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

# Canadian Solar vs GL Solar

Canadian Solar has the broader catalog (292 vs 13 models). Canadian Solar leads on peak efficiency at 24.40%. GL Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | Canadian Solar | GL Solar |
| --- | --- | --- |
| Country | Canada | Italy |
| Headquarters | Kitchener | Marcianise |
| Founded | 2001 | 2000 |
| Employees | 17,113 | 1-10 |
| Annual capacity | 51 GW/year |  |
| Tier 1 | yes |  |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.glsolarenergy.it](https://www.glsolarenergy.it) |

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.

GL Solar Energy s.r.l. is a small Italian company based in Marcianise (Caserta) specializing in the design, production, and installation of photovoltaic systems for residential and industrial applications. The company also distributes solar panels and related equipment, working with major international brands such as...


## Catalog & Power


| Measure | Canadian Solar | GL Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 13 | +279 |
| Max Power | 730 W | 640 W | +90 W |
| Avg Power | 472 W | 603 W | +131 W |


## Efficiency


| Measure | Canadian Solar | GL Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 23.60% | +0.80 pp |
| Avg Efficiency | 20.66% | 22.61% | +1.95 pp |


## Reliability & Warranty


| Measure | Canadian Solar | GL Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.274%/°C | +0.057 |
| Bifacial Share | 133 (46%) | 13 (100%) | +54 pp |
| Avg Warranty | 28.2 yrs | 30.0 yrs | +1.8 yr |


## Efficiency distribution

GL Solar skews to higher efficiency: 38% of lineup is 23%+


| Efficiency band | Canadian Solar | GL Solar |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 0 |
| 20-21% | 36 (12.3%) | 0 |
| 21-22% | 41 (14.0%) | 3 (23.1%) |
| 22-23% | 50 (17.1%) | 5 (38.5%) |
| 23%+ | 37 (12.7%) | 5 (38.5%) |


## Power distribution

GL Solar offers more 600W+ panels (77% of lineup)


| Power band | Canadian Solar | GL Solar |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 0 |
| 400-499W | 72 (24.7%) | 1 (7.7%) |
| 500-599W | 45 (15.4%) | 2 (15.4%) |
| 600-699W | 64 (21.9%) | 10 (76.9%) |
| 700W+ | 7 (2.4%) | 0 |


## Cell technology

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

Dominant cell tech: **HJT** (54%)


| Technology | Canadian Solar | GL Solar |
| --- | --- | --- |
| PERC | 195 (66.8%) | 0 |
| TOPCon | 85 (29.1%) | 6 (46.2%) |
| HJT | 12 (4.1%) | 7 (53.8%) |


## 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, GL Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [3SHBGH-C#-640](https://comparepv.com/panel/gl-solar-3shbgh-c-640) | 640 | 22.6 | -0.260 | Monocrystalline |
| 2 | [3SHBGH-C#-635](https://comparepv.com/panel/gl-solar-3shbgh-c-635) | 635 | 22.4 | -0.260 | Monocrystalline |
| 3 | [3SHBGH-C#-630](https://comparepv.com/panel/gl-solar-3shbgh-c-630) | 630 | 22.3 | -0.260 | Monocrystalline |
| 4 | [3SHBGH-C#-625](https://comparepv.com/panel/gl-solar-3shbgh-c-625) | 625 | 22.1 | -0.260 | Monocrystalline |
| 5 | [3SHBGH-C#-620](https://comparepv.com/panel/gl-solar-3shbgh-c-620) | 620 | 21.9 | -0.260 | Monocrystalline |
| 6 | [3SHBGH-C#-615](https://comparepv.com/panel/gl-solar-3shbgh-c-615) | 615 | 21.7 | -0.260 | Monocrystalline |
| 7 | [3SHBGH-C#-610](https://comparepv.com/panel/gl-solar-3shbgh-c-610) | 610 | 21.6 | -0.260 | Monocrystalline |
| 8 | [HY-NT10/72GDF-610W](https://comparepv.com/panel/gl-solar-hy-nt10-72gdf-610w) | 610 | 23.6 | -0.290 | Monocrystalline |
| 9 | [HY-NT10/72GDF-605W](https://comparepv.com/panel/gl-solar-hy-nt10-72gdf-605w) | 605 | 23.4 | -0.290 | Monocrystalline |
| 10 | [HY-NT10/72GDF-600W](https://comparepv.com/panel/gl-solar-hy-nt10-72gdf-600w) | 600 | 23.2 | -0.290 | Monocrystalline |


## Summary

Canadian Solar is a Canadian-headquartered manufacturer, founded in 2001 and listed on Nasdaq, that has consistently appeared on BloombergNEF's Tier 1 list, a bankability signal used by banks and utility-scale developers worldwide. The company operates an integrated supply chain with module capacity in the tens of gigawatts per year (recent figures put nameplate capacity above 50 GW), backed by manufacturing sites across China, Southeast Asia and North America. GL Solar, by contrast, is a much smaller and less documented brand, operating under names such as GL Solar Solutions, and it does not appear in publicly available Tier 1 or capacity rankings, meaning its institutional footprint is considerably thinner and harder to verify than Canadian Solar's.

Canadian Solar's product lineup spans high-power mono PERC and TOPCon modules suited to residential rooftops, commercial and industrial (C&I) installations, and utility-scale ground-mount projects, and the company is also active as a project developer in solar-plus-storage. GL Solar's available datasheets point to bifacial, half-cut cell modules in the 525-550 W range with roughly 20-21 percent efficiency, positioning it as a conventional option for rooftop and smaller commercial jobs, though without a confirmed dominant cell technology or a broad, well-documented product family.

For a typical international buyer, Canadian Solar is the safer default choice given its verified bankability, established service network, and long operating track record, particularly for financed or utility-scale projects. GL Solar may be worth considering where upfront cost is the primary driver, but given the limited independent testing and warranty documentation available, the two brands should not be treated as interchangeable without further due diligence on the specific project.

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


---

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

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