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Astronergy vs Canadian Solar - solar panel manufacturer comparison

Astronergy
China Founded 2006 Tier 1
Read the Astronergy review
VS
Canadian Solar
Canada Founded 2001 Tier 1
Read the Canadian Solar review
At a glance

Canadian Solar has the broader catalog (292 vs 150 models). Astronergy leads on peak efficiency at 24.80%. Astronergy leans bifacial (69% 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
150 292
Highest power
735 Wp 730 Wp
Best efficiency
24.8% 24.4%
Average efficiency
22.7% 20.7%
Bifacial share
69% 46%
Average warranty
30 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
Astronergy

Astronergy is a global manufacturer and supplier of solar modules, and a subsidiary of Chint Group, one of the world's leading providers of smart energy solutions. The company focuses on the R&D, production, and sales of high-efficiency crystalline silicon PV cells and PV modules. Astronergy has established...

Founded
2006
Headquarters
Hangzhou, China
Annual capacity
76+ GW/year
Employees
12000+
Tier 1 bankable
Yes
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
02

Catalogue against catalogue

Averages over every model in the database
Metric Astronergy Canadian Solar
Catalog & Power
Panel Models 150 292+142
Max Power 735 W+5 W 730 W
Avg Power 540 W+68 W 472 W
Efficiency
Max Efficiency 24.80%+0.40 pp 24.40%
Avg Efficiency 22.71%+2.05 pp 20.66%
Reliability & Warranty
Avg Temp Coefficient -0.293%/°C+0.038 -0.331%/°C
Bifacial Share 104 (69%)+24 pp 133 (46%)
Avg Warranty 29.6 yrs+1.4 yr 28.2 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

Astronergy skews to higher efficiency: 39% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Astronergy offers more 600W+ panels (40% of lineup)

Astronergy cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (89%)

Canadian Solar cell technology
Share of their models by cell architecture

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

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Astronergy is a Chinese solar manufacturer founded in 2006, headquartered in Haining, Zhejiang, and operating as a subsidiary of CHINT Group, an industrial conglomerate established in 1984. The company holds Tier 1 status from both BloombergNEF and S&P Global Commodity Insights, with a production capacity of approximately 56 GW as of mid-2025 and cumulative global shipments exceeding 150 GW. Canadian Solar was founded in 2001 by Dr. Shawn Qu in Ontario, Canada, and remains headquartered in Kitchener, Ontario. It has been publicly listed on NASDAQ since 2006 under the ticker CSIQ and holds a rare dual Tier 1 designation from S&P Global Commodity Insights - covering both PV modules and battery energy storage systems. With a targeted module manufacturing capacity of over 51 GW by end-2025, Canadian Solar carries a broader institutional footprint in Western capital markets owing to its public listing and diversified energy business.

Astronergy has rapidly shifted its portfolio toward n-type TOPCon technology, which now dominates its lineup. The ASTRO N7 series addresses residential and commercial rooftop applications, including an anti-dust variant suited to low-maintenance markets, while the ASTRO N7 Pro - rated up to 670 W with a module efficiency of up to 24.8% - targets utility-scale and commercial-industrial ground-mount projects. The ASTRO N8 bifacial series pushes output further for large-scale plants. Canadian Solar covers comparable ground: the HiKu6 line serves residential and small commercial installations, the TOPHiKu6 series offers monofacial n-type TOPCon modules for self-consumption and mid-scale commercial use, and the bifacial TOPBiHiKu6/7 modules in n-type TOPCon are aimed at C&I and utility-scale projects, with outputs reaching approximately 720 W and above.

For most buyers, both brands represent credible Tier 1 choices backed by comparable technology generations and independent test performance. Astronergy stands out for its aggressive TOPCon procurement pricing and an eight-year consecutive Kiwa PVEL Top Performer record. Canadian Solar's public listing, established acceptance in project-finance due diligence, and dual module-plus-storage Tier 1 status make it the lower-risk default for large institutional or internationally financed projects. For residential and smaller commercial buyers, the two brands are largely interchangeable.

Generated by Claude Sonnet · 2026-07-21

06

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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 36 Astronergy offers · See 39 Canadian 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.