Canadian Solar vs Exiom - solar panel manufacturer comparison

Canadian Solar is a Canadian solar module manufacturer founded in 2001 by Dr. Shawn Qu, headquartered in Guelph and, since 2025, also in Kitchener, Ontario. The company holds BloombergNEF Tier 1 bankability status, operates with an annual production capacity of roughly 61 GW, has shipped over 142 GW of modules worldwide to date, and employs more than 15,000 people across 20 countries. Exiom Solution, by contrast, is a much smaller Spanish manufacturer headquartered in Oviedo, Asturias, founded in 2009 and also rated Tier 1 by BloombergNEF; it is currently building a 500 MW module factory in Langreo in partnership with Iberdrola. In terms of scale and institutional footprint, Canadian Solar is clearly the more established player, though both brands carry enough bankability to satisfy project financiers.

Canadian Solar's product range spans residential rooftop panels, commercial C&I modules, and utility-scale offerings, with an increasing share of TOPCon technology (including the TOPBiHiKu and TOPCon 3.0 lines, up to 670 W) and HJT modules positioned at the premium end. Exiom is oriented mainly toward B2B customers - commercial, industrial, and to a lesser extent residential installations - with panels ranging from 270 W to 605 W, a portfolio still dominated by PERC cells but with a growing TOPCon and bifacial share. Both brands are actively distributed in European markets including Poland, where Exiom is often marketed with an extended 30-year product warranty.

For a typical international buyer, Canadian Solar is the safer default choice given its longer track record, larger manufacturing base, and broader technology mix spanning residential to utility-scale. Exiom remains a credible alternative, particularly for buyers who value a European-made product and longer warranty terms, though its smaller production scale means less flexibility for very large-volume orders.

Generated by Claude Sonnet 5 · 2026-09-18