Energy Efficiency Calculator

Number of Lamps: Days per Week: Hours per Day:
Energy Rate: Days Closed per Year:
CURRENT NEW
Lamp Wattage:
Lamp Life (hrs):
Lamp Cost ($):
Maintenance Cost ($/hr):
Replacement Time per Lamp (mins):
Replacement Ratio: 30.00 1
Lamp Actual Lifespan (weeks): 25.49 764.71
Lamps replaced per year: 16.32 0.00
Lamp Cost per year ($): 32.64 0.00
Maintenance Cost per year ($): 34.00 0.00
Electricity Cost per year ($): 265.20 28.56
Initial Outlay ($): 400.00
Yearly Cost ($): 331.84 28.56
$ SAVING
(per year)
PAYBACK TIME
(weeks):
303.28 68.58