LEDs in homes and businesses are one of today’s best, most energy-efficient and rapidly-developing technologies. ” The Department of Energy estimates using a traditional incandescent bulb adds about $4.80 per year to the average home electric bill. A compact fluorescent light (CFL) adds just $1.20 per year and an LED about $1 per year. That means a typical household could potentially save about $50 per year by replacing 15 incandescent bulbs.”