Photovoltaic (PV) systems have become significantly less expensive in recent years. Nevertheless, a certain amount of money must still be invested in the technology and installation. The return on investment typically takes more than ten years. It is therefore advisable to consult experts before making a decision, in order to obtain reliable information about the pros and cons of photovoltaics—and especially to determine whether additional battery storage is worth it or not.

In general, the most variable factor for a PV system is sunlight. It is clear that the spring and summer months, as well as the hours around noon, are the most productive. However, due to rising electricity prices in the market and technological advances in solar modules, other times of day and seasons can also be “productive”: a PV system also generates power when there is no direct sunlight, for example on slightly cloudy days (even if production is lower than on a clear day). Furthermore, roof surfaces that are not perfectly oriented or sloped can also be profitable.

In short, installing solar panels on the roof of your home allows you to generate your own renewable energy, help protect the climate, and save money.