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

# Canadian Solar vs Zonergy

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 | Zonergy |
| --- | --- | --- |
| Country | Canada | China |
| Headquarters | Kitchener | Zigong, Sichuan |
| Founded | 2001 | 2007 |
| Employees | 17,113 | 201-300 |
| Annual capacity | 51 GW/year | null GW/year |
| Tier 1 | yes |  |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [http://www.zonergy.com](http://www.zonergy.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.

Zonergy is a world-renowned enterprise specializing in smart microgrid integrated solutions. The company is committed to providing first-class smart micro-grid solutions for global customers, covering technology research and development, product production, sales and trade, engineering design and implementation, and...


## Catalog & Power


| Measure | Canadian Solar | Zonergy | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 5 | +287 |
| Max Power | 730 W | 460 W | +270 W |
| Avg Power | 472 W | 450 W | +22 W |


## Efficiency


| Measure | Canadian Solar | Zonergy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 21.16% | +3.24 pp |
| Avg Efficiency | 20.66% | 20.70% | +0.04 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Zonergy | 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 | 25.0 yrs | +3.2 yr |


## Efficiency distribution

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


| Efficiency band | Canadian Solar | Zonergy |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 4 (80.0%) |
| 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 | Zonergy |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 0 |
| 400-499W | 72 (24.7%) | 5 (100.0%) |
| 500-599W | 45 (15.4%) | 0 |
| 600-699W | 64 (21.9%) | 0 |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

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

Dominant cell tech: **PERC** (100%)


| Technology | Canadian Solar | Zonergy |
| --- | --- | --- |
| PERC | 195 (66.8%) | 5 (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, Zonergy


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ZPM 460MH3-72](https://comparepv.com/panel/zonergy-zpm-460mh3-72) | 460 | 21.2 | -0.350 | Monocrystalline |
| 2 | [ZPM 455MH3-72](https://comparepv.com/panel/zonergy-zpm-455mh3-72) | 455 | 20.9 | -0.350 | Monocrystalline |
| 3 | [ZPM 450MH3-72](https://comparepv.com/panel/zonergy-zpm-450mh3-72) | 450 | 20.7 | -0.350 | Monocrystalline |
| 4 | [ZPM 445MH3-72](https://comparepv.com/panel/zonergy-zpm-445mh3-72) | 445 | 20.5 | -0.350 | Monocrystalline |
| 5 | [ZPM 440MH3-72](https://comparepv.com/panel/zonergy-zpm-440mh3-72) | 440 | 20.2 | -0.350 | Monocrystalline |


## Summary

I have enough sourced information on both companies to write a fair comparison, noting that Zonergy operates at a much smaller and less independently verified scale than Canadian Solar.

Canadian Solar is a Canada-headquartered manufacturer founded in 2001, with manufacturing bases in China and a growing footprint in Southeast Asia and North America, and an annual module production capacity reported around 61 GW as of 2025-2026. It is consistently listed as a Tier 1 supplier under the BloombergNEF PV module bankability ranking, meaning it has demonstrated a track record of non-recourse project financing across multiple banks, a status that underpins its use in large institutional and utility-scale deals. Zonergy is a Chinese energy conglomerate founded in 2007, headquartered in Sichuan, with a production base in Zigong operated through its subsidiary Zigong Xingchuan Photoelectric, and a European subsidiary based in Milan. Available sources describe Zonergy primarily as a systems integrator active in microgrids, off-grid storage, hybrid inverters, and smaller PV power stations, with no confirmed listing on BloombergNEF's Tier 1 module list and no independently verified GW-scale module output. Canadian Solar clearly has the stronger and more transparent institutional footprint of the two.

In terms of product lines, Canadian Solar offers distinct families for different markets: the BiHiKu series for residential and light commercial rooftops, and the newer TOPBiHiKu6 and TOPCon 3.0 series, based on n-type TOPCon cell technology, for utility-scale and commercial and industrial ground-mount and rooftop projects, with recent modules reaching 660-670 W and efficiencies up to 24.8 percent under 30-year warranties. Zonergy's public product literature emphasizes residential and commercial hybrid inverters, battery storage, and turnkey solar-plus-storage systems alongside photovoltaic modules, positioning it more as a smart-microgrid and energy-storage solutions provider than a specialized high-volume panel maker, and its cell technology and efficiency figures are not well documented in independent industry press.

For a typical buyer in 2025, Canadian Solar is the safer default choice given its confirmed Tier 1 bankability, documented TOPCon technology roadmap, and long warranty track record verifiable through independent industry sources. Zonergy may be a reasonable option for buyers specifically seeking bundled microgrid or storage solutions in markets it serves directly, such as parts of Europe and Africa, but its module-specific performance claims are harder to verify independently, so buyers should request project references and financing history before treating it as equivalent to a Tier 1 supplier.

\---LINKS---

\- https://www.pv-magazine.com/2026/06/22/canadian-solar-launches-topcon-3-0-high-power-density-module-with-24-8-efficiency/ \| Canadian Solar launches TOPCon 3.0 module with 24.8% efficiency \| article

\- 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 solar panel, 24.4% efficiency \| article

\- https://assets.bnef.com/public/tiering/solarmodules.pdf \| BloombergNEF Tier 1 Solar Module Methodology \| article

\- https://en.wikipedia.org/wiki/Zonergy \| Zonergy company profile (history, HQ, business lines) \| article

\- https://www.enfsolar.com/zonergy \| Zonergy Corporation profile - ENF Solar directory \| review

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


---

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

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