How To Size A Solar Panel System For My Home

For a 10 kw system size using low efficiency panels your system will occupy around 612 sq ft.

How to size a solar panel system for my home.

Determine how many solar panels you ll need. However the wattage output w of the panels will likely vary between 250w and 360w for a more efficient module. 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 total number of solar panels for your system.

Solar panels for households typically come in the standard dimensions of 1 70m x 1 00m that s around 1 7m2 for every panel installed. And for highly efficient panels it reaches down to 448 sq ft. Though it is certainly possible to install a solar system and then add more panels later on to. But if you used medium efficiency panels that number lowers to 508 sq ft.

As a guide you ll need 4 x 250w panels or 3 x 330w for every 1kw of your solar system. One solar panel produces about 1 24 kwh per day. 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. Then divide the kw output by your panel s efficiency to get the estimated number of solar panels you ll need for your system.

To cover that energy need.