Derick wrote:I live in Perth, and was told that my 5Kw system would produce 40KWh of power per day in the summer and 20-odd in the winter. Yesterday it produced 22KWh for the day, which I am mighty dissappointed with to be honest. All my panel are North facing. Can anyone give me any assistance as to what a 5Kw system should produce in Perth in the middle of summer? Between 11:30-13:30, power generation peaked at 3170w. I perhaps foolishly assumed that at the top of the day in a February heatwave that I would have been producing 5000w from my roof?
Hi Derick ,
I live in Perth as well and have a 4.2KW system , all panels facing West so not as ideal as yours.
At 1.00pm it was 3477W which is about normal , but keep in mind heat is Solar Powers worst enemy! they thrive on clear sunny days with a cool breeze so your best output over here will be between November and January , Feb is when you see it really start to tapper off especially in the awful hot still conditions we have had , it will be at it's worst in June / July .
Today was very clear 34 Deg with a slight cool breeze so you should have been seeing well over 4000W and up to 4400W today around Midday so there is something very wrong with your system , I would be getting it checked out straight away.
Even in the best weather you will never see 5000W , but there are times called the cloud edge effect that will make it spike that high , If you ever see 4500W that would be perfect taking into account very minimal 10% loses.
If your system is working perfectly you should see up to 36Kwh on a perfect day in December ,but in the middle of winter June / July you will see days as low as 12kwh , yesterday mine peaked at 3344W and produced 22.92Kwh for the day and remember mine is facing West so yours should have made around 25 to 26Kwh.