Cisco equipment power usage?

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I have a lab set up at home, is there anywhere I can find how much power each device is using? I can't find it! We dont have much money so scared about leaving it on when im out in case its sucking all our power!

MSP-IT

I'd say you should find the total power requirement for each device and see if you can find the utilization percent for your device/s and calculate the cost here:
Electricity Running Cost Calculator | Electricity Prices | Electricity Costs

I'm not sure if Cisco devices all the power available always, but, noting the relatively small size of the CPU, I would assume that the difference in power consumption between a device under load and a state of non-use would be relatively small.

This also may help:
https://learningnetwork.cisco.com/thread/14354