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

# Amerisolar vs Canadian Solar

Canadian Solar has the broader catalog (292 vs 27 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).


## The two companies


| Attribute | Amerisolar | Canadian Solar |
| --- | --- | --- |
| Country | China | Canada |
| Headquarters | Shanghai | Kitchener |
| Founded | 1993 | 2001 |
| Employees |  | 17,113 |
| Annual capacity | 9 GW/year | 51 GW/year |
| Tier 1 |  | yes |
| Listed |  | NASDAQ: CSIQ |
| Website | [https://www.weamerisolar.com](https://www.weamerisolar.com) | [https://www.canadiansolar.com](https://www.canadiansolar.com) |

Amerisolar, operating under Worldwide Energy and Manufacturing Group, is a professional solar PV module manufacturer with over 30 years of experience in production and quality control. The company operates manufacturing facilities across China, the USA, Vietnam, South Korea, and other countries, and serves markets...

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.


## Catalog & Power


| Measure | Amerisolar | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 27 | 292 | +265 |
| Max Power | 665 W | 730 W | +65 W |
| Avg Power | 546 W | 472 W | +74 W |


## Efficiency


| Measure | Amerisolar | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.83% | 24.40% | +1.57 pp |
| Avg Efficiency | 21.12% | 20.66% | +0.46 pp |


## Reliability & Warranty


| Measure | Amerisolar | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.340%/°C | -0.331%/°C | +0.009 |
| Bifacial Share | 0 (0%) | 133 (46%) | +46 pp |
| Avg Warranty | 30.0 yrs | 28.2 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | Amerisolar | Canadian Solar |
| --- | --- | --- |
| \<20% | 2 (7.4%) | 128 (43.8%) |
| 20-21% | 11 (40.7%) | 36 (12.3%) |
| 21-22% | 9 (33.3%) | 41 (14.0%) |
| 22-23% | 5 (18.5%) | 50 (17.1%) |
| 23%+ | 0 | 37 (12.7%) |


## Power distribution

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


| Power band | Amerisolar | Canadian Solar |
| --- | --- | --- |
| 400-499W | 8 (29.6%) | 72 (24.7%) |
| 500-599W | 13 (48.1%) | 45 (15.4%) |
| 600-699W | 6 (22.2%) | 64 (21.9%) |
| \<400W | 0 | 104 (35.6%) |
| 700W+ | 0 | 7 (2.4%) |


## Cell technology

Dominant cell tech: **PERC** (74%)

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


| Technology | Amerisolar | Canadian Solar |
| --- | --- | --- |
| PERC | 20 (74.1%) | 195 (66.8%) |
| TOPCon | 7 (25.9%) | 85 (29.1%) |
| HJT | 0 | 12 (4.1%) |


## Top panels, Amerisolar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [AS-8M132-HC-665W](https://comparepv.com/panel/artsolar-as-8m132-hc-665w) | 665 | 21.4 | -0.340 | Monocrystalline |
| 2 | [AS-8M132-HC-660W](https://comparepv.com/panel/artsolar-as-8m132-hc-660w) | 660 | 21.2 | -0.340 | Monocrystalline |
| 3 | [AS-8M132-HC-655W](https://comparepv.com/panel/artsolar-as-8m132-hc-655w) | 655 | 21.1 | -0.340 | Monocrystalline |
| 4 | [AS-8M132-HC-650W](https://comparepv.com/panel/artsolar-as-8m132-hc-650w) | 650 | 20.9 | -0.340 | Monocrystalline |
| 5 | [AS-8M132-HC-645W](https://comparepv.com/panel/artsolar-as-8m132-hc-645w) | 645 | 20.8 | -0.340 | Monocrystalline |
| 6 | [AS-8M132-HC-640W](https://comparepv.com/panel/artsolar-as-8m132-hc-640w) | 640 | 20.6 | -0.340 | Monocrystalline |
| 7 | [AS-7M144N-HC-590](https://comparepv.com/panel/artsolar-as-7m144n-hc-590) | 590 | 22.8 | -0.300 | Monocrystalline |
| 8 | [AS-7M144N-HC-585](https://comparepv.com/panel/artsolar-as-7m144n-hc-585) | 585 | 22.6 | -0.300 | Monocrystalline |
| 9 | [AS-7M144N-HC-580](https://comparepv.com/panel/artsolar-as-7m144n-hc-580) | 580 | 22.4 | -0.300 | Monocrystalline |
| 10 | [AS-7M144N-HC-575](https://comparepv.com/panel/artsolar-as-7m144n-hc-575) | 575 | 22.2 | -0.300 | Monocrystalline |


## 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 |


## Summary

Amerisolar operates under the Worldwide Energy and Manufacturing group, with roots dating back to the 1990s and a headquarters presence declared in South San Francisco, though much of its manufacturing and corporate footprint is tied to China, Taiwan and other Asian partners. The brand is sometimes described as meeting Tier 1 criteria, but that status reflects BloombergNEF's bankability list rather than a judgment of module quality, and its production scale (roughly in the low single-digit GW per year range) is markedly smaller than that of the industry's biggest players. Canadian Solar, founded in 2001 by Shawn Qu in Guelph, Ontario, and Nasdaq-listed since 2006, is one of the world's largest module makers, with annual manufacturing capacity in the tens of GW and a consistent place on BloombergNEF's Tier 1 list, giving it a substantially stronger institutional and financial footprint than Amerisolar.

Amerisolar's catalog leans heavily on monocrystalline PERC cells, supplemented by newer TOPCon models, with power ratings roughly between 430 and 665 W, aimed mainly at residential and small commercial rooftop projects. Canadian Solar fields a broader and more technically diverse lineup, including TOPCon series such as TOPBiHiKu6 and high-bifaciality HJT modules under its HiHero range, serving residential and commercial rooftops as well as utility-scale ground-mount projects backed by an extensive project track record.

For a typical rooftop buyer, the two brands can look similar on paper in terms of basic panel specifications, but Canadian Solar's larger balance sheet, longer track record in Western markets, and broader warranty and service infrastructure make it the safer default choice, particularly for bank-financed or higher-value installations. Amerisolar can be a reasonable budget-oriented option for smaller residential systems, provided the buyer accepts the manufacturer's smaller scale and pays attention to warranty and claims-handling terms before purchase.

Written by claude-sonnet-5 from the figures above.


## Other comparisons

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


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

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