Canadian Solar vs Selfa - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 34 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
Canadian Solar Inc. is a global renewable energy company founded in 2001. Headquartered in Kitchener, Ontario, it manufactures solar PV modules and provides battery energy storage solutions. The company also develops utility-scale solar power and battery energy storage projects.
- Founded
- 2001
- Headquarters
- Kitchener, Canada
- Annual capacity
- 51 GW/year
- Employees
- 17,113
- Listed
- NASDAQ: CSIQ
- Tier 1 bankable
- Yes
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
Canadian Solar skews to higher efficiency: 13% of lineup is 23%+
Canadian Solar offers more 600W+ panels (24% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>PERC</strong> (74%)
The flagships
Written summary
Canadian Solar is a Canadian-headquartered manufacturer, publicly listed on NASDAQ since 2006, that produces panels mainly through its Chinese factories along with a growing US manufacturing base, with module capacity targeted at over 50 GW by the end of 2025. It has consistently held Tier 1 bankability status on BloombergNEF's list and was named to S&P Global's Premier Tier 1 Cleantech Companies list for 2025 and 2026, reflecting a strong track record of non-recourse project financing across dozens of banks. Selfa GE S.A., by contrast, is a Polish manufacturer based in Szczecin with roots going back to 1932 and its own automated PV module production line launched in 2012; it is 100 percent Polish-owned and its modules are certified by Germany's VDE and Italy's KIWA Cermet, but the company operates at a fraction of Canadian Solar's scale and does not appear on global Tier 1 bankability lists. On institutional footing and financing scale, Canadian Solar clearly has the stronger position.
Canadian Solar's product range spans TOPCon modules (TOPHiKu6, TOPBiHiKu6/7, and the newer TOPCon 2.0/3.0 platforms) and increasingly HJT panels under its HiHero line, reaching up to 690 W with efficiencies as high as 24.8 percent, serving residential, commercial and utility-scale markets, and it has recently expanded into residential storage with the EP Cube system. Selfa's catalog is narrower, ranging from roughly 230 W entry-level modules to its flagship 550 W SV144M PREMIUM series built on N-type cells, and the company is oriented almost entirely toward the Polish residential and small-scale rooftop segment rather than utility projects.
For buyers prioritizing proven bankability, a wide efficiency range, and utility-scale or commercial deployment, Canadian Solar is the safer default. Selfa remains a reasonable choice for Polish homeowners who value a domestic supply chain and local service reach, though user feedback points to average efficiency and some quality inconsistencies relative to established international brands.
Generated by Claude Sonnet 5 · 2026-09-18
Other brand comparisons
Shop prices: See 39 Canadian Solar offers · See 7 Selfa offers
Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.