Estimate how much you can save by switching to LED bulbs from incandescent, halogen or Compact Fluorescent Light (CFL). For a personalized calculation, adjust each field to match the bulb type, wattage, number of bulbs and hours of use per day. Next click the “Add to calculation” button and then the “CALCULATE” button.

This calculator uses simplified assumptions based on information from the NY Technical Resource Manual, Version 6.