Photovoltaic planning - possible retrofitting of battery storage

Let's now assume a household consumption of 4000kWh

That is the consumption of the car alone. In addition, there is what the house requires.

But yes, economically, storage systems are often not sensible at the moment. However, with an increasing number of electric cars, this could change, especially if the used batteries then lead a stationary second life precisely in solar houses.

Definitely go to the Photovoltaic Forum with your planning. There you will get tips and above all the system that suits you + your house. (Not the seller's budget).

There you will also get contacts to supraregional solar installers who implement large quantities per year and can therefore offer good conditions.

With us, a 10kWp photovoltaic system through local solar installers would have cost just under €1,800 per kWp (without battery). Supraregional €1,185 per kWp. That quickly saves a good €6,000 on 10kWp.