How Much Solar Panel Do I Need For My House

The amount of energy your home uses over a certain timeframe say a month is measured in kilowatt hours kwh.

How much solar panel do i need for my house.

Assuming you are going to choose standard efficiency solar panels here are the most common sizes for residential solar systems and their kwh production potential to give you an idea of how many panels you would need to run a house. The northern sky will usually not produce very cost effective energy from even the most efficient solar panels. See how many panels you can fit on your roof using our solar panel drawing tool. The typical homeowner will need 28 34 solar panels to cover 100 of their energy usage dependent on location and roof size.

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. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels. How many solar panels do i need to power my house. A 3kw solar system which consists of 12 panels can produce an average of 4 200 kwh per year.

Most of the time there is enough roof space for all the solar panels you need. The exact number changes depending on the specifications of the chosen panel model as well as the sunshine available at the project site. We do not recommend putting solar panels on northern facing roofs facing from azimuths 285 to 80.