The calculations would be like this.
How much energy does one solar panel produce per day.
5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh.
As of 2020 a typical solar panel produces around 320 watts of power but panels come in many different wattage ratings and finding one that produces exactly 320 watts is rare.
The top 10 residential solar panels for 2020includes panels rated to produce anywhere from 285 watts to 360 watts.
For example the standard panels produce an average of 1 1 5 kwh per day.
The next step is to know how much electricity an average solar panel produces.
A common size solar panel array is usually around 5kw and takes up around 400 square feet of space.
If you take 1 5kwh as the average then you will require at least 47 panels.
On average a normal household will use around 37 kwh per day.
An array of this size can produce an average of 350 850 kwh of ac energy per month.
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.
1 kw of solar panels is equal to 3 solar panels each of 330 watts.
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.
However keep in mind that there are many factors at play here so this is really only a rough estimate.
So we can say one solar panel approximately produces 1 33 units of electricity in a day 40 units of electricity in a month and 480 units of electricity in a year.
Therefore it is very possible to generate enough energy to cover 100 of your needs.
On an average during sunny days 1 kilowatt kw of solar panels generate 4 kwh units of electricity in a day.