Calculate Solar Panel Size Your Home

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Calculate solar panel size your home.

Our solar savings calculator provides more accurate cost and savings estimates by analyzing your current electricity bills rooftop and solar pricing in your area. Fill out the load evaluation calculator. 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. These should only be used as rough estimates and may be incomplete.

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. 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. 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. Then divide the kw output by your panel s efficiency to get the estimated number of solar panels you ll need for your system.

A solar installer would be able to provide you with a more accurate estimate. Our solar calculators estimate the solar cost and size of a solar project. 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. Steps to size your system for off grid.

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. Choose the inverter size. 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. 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.

Sunpower panels are 61 3 inches by 41 2 inches. Enter your zip code. Describe your shade coverage. Calculate off grid system size.

The number of solar panels of the size used in the calculation will theoretically meet that energy demand during a sunny day. Determine the number of panels you ll need. Figure out the array string size.