Incadescent Bulbs vs. Compact Fluorescent and LED Light Bulbs  
     
  Calculate Your Cost Savings    
     
  Cost of Energy per KWh      
  (Average = $0.09, High = $0.20)      
         
  Wattage of Incandescents Being Replaced      
         
  # of Household Light Bulbs Being Replaced        
           
  Your Estimated Daily Usage (in hours)        
         
       
         
  Results   Incandescent Light Bulbs   CFL
(Compact Fluorescent Light Bulbs)
  LED
(Light-Emitting Diode Light Bulbs)
 
  Total cost over 60,000 hours
(energy + bulb replacement)
       
                 
  Monthly Savings by switching from Incandescent      
                 
  Yearly Savings by switching from Incandescent      
                 
  Total Savings by switching from Incandescent        
   
   
  For this calculation we used average life span of 2,000 hours for incandescent and 10,000 hours for CFL.  
  Average cost was: $0.49 for incandescent, $1.72 for 40/60W CFL, $3.44 for 100W CFL and $50.00 for LED.  
  60,00 hours is the life span of the LED light.  
 
Excel spreadsheet to Html form