GadgetPower consumption (W)
on and
active
on but
inactive
standbyoff
Computer and peripherals:
computer box80552
cathode-ray display11030
LCD display3421
projector1505
laser printer50017
wireless & cable-modem9
Laptop computer1690.5
Portable CD player2
Bedside clock-radio 1.11
Bedside clock-radio1.91.4
Digital radio9.13
Radio cassette-player31.21.2
Stereo amplifier66
Stereo amplifier II130
Home cinema sound774
DVD player76
DVD player II12105
TV10010
Video recorder131
Digital TV set top box65
Clock on microwave oven2
Xbox1602.4
Sony Playstation 31902
Nintendo Wii182
Answering machine2
Answering machine II3
Cordless telephone1.7
Mobile phone charger50.5
Vacuum cleaner1600
Table 11.4. Power consumptions of various gadgets, in watts. 40 W is 1 kWh/d.