Canadian Solar Inc. (CSI) 545 Speedvale Avenue , West Guelph , N1K 1E6 Energy XPRT News Energy XPRT Downloads About Solutions products industries services Latest news Downloads Home Companies Canadian Solar Inc. (CSI) Locations Canadian Solar Inc. (CSI) Show or hide locations in map Headquarters Office locations Locations served Distributors Manufacturer Canadian Solar Inc. (CSI) Headquarters 545 Speedvale Avenue West Guelph ON N1K 1E6 Phone/Fax Number Contact supplier Contact supplier Loading... Drop file here or browse Great, file uploaded. Change File Drop file here or browse Yes, please send to similar suppliers. SEND Cancel and close