How Many Solar Panels Do I Need To Power My House

Take your system size and divide by the panel wattage to figure out how many solar panels you need in your system.

How many solar panels do i need to power my house.

This will tell you how many panels to use. The higher the wattage of the solar panels you install the fewer you ll need to cover your electricity usage. Assuming you are going to choose standard efficiency solar panels here are the most common sizes for residential solar systems and their kwh production potential to give you an idea of how many panels you would need to run a house. You will need a roof space of about 194 sq ft for a 3kw system.

So based on our example if a home used 11kwh of electricity per day it would need to install about eigjht 300 watt solar panels to generate enough power 11 1 35. 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. For the example if 500 watt panels were being purchased you would need 3 635 500 8 panels. The average american home needs 14 36 solar panels to power their home.

Compare solar quotes on the energysage marketplace customized to your property and energy needs. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels. A 3kw solar system which consists of 12 panels can produce an average of 4 200 kwh per year. If you live in a sunnier state less solar panels are needed to generate the electricity your home needs.

An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar. The number of panels you need for your house depends on factors like location and panel performance. More efficient solar panels means less solar panels are needed. But if you don t have those numbers handy this article offers ballpark system sizes based on familiar reference points like square footage or number of bedrooms in your home.

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. 5959w 335w 17 78 panels round up the final number since you can t buy partial panels. Different panels will have different watt ratings so you have choices about which ones to purchase. In this scenario we would need 18 panels rated at 335 watts apiece to cover our energy needs.