The special definition of "balcony solar" is that it avoids most of those requirements. It seems this is usually done by adding a clamp meter to the input to th

The special definition of "balcony solar" is that it avoids most of those requirements. It seems this is usually done by adding a clamp meter to the input to the house, which sends a control signal to the panel inverter over Wifi to reduce output if it would be feeding back. (this is country dependent)