What Size Solar System Do I Need To Run My House

Updated june 25 2020 a typical american home will need 14 36 solar panels to cover their power bill and at least 227 square feet of rooftop space to accommodate the solar panels.

What size solar system do i need to run my house.

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 typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size. Now the answer to the question how much solar power do i need to run a refrigerator is not a simple answer because it is not a simple. To provide about 14 5 kwh of electricity each day in arizona you d need a 3kw solar installation or a system with about 12 solar panels.

Follow along to calculate the amount of solar panels your specific home will need. Alternatively you can purchase a solar generator with the amount of watts you need. 33 kwh 6 1 sun hours x 1 15 efficiency factor 6 2 kw dc solar system size required using the example above with a 6 2 kw dc system you can multiply this number by 1 000 to confirm that you need 6 200 watts of solar panels. You ll need 6 2 kw dc according to the formula.

For this example you will need at least a 1 100 watt solar generator. To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average. Check out our solar generator guide. You will need a roof space of about 680 sq ft for a 10kw system.

A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year.