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

# Bauer Solar vs Canadian Solar

Canadian Solar has the broader catalog (292 vs 6 models). Canadian Solar leads on peak efficiency at 24.40%. Bauer Solar leans bifacial (100% of lineup).


## The two companies


| Attribute | Bauer Solar | Canadian Solar |
| --- | --- | --- |
| Country | Germany | Canada |
| Headquarters |  | Kitchener |
| Founded |  | 2001 |
| Employees |  | 17,113 |
| Annual capacity |  | 51 GW/year |
| Tier 1 | no | yes |
| Listed |  | NASDAQ: CSIQ |
| Website | [https://bauer-solar.de](https://bauer-solar.de) | [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 | Bauer Solar | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 6 | 292 | +286 |
| Max Power | 475 W | 730 W | +255 W |
| Avg Power | 458 W | 472 W | +14 W |


## Efficiency


| Measure | Bauer Solar | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 22.50% | 24.40% | +1.90 pp |
| Avg Efficiency | 21.99% | 20.66% | +1.34 pp |


## Reliability & Warranty


| Measure | Bauer Solar | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.295%/°C | -0.331%/°C | +0.036 |
| Bifacial Share | 6 (100%) | 133 (46%) | +54 pp |
| Avg Warranty | 30.0 yrs | 28.2 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | Bauer Solar | Canadian Solar |
| --- | --- | --- |
| 21-22% | 3 (50.0%) | 41 (14.0%) |
| 22-23% | 3 (50.0%) | 50 (17.1%) |
| \<20% | 0 | 128 (43.8%) |
| 20-21% | 0 | 36 (12.3%) |
| 23%+ | 0 | 37 (12.7%) |


## Power distribution

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


| Power band | Bauer Solar | Canadian Solar |
| --- | --- | --- |
| 400-499W | 6 (100.0%) | 72 (24.7%) |
| \<400W | 0 | 104 (35.6%) |
| 500-599W | 0 | 45 (15.4%) |
| 600-699W | 0 | 64 (21.9%) |
| 700W+ | 0 | 7 (2.4%) |


## Cell technology

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

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


| Technology | Bauer Solar | Canadian Solar |
| --- | --- | --- |
| TOPCon | 6 (100.0%) | 85 (29.1%) |
| PERC | 0 | 195 (66.8%) |
| HJT | 0 | 12 (4.1%) |


## Top panels, Bauer Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [BS-475-120M10NHBB-GG](https://comparepv.com/panel/bauer-solar-bs-475-120m10nhbb-gg) | 475 | 21.9 | -0.300 | Monocrystalline |
| 2 | [BS-470-120M10NHBB-GG](https://comparepv.com/panel/bauer-solar-bs-470-120m10nhbb-gg) | 470 | 21.7 | -0.300 | Monocrystalline |
| 3 | [BS-465-120M10NHBB-GG](https://comparepv.com/panel/bauer-solar-bs-465-120m10nhbb-gg) | 465 | 21.5 | -0.300 | Monocrystalline |
| 4 | [BS-450-108M10HBT-GG](https://comparepv.com/panel/bauer-solar-bs-450-108m10hbt-gg) | 450 | 22.5 | -0.290 | Monocrystalline |
| 5 | [BS-445-108M10HBT-GG](https://comparepv.com/panel/bauer-solar-bs-445-108m10hbt-gg) | 445 | 22.3 | -0.290 | Monocrystalline |
| 6 | [BS-440-108M10HBT-GG](https://comparepv.com/panel/bauer-solar-bs-440-108m10hbt-gg) | 440 | 22.0 | -0.290 | Monocrystalline |


## 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

Bauer Solar is a family-run German manufacturer based in Bavaria, founded in 2003 and active in the photovoltaic market for over two decades. The company operates three production sites with a reported total capacity exceeding 5 GW, and it holds a CrefoZert certification for its credit standing - a distinction shared by only around 2 percent of German firms. However, Bauer Solar does not appear on the publicly cited BloombergNEF Tier 1 lists, placing it in a different bankability category from the industry's largest players. Canadian Solar, by contrast, was founded in 2001 and is headquartered in Guelph, Ontario, with the vast majority of its module manufacturing carried out in China alongside facilities in Canada and the United States. It reported approximately 61 GW of annual production capacity in 2025 and has been a consistent presence on BloombergNEF Tier 1 lists, making it one of the five largest solar manufacturers globally and the source SolarReviews named its top-rated brand for 2025. On institutional footprint alone, Canadian Solar has a clear and substantial advantage.

In terms of product families, Bauer Solar focuses primarily on premium residential rooftop applications. Its current lineup centers on TOPCon modules - offered in Pure and Black aesthetic variants reaching up to 465 W - and a newly launched back-contact glass-glass series pushing toward 490 W with efficiency ratings around 23.5 percent. Both lines come with a 30-year product and performance warranty. Canadian Solar addresses a broader range of use cases, from residential rooftops to commercial and utility-scale ground-mount projects. Its residential portfolio spans the PERC-based HiKu6 series and the newer N-type TOPCon TOPHiKu6 series, the latter rated up to 22.5 percent efficiency and also backed by a 30-year warranty on premium tiers.

For most buyers in 2025, Canadian Solar is the more practical default - its global installer base, documented bankability, and competitive pricing reduce project risk considerably. Bauer Solar is a credible alternative for buyers in European markets who specifically value German engineering provenance and are willing to pay a premium for it, though they should verify local installer support and financing terms independently.

\---LINKS---

\- https://www.pv-magazine.com/2026/04/03/bauer-solar-launches-490-w-back-contact-solar-module/ \| Bauer Solar launches 490 W back-contact solar module \| article

\- https://www.solarfeeds.com/biz/bauer-solarenergie-gmbh/ \| Bauer Solarenergie company overview - production capacity and Tier 1 status \| article

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

\- https://www.vicoexport.com/en/61277/tier-1-list-of-solar-panel-manufacturers-q2-2025/ \| Tier 1 List of Solar Panel Manufacturers Q2 2025 \| article

Sources:

\- \[Bauer Solar launches 490 W back-contact solar module - pv magazine\](https://www.pv-magazine.com/2026/04/03/bauer-solar-launches-490-w-back-contact-solar-module/)

\- \[Bauer Solarenergie Company Overview - SolarFeeds\](https://www.solarfeeds.com/biz/bauer-solarenergie-gmbh/)

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

\- \[Tier 1 List of Solar Panel Manufacturers Q2 2025 - Vico Export\](https://www.vicoexport.com/en/61277/tier-1-list-of-solar-panel-manufacturers-q2-2025/)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Bauer Solar vs A.B. Energy](https://comparepv.com/bauer-solar-vs-a-b-energy)
- [AE Solar vs Canadian Solar](https://comparepv.com/ae-solar-vs-canadian-solar)
- [Bauer Solar vs AEET](https://comparepv.com/bauer-solar-vs-aeet)
- [AIKO vs Canadian Solar](https://comparepv.com/aiko-vs-canadian-solar)
- [Bauer Solar vs AKCOME](https://comparepv.com/bauer-solar-vs-akcome)
- [ARTsolar vs Canadian Solar](https://comparepv.com/artsolar-vs-canadian-solar)


---

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

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