The reason that solar installation in your home isn't doing all the amazing things you expect it to do is that you haven't estimated the exact battery inverter as well as solar panels that will supply all the power you need.
This estimation requires some inevitable calculation. This is because for the better calculation you will need to combine all the necessary devices, most appropriately, to achieve the optimal result. Now, let's break this down a little further. If you own a house and you have estimated your appliance load to be 100Watts, and you need this for ten hours daily, to achieve this, you need the best combination of solar panels and battery to be able to achieve this.