Canadian Solar vs Huasun - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 126 models). Canadian Solar leads on peak efficiency at 24.40%. Huasun leans bifacial (90% 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
Huasun Energy is a global leader in heterojunction (HJT) solar technology, specializing in the R&D and large-scale production of ultra-high-efficiency n-type HJT products. They cover the entire value chain from silicon ingots and wafers to HJT cells and modules, delivering cutting-edge solutions for the solar...
- Founded
- 2020
- Headquarters
- Xuancheng, Anhui, China
- Annual capacity
- 20 GW/year
- Employees
- 2500+
- 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
Huasun skews to higher efficiency: 30% of lineup is 23%+
Huasun offers more 600W+ panels (28% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>HJT</strong> (75%)
The flagships
Written summary
Canadian Solar is a Canadian-headquartered module manufacturer founded in 2001 by Dr. Shawn Qu, originally based in Guelph, Ontario, with a new global headquarters opened in Kitchener in 2024. Listed on NASDAQ since 2006, it appears on S&P Global Commodity Insights' Tier 1 Cleantech Companies list and runs roughly 61 GW of annual module production capacity, making it one of the largest and most bankable names in the industry. Huasun Energy, by contrast, is a much younger company founded only in July 2020 in Xuancheng, Anhui province, and focuses exclusively on heterojunction (HJT) cell and module technology. Despite its short history, Huasun achieved BloombergNEF Tier 1 status and is widely described as the world's largest HJT manufacturer, with capacity pushing toward roughly 40 GW by the end of 2025. On institutional footprint and track record, Canadian Solar clearly has the deeper bench.
Canadian Solar's catalog spans residential (HiKu6 on PERC cells and TOPHiKu6 on TOPCon cells), commercial and industrial, and utility-scale projects paired with battery storage, making it a broad, one-stop supplier for buyers ranging from homeowners to utility developers. Huasun's lineup is narrower but more specialized, built entirely around HJT modules prized for higher conversion efficiency, better high-temperature performance and lower long-term degradation, which suits premium rooftop installations and large yield-focused projects, such as the Bulgarian plant cited as the world's largest HJT installation.
For a typical international buyer wanting a proven, diversified supplier with a long public track record across every market segment, Canadian Solar remains the safer default. Huasun is worth considering specifically where maximum efficiency per square meter of roof or strong heat tolerance matters more than decades of corporate history, since its technology leadership in HJT is well documented even though the company itself is comparatively new.
Generated by Claude Sonnet 5 · 2026-07-31
Other brand comparisons
Shop prices: See 39 Canadian Solar offers · See 4 Huasun 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.