--- title: "Canadian Solar vs DualSun - Brand Comparison | ComparePV" description: "Compare Canadian Solar vs DualSun solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/canadian-solar-vs-dualsun" --- # Canadian Solar vs DualSun Canadian Solar has the broader catalog (292 vs 6 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup). ## The two companies | Attribute | Canadian Solar | DualSun | | --- | --- | --- | | Country | Canada | France | | Headquarters | Kitchener | Marseille | | Founded | 2001 | 2010 | | Employees | 17,113 | 50-100 | | Annual capacity | 51 GW/year | | | Tier 1 | yes | | | Listed | NASDAQ: CSIQ | | | Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://dualsun.com](https://dualsun.com) | 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. DualSun is a French manufacturer specializing in hybrid solar panels that simultaneously generate electricity (photovoltaic) and hot water (thermal), marketed as PVT panels. The company produces both its flagship SPRING hybrid panel and the FLASH high-performance PV panel, with R&D based in Marseille and module... ## Catalog & Power | Measure | Canadian Solar | DualSun | Margin | | --- | --- | --- | --- | | Panel Models | 292 | 6 | +286 | | Max Power | 730 W | 500 W | +230 W | | Avg Power | 472 W | 442 W | +30 W | ## Efficiency | Measure | Canadian Solar | DualSun | Margin | | --- | --- | --- | --- | | Max Efficiency | 24.40% | 22.00% | +2.40 pp | | Avg Efficiency | 20.66% | 21.67% | +1.01 pp | ## Reliability & Warranty | Measure | Canadian Solar | DualSun | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.331%/°C | -0.313%/°C | +0.018 | | Bifacial Share | 133 (46%) | 2 (33%) | +12 pp | | Avg Warranty | 28.2 yrs | 30.0 yrs | +1.8 yr | ## Efficiency distribution Canadian Solar skews to higher efficiency: 13% of lineup is 23%+ | Efficiency band | Canadian Solar | DualSun | | --- | --- | --- | | \<20% | 128 (43.8%) | 0 | | 20-21% | 36 (12.3%) | 1 (16.7%) | | 21-22% | 41 (14.0%) | 4 (66.7%) | | 22-23% | 50 (17.1%) | 1 (16.7%) | | 23%+ | 37 (12.7%) | 0 | ## Power distribution Canadian Solar offers more 600W+ panels (24% of lineup) | Power band | Canadian Solar | DualSun | | --- | --- | --- | | \<400W | 104 (35.6%) | 0 | | 400-499W | 72 (24.7%) | 5 (83.3%) | | 500-599W | 45 (15.4%) | 1 (16.7%) | | 600-699W | 64 (21.9%) | 0 | | 700W+ | 7 (2.4%) | 0 | ## Cell technology Dominant cell tech: **PERC** (67%) Dominant cell tech: **TOPCon** (83%) | Technology | Canadian Solar | DualSun | | --- | --- | --- | | PERC | 195 (66.8%) | 1 (16.7%) | | TOPCon | 85 (29.1%) | 5 (83.3%) | | HJT | 12 (4.1%) | 0 | ## Top panels, Canadian Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [CS7N-730TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-730tb-ag) | 730 | 23.5 | -0.290 | Monocrystalline | | 2 | [CS7N-725TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-725tb-ag) | 725 | 23.3 | -0.290 | Monocrystalline | | 3 | [CS7N-720TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-720tb-ag) | 720 | 23.2 | -0.290 | Monocrystalline | | 4 | [CS7N-715TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-715tb-ag) | 715 | 23.0 | -0.290 | Monocrystalline | | 5 | [CS7N-710TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-710tb-ag) | 710 | 22.9 | -0.290 | Monocrystalline | | 6 | [CS7N-705TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-705tb-ag) | 705 | 22.7 | -0.290 | Monocrystalline | | 7 | [CS7N-700TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-700tb-ag) | 700 | 22.5 | -0.290 | Monocrystalline | | 8 | [CS7N-695TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-695tb-ag) | 695 | 22.4 | -0.290 | Monocrystalline | | 9 | [CS7N-690TB-AG](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-690tb-ag) | 