How Many Solar Panels For The Average Home

The exact number changes depending on the specifications of the chosen panel model as well as the sunshine available at the project site.

How many solar panels for the average home. Previous article how much does an acre of solar panels cost. Compare solar quotes on the energysage marketplace customized to your property and energy needs. Keep in mind that the amount of power your solar system can produce depends on how much sunlight your roof receives and your location. Kilowatt hours kwh are a measure of total electrical energy used or produced over a period of time.

To find this number nrel studied the residential solar market in california and found that the average solar installation hovered around 5 6 kilowatts kw equal to about 21 solar panels with a national average cost of 2 93 watt. A typical 7 2 kw system would require 20 solar panels if 360 watt solar panels were used. But as you can see from the data above how much electricity your house uses depends on everything from your local climate to how many televisions you have. This is the unit that you are billed for your electricity in.

The number of panels you need for your house depends on factors like location and panel performance. You will need a roof space of about 680 sq ft for a 10kw system. Depending on where you live the average 3 000 sqft house will need between 17 and 26 premium solar panels to supply 100 of its electricity needs. As we mentioned before don t assume your home is automatically the average.

If you multiply that by 30 you get 38 4 kwh per month and that s just one solar panel. A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year.