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

# Canadian Solar vs Heckert Solar

Canadian Solar has the broader catalog (292 vs 155 models). Canadian Solar leads on peak efficiency at 24.40%.


## The two companies


| Attribute | Canadian Solar | Heckert Solar |
| --- | --- | --- |
| Country | Canada | Germany |
| Headquarters | Kitchener | Chemnitz |
| Founded | 2001 | 1992 |
| Employees | 17,113 | 201 |
| Annual capacity | 51 GW/year | 0.8 GW/year |
| Tier 1 | yes |  |
| Listed | NASDAQ: CSIQ |  |
| Website | [https://www.canadiansolar.com](https://www.canadiansolar.com) | [https://www.heckertsolar.com/en/](https://www.heckertsolar.com/en/) |

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.

Heckert Solar is a German company based in Chemnitz, Saxony, specializing in the development, production and distribution of solar modules. Founded in 1992, the company has become a leading supplier of photovoltaic products, serving customers in over 120 countries. They manufacture high-quality, durable, and efficient...


## Catalog & Power


| Measure | Canadian Solar | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 292 | 155 | +137 |
| Max Power | 730 W | 715 W | +15 W |
| Avg Power | 472 W | 420 W | +52 W |


## Efficiency


| Measure | Canadian Solar | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.40% | 24.30% | +0.10 pp |
| Avg Efficiency | 20.66% | 21.43% | +0.77 pp |


## Reliability & Warranty


| Measure | Canadian Solar | Heckert Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.331%/°C | -0.318%/°C | +0.013 |
| Bifacial Share | 133 (46%) | 65 (42%) | +4 pp |
| Avg Warranty | 28.2 yrs | 27.1 yrs | +1.1 yr |


## Efficiency distribution

Heckert Solar skews to higher efficiency: 17% of lineup is 23%+


| Efficiency band | Canadian Solar | Heckert Solar |
| --- | --- | --- |
| \<20% | 128 (43.8%) | 27 (17.4%) |
| 20-21% | 36 (12.3%) | 54 (34.8%) |
| 21-22% | 41 (14.0%) | 3 (1.9%) |
| 22-23% | 50 (17.1%) | 44 (28.4%) |
| 23%+ | 37 (12.7%) | 27 (17.4%) |


## Power distribution

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


| Power band | Canadian Solar | Heckert Solar |
| --- | --- | --- |
| \<400W | 104 (35.6%) | 64 (41.3%) |
| 400-499W | 72 (24.7%) | 83 (53.5%) |
| 500-599W | 45 (15.4%) | 0 |
| 600-699W | 64 (21.9%) | 4 (2.6%) |
| 700W+ | 7 (2.4%) | 4 (2.6%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (34%)


| Technology | Canadian Solar | Heckert Solar |
| --- | --- | --- |
| PERC | 195 (66.8%) | 46 (29.7%) |
| TOPCon | 85 (29.1%) | 52 (33.5%) |
| HJT | 12 (4.1%) | 0 |
| Unknown | 0 | 35 (22.6%) |
| Back Contact | 0 | 20 (12.9%) |
| N-type | 0 | 2 (1.3%) |


## 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, Heckert Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ZEUS 2.2 715](https://comparepv.com/panel/heckert-solar-zeus-2-2-715) | 715 | 23.0 | -0.280 | Monocrystalline |
| 2 | [ZEUS 2.2-715](https://comparepv.com/panel/heckert-solar-zeus-2-2-715-1) | 715 | 23.0 | -0.280 | Monocrystalline |
| 3 | [ZEUS 2.2 710](https://comparepv.com/panel/heckert-solar-zeus-2-2-710) | 710 | 22.9 | -0.280 | Monocrystalline |
| 4 | [ZEUS 2.2-710](https://comparepv.com/panel/heckert-solar-zeus-2-2-710-1) | 710 | 22.9 | -0.280 | Monocrystalline |
| 5 | [ZEUS 2.1-640](https://comparepv.com/panel/heckert-solar-zeus-2-1-640) | 640 | 23.7 | -0.280 | Monocrystalline |
| 6 | [ZEUS 2.1 640W](https://comparepv.com/panel/heckert-solar-zeus-2-1-640w) | 640 | 23.7 | -0.280 | Monocrystalline |
| 7 | [ZEUS 2.1-635](https://comparepv.com/panel/heckert-solar-zeus-2-1-635) | 635 | 23.5 | -0.280 | Monocrystalline |
| 8 | [ZEUS 2.1 635W](https://comparepv.com/panel/heckert-solar-zeus-2-1-635w) | 635 | 23.5 | -0.280 | Monocrystalline |
| 9 | [ZEUS 3.0+ 108 490WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp) | 490 | 24.0 | -0.260 | Monocrystalline |
| 10 | [ZEUS 3.0+ 108 490WP PERFORMANCE](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-490wp-performance) | 490 | 24.0 | -0.260 | Monocrystalline |


## Summary

Canadian Solar was founded in 1997 and is nominally headquartered in Canada, though most of its manufacturing footprint sits in China and Southeast Asia. It has been listed on NASDAQ since 2006, appears on S&P Global Commodity Insights' 2025 Tier 1 Cleantech Companies list, and reports production capacity of roughly 61 GW per year as of Q1 2025 BloombergNEF data. Heckert Solar, by contrast, is a much smaller German manufacturer based in Chemnitz, operating since 2001, producing exclusively in Germany (Saxony and Thuringia) with capacity in the 240-300 MW annual range following a recent expansion. In terms of institutional footprint and financial scale, Canadian Solar is clearly the heavier hitter as a publicly traded global player, while Heckert Solar remains a niche, regionally focused manufacturer.

Canadian Solar's catalog spans residential lines like HiKu6 (PERC cells, up to 20.7 percent efficiency) and the higher-end TOPHiKu6 series using TOPCon cells (up to 23 percent efficiency), plus bifacial TOPBiHiKu6/7 modules aimed at commercial and utility-scale ground-mount projects. Heckert Solar concentrates mainly on rooftop and commercial segments, with its glass-glass Zeus series using TOPCon or back-contact cells reaching up to 23.5 percent efficiency, and it markets itself heavily on the fact that production stays entirely within Germany, backed by 30-year warranties.

For a buyer prioritizing bankability, global track record and a broad product range spanning residential to utility-scale, Canadian Solar is the safer default, particularly for larger commercial projects. Heckert Solar suits buyers who value European manufacturing and shorter supply chains, though its smaller scale limits its fit for very large orders.

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


---

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

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