Canadian Solar vs Sunman - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 6 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
Sunman Energy is a technology company pioneering ultra-light, glass-free crystalline silicon solar modules under its proprietary eArc technology — the world's first such product, weighing up to 70% less than conventional glass panels. Founded by Dr. Zhengrong Shi (the founder of Suntech), the company targets niche...
- Founded
- 2014
- Headquarters
- Shanghai, China
- Annual capacity
- 1-2 GW/year
- Employees
- 51-200
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> (100%)
The flagships
Written summary
Canadian Solar is a publicly traded manufacturer founded in 2001 and headquartered in Guelph, Ontario, Canada, with its primary production operations based in China. It has been listed on the NASDAQ since 2006 and consistently appears on bankability rankings, including the S&P Global Commodity Insights Premier List of Tier 1 Cleantech Companies for 2025. The company has stated module capacity targets approaching 51 GW by the close of 2025, placing it firmly among the top tier of global manufacturers. Sunman Energy was founded in 2014 by Dr. Zhengrong Shi - a pioneer known for co-founding Suntech - and is headquartered in Australia, with manufacturing spread across China, a facility under construction in the United States, and a 500 MW plant announced for Australia's Hunter Valley. Sunman does not appear on the Bloomberg NEF Tier 1 list, reflecting its smaller scale and more specialized positioning. Canadian Solar holds the stronger institutional footprint by a wide margin.
Canadian Solar's product range spans a broad set of use cases. Its HiHero series uses heterojunction (HJT) cell technology and is aimed at premium residential and commercial rooftop buyers, while its TOPCon 2.0 line targets utility-scale and large commercial ground-mount projects. Both series carry extended performance warranties. Sunman, by contrast, has built its identity around a single differentiated technology: the eArc module, a glass-free polymer composite panel that is approximately 70 percent lighter than a conventional glass module. This makes eArc panels suited specifically to weight-constrained commercial rooftops, caravans, boats, and low-load structures where standard rigid modules cannot be installed.
For a typical buyer in 2025 - whether residential or utility-scale - Canadian Solar is the more straightforward default, given its broad product catalog, confirmed bankability, and deep installer network. Sunman is not a direct competitor in most segments; it is a specialist product solving a specific weight problem, and where that problem exists, it has few equals.
Generated by Claude Sonnet · 2026-06-06
Other brand comparisons
Shop prices: See 39 Canadian Solar offers · See 2 Sunman 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.