Canadian Solar vs Top Solar - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 1 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
Shenzhen Top Solar Energy Co., Ltd. is a Chinese solar panel manufacturer specializing in monocrystalline, flexible, folding, and portable solar panels, as well as off-grid and on-grid solar power systems. The company has its own R&D teams and production lines, serving customers across the US, Europe, Japan, the...
- Headquarters
- Shenzhen, China
- Annual capacity
- <1 GW/year
- Employees
- 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>Back Contact</strong> (100%)
The flagships
Written summary
Canadian Solar is a Canadian-founded company established in 2001 by Dr. Shawn Qu, with corporate roots in Ontario and manufacturing spread across China, Southeast Asia, and the United States. It is publicly listed on NASDAQ and has consistently appeared on BloombergNEF Tier 1 lists as well as the S&P Global Commodity Insights Premier List of Tier 1 Cleantech Companies in 2025. With module manufacturing capacity reported at roughly 59 GW, it ranks among the largest vertically integrated solar producers in the world and is widely regarded as one of the most bankable brands available to project financiers and residential installers alike. Top Solar, by contrast, does not surface in major industry databases, Tier 1 lists, or established review platforms such as EnergySage or SolarReviews, making it impossible to verify its scale, bankability standing, or corporate profile from credible public sources.
On the product side, Canadian Solar's current lineup centers on N-type TOPCon technology through its TOPHiKu6 series, which achieves efficiencies up to approximately 22.5 percent and is backed by a 30-year performance warranty. The company serves both the premium residential rooftop segment and large utility-scale ground-mount projects globally through its HiKu and HiKu7 module families. Because no credible product data for Top Solar could be found through independent sources, any characterization of its typical use cases or cell technology would be speculative.
For a buyer making a purchase decision in 2025, Canadian Solar is the clear default choice between these two options. It carries documented Tier 1 status, broad installer availability, competitive pricing - averaging around $2.96 per watt according to SolarReviews data - and a long track record of post-sale warranty support. Top Solar cannot be recommended with confidence until independent reviews and verifiable company credentials become available.
Generated by Claude Sonnet · 2026-06-08
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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.