Living in Andalusia, in southern Spain, we average 300 days of sunshine per year. Last August I had a grid tied solar system installed that consists of 11 x 540w Monochrystalline panels. 1 x Fronius Symo Gen24 Plus 6kw Inverter. 1 x BYD HVM 16.6kWh Lithium Phosphate battery (LiFePo). 1 x...