When it comes to solar inverter sizing installers will take three primary factors into account.
Find solar panel size.
For example panasonic offers 96 cell panels which measure 41 5 x 62 6.
With a large usable roof area you can buy more larger panels at a lower cost per panel to get to your target energy output.
Those solar panels used for residential purposes range from 150 watts to 370 watts per panel depending on the panel size efficiency and cell technology.
If you have a small or odd shaped roof solar panel size is an important consideration when deciding on the size of a solar system.
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 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.
There are other panel size configurations on the market but they are much less common.
Solar panel size chart.
How to determine inverter 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.
However the standard 60 cell and 72 cell panel sizes are by far the most common in the industry.
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 size of your solar array your geography and site specific conditions.
Take these factors into account.
Small solar panels yet you can also find panels of 150 160 or 175 watts.
Solar inverters come in all different sizes big and small.