When running and not in sleep mode the 21.5" iMac uses 205 watts of power. The 27" iMac uses 310 watts. In sleep mode they each use around 2 watts.
Sleep Mode ≤ 4 watts on a personal computer and ≤ 2 watts with regards to a laptop
An Energy Star 15" monitor will use around 12 watts operating and around 1 watt or less in sleep mode.
A modern LCD screen in sleep mode consumes less than 2 watts. When in use, my 19" device consumes 150 watts according to the tag on the back.
An Energy Star scanner like the Kodak i5800 Scanner will use: Sleep Mode = 4 watts Running = 250 watts Standby = 1 watt Other scanners will vary greatly from these figures.
No more than 30 watts of power
No more than 30 watts of power
Belive it or not is does use up energy even if it is in sleep mode in order for it to not use any energy you have to turn it off.
45 watts
Hoovers use 1000 - 2000 watts
Abut 20 watts.
650 watts