f491b208_SolarWorld___Solar_glossary__o_called_stand_alone_systems__
[Off-grid] STC (standard test conditions)
standard test conditions are conditions under which a module or cell's electric and voltage characteristics are measured and then entered on the module data sheet. STC = 1,000 W/m², 25° C cell temperature, solar spectrum AM = 1.5.
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).