The intensity of the sunlight depends on where you live the orientation and tilt of your 5kw solar panel installation optimized by your solar installer the number of daylight hours governed by where you live.
Average solar panel output per day australia.
A typical australian house consumes around 18 kilowatt hours kwh per day so a 1 2kw system displaces an average of 25 40 of your average electricity bill.
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.
The table below shows the average daily production of some common grid connected systems throughout australia.
For example a 2kw system will generate approximately 8 kwh of power on an average day.
If panels point straight west or east are tilted to low or to high a further reduction in output of up to 15 can occur.
5kw solar system output per day depends upon 8 factors.
5 hours x 290 watts an example wattage of a premium solar panel 1 450 watts hours or roughly 1 5 kilowatt hours kwh.
How much energy does a solar panel produce.
The infographic below shows the effect of efficiency factors on panel output.
It is estimated that 1kw of solar panels can generate up to 1321kwh of electricity annually and on average 3 62kwh of electricity per day see the calculator on this page for more details.
You d need approximately 20kw of solar panels to produce 100kwh of power per day.
Solar panels produce more energy in summer than they do in winter.
A panel rated at 250 watts will likely only produce 186 7w of electricity per hour of sunlight.
Using this figure a simple yet effective way to estimate the output of a solar system that is installed is to multiply the system size by 4.
Thus the output for each solar panel in your array would.
However keep in mind that there are many factors at play here so this is really only a rough estimate.
Electricity output of a typical solar panel.
Each of these efficiency losses and de ratings are included in the calculation of output for a solar panel.
On average a normal household will use around 37 kwh per day.
A 2kw system should output on average 7 8 kwh per day and a 10kw system 39 kwh per day.
The solar output for melbourne is reasonably good in the area because of its location and weather conditions.
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.
The amount of sunlight your solar panels are exposed to.
So if you have a 7 5 kw dc system working an average of 5 hours per day 365 days a year it ll result in 10 950 kwh in a year.