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

# Canadian Solar vs Topsky Energy

Canadian Solar has the broader catalog (292 vs 0 models). Canadian Solar leans bifacial (46% of lineup).


## The two companies


| Attribute | Canadian Solar | Topsky Energy |
| --- | --- | --- |
| Country | Canada | China |
| Headquarters | Kitchener | Shenzhen |
| Founded | 2001 | 1998 |
| Employees | 17,113 |  |
| Annual capacity | 51 GW/year | \<1 GW/year |
| Tier 1 | yes | no |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.topskyenergy.com](https://www.topskyenergy.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.

Shenzhen Topsky Energy Co., Ltd. is a Chinese manufacturer of solar cells and photovoltaic modules, including lightweight and customized panels. The company operates production facilities in Zhejiang and Jiangsu provinces, with sales and marketing based in Shenzhen and Hong Kong. Its products are distributed to over...


## Catalog & Power


| Measure | Canadian Solar | Topsky Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 0 | +292 |
| Max Power | 730 W | 0 W | +730 W |
| Avg Power | 472 W | 0 W | +472 W |


## Efficiency


| Measure | Canadian Solar | Topsky Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | - |  |
| Avg Efficiency | 20.66% | - |  |


## Reliability & Warranty


| Measure | Canadian Solar | Topsky Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | - |  |
| 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 | Topsky Energy |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 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 | Topsky Energy |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 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 | Topsky Energy |
| --- | --- | --- |
| PERC | 195 (66.8%) | 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 |


## Summary

Canadian Solar is a Canadian-founded company, incorporated in Ontario in 2001 by Dr. Shawn Qu, with manufacturing operations centered in China and a global headquarters split between Guelph and its Asian production base. It has been publicly listed on NASDAQ since 2006 and carries confirmed BloombergNEF Tier 1 bankability status, placing it among the handful of manufacturers whose modules global project-finance lenders consistently accept. Its stated module manufacturing capacity target for December 2025 is approximately 51 GW annually, making it one of the five largest solar panel producers in the world. Topsky Energy, formally Shenzhen Topsky Energy Co., Ltd., was founded in 1998 and is headquartered in Shenzhen, China. It operates manufacturing factories in Jiangsu and Ningbo and reports an annual module output capacity of roughly 800 MW - a fraction of Canadian Solar's scale. No evidence of BloombergNEF Tier 1 listing was found for Topsky Energy, which reflects the large gap in institutional footprint between the two brands.

Canadian Solar's current product portfolio spans residential panels under the TOPHiKu6 name using N-type TOPCon cell technology, bifacial utility modules in the TOPBiHiKu series, and its newly released TOPCon 2.0 line targeting utility-scale and commercial ground-mount projects at outputs up to 660 W. SolarReviews named Canadian Solar the top solar panel brand of 2025, and EnergySage places it among its leading reviewed manufacturers. Topsky Energy's catalog includes HJT-based modules using 210 mm cells, conventional PERC modules, and customized OEM panels for smaller system integrators. All Topsky products carry TUV Rhineland and CE certification, but the brand rarely appears in major independent buyer guides or installer marketplaces.

For a typical buyer in 2025 - whether a homeowner, a commercial installer, or a developer - Canadian Solar is the more defensible default. Its bankability rating, multi-decade track record, global supply chain, and independent review coverage reduce both project-finance risk and long-term warranty uncertainty. Topsky Energy may suit niche procurement scenarios where HJT technology at OEM pricing is the priority, but its smaller scale and absence from Tier 1 lists make it a harder sell in projects requiring third-party financing.

\---LINKS---

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

\- https://www.energysage.com/solar/best-solar-panels-complete-ranking/canadian-solar-panels-complete-review/ \| Canadian Solar Panels Complete Review - EnergySage \| review

\- https://www.pv-magazine.com/2025/05/08/canadian-solar-debuts-6600-w-topcon-solar-panel-with-24-4-efficiency/ \| Canadian Solar debuts 660 W TOPCon panel with 24.4% efficiency - pv magazine \| article

\- https://www.enfsolar.com/topsky-energy \| Topsky Energy Co., Ltd - ENF Solar Panel Directory \| article

\- 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 Makes S&P Global Tier 1 Cleantech Companies 2025 List \| article

Sources:

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

\- \[Canadian Solar Panels Complete Review - EnergySage\](https://www.energysage.com/solar/best-solar-panels-complete-ranking/canadian-solar-panels-complete-review/)

\- \[Canadian Solar debuts 660 W TOPCon panel - pv magazine\](https://www.pv-magazine.com/2025/05/08/canadian-solar-debuts-6600-w-topcon-solar-panel-with-24-4-efficiency/)

\- \[Topsky Energy - ENF Solar Directory\](https://www.enfsolar.com/topsky-energy)

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

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 Topsky Energy](https://comparepv.com/ae-solar-vs-topsky-energy)
- [Canadian Solar vs AEET](https://comparepv.com/canadian-solar-vs-aeet)
- [AIKO vs Topsky Energy](https://comparepv.com/aiko-vs-topsky-energy)
- [Canadian Solar vs AKCOME](https://comparepv.com/canadian-solar-vs-akcome)
- [ARTsolar vs Topsky Energy](https://comparepv.com/artsolar-vs-topsky-energy)


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Source: https://comparepv.com/canadian-solar-vs-topsky-energy

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