Canadian Solar vs Deye - 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
Ningbo Deye Technology Co., Ltd. is a comprehensive technology manufacturing enterprise integrating R&D, design, production, sales, and service. The company has four core industrial chains: solar inverter systems, solar air conditioner systems, solar energy storage batteries, and dehumidifiers. Deye's products are...
- Founded
- 1990
- Headquarters
- Ningbo, China
- Annual capacity
- 5+ GW/year
- Employees
- 5000-10000
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 was founded in 2001 and is headquartered in Guelph, Ontario, Canada, with the majority of its manufacturing concentrated in China. The company has traded on the NASDAQ since 2006 and consistently holds Tier 1 bankability status, appearing on BloombergNEF's module rankings as well as the S&P Global Commodity Insights Premier List of Tier 1 Cleantech Companies for 2025. Its module manufacturing capacity stood at approximately 59 GW as of mid-2025, with actual shipments reaching 31.1 GW in 2024, placing it among the top global module suppliers by volume. Deye - formally Ningbo Deye Technology Co., Ltd. - is a Chinese manufacturer founded in 2007 and headquartered in Ningbo, Zhejiang; however, industry coverage consistently categorizes Deye as an inverter and energy storage system maker, not a solar module producer, and no evidence of a Deye-branded solar panel line appeared in available trade and industry sources. On institutional footprint in the solar panel market specifically, Canadian Solar holds an overwhelming advantage.
Canadian Solar's current product families center on its HiKu and TOPHiKu series, which employ TOPCon cell technology and serve residential rooftops - including an all-black aesthetic variant - as well as commercial installations and large-format utility-scale ground mounts. Deye's published catalog covers hybrid string inverters, on-grid and off-grid inverters, microinverters, and battery storage systems targeting residential, off-grid rural, and commercial/industrial applications. Its energy storage products have earned approvals such as the MOSAIC Approved Vendor List in the United States. The two brands, in other words, occupy different rungs of the solar value chain and do not compete in the same product category.
For a buyer in 2025 specifically shopping for solar modules, Deye does not offer a relevant competing product, and Canadian Solar is the default choice by default - backed by Tier 1 bankability, multi-gigawatt scale, and a product range spanning residential to utility projects. A buyer instead seeking an inverter or integrated storage system would look to Deye alongside competitors such as Sungrow or Growatt, a segment where Canadian Solar is not a primary player.
- Canadian Solar named to S&P Global Tier 1 Cleantech list 2025
- Canadian Solar Q4 and Full Year 2025 Results - shipment and capacity data
- Canadian Solar TOPHiKu6 All-Black review - TOPCon residential panel
- Deye at Solar Solutions Dusseldorf 2025 - inverter and ESS focus
- Deye launches 2 kWh hybrid ESS for residential off-grid PV
Generated by Claude Sonnet · 2026-06-13
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.