Pick the right solar system for you.
Solar panel roof size calculator uk.
To calculate the number of panels you need divide the hourly energy usage of your home by the wattage of the solar panels.
Roof pitch 45 degrees is the optimum angle to catch the most light as the sun moves through the sky throughout the day.
Solar income roi calculator solar system based on roof size.
Set the direction of your solar panels by dragging the green arrow.
2 select roof area.
For a 19 72 square meter roof you could install a maximum of 12 15 solar panels.
Factors that affect energy production include location the roof pitch shading and the installation size our solar rate calculator takes all of these details into account.
Optionally select your own roof on google maps to refine the results for your own roof.
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.
First we need you to enter your address details so we can estimate your sunlight hours.
Go ahead get started.
Use this calculator to quickly estimate how many large solar panels you could fit onto a roof and roughly calculate how much power they could generate kwhrs.
Enter your postcode in the box above and instantly compare solar panels from local solar installers.
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.
Pv solar panels tend to vary between 150w to 345w per panel depending on the size of it and the cell technology use to create each of the modules.
Explore the solar potential of your own roof.
You might know the square footage of your house but that doesn t tell you the area of roof that s available to fit solar panels.
View 100 solar panel quotes online.
In this case each panel takes up roughly 1 239 1 44 square meters of space.
The average solar panel is 78 74 x 157 48 centimeters which you can use to roughly calculate how many panels your roof will hold.
A 5kw solar system may produce enough energy to power your home but you may not have enough roof space for a system of that size.
The number of panels the roof layout the overall system size allowing space for roof mounting equipment and example power output figures kwhrs are provided for each system.
If you used the solar nerd calculator you ll have an estimate of how many solar panels you need to generate all of your electricity but then the question is.
