Help with dumb appliance status

So I know some smart plugs let you monitor how much electricity they are using, so I thought maybe if I put them behind my washing machine and dryer i can have a sensor where if it is using above a certain amount of power it shows as “on”, otherwise “off”

Can someone recommend me smart plugs? Also I want them to work locally, I don’t know if esp8266 will support but it will be nice if it does.

Thanks in advance