Canadian Solar vs S-Energy - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 91 models). Canadian Solar leads on peak efficiency at 24.40%. S-Energy leans bifacial (77% 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
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> (59%)
The flagships
Written summary
Canadian Solar is a Canadian-headquartered module manufacturer founded in 2001 and listed on NASDAQ since 2006, with global production capacity reported around 61 GW as of 2025. The company appears on S&P Global Commodity Insights' Tier 1 Cleantech Companies list for both PV modules and battery energy storage, making it one of the more bankable names for lenders financing utility-scale projects. S-Energy, by contrast, traces its roots to Samsung Electronics' original solar division, spun out as an independent Korean company in 2001 and listed on the KOSDAQ exchange in 2007 as Korea's first publicly traded renewable energy firm. S-Energy is also recognized as Tier 1 by BloombergNEF, but it operates at a far smaller scale, with a few hundred employees and a regional rather than global manufacturing footprint. On institutional strength and financial scale, Canadian Solar clearly has the stronger footprint.
Canadian Solar's residential lineup splits between the HiKu6 series, built on older PERC cells for budget-conscious buyers, and the TOPHiKu6 series, which uses N-type TOPCon cells reaching up to roughly 23% efficiency and suits space-constrained roofs. For utility-scale and C&I projects, its BiHiKu/TOPBiHiKu bifacial modules can lift energy yield by up to 30% under favorable conditions. S-Energy's catalog centers on smaller residential and commercial installations, with half-cut PERC modules up to about 380 W, alongside a newer TOPCon bifacial commercial line rated 605-625 W and up to 22.4% efficiency, aimed at ground-mount and larger C&I sites.
For a typical international buyer, Canadian Solar is the safer default given its global manufacturing scale, financial depth, and broader warranty support network that eases project financing. S-Energy can be a reasonable option where a specific bifacial model fits the project, but buyers should weigh the company's reported financial losses since 2017 against long-term warranty confidence before committing to large installations.
Generated by Claude Sonnet 5 · 2026-08-13
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.