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

# Canadian Solar vs YS Solar

Canadian Solar has the broader catalog (292 vs 5 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).


## The two companies


| Attribute | Canadian Solar | YS Solar |
| --- | --- | --- |
| Country | Canada | China |
| Headquarters | Kitchener | Meizhou City, Guangdong Province |
| Founded | 2001 | 2009 |
| Employees | 17,113 |  |
| Annual capacity | 51 GW/year |  |
| Tier 1 | yes |  |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [http://www.ys-solar.com/](http://www.ys-solar.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.

Guangdong Yaosheng Solar Technology Co., Ltd. (YS SOLAR) is a national high-tech enterprise specializing in the R&D, production, sales, and service of photovoltaic and solar thermal products. The company is a wholly-owned subsidiary of Guangdong Yaosheng-Yifang Group. YS Solar has become a leading enterprise in the...


## Catalog & Power


| Measure | Canadian Solar | YS Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 5 | +287 |
| Max Power | 730 W | 350 W | +380 W |
| Avg Power | 472 W | 340 W | +132 W |


## Efficiency


| Measure | Canadian Solar | YS Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 21.00% | +3.40 pp |
| Avg Efficiency | 20.66% | 20.40% | +0.26 pp |


## Reliability & Warranty


| Measure | Canadian Solar | YS Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.350%/°C | +0.019 |
| Bifacial Share | 133 (46%) | 0 (0%) | +46 pp |
| Avg Warranty | 28.2 yrs | - |  |


## Efficiency distribution

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


| Efficiency band | Canadian Solar | YS Solar |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 1 (20.0%) |
| 20-21% | 36 (12.3%) | 3 (60.0%) |
| 21-22% | 41 (14.0%) | 1 (20.0%) |
| 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 | YS Solar |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 5 (100.0%) |
| 400-499W | 72 (24.7%) | 0 |
| 500-599W | 45 (15.4%) | 0 |
| 600-699W | 64 (21.9%) | 0 |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

Dominant cell tech: **PERC** (67%)


| Technology | Canadian Solar | YS Solar |
| --- | --- | --- |
| PERC | 195 (66.8%) | 0 |
| TOPCon | 85 (29.1%) | 0 |
| HJT | 12 (4.1%) | 0 |
| Unknown | 0 | 5 (100.0%) |


## 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, YS Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [YS350SM-90](https://comparepv.com/panel/ys-solar-ys350sm-90) | 350 | 21.0 | -0.350 | Monocrystalline |
| 2 | [YS345SM-90](https://comparepv.com/panel/ys-solar-ys345sm-90) | 345 | 20.7 | -0.350 | Monocrystalline |
| 3 | [YS340SM-90](https://comparepv.com/panel/ys-solar-ys340sm-90) | 340 | 20.4 | -0.350 | Monocrystalline |
| 4 | [YS335SM-90](https://comparepv.com/panel/ys-solar-ys335sm-90) | 335 | 20.1 | -0.350 | Monocrystalline |
| 5 | [YS330SM-90](https://comparepv.com/panel/ys-solar-ys330sm-90) | 330 | 19.8 | -0.350 | Monocrystalline |


## Summary

Canadian Solar was founded in 2001 and is headquartered in Guelph, Ontario, though the bulk of its manufacturing takes place in China and Southeast Asia. It has been publicly listed on NASDAQ since 2006 and consistently appears on BloombergNEF and S&P Global Commodity Insights Tier 1 lists, confirming strong bankability with project financiers. Its stated module manufacturing capacity targets for 2025 exceed 50 GW, making it one of the largest solar module producers in the world. YS Solar - formally Guangdong Yaosheng Solar Technology Co., Ltd. - was founded in 2009 and operates out of Meizhou, Guangdong, China, with a reported workforce of roughly 1,200 people. It is registered in the ENF Solar directory as a monocrystalline and polycrystalline module producer, but it does not appear on any BloombergNEF Tier 1 bankability list, and independent coverage of the brand in major renewable-energy trade publications is essentially absent. On institutional footprint, Canadian Solar has a commanding advantage.

Canadian Solar's current product families span the HiKu residential and commercial lines built on PERC cell technology, and the TOPHiKu6 series built on N-type TOPCon cells, which the company reports reaching efficiency levels up to roughly 22.5 percent. These modules serve residential rooftops, commercial flat roofs, and large utility-scale ground mounts worldwide, backed by product warranties of up to 25 years and performance warranties extending to 30 years. YS Solar offers monocrystalline and polycrystalline panels in a power range of approximately 160-550 Wp, including a PERC line. The brand appears oriented toward budget commercial and off-grid applications rather than premium residential or utility-scale installations, and no independent efficiency or field-test data from credible sources could be verified.

For most buyers in 2025 - whether residential, commercial, or utility - Canadian Solar is the clear default choice, offering documented bankability, a mature TOPCon product line, and a global service network. YS Solar may suit cost-sensitive buyers where financing and long-term performance guarantees are less critical, but the lack of Tier 1 status and independent review data represents a meaningful risk that most project owners would be wise to avoid.

\---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 list 2025 \| article

\- https://www.solarreviews.com/blog/canadian-solar-panels-expert-review \| Canadian Solar Panels 2025 Expert Review - SolarReviews \| review

\- https://www.cleanenergyreviews.info/blog/canadian-solar-panels-review \| Canadian Solar panels review - Clean Energy Reviews \| review

\- https://www.enfsolar.com/ys-solar \| Guangdong Yaosheng Solar Technology Co. - ENF Solar directory entry \| article

Sources:

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

\- \[Canadian Solar Panels 2025 Expert Review - SolarReviews\](https://www.solarreviews.com/blog/canadian-solar-panels-expert-review)

\- \[Canadian Solar panels review - Clean Energy Reviews\](https://www.cleanenergyreviews.info/blog/canadian-solar-panels-review)

\- \[Guangdong Yaosheng Solar Technology (YS Solar) - ENF Solar\](https://www.enfsolar.com/ys-solar)

Written by claude-sonnet from the figures above.


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


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

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