What Size Solar System Do I Need To Run My House

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

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

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. Check out our solar generator guide. Alternatively you can purchase a solar generator with the amount of watts you need.

Keep in mind that the amount of power your solar system can produce depends on how much sunlight your roof receives and your location. How many solar panels do i need to power my house. To get these numbers we used high and low panel production ratios to calculate how many solar panels are needed on average. 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.

For this example you will need at least a 1 100 watt solar generator. 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. The typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size. 6 2 kwh x 1000 convert to watts 6200 watts solar panel required.

In seattle you d need a 4 75 kw installation about 18 panels.