Determining Solar Panel Size

Sunpower panels are 61 3 inches by 41 2 inches.

Determining solar panel size.

Calculate your kwh usage gather the kilowatt hours kwh usage from your electric bill. The size available needs to be divided by the size of the solar panel that is going to be used. The roof size available for setting up the solar panel would need to be ascertained in square feet. The size of a solar panel is a huge determining factor for placement production and optimization.

You ll want to have full 12. Orientation plays an important role especially if the roof size is small or not of a usable geometric shape. There is some variation from brand to brand and if you re installing a large scale solar panel system such as for a warehouse or a municipal building your panels will be closer to 6 feet long. The average size of solar panels used in a rooftop solar installation is approximately 65 inches by 39 inches or 5 4 feet by 3 25 feet.

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. Look up your peak sun hours average peak sun. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels.