Determining Solar Panel Size

Sunpower panels are 61 3 inches by 41 2 inches.

Determining solar panel size.

Look up your peak sun hours average peak sun. The size of a solar panel is a huge determining factor for placement production and optimization. The exact number changes depending on the specifications of the chosen panel model as well as the sunshine available at the project site. In our solar panel size guide we will highlight everything you should know about your solar panel sizing and possible power output.

Calculate your kwh usage gather the kilowatt hours kwh usage from your electric bill. Orientation plays an important role especially if the roof size is small or not of a usable geometric shape. You ll want to have full 12. The size available needs to be divided by the size of the solar panel that is going to be used.

Before you begin to size a solar system follow these steps to determine your home s average electricity consumption and pv needs. Typical residential solar panel dimensions today are about 65 inches by 39 inches or 5 4 feet by 3 25 feet with some variation among manufacturers. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels.