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JA Solar vs Motech - solar panel manufacturer comparison

JA Solar
China Founded 2005 Tier 1
Read the JA Solar review
VS
Motech
Taiwan Founded 1981
Read the Motech review
At a glance

JA Solar has the broader catalog (504 vs 28 models). JA Solar leads on peak efficiency at 24.80%. JA Solar leans bifacial (47% 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
504 28
Highest power
740 Wp 590 Wp
Best efficiency
24.8% 22.9%
Average efficiency
21.1% 20.1%
Bifacial share
47% 11%
Average warranty
28 yrs 25 yrs
01

The two companies

Company facts, not datasheet figures
JA Solar

JA Solar is a global leader in the manufacturing of high-performance photovoltaic products. Founded in 2005, the company designs, develops, manufactures, and sells solar cells and modules. JA Solar's products are used in ground-mounted power plants, commercial & industrial rooftop PV systems, and residential rooftop...

Founded
2005
Headquarters
Beijing, China
Annual capacity
100+ GW/year
Employees
37,289
Tier 1 bankable
Yes
Motech

Motech Industries Inc. is dedicated to the research, development, and manufacture of high-quality solar products and services, ranging from photovoltaic (PV) cells, PV modules, to PV power systems. The company has evolved from a test and measurement instruments designer and manufacturer to a full-service global solar...

Founded
1981
Headquarters
Tainan City, Taiwan
Annual capacity
1.2+ GW/year
Employees
2,340
02

Catalogue against catalogue

Averages over every model in the database
Metric JA Solar Motech
Catalog & Power
Panel Models 504+476 28
Max Power 740 W+150 W 590 W
Avg Power 456 W+35 W 421 W
Efficiency
Max Efficiency 24.80%+1.90 pp 22.90%
Avg Efficiency 21.13%+1.04 pp 20.10%
Reliability & Warranty
Avg Temp Coefficient -0.322%/°C+0.038 -0.360%/°C
Bifacial Share 238 (47%)+37 pp 3 (11%)
Avg Warranty 27.9 yrs+2.9 yr 25.0 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

JA Solar skews to higher efficiency: 15% of lineup is 23%+

Power spread
Share of each catalogue in every power band

JA Solar offers more 600W+ panels (14% of lineup)

JA Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (49%)

Motech cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>N-type</strong> (11%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

JA Solar and Motech represent two fundamentally different tiers of the solar PV industry. JA Solar, founded in 2005 and headquartered in China, ranks among the top global module manufacturers with a production capacity exceeding 100 GW and a workforce of over 37,000 employees. The company holds confirmed Tier 1 bankable status - achieving an AAA rating from PV ModuleTech and recognition from S&P Global Commodity Insights - and is listed on the Shenzhen Stock Exchange (SZSE). Motech, by contrast, was founded in 1981 in Tainan, Taiwan, and is listed on the Taipei Exchange (TPEX). With approximately 2,340 employees and a production capacity of around 1.2 GW, Motech operates primarily as a solar cell manufacturer rather than a finished-module brand, and does not appear as a panel supplier in mainstream module databases. Motech's Tier 1 bankable status as a module brand has not been confirmed in available industry sources.

JA Solar's portfolio spans over 524 module models, with a maximum output of 740 Wp and peak efficiency reaching 24.4%. The dominant cell technology is PERC (over 52% of the lineup), complemented by a growing TOPCon offering under the flagship 4.0 Pro series. Average module efficiency sits at approximately 20.9% with an average warranty term exceeding 27 years, making JA Solar well-suited for residential rooftop installs, commercial C&I projects, and large utility-scale ground-mount deployments across Europe and other global markets. Motech's business model is oriented toward cell supply - the company is scaling TOPCon cell capacity from 4 GW to 8 GW annually, developing a 2.5 GW HJT facility, and targeting mass production of tandem cells at 28-30% efficiency by mid-2025. Motech's finished modules are not widely distributed in European retail or project channels, with its installation activity focused mainly on Taiwanese government and large-scale commercial rooftop projects.

For international buyers choosing between the two, JA Solar is the practical choice for virtually any project type requiring bankable, widely distributed, and competitively priced modules with a proven global service network. Motech is a technically forward-looking cell manufacturer worth monitoring for next-generation cell technology development, but it does not currently function as a comparable finished-module supplier in most markets outside Asia.

Generated by Claude Sonnet · 2026-05-13

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 393 JA 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.