I have 21 panels as well, but they are 7 year old technology (220W) with 7 years of wear and tear. I only see a max of about 26-27kWh / day in June/July and my best days around now are only 12kWh.
Did a little analysis of my 6 year history here:
I have 21 panels as well, but they are 7 year old technology (220W) with 7 years of wear and tear. I only see a max of about 26-27kWh / day in June/July and my best days around now are only 12kWh.
Did a little analysis of my 6 year history here: