Devices that run 24/7 are always worth checking, since they consume a lot over time, one watt at a time!
My router is technicolor from Plusnet, just like this one. I plugged it to the greenenergy monitor and found that my router is using 5 Watts an hour. It's on all the time, so I guess in total it'll be using 0.12 kWh per day.
Is this good? does your wifi router consume a lot less than mine?