How Many Solar Panels For The Average Home

This is the unit that you are billed for your electricity in.

How many solar panels for the average home.

Keep in mind that the amount of power your solar system can produce depends on how much sunlight your roof receives and your location. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels. Previous article how much does an acre of solar panels cost. You will need a roof space of about 680 sq ft for a 10kw system.

An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar. If you multiply that by 30 you get 38 4 kwh per month and that s just one solar panel. A typical 7 2 kw system would require 20 solar panels if 360 watt solar panels were used. As we mentioned before don t assume your home is automatically the average.

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

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. Kilowatt hours kwh are a measure of total electrical energy used or produced over a period of time.