Off-grid Energy Calculator

Sizing your Battery Bank

Do you want to live off the grid but dont know where to start? You've come to the right place. Below, you can find 3 useful calculators that will give you a practical and quick summary of your energy needs.

Properly sizing your generator, inverter, and battery bank can save you tons of money in the long run. Please look over these calculators carefully. This form will help you determine your off grid electricity needs. Please spend some time here thinking and re-thinking your energy needs and wants. The more information you put down, the better your results.

Lighting watts:
Run this calculator to determine your battery storage needs (Only select what you want to be able to do on batteries over time).
# Bulbs Wattage Hours Used
# Bulbs Wattage Hours Used
# Bulbs Wattage Hours Used
# Bulbs Wattage Hours Used
# Bulbs Wattage Hours Used
# Bulbs Wattage Hours Used
If you have additional lighting appliances, please add them below.
Voltage    x  Amps    =  Watts 
Quantity Type: Wattage Hours Used
Quantity Type: Wattage Hours Used
Quantity Type: Wattage Hours Used
Kitchen watts:
Choose Kitchen options here
Freezer
Refrigerator Combo
Toaster Oven
Stove
Oven
Microwave
Include Coffee maker (standard)
If you have additional items that were not listed above, please add them below.
Voltage     x  Amps    =  Watts 
Quantity Name: Wattage  Hours Used
Quantity Name: Wattage  Hours Used
Quantity Name: Wattage  Hours Used
Household watts:
Choose and calculate household items
Vacuum Cleaner (Weekly)
Include Clock-Radio
Include Computer(s) and /or Laptop(s)
Include Home Theater Audio
Include Satellite Dish
Include Ceiling Fan
LCD TV
LCD TV
LCD TV
Fan ( Standard Room Fan)
If you have additional items that were not listed above, please add them below.
Voltage     x  Amps    =  Watts 
Quantity Name: Wattage  Hours Used
Quantity Name: Wattage  Hours Used
Quantity Name: Wattage  Hours Used
Miscellaneous and 240V loads watts:
Choose and calculate Miscellaneous items
Air Conditioner
Water Heater
Washer
Dryer
Well Pump
Booster Pump
If you have additional items that were not listed above, please add them below.
Voltage     x  Amps    =  Watts 
Quantity Name: Wattage  Hours Used
Quantity Name: Wattage  Hours Used
Quantity Name: Wattage  Hours Used
Battery Bank Sizing Results:
Thank you for taking the time to complete our Off Grid Sizing Calculator.
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