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Unplugging a computer & modem/router combo saved me about $40...
Unplugging a computer & modem/router combo save me about $40 USD a month off of our electric bill.
I have an all-one computer (Not a laptop) supposedly energy star efficient. I actually done a test but I don't know if it is the computer or the modem/router combo. The computer received power while it was off, the router was always on. I changed that, the computer and the modem/router combo is now totally unplugged so I saved $40.00 off of our electric bill. The computer & modem/router combo is now unplugged for 6 to 12 hours a day.