Skip to main content

Canadian Solar vs Silfab - solar panel manufacturer comparison

Canadian Solar
Canada Founded 2001 Tier 1
Read the Canadian Solar review
VS
Silfab
Canada Founded 2010 Tier 1
Read the Silfab review
At a glance

Canadian Solar has the broader catalog (292 vs 47 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% of lineup).

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 47
Highest power
730 Wp 640 Wp
Best efficiency
24.4% 22.9%
Average efficiency
20.7% 20.6%
Bifacial share
46% 30%
Average warranty
28 yrs 30 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
Silfab

Silfab Solar is a North American leader in the design, development, and manufacture of high-efficiency, premium-quality solar cells and modules. Leveraging over 40 years of solar experience, they operate fully automated facilities in Washington, South Carolina, and Ontario, Canada. Their products are designed and...

Founded
2010
Headquarters
Mississauga, Canada
Annual capacity
1.6 GW/year
Employees
800+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Canadian Solar Silfab
Catalog & Power
Panel Models 292+245 47
Max Power 730 W+90 W 640 W
Avg Power 472 W+43 W 429 W
Efficiency
Max Efficiency 24.40%+1.48 pp 22.92%
Avg Efficiency 20.66%+0.09 pp 20.56%
Reliability & Warranty
Avg Temp Coefficient -0.331%/°C+0.010 -0.341%/°C
Bifacial Share 133 (46%)+16 pp 14 (30%)
Avg Warranty 28.2 yrs 30.0 yrs+1.8 yr

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

Canadian Solar skews to higher efficiency: 13% 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%)

Silfab cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (45%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Canadian Solar was founded in Canada in 2001 and has grown into a globally listed (NASDAQ) manufacturer with manufacturing spread across China, Southeast Asia, and an expanding US footprint. It consistently appears on Tier 1 and bankability lists, and its annual module production capacity is reported in the range of roughly 50 GW, giving it substantial scale and strong recognition among project financiers worldwide. Silfab Solar, also Canadian in origin, operates a much smaller, regionally focused manufacturing base in Canada and the United States, including a newer Fort Mill, South Carolina facility; it too holds Tier 1 status, independently vetted by Kiwa-PVEL and RETC testing labs, but its institutional footprint rests on North American domestic content rather than global scale.

Canadian Solar's product range centers on TOPCon n-type modules such as the TOPHiKu6 and TOPBiHiKu7 lines, alongside an emerging HJT lineup, serving residential, commercial and industrial, and utility-scale ground-mount projects alike. Silfab's portfolio is more narrowly targeted at North American residential and C&I buyers, with the Prime series (N-type, black aesthetic panels) for homeowners, the flagship Elite series using proprietary X-Cell back-contact design for maximum efficiency, and a Commercial NTC line for larger installations; utility-scale offerings are a more recent addition for the company.

For a typical buyer, Canadian Solar is the more broadly available and better-proven choice for large-scale or price-sensitive projects thanks to its manufacturing scale, while Silfab's appeal is concentrated in US and Canadian markets seeking domestically produced, high-efficiency residential and commercial panels. The two are not truly interchangeable outside North America - Silfab is essentially unavailable in most international markets - so the right pick depends heavily on project location and whether domestic-content requirements or global scale matter more.

Generated by Claude Sonnet 5 · 2026-09-08

06

Other brand comparisons

Build your own
Manufacturers
Canadian Solar A.B. Energy
Manufacturers
AE Solar Silfab
Manufacturers
Canadian Solar AEET
Manufacturers
AIKO Silfab
Manufacturers
Canadian Solar AKCOME
Manufacturers
ARTsolar Silfab
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 2 Silfab 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.