yuma county energy audit summary 08 03 10 final rev1
TRANSCRIPT
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Yuma County Energy Audit:Report Summary
General Services DepartmentAugust 16, 2010
Project # 910-GS0006
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Triple Bottom Line
• Americans saved enough energy in 2009 alone to avoid greenhouse gas emissions equivalent to those from 30 million cars — all while saving nearly $17 billion on their utility bills.
• 1979 - 28% of all our oil is imported• Today +60% is imported• Consumption over this period quintupled
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Development Services
Misc. Equip.31%
Area Lights27%
Hot Water2%
Space Heat1%
Space Cool32%
Ext. Usage3%
Vent. Fans4%
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• EEM #1 Lighting Retrofits– Replace older fluorescent lamps with energy efficient
longer lasting lamps – Add occupancy sensors where practical
• EEM #2 Adjust Temperature Controls– Change temperature set-points to industry standards
(no lower than 76⁰F for cooling, no higher than 74⁰F for heating)
– Program HVAC units to allow the Cooling & Heating systems to turn off/down during unoccupied period
Summary of Energy Conservation Measures (EEMs)
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Summary of Energy Conservation Measures (EEMs)
• EEM #3 Exterior Lighting Retrofits– Replace HID/Metal Halide lamps with more energy
efficient fluorescent lamps• EEM #4 Window Replacement– Replace single pane windows with dual pane
• EEM #5 Demand Control Ventilation– Decrease/increase outside air into the building based
upon fresh air demand
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Summary of Energy Conservation Measures (EEMs)
• EEM #6 PC Power Management/Server Consolidation– Turns computers off when not in use– Consolidation of servers or “Clouding” can create
savings• EEM # 7 Variable Frequency Drives On Motors– Allows motors to operate at reduced power levels,
matching the demand
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Summary of Energy Conservation Measures (EEMs)
• EEM #8 Replace Aging AC units– Air Conditioning units older than 15 years should be
replaced with energy efficient units• EEM #9 Install More Energy Efficient Vending Mizers– Compressors and lights are activated by motion sensors
• EEM #10 Solar Power– Install Photovoltaic panels to reduce consumption
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Cost/Benefit Summary Of All EEM’s And All buildings
Savings Summary All EEMsAnnual Electricity Cost savings $ 326,723
Cost SummaryMeasure Cost $ 1,881,951
Possible Utility Incentive $ 878,737
Net Measure Cost $ 1,003,215
Simple Payback (Years)
With Incentives 3.07
Annual Electricity Cost savings
$ 326,723
Measure Cost $ 1,881,951 Possible Utility Incentive
$ 878,737
Net Measure Cost $ 1,003,215
With Incentives 3.07
Cost Summary
Simple Payback (Years)
All EEMsSavings Summary
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Summary Of Energy Reduction PlanNon Library Buildings
Savings SummaryTotal For All Non Library
Buildings
Total Baseline Electric Consumption (kWh) 11,133,241
Total kWh/sf/yr 12.36 Projected Annual Electricity Savings (kWh) 3,062,107Projected Total kWh/sf/yr 8.96 % Energy Consumption Reduction 28% GHG Emissions Savings (Metric tons) 2,199
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Summary Of Energy Reduction PlanLibrary Buildings
Savings SummaryTotal For All
Library Buildings
Total Baseline Electric Consumption (kWh) 2,740,600
Total kWh/sf/yr 16.25 Projected Annual Electricity Savings (kWh) 539,316Projected Total kWh/sf/yr 13.05 % Energy Consumption Reduction 20% GHG Emissions Savings (Metric tons) 387
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Combined Greenhouse Gas Emission Reduction
These EEMs will result in a savings of 2,586 Tons of CO₂ for Yuma County, equal to:
• 495 cars off the road or• 314 home energy use or• 6,015 barrels of oil or• 290,935 gals of gasoline
Source: EPA website
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Summary of Energy Star Ratings
Building # Building Name
Energy Star
Rating
Energy Star
Label
168Historic Courthouse & Justice Center 86 YES
2200 Health Dept. 82 YES
2351Development Services 77 YES
198 Administration 62 NO
405 Adult Probation 61 NO
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Questions??