Canadian Solar vs Haitai Solar - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 16 models). Canadian Solar leads on peak efficiency at 24.40%. Haitai Solar leans bifacial (100% 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
Haitai Solar, founded in 2006, is a high-tech enterprise focused on green energy, covering nine major business segments including PV modules, PV power stations, PV mounting systems, energy storage, hydrogen energy, wind energy, PV cells, graphite/Carbon electrodes, and battery swapping. The company is committed to...
- Founded
- 2006
- Headquarters
- Tangshan, China
- Annual capacity
- 10 GW/year
- Employees
- 1001-5000
- 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%+
Haitai Solar offers more 600W+ panels (44% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>TOPCon</strong> (56%)
The flagships
Written summary
Canadian Solar was founded in 2001 by Dr. Shawn Qu and is headquartered in Kitchener, Canada, although the bulk of its manufacturing takes place in China. The company has long held Tier 1 bankability status on Bloomberg New Energy Finance's list, with annual module manufacturing capacity exceeding 51 GW and shipments of roughly 24 GW in 2025, putting it among the largest global module suppliers with a Nasdaq listing and a deep track record in bank-financed utility projects. Haitai Solar, a Chinese manufacturer founded in 2006 and headquartered in Tangshan, Hebei province, listed on the Beijing Stock Exchange in 2022, is also recognized as Tier 1 by BNEF, but its production capacity sits at roughly 8 to 10 GW annually, a fraction of its competitor's scale. On institutional footprint and financing track record, Canadian Solar clearly outweighs Haitai.
Canadian Solar's core lineup includes the HiKu, TOPHiKu6 and bifacial BiHiKu series aimed at both residential rooftop and utility-scale ground-mount projects, alongside the HJT-based HiHero series targeting higher-efficiency premium applications. Haitai Solar focuses on TOPCon dual-glass modules, including its 182 and 210 series, serving commercial and utility installations, while also branching into energy storage and its own PV power plant development. Both companies therefore compete in overlapping segments, though Canadian Solar's product range is broader and more diversified across cell technologies.
For a typical international buyer, whether a residential installer or a utility-scale developer, Canadian Solar remains the safer default choice given its longer track record, larger production scale and well-documented history in bank-financed projects. Haitai Solar is worth considering where price and modern TOPCon technology are priorities, but its shorter operating history and lower brand recognition outside China warrant extra diligence on long-term warranty support.
Generated by Claude Sonnet 5 · 2026-09-28
Other brand comparisons
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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.