Welcome to LSI’s LED Calculator

Let us assist you in realizing the substantial energy and maintenance savings that can be achieved using LSI Crossover energy efficient LED products in numerous market applications!


  • Calculate an ROI/Payback between an LSI LED system and an alternate system
  • Calculate the Total KWH for each system
  • Calculate and compare the Total Annual Average Energy + Maintenance Costs
  • Calculate the Annual Average Energy & Maintenance Savings
  • Calculate and Chart the Cumulative Savings for up to a 10-year period
  • Calculate and Chart the potential Greenhouse Reduction of Gases and Reduction Equivalent of Passenger Vehicles over a 10-year period

  Energy Calculator   The LSI ROI LED Calculator is a ZIP file that includes includes two different calculators.   

Input Sheet: Enter the application data for up to (1 or 5) fixture types for both an LSI LED System and the Alternate System. Real-time ROI/Payback is calculated and charted as data is entered.

Executive Summary: Included with the 5 fixture calculator. Energy and maintenance costs are summarized, ROI/Payback is calculated and charted.

Potential Greenhouse Gas Equivalencies are calculated and charted for both pounds and metric tons of CO2.

Reference Sheet: Lamp + ballast input wattages are provided for typical LSI LED, HID and fluorescent configurations along with industry web links to Energy Code & Compliance sites and industry organizations and associations sites.

In order to view and print the information correctly on each sheet you may need to change the magnification and/or re-size the column widths within your spreadsheet program.

For more information on LSI's LED solutions, email us here.

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