Homeowners and renters are increasingly using technologies like smart thermostats and smart lighting, appliances, and outlets to enhance comfort and convenience. But these are not the only benefits. Smart technologies can also optimize a home’s energy use, reducing waste and lowering utility bills. This report provides an in-depth look at various smart technologies that regulate home heating, cooling, lighting, and plug loads to improve energy management. We explore the benefits driving consumer demand and examine barriers to more widespread adoption. We detail how utilities are incorporating smart technologies into their energy efficiency and demand response programs, concluding with recommendations for strengthening these offerings.