My Dad claims that he saw something on tv today that said a wireless router and a cable modem if left plugged in for 24hrs a day, 7 days a week, accounts for up to 10-25% of your monthly HOUSEHOLD power consumption. I feel this is total bull, the LED lights just mess with his OCD (he's a nut when it comes to electricity use). My question is, is there anything I can show him to prove him otherwise? Does anybody know how much power these things actually use?

My router is - Netgear 54MBS Wireless model WGR614 v7
My modem is - Arris CM450A

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