That s approximately equal to the power of the sun at noon on a sunny day at the equator.
Solar panel power output per hour.
A peak sun hour is the equivalent of the sun shining at an intensity for 1 000 kw per square meter for one hour expressed as 1 kwh m.
What is the solar panel output of different modules based on their wattage rating.
It is equivalent to 1000 watts 1 kw of continuous power production over 1 hour.
With 4 panels you d get a kilowatt hour.
When we measure a solar panel s output over time we use the unit kilowatt hours kwh.
Therefore to figure out how much power the panel produces in a day simply multiply the 250 watts by 4 hours which comes to 1000 watts per day.
Now let s look at.
The us ranges from about 4 hours 6 hours of sunlight per day on average see the below map.
In the picture above the label shows an stc rating of 250 watts for the panel.
If that panel received full sun for one hour you d get 250 watt hours of electricity.
Now to figure out how much energy is produced per month multiply those 1000 watts by either 30 or 31 days depending on the month of course.
Or 30 kwh 5 hours of sun 6 kw of ac output needed to cover 100 of your energy usage.
If you know the average daily peak sun hours for your location you can calculate the kwh your solar panels will make on a daily monthly and yearly basis.
Putting it all together.
5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh.
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.