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.
Solar panel roof size calculator uk.
Enter your postcode in the box above and instantly compare solar panels from local solar installers.
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.
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.
Roof pitch 45 degrees is the optimum angle to catch the most light as the sun moves through the sky throughout the day.
Optionally select your own roof on google maps to refine the results for your own roof.
Find out what the new feed in tariff means for you.
To calculate the number of panels you need divide the hourly energy usage of your home by the wattage of the solar panels.
Pick the right solar system for you.
In this case each panel takes up roughly 1 239 1 44 square meters of space.
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.
Solar panels for households typically come in the standard dimensions of 1 70m x 1 00m that s around 1 7m2 for every panel installed however the wattage output w of the panels will likely vary between 250w and 360w for a more efficient module.
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.
Go ahead get started.
Explore the solar potential of your own roof.
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.
Will that many panels actually fit on your roof.
For a 19 72 square meter roof you could install a maximum of 12 15 solar panels.
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.
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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.
First we need you to enter your address details so we can estimate your sunlight hours.
2 select roof area.
Solar income roi calculator solar system based on roof size.
