LED Return On Investment Calculator

Variables
Value
Unit
Variables
Value
Unit
LED Luminaire Type
  LED Luminaire Wattage
Watts
 
Led - Luminaire Unit Cost
  Conventional Luminaire Wattage
Watts
 
Conventional Lumimaire Unit Cost
Watts Lamp type in Conventional Luminai
Rupees
 
No of Luminaires to Install
  Running Time Per Day
Lamp(s)
 
Operational Days (per year)
Days Cost of energy / kwHrs
 



  CALCUATIONS
Conv.Lum.
LED Lum.
  Electrical Costs
   
 
Electrical Load of Lamp(s)
     
Total Air Conditioning Load [9 x 35% of Electrical Load]
     
Total Electrical Load
     
Running Time Per Year
     
Energy Consumed per year (KwHrs)
     
Electrical Demand Saving (KwHrs)
     
  Total Cost of Energy (per year)
  Savings Electrical (per year)


  Part B
   
  Capital Requirements
   
     
Purchase Requirements Cost
     
Installation Cost per unit
     
Total Installation Costs
 
  Total Capital Investment Requirements
  Net Investment Requirement


  Part C
   
  Maintenance Requirements
   
     
Life Time of lamp (operating hrs)
     
Replacements required (per year)
     
Replacement Costs (per year)
     
Installation Cost per New Unit
     
Maintenance Costs (per year)
 
  Total Maintenance Costs (per year)
  Saving Maintenance (per year)


  Part D
   
  ROI Results
   
   
Total Operating Cost (per Year)
 
"Total Savings First Year
Savings Electrical + Savings Maintenance"
"Payback Period in Years
Time to payback Capital Requirement Cost"
"LED Return on Investment (ROI) over 5 Years
(ROI less any Capital & Maintenance Costs)"