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

# Canadian Solar vs TN Solar

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 | TN Solar |
| --- | --- | --- |
| 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 | TN Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 10 | +282 |
| Max Power | 730 W | 715 W | +15 W |
| Avg Power | 472 W | 542 W | +71 W |


## Efficiency


| Measure | Canadian Solar | TN Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 23.02% | +1.38 pp |
| Avg Efficiency | 20.66% | 21.08% | +0.43 pp |


## Reliability & Warranty


| Measure | Canadian Solar | TN Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.280%/°C | +0.051 |
| 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 | TN Solar |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 5 (50.0%) |
| 20-21% | 36 (12.3%) | 0 |
| 21-22% | 41 (14.0%) | 0 |
| 22-23% | 50 (17.1%) | 4 (40.0%) |
| 23%+ | 37 (12.7%) | 1 (10.0%) |


## Power distribution

TN Solar offers more 600W+ panels (50% of lineup)


| Power band | Canadian Solar | TN Solar |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 5 (50.0%) |
| 400-499W | 72 (24.7%) | 0 |
| 500-599W | 45 (15.4%) | 0 |
| 600-699W | 64 (21.9%) | 1 (10.0%) |
| 700W+ | 7 (2.4%) | 4 (40.0%) |


## Cell technology

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

Dominant cell tech: **HJT** (50%)


| Technology | Canadian Solar | TN Solar |
| --- | --- | --- |
| PERC | 195 (66.8%) | 0 |
| TOPCon | 85 (29.1%) | 5 (50.0%) |
| HJT | 12 (4.1%) | 5 (50.0%) |


## 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, TN Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SE6-66HBD-715](https://comparepv.com/panel/tn-solar-se6-66hbd-715) | 715 | 23.0 | -0.260 | Monocrystalline |
| 2 | [SE6-66HBD-710](https://comparepv.com/panel/tn-solar-se6-66hbd-710) | 710 | 22.9 | -0.260 | Monocrystalline |
| 3 | [SE6-66HBD-705](https://comparepv.com/panel/tn-solar-se6-66hbd-705) | 705 | 22.7 | -0.260 | Monocrystalline |
| 4 | [SE6-66HBD-700](https://comparepv.com/panel/tn-solar-se6-66hbd-700) | 700 | 22.5 | -0.260 | Monocrystalline |
| 5 | [SE6-66HBD-695](https://comparepv.com/panel/tn-solar-se6-66hbd-695) | 695 | 22.4 | -0.260 | Monocrystalline |
| 6 | [TN5-54H-390](https://comparepv.com/panel/tn-solar-tn5-54h-390) | 390 | 20.0 | -0.300 | Monocrystalline |
| 7 | [TN5-54H-385](https://comparepv.com/panel/tn-solar-tn5-54h-385) | 385 | 19.7 | -0.300 | Monocrystalline |
| 8 | [TN5-54H-380](https://comparepv.com/panel/tn-solar-tn5-54h-380) | 380 | 19.5 | -0.300 | Monocrystalline |
| 9 | [TN5-54H-375](https://comparepv.com/panel/tn-solar-tn5-54h-375) | 375 | 19.2 | -0.300 | Monocrystalline |
| 10 | [TN5-54H-370](https://comparepv.com/panel/tn-solar-tn5-54h-370) | 370 | 19.0 | -0.300 | Monocrystalline |


## Summary

Canadian Solar is headquartered in Guelph, Ontario, Canada, and was founded in 2001, though most of its manufacturing is based in China. The company appears on BloombergNEF's Tier 1 list, confirming its bankability for financiers backing large-scale projects, and its annual module production capacity exceeds 50 GW, placing it among the largest module suppliers worldwide. TN Solar, operating as TN Solar Co., Limited, is a considerably smaller and less internationally documented manufacturer, producing panels ranging from small 20-200W modules up to 400-755W units built on PERC, TOPCon and HJT cell platforms, but searches of trade outlets such as pv-magazine, PVTech and TaiyangNews turned up no confirmed Tier 1 or BNEF bankability listing, nor independent field-test coverage. On institutional footprint and documented scale, Canadian Solar is clearly the stronger of the two.

In practice, Canadian Solar covers nearly every market segment with dedicated product lines for residential rooftop systems, commercial and industrial (C&I) installations, and utility-scale ground-mount farms, increasingly built around higher-efficiency TOPCon cells. TN Solar's catalog seems to span both niche small-format panels (suited to portable or specialty applications) and more conventional commercial-size modules, but the lack of broad independent documentation makes it hard to gauge its real presence in markets like the US or Europe.

For a typical buyer, whether a homeowner or a commercial project developer, Canadian Solar is the safer default choice given its verified bankability, long supply track record, and established warranty support infrastructure. TN Solar could be worth considering for specific niche use cases, but buyers should request independent certifications and project references directly from the supplier before committing.

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


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

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