Electricity usage is a matter of wattage and operation time. Remembering this fact is the first step toward lowering the amount of electricity your refrigerator uses. Refrigerators can use between 300 and 800 watts.
Energy Use of Common Dorm Room Appliances. Product. Active. (watts). (watts
Common Appliances, Estimated Watts, Suggested Inverters. Microwave (600-
How Much Power Do Your Appliances Use? Buy A Kill-A-Watt. . And last but not least, consider a smaller unit because, with refrigerators, bigger is not better.
Power Consumption Of Dorm Refrigerators And Mini Fridges.. . Your refrigerator is not going to consume this much power all the time, as the defrost heater .