https://portlandgeneral.com/blog/smart-homes-smarter-savings

(my power Co sent me this, a simple search shows no provider outside the Google-snoop realm, #opensource is all diy)

"Smart power strips: Stop phantom energy in its tracks

Many electronics use electricity even when they’re turned off. That’s called standby or “phantom” power and it can add up over time.

…computers, game consoles, chargers — basically anything with a plug that sits unused but plugged in for long stretches.

Est savings: 5-10% on household electricity"

Smart home upgrades that pay off | PGE

Discover four smart home upgrades — like thermostats, power strips and LED bulbs — and shop our top picks on PGE+ Marketplace.

https://www.hackster.io/skyline/smart-power-strip-v2-0-with-cayenne-cloud-616c3c

Smart Power Strip v2.0 with Cayenne Cloud

Build your own easy or simple DIY smart power strip to control electrical devices from remotely.

Smart Power Strip v2.0 with Cayenne Cloud

Build your own easy or simple DIY smart power strip to control electrical devices from remotely. By Brijesh Singh.

Hackster.io
Smart Power Strip Based on Beaglebone Black and OpenHAB

Smart Power Strip Based on Beaglebone Black and OpenHAB: !!!!! Playing with mains (110/220V) is dangerous, please be VERY VERY careful !!!!! There are some existing smart power strip designs based on "Raspberry Pi" and two Arduinos, which is shown in the picture "Old design". This new design differs from …

Instructables