010 2011 2012
Minimum Bill(100 ft3)
(750 gallons)$4.49 $5.32 $6.27 $7.38 $8.76
Average Residential
(700 ft3)(5,250 gallons)
$24.03 $27.12 $31.14 $34.23 $38.06
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Impact of Rate Plan – Wastewater (City)
Proposed Rates
BillCurrent Rates 2009 2010 2011 2012
Minimum Bill(100 ft3)
(750 gallons)$3.61 $4.35 $5.22 $5.86 $6.55
Average Residential
(700 ft3)(5,250 gallons)
$25.26 $30.44 $36.52 $41.05 $45.88
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Impact of Rate Plan – Wastewater (Outside City)
Proposed Rates
BillCurrent Rates 2009 2010 2011 2012
Minimum Bill(100 ft3)
(750 gallons)$4.78 $5.76 $6.91 $7.77 $8.68
Average Residential
(700 ft3)(5,250 gallons)
$33.46 $40.32 $48.39 $54.38 $60.78
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Impact of Rate Plan – Solid Waste
Proposed Rates
BillCurrent Rates 2009 2010 2011 2012
Average Residential $15.42 $18.57 $21.72 $24.85 $25.37
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Combined Impact of Rate Plan (City)
Water, Wastewater, and Solid WasteProposed Rates
BillCurrent Rates 2009 2010 2011 2012
Minimum Bill(100 ft3)
(750 gallons)$22.49 $27.02 $31.77 $36.40 $38.67
Average Residential
(700 ft3)(5,250 gallons)
$59.02 $69.67 $81.97 $91.99 $99.90
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Combined Impact of Rate Plan (Outside City)
Water and WastewaterProposed Rates
BillCurrent Rates 2009 2010 2011 2012
Minimum Bill(100 ft3)
(750 gallons)$9.27 $11.0
8$13.18 $15.15 $17.44
Average Residential
(700 ft3)(5,250 gallons)
$57.49 $67.44
$79.53 $88.62 $98.83
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Results
• Rate Model
• System Development Charge
• Pretreatment Charges
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Water System Development Charges
• Based on AWWA M-1 Manual methodology• Source of Supply• Source Water Transmission• Treatment Facilities• Pumping• Transmission Mains• Does not include Contributed Capital
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Waste Water System Development Charges
• Based on AWWA M-1 Manual methodology
• Treatment Facilities
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System Development Charge 5/8” Meter
•Water - $ 963
•Wastewater - $ 5,345
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Industrial Pretreatment Charges
BOD TSS NH3
Existing $0.11/lb $0.13/lb $0.41/lb
Proposed $0.18/lb $0.18/lb $0.25/lb
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Summary
• Cost of Service Rates
• Phased Approach
• Wholesale Rate / PSC
• Decision on SDC