Canadian Solar, founded in 2001 and headquartered in Guelph, Ontario, is one of the few solar manufacturers with significant North American production capacity. Canadian Solar's CS3L-325P leverages Monocrystalline technology to achieve 18.16% module efficiency and 325W maximum power. Key specs: Voc=39V, Isc=10.74A, Vmp=32V, Imp=10.16A. Warranty: 25 years.