Energy Smart Charlotte provided a list of typical wattages of various appliances that most American households have. If you’re trying to decide whether to invest in a more energy-efficient appliance or you’d like to determine your electricity loads, you may want to estimate appliance energy consumption. Here are some examples of the range of nameplate wattages for various household appliances:

• Aquarium = 50–1210 Watts
• Clock radio = 10
• Coffee maker = 900–1200
• Clothes washer = 350–500
• Clothes dryer = 1800–5000
• Dishwasher = 1200–2400 (using the drying feature greatly increases energy consumption)
• Dehumidifier = 785
• Electric blanket- Single/Double = 60 / 100
• Fans
  • Ceiling = 65–175
  • Window = 55–250
  • Furnace = 750
  • Whole house = 240–750
• Hair dryer = 1200–1875
• Heater (portable) = 750–1500
• Clothes iron = 1000–1800
• Microwave oven = 750–1100
• Personal computer
  • CPU – awake / asleep = 120 / 30 or less
  • Monitor – awake / asleep = 150 / 30 or less
  • Laptop = 50
• Radio (stereo) = 70–400
• Refrigerator (frost-free, 16 cubic feet) = 725
• Televisions (color)
  • 19″ = 65–110
  • 27″ = 113
  • 36″ = 133
  • 53″-61″ Projection = 170
  • Flat screen = 120
• Toaster = 800–1400
• Toaster oven = 1225
• VCR/DVD = 17–21 / 20–25
• Vacuum cleaner = 1000–1440
• Water heater (40 gallon) = 4500–5500
• Water pump (deep well) = 250–1100
• Water bed (with heater, no cover) = 120–380

Source: U.S. Department of Energy