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

# Bisol vs Canadian Solar

Canadian Solar has the broader catalog (292 vs 12 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).


## The two companies


| Attribute | Bisol | Canadian Solar |
| --- | --- | --- |
| Country | Slovenia | Canada |
| Headquarters | Prebold | Kitchener |
| Founded | 2004 | 2001 |
| Employees | 200-500 | 17,113 |
| Annual capacity | \<1 GW/year | 51 GW/year |
| Tier 1 | no | yes |
| Listed |  | NASDAQ: CSIQ |
| Website | [https://www.bisol.com](https://www.bisol.com) | [https://www.canadiansolar.com](https://www.canadiansolar.com) |

BISOL Group is a European manufacturer of high-quality photovoltaic modules headquartered in Prebold, Slovenia. Founded in 2004, it is considered Europe's leading authentic solar module producer with a production capacity of 750 MW and products distributed in over 120 countries. The company operates debt-free and has...

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 | Bisol | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 12 | 292 | +280 |
| Max Power | 580 W | 730 W | +150 W |
| Avg Power | 475 W | 472 W | +3 W |


## Efficiency


| Measure | Bisol | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.50% | 24.40% | +0.90 pp |
| Avg Efficiency | 21.75% | 20.66% | +1.09 pp |


## Reliability & Warranty


| Measure | Bisol | Canadian Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.291%/°C | -0.331%/°C | +0.041 |
| Bifacial Share | 1 (8%) | 133 (46%) | +37 pp |
| Avg Warranty | 29.6 yrs | 28.2 yrs | +1.4 yr |


## Efficiency distribution

Bisol skews to higher efficiency: 33% of lineup is 23%+


| Efficiency band | Bisol | Canadian Solar |
| --- | --- | --- |
| \<20% | 2 (16.7%) | 128 (43.8%) |
| 20-21% | 1 (8.3%) | 36 (12.3%) |
| 22-23% | 5 (41.7%) | 50 (17.1%) |
| 23%+ | 4 (33.3%) | 37 (12.7%) |
| 21-22% | 0 | 41 (14.0%) |


## Power distribution

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


| Power band | Bisol | Canadian Solar |
| --- | --- | --- |
| \<400W | 2 (16.7%) | 104 (35.6%) |
| 400-499W | 4 (33.3%) | 72 (24.7%) |
| 500-599W | 6 (50.0%) | 45 (15.4%) |
| 600-699W | 0 | 64 (21.9%) |
| 700W+ | 0 | 7 (2.4%) |


## Cell technology

Dominant cell tech: **PERC** (58%)

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


| Technology | Bisol | Canadian Solar |
| --- | --- | --- |
| PERC | 7 (58.3%) | 195 (66.8%) |
| TOPCon | 5 (41.7%) | 85 (29.1%) |
| HJT | 0 | 12 (4.1%) |


## Top panels, Bisol


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [BGO 580](https://comparepv.com/panel/bisol-bgo-580) | 580 | 23.5 | -0.290 | Monocrystalline |
| 2 | [BGO 570](https://comparepv.com/panel/bisol-bgo-570) | 570 | 23.1 | -0.290 | Monocrystalline |
| 3 | [BGO 560](https://comparepv.com/panel/bisol-bgo-560) | 560 | 22.7 | -0.290 | Monocrystalline |
| 4 | [BBO 520](https://comparepv.com/panel/bisol-bbo-520) | 520 | 23.2 | -0.290 | Monocrystalline |
| 5 | [BBO 510](https://comparepv.com/panel/bisol-bbo-510) | 510 | 22.8 | -0.290 | Monocrystalline |
| 6 | [BBO 500](https://comparepv.com/panel/bisol-bbo-500) | 500 | 22.3 | -0.290 | Monocrystalline |
| 7 | [BDO 460](https://comparepv.com/panel/bisol-bdo-460) | 460 | 23.0 | -0.290 | Monocrystalline |
| 8 | [BDO 450](https://comparepv.com/panel/bisol-bdo-450) | 450 | 22.5 | -0.290 | Monocrystalline |
| 9 | [BDO 440](https://comparepv.com/panel/bisol-bdo-440) | 440 | 22.0 | -0.290 | Monocrystalline |
| 10 | [BDO 410](https://comparepv.com/panel/bisol-bdo-410) | 410 | 20.5 | -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

Bisol is a Slovenian module manufacturer founded in 2004 by Dr. Uros Merc, producing panels domestically in Slovenia under a genuine "Made in Europe" label. Its annual production capacity sits around 750 MW, making it one of the largest authentic European panel makers, though this is modest next to global-scale competitors. Bisol has publicly stated it does not pursue BloombergNEF Tier 1 listing, arguing the ranking measures bankability rather than technical quality, even though with more than 2 GW of modules installed worldwide it would meet the underlying bankability thresholds. Canadian Solar, founded in 2001 in Guelph, Ontario by Dr. Shawn Qu, operates at a dramatically larger scale, with module manufacturing capacity reported in the tens of gigawatts per year, a long-standing position on the BNEF Tier 1 list, a Nasdaq listing, and offices across dozens of countries. Canadian Solar clearly holds the stronger institutional and financial footprint of the two.

Bisol's lineup centers on monocrystalline panels from roughly 340W to 580W, built on a mix of PERC and increasingly TOPCon cells, aimed mainly at residential and smaller commercial rooftop installations across Europe, where buyers value shorter supply chains and verified European origin. Canadian Solar's portfolio is considerably broader, spanning residential modules, C&I products, and high-power TOPCon 3.0 utility-scale panels reaching up to 670W and 24.8 percent efficiency, alongside anti-hail reinforced-glass modules and residential battery storage systems like the EP Cube. This breadth lets Canadian Solar serve everything from rooftop homes to multi-megawatt solar farms.

For a typical international buyer, the choice comes down to priorities: Bisol suits installers and homeowners who specifically want a smaller, European-manufactured product with local traceability, while Canadian Solar's scale, Tier 1 standing, and wider product range make it the safer default for larger or more demanding projects. Both brands are credible and well-regarded, but they are not fully interchangeable given the gap in manufacturing scale and market strategy.

Written by claude-sonnet-5 from the figures above.


## Other comparisons

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


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

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