The average size home (with 117 linear feet of roofline) will require 150 Gemstone Lights. At maximum capacity, the Gemstone Lights Track Lighting LED lights pull 1 watt/bulb. Therefore, if you were to run the track lighting system for an average of 6 hours per day, it would cost: $4.34 per month, or $52.80 per year. Interested in learning more read the whole blog on WHAT’S THE COST OF RUNNING GEMSTONE LIGHTS TRACK LIGHTING SYSTEM?