Power use of Televisions and Monitors LCD vs LED vs CRT
Television accounts for some 9.5% of the power used by the average Aussie home. I suspect that this portion is even higher in 'stand alone' home power systems since they would not be using air conditioners, electric heating etc. While LCD & Plasma televisions are more efficient than the old style CRT type televisions, the total power used has not decreased because the screen size is increasing and more households are getting multiple televisions.
Read more about power consumption of entertainment equipment.