Canadian Solar vs SEG Solar - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 0 models). 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
SEG Solar is a vertically integrated solar photovoltaic module manufacturer headquartered in Houston, Texas, with manufacturing operations in the USA and Indonesia. The company serves utility, commercial, and residential markets, and by end of 2024 had shipped over 6 GW of modules globally. SEG Solar is one of the few...
- Founded
- 2016
- Headquarters
- Houston, United States
- Annual capacity
- 6+ GW/year
- 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%+
Canadian Solar offers more 600W+ panels (24% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
The flagships
Written summary
Canadian Solar is a Canadian-founded company established in 2001, with headquarters in Guelph, Ontario, and the majority of its manufacturing based in Asia. It holds Tier 1 bankability status from BloombergNEF and in 2025 was also named to the S&P Global Commodity Insights Premier List of Tier 1 Cleantech Companies. With a module production capacity that its FY2025 filings place at approximately 59 GW, it is consistently ranked among the five largest solar manufacturers in the world. SEG Solar is a Chinese-founded manufacturer that has made a notable push into U.S.-based production, operating multiple domestic factories and announcing plans to reach 10.6 GW of combined U.S. capacity - positioning it as the largest domestically manufacturing solar brand in America. SEG Solar has also earned a BNEF Tier 1 designation. In terms of global institutional footprint and two-decade track record, Canadian Solar carries the broader recognition.
Canadian Solar's product range spans residential, commercial, and utility-scale segments, with its TOPCon-based TOPHiKu6 line being among the most frequently quoted panels on installer platforms like EnergySage in 2025. The company also produces HJT modules under its HiHero brand for buyers seeking premium low-degradation performance. SEG Solar focuses its catalog around the Yukon N series, an N-type TOPCon lineup spanning monofacial, bifacial, and all-black configurations that targets mid-premium residential rooftops and utility ground-mounts. SEG's panels have received "Top Performer" recognition from PVEL and favorable ratings in PV Magazine tests, suggesting solid quality control relative to its price point.
For most buyers in 2025, Canadian Solar is the lower-risk default given its longer track record, wider installer familiarity, and deeper supply chain. SEG Solar is a compelling alternative - particularly for U.S. buyers seeking domestically manufactured panels to qualify for IRA-related incentives - but buyers should weigh its shorter history and rapidly evolving production footprint against those advantages.
Generated by Claude Sonnet · 2026-06-14
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.