How Many Solar Panels Does A Family Need

How many hours of daily sunlight does your state receive.

How many solar panels does a family need. An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar. The number of panels you need for your house depends on factors like location and panel performance. A 5kw solar system which consists of 20 panels can produce an average of 7 000 kwh per year. You will need a roof space of about 340 sq ft for a 5kw system.

The average american home needs 14 36 solar panels to power their home. If you live in a sunnier state less solar panels are needed to generate the electricity your home needs. Compare solar quotes on the energysage marketplace customized to your property and energy needs. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels.

You will need a roof space of about 194 sq ft for a 3kw system. If you only want your solar panels to subsidise part of your home s electricity usage you can install a smaller number of solar panels. More efficient solar panels means less solar panels are needed. A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year.

Based on the example above if this household wants solar panels to cover just 70 of their home s electricity usage they d only need 6 solar panels 11 1 35 x 0 7. The exact number changes depending on the specifications of the chosen panel model as well as the sunshine available at the project site.