This is very much a fire and forget thing. Install takes 2 hours and then generates electricity for years. Electricity is rather cheap anyway. If you don't hea

This is very much a fire and forget thing. Install takes 2 hours and then generates electricity for years. Electricity is rather cheap anyway. If you don't heat/cool water or the house with it, electricity cost in Germany is less than 100 EUR per month for a family of 4.