Absolutely, the material cost for such a system is about 7-10k strongly dependent on the battery. The other ~10k is for setting stuff up (which takes about 1-2days).
The small balcony systems can be setup by pretty much everyone. They also have the best ROI compared to bigger energy producers.
Ridiculously expensive when you compare to the prices of balcony solar systems which are just plugged intoa wall socket.
Absolutely, the material cost for such a system is about 7-10k strongly dependent on the battery. The other ~10k is for setting stuff up (which takes about 1-2days).
The small balcony systems can be setup by pretty much everyone. They also have the best ROI compared to bigger energy producers.