is not charging a device, so the annual savings from unplugging it may be tiny. However, older electronics, gaming consoles, desktop computers, and other equipment can consume more electricity in standby mode.
For that reason, reducing standby power can be worthwhile, particularly when you have many devices that remain plugged in around your home. However, the amount of energy wasted through standby power varies considerably from household to household and from one device to another.
The key is not to worry about every single plug. Instead, focus on the devices