But how much electricity your solar panels produce depends on several factors.
Solar panels electricity generation kwh.
So the kwh divided by the hours of sun equals the kw needed.
Thus the output for each solar panel in your array would.
Let s estimate you get about five hours per day to generate that 30 kwh you use.
How much energy does a solar panel produce.
For the sake of example if you are getting 5 hours of direct sunlight per day in a sunny state like california you can calculate your solar panel output this way.
So if you have solar panels that each produce 1 kwh of power per day you would need a full 37 solar panels to fully power your home.
On average a normal household will use around 37 kwh per day.
So take 900 kwh and divide by the amount of kwh one solar panel produces over the course of a month 30kwh and you get a 30 panel installation.
Or 30 kwh 5 hours of sun 6 kw of ac output needed to cover 100 of your energy usage.
30 panels x 250 watts per panel equals a 7 500 watt system 7 5kw.