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 CS3N-420MS (420W, 21.32%) is a Monocrystalline photovoltaic module. Electrical: Voc 45.3V, Isc 11.74A, Vmp 38V, Imp 11.06A. Temp coeff -0.332%/°C.