Tvs computers and other devices left plugged in but not turned on still draw power.
Solar panel appliances calculator.
Select appliance size power in watts hrs day total kwh select ac window 10k btu ac window 12k btu ac window 6 5k btu cell phone charger clothes dryer gas clothes dryer electric coffee maker computer w 17 in.
Open or download the excel spreadsheet.
Off grid solar load calculator one of the most important things to do before going solar is to calculate the amount of electricity you are currently using.
You will use this information to determine the size of solar power system you will need.
Only enter data into the pale orange columns.
However for the most accurate information look on your appliance to find its wattage rating or it amperage rating and then multiply that by its voltage to approximate its wattage.
Off grid solar system sizing calculator note.
This step by step solar power calculator offers a guideline for typical appliance ratings and sizing of solar systems.
To the right will appear typical wattage values for the appliance you selected.
To estimate the number of hours that a refrigerator actually operates at its maximum wattage divide the total time the refrigerator is plugged in by three.
Select the appliances from this drop down menu.
Our solar load calculator can help you calculate your system load.
Insert all figures in decimal eg 2 or 1 5.