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INITIAL COST COMPONENTS
Total Luminaire Cost
System 1
System 2
Number of Luminaries
Luminarie Cost (each)
Total Lamp Cost
System 1
System 2
Lamp Cost (each)
Lamps per Luminaire
Total Installation Cost
System 1
System 2
Electrical Labor Rate
Hours to Install Each Fixture
Total Initial Cost
System 1
System 2
MAINTENANCE & OPERATING COST COMPONENTS
Total Energy Cost (per year)
System 1
System 2
Input Power (Watts/Fixture)
Energy Rate ($/kwh)
Operating Hours (yearly)
# Lamps Replaced (yearly)
System 1
System 2
Lamp Life (hours)
Relamping Cost (yearly)
System 1
System 2
Hours to Replace Each Lamp
Labor Rate to Replace Lamps
Cleaning Cost (yearly)
System 1
System 2
Luminaire Cleaning (hrs)
Labor Rate to Clean
TOTAL M&O COST PER YEAR
SIMPLE PAYBACK (Yrs)