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.
Different sized solar panels.
Nowadays the market is dominated by two solar cell sizes.
5 w x 5 l 6 w x 6 l.
Physically speaking the panels are about 65 inches by 39 inches for residential installations and they weigh about 40 pounds per panel.
There s going to be a bit of variation because manufacturers use different frame sizes.
This is technically linked to the thin film solar cell mentioned above.
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.
There are some differences in how they are created but they are considered to be in the same thin film category of solar cells.
39 x 66 3 25 feet x 5 5 feet 72 cell panels.
39 x 77 3 25 feet x 6 42 feet these are the standard solar panel sizes for most residential and commercial installations give or take an inch on either side.
Though not as common as 60 72 or 96 cell panels some solar panel manufacturers produce solar panels with half cut cells essentially doubling the number of solar cells within the panel.