f491b208_SolarWorld___Solar_glossary__o_called_stand_alone_systems__
[Off-grid] Rooftop installation
in this type of installation, supporting structures are installed above the roof covering and solar modules are fastened on top.
SolarWorld : Solar glossary
solar power systems which are not connected to an electricity network. The electricity produced is consumed or stored directly on site (so-called stand-alone systems).