Because panels come in a wide range of wattages we ve run the numbers for two different panel sizes.
How many solar panels to power my home.
A 5kw solar system which consists of 20 panels can produce an average of 7 000 kwh per year.
Before purchasing a solar energy system for your home an important step is finding out how many solar panels you need.
Compare solar quotes on the energysage marketplace customized to your property and energy needs.
If you consume 914 kwh per month in north carolina you could need a 6 5 kw solar system to potentially offset 100 of your current electric bill which is equal to about 20 3 solar panels.
You will need a roof space of about 340 sq ft for a 5kw system.
A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels.
The average american home needs 14 36 solar panels to power their home if you live in a sunnier state less solar panels are needed to generate the electricity your home needs more efficient solar panels means less solar panels are needed high efficiency panels are necessary when installing solar panels on a small roof.
The number of panels you need for your house depends on factors like location and panel performance.
A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year.
An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar.
In all cases the tables shown reflects how many solar panels you would need to fully power an average american home based on the data available to us.
You will need a roof space of about 680 sq ft for a 10kw system.