Load chart

Use the load chart to figure out how much power you want to use. Click on the title links for help. Be sure to fill in BOTH quantity and hours for the form to calculate total daily load!

Use the load chart to figure out how much power you want to use. Click on the title links for help.


Lights (wattage found on each bulb. Important Light Info)
Appliance Quant. Hours/Day Watts(typical wattage shown)
15 watts
20 watts
25 watts
Kitchen Appliances
Appliance Quant. Hours/Day Watts(typical wattage shown)
Refrigerator
Freezer
Microwave
Dishwasher
Toaster
Coffee Maker
Bathroom
Appliance Quant. Hours/Day Watts(typical wattage shown)
Curling Iron
Blow Dryer
Office
Appliance Quant. Hours/Day Watts(typical wattage shown)
Laptop Computer
Desktop Computer
Inkjet Printer
Laser Printer
Answering Machine
Living Space
Appliance Quant. Hours/Day Watts(typical wattage shown)
Television/VCR 19"
Sattelite Receiver
Radio
Tape/CD
Ceiling Fan
Utility
Appliance Quant. Hours/Day Watts(typical wattage shown)
Space Heater
AC Pump 1/3/1/2hp
DC Pressure Pump RV
Washing Machine
Vacuum Cleaner
Gas Clothes Dryer
Window Air Conditioner
Central Air Conditioner
Workshop
Appliance Quant. Hours/Day Watts(typical wattage shown)
Tablesaw 10"
Skillsaw
Drill 3/8"
Drill size 1/2"
Other
Appliance Quant. Hours/Day Watts(typical wattage shown)





Help

Appliance Name of the appliance that will be using the power, e.g. Refrigerator

Quantity How many of this appliance will be using power?

Watts How many watts does this appliance require?

Hours per day How many hours per day does this appliance run? (0-24)

Total Watt-Hours will be calculated when you submit the form


Watts per appliance x hours per day = watt-hours per day

Total watt-hours per day is a starting point for determining system size



More About Lights

Here are the equivalents for the popular light bulb wattages:

A 40 watt bulb uses 11 watts
A 60 watt bulb uses 15 watts
A 75 watt bulb uses 20 watts
A 100 watt bulb uses 25 watts