When it comes to solar inverter sizing installers will take three primary factors into account.
Find solar panel size.
The size of your solar array your geography and site specific conditions.
How to determine inverter size.
How big are solar panels.
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.
Solar inverters come in all different sizes big and small.
For example panasonic offers 96 cell panels which measure 41 5 x 62 6.
Take these factors into account.
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.
There are other panel size configurations on the market but they are much less common.
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.
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.
Solar panel size chart.
Choose the right solar panels.
Similar to solar panels the size of an inverter can be rated in watts w.
Small solar panels yet you can also find panels of 150 160 or 175 watts.