Divide average monthly power consumption by average monthly power generation to get kilowatt of solar panels 900 kwh 115 kwh 7 82 kw of solar panels.
How many solar panels to power an average house.
You will need a roof space of about 680 sq ft for a 10kw system.
Compare solar quotes on the energysage marketplace customized to your property and energy needs.
So how many solar panels can power an average house for a general idea.
An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar.
But do you consider your home average.
The number of panels you need for your house depends on factors like location and panel performance.
In the united states the average home consumes about 10 400 kilowatt hours khw of electricity each year.
If you multiply that by 30 you get 38 4 kwh per month and that s just one solar panel.
You will need a roof space of about 340 sq ft for a 5kw system.
That means a single solar panel could collect about 1280 watts or 1 28 kwh per day.
If you are looking to heat water for the average family of four two solar thermal panels would be needed garrison explained.
A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year.
Assuming a homeowner used the national average of 911 kwh per month they would need about 24 solar panels to supply their house with electricity.
Such a house generally needs about 16 panels to completely cover electrical power needs.
A 5kw solar system which consists of 20 panels can produce an average of 7 000 kwh per year.
Unfortunately there is no average house with appliances all being different in energy consumption patterns there is no straight answer to that question for every household.