Canadian Solar vs TCL Zhonghuan - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 66 models). TCL Zhonghuan leads on peak efficiency at 24.60%. TCL Zhonghuan leans bifacial (65% 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
- Founded
- 1981
- Headquarters
- Tianjin, China
- Listed
- SZSE: 002129
- 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
TCL Zhonghuan skews to higher efficiency: 58% of lineup is 23%+
TCL Zhonghuan offers more 600W+ panels (55% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>Back Contact</strong> (45%)
The flagships
Written summary
Canadian Solar is a Canadian manufacturer headquartered in Guelph, Ontario, listed on NASDAQ since 2006 and one of the longer-established names in global PV manufacturing. It has been recognized on S&P Global Commodity Insights Tier 1 Cleantech lists for both 2025 and 2026, and it operates module production capacity of roughly 61 GW per year, having shipped close to 165 GW of modules cumulatively worldwide. TCL Zhonghuan is a China-headquartered producer based in Tianjin, tracing its roots to Tianjin Zhonghuan Semiconductor founded in 1958, and it is today one of the world's largest monocrystalline silicon wafer suppliers as well as a BloombergNEF-confirmed Tier 1 bankable module maker, with module capacity recently expanded to around 35 GW per year, the largest single capacity jump on BloombergNEF's rankings in a recent quarter. In terms of institutional footprint, Canadian Solar carries a longer public-markets track record and broader brand recognition in Western markets, while TCL Zhonghuan holds a deeper upstream position through its wafer manufacturing heritage.
Canadian Solar's product range spans N-type TOPCon modules under the TOPHiKu and TOPBiHiKu families, including bifacial variants rated up to 690 W, alongside HJT modules in its HiHero line and legacy PERC panels under the HiKu series aimed at residential rooftops. This breadth lets the company serve everything from small home systems to commercial and industrial (C&I) installations and utility-scale ground-mount projects. TCL Zhonghuan's module business centers on TOPCon cell and module technology, and as of 2026 the company has begun converting roughly 20 GW of TOPCon cell capacity toward back-contact (BC) technology, signaling an aggressive technology roadmap, though its module brand carries less name recognition among installers outside China than Canadian Solar's.
For a typical international buyer, particularly for smaller rooftop or commercial projects, Canadian Solar remains the more conservative default choice given its longer track record, established local distribution and warranty support in many markets. TCL Zhonghuan is worth considering for buyers prioritizing cutting-edge cell technology or upstream wafer-linked supply security, but for most purchasers the two brands are broadly comparable in Tier 1 bankability and baseline product quality, making the choice largely one of product fit and local availability rather than manufacturer risk.
Generated by Claude Sonnet 5 · 2026-08-25
Other brand comparisons
Shop prices: See 39 Canadian Solar offers · See 20 TCL Zhonghuan 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.