Calculate Solar Panel Size Your Home

Typical residential solar panel dimensions today are about 65 inches by 39 inches or 5 4 feet by 3 25 feet with some variation among manufacturers.

Calculate solar panel size your home.

From there the calculator can work out how many solar panels you need to offset your power usage how much a solar system will cost based on prices of local solar. Our solar calculators estimate the solar cost and size of a solar project. Choose your mounting option. 3 x 1 3 3 9in this example you would need a 3 9 kw solar pv system to satisfy your home s energy needs.

Total number of solar panels to calculate the size of your solar photovoltaic system take your daily kwh energy requirement and divide by your peak sun hours to get the kw output you need. The los angeles solar panel savings calculator uses our database of electric rates from local utilities to convert your monthly power bill into how much electricity your home uses. Calculate off grid system size. Determine the number of panels you ll need.

The number of solar panels of the size used in the calculation will theoretically meet that energy demand during a sunny day. Compare with your consumption and costs and if it s what you are looking for then divide the power capacity by the nominal stc power of the solar panels somewhere between 350 400wp for your case. In the example above you would need 24 solar panels to account for 80 of your average consumption 29 6 kwh daily usage divided by 1 24 kwh per panel. Describe your shade coverage.

Fill out the load evaluation calculator. Sunpower panels are 61 3 inches by 41 2 inches. To figure out how to size your solar system take your daily kwh energy requirement and divide it by your peak sun hours to get the kw output. A solar installer would be able to provide you with a more accurate estimate.

Choose the inverter size. Then divide the kw output by your panel s efficiency to get the estimated number of solar panels you ll need for your system. Calculate the size of your solar system. Our solar savings calculator provides more accurate cost and savings estimates by analyzing your current electricity bills rooftop and solar pricing in your area.

Figure out the array string size. Likewise if you wanted to account for 100 of your daily kwh consumption you would need 30 solar panels 37 kwh daily usage divided by 1 24 kwh per panel. These should only be used as rough estimates and may be incomplete.