---
title: "Canadian Solar vs Sunman - Brand Comparison | ComparePV"
description: "Compare Canadian Solar vs Sunman solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/canadian-solar-vs-sunman"
---

# Canadian Solar vs Sunman

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 | Sunman |
| --- | --- | --- |
| Country | Canada | China |
| Headquarters | Kitchener | Shanghai |
| Founded | 2001 | 2014 |
| Employees | 17,113 | 51-200 |
| Annual capacity | 51 GW/year | 1-2 GW/year |
| Tier 1 | yes |  |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.sunman-energy.com](https://www.sunman-energy.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.

Sunman Energy is a technology company pioneering ultra-light, glass-free crystalline silicon solar modules under its proprietary eArc technology — the world's first such product, weighing up to 70% less than conventional glass panels. Founded by Dr. Zhengrong Shi (the founder of Suntech), the company targets niche...


## Catalog & Power


| Measure | Canadian Solar | Sunman | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 6 | +286 |
| Max Power | 730 W | 520 W | +210 W |
| Avg Power | 472 W | 312 W | +159 W |


## Efficiency


| Measure | Canadian Solar | Sunman | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 19.40% | +5.00 pp |
| Avg Efficiency | 20.66% | 17.74% | +2.91 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Sunman | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.356%/°C | +0.025 |
| Bifacial Share | 133 (46%) | 0 (0%) | +46 pp |
| Avg Warranty | 28.2 yrs | 25.0 yrs | +3.2 yr |


## Efficiency distribution

Canadian Solar skews to higher efficiency: 13% of lineup is 23%+


| Efficiency band | Canadian Solar | Sunman |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 6 (100.0%) |
| 20-21% | 36 (12.3%) | 0 |
| 21-22% | 41 (14.0%) | 0 |
| 22-23% | 50 (17.1%) | 0 |
| 23%+ | 37 (12.7%) | 0 |


## Power distribution

Canadian Solar offers more 600W+ panels (24% of lineup)


| Power band | Canadian Solar | Sunman |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 3 (50.0%) |
| 400-499W | 72 (24.7%) | 2 (33.3%) |
| 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: **PERC** (100%)


| Technology | Canadian Solar | Sunman |
| --- | --- | --- |
| PERC | 195 (66.8%) | 6 (100.0%) |
| TOPCon | 85 (29.1%) | 0 |
| 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, Sunman


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SMF520J-12X12UW](https://comparepv.com/panel/sunkean-smf520j-12x12uw) | 520 | 19.3 | -0.340 | Monocrystalline |
| 2 | [SMF430F-12X12UW](https://comparepv.com/panel/sunman-smf430f-12x12uw) | 430 | 19.4 | -0.380 | Monocrystalline |
| 3 | [SMF425F-12X12UW](https://comparepv.com/panel/sunman-smf425f-12x12uw) | 425 | 19.2 | -0.380 | Monocrystalline |
| 4 | [SMF200F-8X09DB-e](https://comparepv.com/panel/sunkean-smf200f-8x09db-e) | 200 | 16.3 | -0.340 | Monocrystalline |
| 5 | [SMF200J-6X10DB-e](https://comparepv.com/panel/sunkean-smf200j-6x10db-e) | 200 | 16.6 | -0.340 | Monocrystalline |
| 6 | [SMF100F-3X12UW](https://comparepv.com/panel/sunman-smf100f-3x12uw) | 100 | 15.7 | - | Monocrystalline |


## Summary

Canadian Solar is a publicly traded manufacturer founded in 2001 and headquartered in Guelph, Ontario, Canada, with its primary production operations based in China. It has been listed on the NASDAQ since 2006 and consistently appears on bankability rankings, including the S&P Global Commodity Insights Premier List of Tier 1 Cleantech Companies for 2025. The company has stated module capacity targets approaching 51 GW by the close of 2025, placing it firmly among the top tier of global manufacturers. Sunman Energy was founded in 2014 by Dr. Zhengrong Shi - a pioneer known for co-founding Suntech - and is headquartered in Australia, with manufacturing spread across China, a facility under construction in the United States, and a 500 MW plant announced for Australia's Hunter Valley. Sunman does not appear on the Bloomberg NEF Tier 1 list, reflecting its smaller scale and more specialized positioning. Canadian Solar holds the stronger institutional footprint by a wide margin.

Canadian Solar's product range spans a broad set of use cases. Its HiHero series uses heterojunction (HJT) cell technology and is aimed at premium residential and commercial rooftop buyers, while its TOPCon 2.0 line targets utility-scale and large commercial ground-mount projects. Both series carry extended performance warranties. Sunman, by contrast, has built its identity around a single differentiated technology: the eArc module, a glass-free polymer composite panel that is approximately 70 percent lighter than a conventional glass module. This makes eArc panels suited specifically to weight-constrained commercial rooftops, caravans, boats, and low-load structures where standard rigid modules cannot be installed.

For a typical buyer in 2025 - whether residential or utility-scale - Canadian Solar is the more straightforward default, given its broad product catalog, confirmed bankability, and deep installer network. Sunman is not a direct competitor in most segments; it is a specialist product solving a specific weight problem, and where that problem exists, it has few equals.

\---LINKS---

\- https://www.prnewswire.com/news-releases/canadian-solar-makes-sp-global-commodity-insights-premier-list-of-tier-1-cleantech-companies-2025-302553562.html \| Canadian Solar named to S&P Global Tier 1 Cleantech Companies 2025 \| article

\- https://www.pv-magazine.com/2025/12/02/sunman-to-build-500-mw-solar-panel-manufacturing-plant-in-australia/ \| Sunman to build 500 MW solar panel plant in Australia \| article

\- https://www.solarchoice.net.au/products/panels/sunman-earc-solar-panels-review/ \| Sunman eArc Solar Panels - Independent Review \| review

\- https://www.solarquotes.com.au/panels/sunman-energy-review.html \| Sunman Energy solar panel review \| review

\- https://investors.canadiansolar.com/news-releases/news-release-details/canadian-solar-releases-new-topcon-20-660-wp-n-type-module-244 \| Canadian Solar releases TOPCon 2.0 660 Wp N-type module \| article

Sources:

\- \[Canadian Solar S&P Global Tier 1 2025\](https://www.prnewswire.com/news-releases/canadian-solar-makes-sp-global-commodity-insights-premier-list-of-tier-1-cleantech-companies-2025-302553562.html)

\- \[Sunman 500 MW Australia plant - PV Magazine\](https://www.pv-magazine.com/2025/12/02/sunman-to-build-500-mw-solar-panel-manufacturing-plant-in-australia/)

\- \[Sunman eArc Review - Solar Choice\](https://www.solarchoice.net.au/products/panels/sunman-earc-solar-panels-review/)

\- \[Sunman Energy Review - SolarQuotes\](https://www.solarquotes.com.au/panels/sunman-energy-review.html)

\- \[Canadian Solar TOPCon 2.0 announcement\](https://investors.canadiansolar.com/news-releases/news-release-details/canadian-solar-releases-new-topcon-20-660-wp-n-type-module-244)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Canadian Solar vs A.B. Energy](https://comparepv.com/canadian-solar-vs-a-b-energy)
- [AE Solar vs Sunman](https://comparepv.com/ae-solar-vs-sunman)
- [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet)
- [AIKO vs Sunman](https://comparepv.com/aiko-vs-sunman)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs Sunman](https://comparepv.com/artsolar-vs-sunman)


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Source: https://comparepv.com/canadian-solar-vs-sunman

Not in this file, on the page: the distributions above drawn as charts.