20kw off grid solar panel system for private home in Switzerland

The house installed 48 pcs of Longi Full Black Solar Panels with a total of 20,400 wp. 

The inverter: 4pcs Growatt SPF 5000ES. This system is also installed with 4x 10kWH batteries for energy storage during the day, to be used at night.

The system is totally off grid  , all the solar energy will go to home application consumption .