The power consumption rate is 1200 Watts on a 120 Volt Input. There are 10 adjustable power levels and the microwave requires 1,100 watts to run. This Sharp Microwave is rated at 1000 watts, though actual power consumption will vary. The Sharp 1.5 Cu. Ft. Over-the-Counter Microwave Oven has a wattage of 1100 W and is not an energy star appliance. The microwave runs on 120 volts, and the cooking wattage is 1200.