Beer App

Enter Step 1. Calculate the total kilowatts saved by replacing the inefficient lamps with more efficient lamps
  Enter Original Lamp Wattage    
  Enter Replacement Lamp Wattage


Watts Saved per Lamp =

  Enter Numbers of Lamps to replace



Total Watts Saved =


Total Kilowatts Saved =

Step 2. Calculate the total kWh per year saved by this upgrade
  Total Kilowatts Saved    
  Enter Hours Used per Day


  Enter Days Used per Week


  Enter Weeks Used per Year



Total kWh Saved per Year =

Step 3. Calculate the total energy costs saved per year by this upgrade
  Total kWh Saved per Year    
  Enter Your Energy Cost per kWh (typically $.10)



Total Energy Cost Savings per Year =

Step 4. Compute the payback of the upgrade
Enter Initial Cost of Lighting Upgrade


  Total Energy Cost Savings per Year



# of Years for Payback on Investment =

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