High-efficiency Fluorescent Lighting
Cost Savings Calculator

Enter your data and click another cell to see the calculated results.

Enter your current incandescent
lighting usage in this column ...

 Suggested High-efficiency Fluorescent replacement

  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  
  bulbs rated watts each, on for hours/day  

 

Results

Based on the specifications above, you could achieve the following savings by replacing your standard incandescent lights with high-efficiency fluorescent units:

Energy Costs

Your current lighting uses about kW-hours/year costing .
The suggested fluorescents would use about kW-hours/year costing .

Bulb Replacement Costs

You probably replace normal bulbs per year, costing .
Expect to replace fluorescents per year, costing .

Total Costs/Savings

Changing to high-efficiency fluorescents will save you a total of per year.

 

Base Costs

The above calculations are based on the following assumed costs for electricity and replacement lighting. If your costs are different, you can plug in your own costs and see the difference.

 

 Item

 Cost

 Expected Life

 Electric power  $/kW-hr

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13W Fluorescent  $/each   hrs.
18W Fluorescent  $/each   hrs.
27W Fluorescent  $/each   hrs.
30W Fluorescent  $/each   hrs.
25W Standard  $/each   hrs.
40W Standard  $/each   hrs.
60W Standard  $/each   hrs.
75W Standard  $/each   hrs.
100W Standard  $/each   hrs.
200W Standard  $/each   hrs.