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How much does it cost to run a echo dot?
Given that the average electricity price in the US is $0.13 per kWh, leaving these devices plugged in 24/7 for a month or year would cost the following: Third-generation Echo: $0.19 per month or $2.28 per year. Third-generation Echo Dot: $0.14 per month or $1.70 per year.
Does the Echo dot use a lot of electricity?
Echo Dot: 2.1-2.4 watts (2.25 watts on average)
How much does it cost to have an Alexa plugged in?
So, if you use your Echo to listen to music for a couple of hours a day, and leave it on standby the rest of the time, the cost only fractionally higher, at a little over $0.40 a month to run, or about $5 a year.