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

# Canadian Solar vs Sonnex Energie

Canadian Solar has the broader catalog (292 vs 10 models). Canadian Solar leads on peak efficiency at 24.40%.


## The two companies


| Attribute | Canadian Solar | Sonnex Energie |
| --- | --- | --- |
| Country | Canada |  |
| Headquarters | Kitchener |  |
| Founded | 2001 |  |
| Employees | 17,113 |  |
| Annual capacity | 51 GW/year |  |
| Tier 1 | yes | no |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.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.


## Catalog & Power


| Measure | Canadian Solar | Sonnex Energie | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 10 | +282 |
| Max Power | 730 W | 440 W | +290 W |
| Avg Power | 472 W | 428 W | +44 W |


## Efficiency


| Measure | Canadian Solar | Sonnex Energie | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 22.50% | +1.90 pp |
| Avg Efficiency | 20.66% | 21.89% | +1.24 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Sonnex Energie | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.315%/°C | +0.016 |
| Bifacial Share | 133 (46%) | 5 (50%) | +4 pp |
| Avg Warranty | 28.2 yrs | 30.0 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | Canadian Solar | Sonnex Energie |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 0 |
| 21-22% | 41 (14.0%) | 5 (50.0%) |
| 22-23% | 50 (17.1%) | 5 (50.0%) |
| 23%+ | 37 (12.7%) | 0 |


## Power distribution

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


| Power band | Canadian Solar | Sonnex Energie |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 0 |
| 400-499W | 72 (24.7%) | 10 (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: **TOPCon** (100%)


| Technology | Canadian Solar | Sonnex Energie |
| --- | --- | --- |
| PERC | 195 (66.8%) | 0 |
| TOPCon | 85 (29.1%) | 10 (100.0%) |
| 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, Sonnex Energie


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SNX-D54HN\*\*\*-M-S (440W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-440w) | 440 | 22.5 | -0.310 | Monocrystalline |
| 2 | [SNX-D54HN\*\*\*-M-S (435W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-435w) | 435 | 22.3 | -0.310 | Monocrystalline |
| 3 | [SNX-D54HND-435M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-435m) | 435 | 22.3 | -0.320 | Monocrystalline |
| 4 | [SNX-D54HN\*\*\*-M-S (430W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-430w) | 430 | 22.0 | -0.310 | Monocrystalline |
| 5 | [SNX-D54HND-430M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-430m) | 430 | 22.0 | -0.320 | Monocrystalline |
| 6 | [SNX-D54HN\*\*\*-M-S (425W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-425w) | 425 | 21.8 | -0.310 | Monocrystalline |
| 7 | [SNX-D54HND-425M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-425m) | 425 | 21.8 | -0.320 | Monocrystalline |
| 8 | [SNX-D54HND-420M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-420m) | 420 | 21.5 | -0.320 | Monocrystalline |
| 9 | [SNX-D54HN\*\*\*-M-S (420W)](https://comparepv.com/panel/sonnex-energie-snx-d54hn-m-s-420w) | 420 | 21.5 | -0.310 | Monocrystalline |
| 10 | [SNX-D54HND-415M](https://comparepv.com/panel/sonnex-energie-snx-d54hnd-415m) | 415 | 21.2 | -0.320 | Monocrystalline |


## Summary

Canadian Solar is a Canadian manufacturer founded in 2001 by Dr. Shawn Qu, now headquartered in a newly expanded global campus in Kitchener, Ontario, and listed on Nasdaq under CSIQ. It consistently ranks at the top of BloombergNEF's Tier 1 bankability list, reflecting a long track record of financing large-scale projects without default. Its manufacturing footprint is substantial, with module capacity exceeding 51 GW annually and combined ingot, wafer, cell and module capacity topping roughly 60 GW, including expanding US production in Texas. Sonnex Energie, by contrast, is a much younger German company founded in 2021 and based in Frankfurt am Main, with annual production capacity above 2 GW - an order of magnitude smaller, and its presence on BloombergNEF's current Tier 1 list is not clearly confirmed in available sources. On institutional footprint and documented bankability, Canadian Solar holds a clear edge.

Canadian Solar's catalog spans PERC and N-type TOPCon modules suited to utility-scale ground-mount farms, commercial C&I installations and residential rooftops, backed by its own energy storage and project development arms. Sonnex Energie positions itself more narrowly in the premium segment, offering PERC half-cell, TOPCon and IBC back-contact modules, including smart modules with cell-string level power optimizers that push module efficiency toward 24 percent, alongside sleek all-black aesthetics aimed at upscale residential and commercial rooftops rather than utility-scale deployment.

For a typical buyer, especially one relying on project financing or working at utility scale, Canadian Solar remains the safer default thanks to its confirmed bankability, longer operating history and far larger production base. Sonnex Energie may appeal to buyers prioritizing design and headline module efficiency on smaller, high-end residential or commercial projects, but the lack of comparable bankability data and its limited manufacturing scale make it a riskier choice wherever institutional financing or large-volume supply certainty is required.

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


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Source: https://comparepv.com/canadian-solar-vs-sonnex-energie

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