Light bulbs saving calculations 

 See how much money you could save from simply changing a few lights.

Conservation, Start with the lights

Inputs
   

Number of Lights?

Hours per day?

Utility Rate?

Time Frame?

Light Bulb  (FAQs)

Incandescent

( inefficient )

Fluorescent

( efficient )

    Initial costs:

$0.80

     $5.00  

    Life Span (hours):

 2,000

  8,000

    Watts per light:

   60   

 13

Outputs

 

 

Costs for lights:

  

Number of lights:

  

Lights Percent:

  

Energy  Usage:

  

Energy Costs:

  

Energy Percent:

  

Total Costs:

  

Savings 

 

 

With Fluorescent lights, just like distributed energy, more of the cost is paid upfront 

but an enormous efficiency advantage in operation and savings over time.

 

 
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