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 CS3W-445MS (445W, 20.79%) is a Monocrystalline photovoltaic module. Electrical: Voc 48.9V, Isc 11.54A, Vmp 40.9V, Imp 10.89A. Temp coeff -0.395%/°C.