How To Save Energy in Your Home With Smart Plugs

Smart plugs connect between a wall outlet and everyday devices like lamps, coffee makers, space heaters, and entertainment equipment. They use a relay to open or close the circuit on command and a wireless radio to receive control signals from a phone or smart speaker. Some models include energy monitoring that reports real-time wattage and cumulative kilowatt-hours. Many older smart plugs depended on 2.4 GHz Wi‑Fi and manufacturer cloud services, so outages or Wi‑Fi issues could prevent turning devices off. Matter-certified plugs communicate locally and keep working during internet outages. Thread-based plugs create a self-healing mesh network where plugged-in devices relay signals to extend coverage.

"A smart plug sits between a wall outlet and whatever you plug into it - a lamp, a coffee maker, a space heater, a entertainment center. Inside is a relay that opens or closes the circuit on command, plus a wireless radio that listens for those commands from your phone or a smart speaker. Some plugs add an energy meter that reports real-time wattage and cumulative kilowatt-hours back to the app."

"Older smart plugs relied entirely on 2.4 GHz Wi-Fi and the manufacturer's cloud services, which meant a server outage or a Wi-Fi hiccup could leave you unable to turn off your lamp. Matter-certified plugs communicate locally over your home network and continue working even when the internet drops. Thread-based plugs go further, forming a self-healing mesh network in which each plugged-in device acts as a relay for the next, extending"

"The average U.S. household has roughly 65 devices plugged in around the clock, quietly drawing about 770 kilowatt-hours of phantom power every year, about enough to run a refrigerator for nine months. At today's average residential electricity rate of 17.47 cents per kilowatt-hour, that's roughly $135 a year wasted on devices nobody uses."

"Smart plugs are the simplest, cheapest way to stop electricity waste. The arrival of Matter, the cross-platform smart home standard backed by Amazon, Apple, Google, and Samsung, and the maturing of the low-power Thread wireless protocol mean a smart plug bought today should outlast the app it shipped with and work across whatever smart home ecosystem you switch to next."

Read at Earth911