Download – Brochure
Download – Software
Calculator
Step 1
Total kilowatts saved by replacing the inefficient lamps with more efficient lamps
Original lamp wattage
Replacement lamp wattage
Watts Saved per Lamp +
Numbers of lamps to replace
Total kWh Saved =
Step 2
The total kWh per year saved by this upgrade
Total kWh saved =
Total hours used per day
Total days used per week
Total weeks used per year
Total kWh Saved per Year =
Step 3
Total energy costs saved per year by this upgrade
Total kWh saved per year =
Your energy cost per kWh (typically $.10)
Total Energy Cost Savings per Year =
Step 4
Payback of the upgrade
Initial cost of lighting upgrade
Total Energy Cost Savings per Year
Number of Years for Payback on Investment =