690 | 22.2 | -0.290 | Monocrystalline | | 10 | [CS7N-675MS](https://comparepv.com/panel/csi-solar-co-ltd-canadian-solar-cs7n-675ms) | 675 | 21.7 | -0.340 | Monocrystalline | ## Top panels, DualSun | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [DS500-132M10B-01](https://comparepv.com/panel/dualsun-ds500-132m10b-01) | 500 | 20.8 | -0.360 | Monocrystalline | | 2 | [DS450-108M10TB-03](https://comparepv.com/panel/huasun-ds450-108m10tb-03) | 450 | 22.0 | -0.280 | Monocrystalline | | 3 | [DS425-108M10TB-03](https://comparepv.com/panel/huasun-ds425-108m10tb-03) | 425 | 21.8 | -0.310 | Monocrystalline | | 4 | [SPRING4 425 TOPCon NI](https://comparepv.com/panel/huasun-spring4-425-topcon-ni) | 425 | 21.8 | -0.310 | Monocrystalline | | 5 | [SPRING4 425 TOPCon F](https://comparepv.com/panel/huasun-spring4-425-topcon-f) | 425 | 21.8 | -0.310 | Monocrystalline | | 6 | [SPRING4 425 TOPCon I](https://comparepv.com/panel/dualsun-spring4-425-topcon-i) | 425 | 21.8 | -0.310 | Monocrystalline | ## Summary Canadian Solar was founded in 1997 and, despite its Canadian corporate headquarters, operates primarily through large-scale manufacturing in China, placing it among the largest module makers in the world. It holds Tier 1 bankability status on BloombergNEF's list, a status that matters for project financing and utility-scale lenders, and its module production capacity sits at roughly 51 GW per year, backed by substantial ingot, wafer and cell capacity. DualSun is a much smaller French manufacturer founded in 2010 in Marseille, focused mainly on the European, and particularly French, residential and small commercial market, without a comparable global production footprint or formal Tier 1 listing - its credibility rests more on local reputation and quality labels than on global financial bankability. On institutional footprint and scale, Canadian Solar is clearly the stronger of the two. Canadian Solar's lineup centers on N-type TOPCon modules under the TOPHiKu and TOPBiHiKu series, including bifacial variants, serving everything from rooftop residential systems to commercial and industrial installations and utility-scale solar farms - a genuinely broad, general-purpose catalog. DualSun instead carves out a specific niche with its hybrid PVT panel, the SPRING, which simultaneously generates electricity and captures heat for domestic hot water, making it a distinctive option for single-family homes that want to combine solar power generation with water heating; final assembly takes place in France, with the company emphasizing a significant share of European-origin value. For a typical buyer simply wanting standard rooftop or ground-mount PV panels, Canadian Solar is the safer default thanks to its scale, established service network and recognized bankability. DualSun is worth considering specifically when European manufacturing provenance or combined electricity-and-heat PVT technology matters more than raw cost per watt or module availability at scale - otherwise the two brands are not really interchangeable, since they serve different buyer priorities. Written by claude-sonnet-5 from the figures above. ## Other comparisons - [Canadian Solar vs A.B. Energy](https://comparepv.com/canadian-solar-vs-a-b-energy) - [AE Solar vs DualSun](https://comparepv.com/ae-solar-vs-dualsun) - [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet) - [AIKO vs DualSun](https://comparepv.com/aiko-vs-dualsun) - [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome) - [ARTsolar vs DualSun](https://comparepv.com/artsolar-vs-dualsun) --- Source: https://comparepv.com/canadian-solar-vs-dualsun Not in this file, on the page: the distributions above drawn as charts.