Canadian Solar, founded in 2001 and headquartered in Guelph, Ontario, is one of the few solar manufacturers with significant North American production capacity. The Canadian Solar CS3U-385MS (385W, 20.05%) is a Monocrystalline photovoltaic module. Electrical: Voc 48V, Isc 10.09A, Vmp 40.2V, Imp 9.58A. Temp coeff -0.345%/°C.