Winchester Municipal Utilities 2009 Rate Plan April 9, 2009
Scope of Services Cost of Service Study –Water –Wastewater –Solid Waste –Wholesale Industrial Pretreatment Surcharges System Development Charges
Goals Address Capital Requirements Compress Rate Blocks Phase Implementation Customer Sensitive
Deliverables Cost of Service Reports Rate Model PSC Representation
Financial Forecast Basis: Capital Water System Improvements$55,000,000 Lower Howards Creek Sanitary Sewer Improvements $36,000,000 Total$91,000,000
Financing Cost Assumptions Water4.5% - 20 yrs Wastewater2.2%- 20 yrs
Financial Forecast Basis 5 year projection of Revenues and costs Revenue Capital Borrowing O&M
Rate Plan 4-Year Phased Increase Compressed Water Rate Blocks
Impact of Rate Plan – Water (City) Proposed Rates Bill Current Rates Minimum Bill (100 ft 3 ) (750 gallons) $3.46$4.10$4.83$5.69$6.75 Average Residential (700 ft 3 ) (5,250 gallons) $18.34$20.66$23.73$26.09$28.65
Impact of Rate Plan – Water (Outside City) Proposed Rates Bill Current Rates Minimum Bill (100 ft 3 ) (750 gallons) $4.49$5.32$6.27$7.38$8.76 Average Residential (700 ft 3 ) (5,250 gallons) $24.03$27.12$31.14$34.23$38.06
Impact of Rate Plan – Wastewater (City) Proposed Rates Bill Current Rates Minimum Bill (100 ft 3 ) (750 gallons) $3.61$4.35$5.22$5.86$6.55 Average Residential (700 ft 3 ) (5,250 gallons) $25.26$30.44$36.52$41.05$45.88
Impact of Rate Plan – Wastewater (Outside City) Proposed Rates Bill Current Rates Minimum Bill (100 ft 3 ) (750 gallons) $4.78$5.76$6.91$7.77$8.68 Average Residential (700 ft 3 ) (5,250 gallons) $33.46$40.32$48.39$54.38$60.78
Impact of Rate Plan – Solid Waste Proposed Rates Bill Current Rates Average Residential $15.42$18.57$21.72$24.85$25.37
Combined Impact of Rate Plan (City) Water, Wastewater, and Solid Waste Proposed Rates Bill Current Rates Minimum Bill (100 ft 3 ) (750 gallons) $22.49$27.02$31.77$36.40$38.67 Average Residential (700 ft 3 ) (5,250 gallons) $59.02$69.67$81.97$91.99$99.90
Combined Impact of Rate Plan (Outside City) Water and Wastewater Proposed Rates Bill Current Rates Minimum Bill (100 ft 3 ) (750 gallons) $9.27$ $13.18$15.15$17.44 Average Residential (700 ft 3 ) (5,250 gallons) $57.49$ $79.53$88.62$98.83
Results Rate Model System Development Charge Pretreatment Charges
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
Waste Water System Development Charges Based on AWWA M-1 Manual methodology Treatment Facilities
System Development Charge 5/8” Meter Water - $ 963 Wastewater - $ 5,345
Industrial Pretreatment Charges BODTSSNH3 Existing$0.11/lb$0.13/lb$0.41/lb Proposed$0.18/lb $0.25/lb
Summary Cost of Service Rates Phased Approach Wholesale Rate / PSC Decision on SDC