Skip to main content

Canadian Solar vs Heckert Solar - solar panel manufacturer comparison

Canadian Solar
Canada Founded 2001 Tier 1
Read the Canadian Solar review
VS
Heckert Solar
Germany Founded 1992
Read the Heckert Solar review
At a glance

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

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
292 155
Highest power
730 Wp 715 Wp
Best efficiency
24.4% 24.3%
Average efficiency
20.7% 21.4%
Bifacial share
46% 42%
Average warranty
28 yrs 27 yrs
01

The two companies

Company facts, not datasheet figures
Canadian Solar

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.

Founded
2001
Headquarters
Kitchener, Canada
Annual capacity
51 GW/year
Employees
17,113
Tier 1 bankable
Yes
Heckert Solar

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...

Founded
1992
Headquarters
Chemnitz, Germany
Annual capacity
0.8 GW/year
Employees
201
02

Catalogue against catalogue

Averages over every model in the database
Metric Canadian Solar Heckert Solar
Catalog & Power
Panel Models 292+137 155
Max Power 730 W+15 W 715 W
Avg Power 472 W+52 W 420 W
Efficiency
Max Efficiency 24.40%+0.10 pp 24.30%
Avg Efficiency 20.66% 21.43%+0.77 pp
Reliability & Warranty
Avg Temp Coefficient -0.331%/°C -0.318%/°C+0.013
Bifacial Share 133 (46%)+4 pp 65 (42%)
Avg Warranty 28.2 yrs+1.1 yr 27.1 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

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

Power spread
Share of each catalogue in every power band

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

Canadian Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (67%)

Heckert Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (34%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

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.

Generated by Claude Sonnet 5 · 2026-08-05

06

Other brand comparisons

Build your own
Manufacturers
Canadian Solar A.B. Energy
Manufacturers
AE Solar Heckert Solar
Manufacturers
Canadian Solar AEET
Manufacturers
AIKO Heckert Solar
Manufacturers
Canadian Solar AKCOME
Manufacturers
ARTsolar Heckert Solar
Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 39 Canadian Solar offers · See 16 Heckert Solar offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.