How Many Solar Panels Do I Need For My House

Lastly let s assume you pay the national average rate for electricity which is 13 3 cents kwh.

How many solar panels do i need for my house. You can play with different wattages so you check the difference. Here s how many solar panels you would need based on your average monthly electric bill. A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year. You will need a roof space of about 680 sq ft for a 10kw system.

Keep in mind that the amount of power your solar system can produce depends on how much sunlight your roof receives and your location. 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 do i need to eliminate my electric bill. These rough calculations show how the mentioned factors affect the number of panels needed to cover 100 of your energy demand.

With those two numbers an average u s. Home will need between 33 and 26 solar panels of 250 watts. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels. An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar.

Follow along to calculate the amount of solar panels your specific home will need.