Standby = 0.5 Watt
Powered on, watching live TV, with audio level at 25 (comfortable listening level):
Average use = 52.5 Watt (backlight at 50% power)
Maximum = 86.7 Watt (backlight at 100% power)
Lowest = 26.0 Watt (backlight at 0% power)
Measured with Brennenstuhl PM 231 E.