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JA Solar vs Mogen Solar - solar panel manufacturer comparison

JA Solar
China Founded 2005 Tier 1
Read the JA Solar review
VS
Mogen Solar
Headquarters not published
Read the Mogen Solar review
At a glance

JA Solar has the broader catalog (504 vs 5 models). JA Solar leads on peak efficiency at 24.80%. Mogen Solar leans bifacial (100% 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 5
Highest power
740 Wp 435 Wp
Best efficiency
24.8% 22.0%
Average efficiency
21.1% 21.5%
Bifacial share
47% 100%
Average warranty
28 yrs 30 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
02

Catalogue against catalogue

Averages over every model in the database
Metric JA Solar Mogen Solar
Catalog & Power
Panel Models 504+499 5
Max Power 740 W+305 W 435 W
Avg Power 456 W+32 W 424 W
Efficiency
Max Efficiency 24.80%+2.80 pp 22.00%
Avg Efficiency 21.13% 21.52%+0.39 pp
Reliability & Warranty
Avg Temp Coefficient -0.322%/°C -0.300%/°C+0.022
Bifacial Share 238 (47%) 5 (100%)+53 pp
Avg Warranty 27.9 yrs 30.0 yrs+2.1 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

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%)

Mogen Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (100%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

JA Solar is one of the world's largest solar panel manufacturers, founded in 2005 and headquartered in China, with shares listed on the Shenzhen Stock Exchange. With over 37,000 employees and a production capacity exceeding 100 GW annually, the company consistently ranks among the top global module suppliers by shipment volume. JA Solar has held Tier 1 bankable status with BloombergNEF for over a decade, reaffirmed by S&P Global Commodity Insights in 2025, and has been recognized as a PVEL Top Performer for the tenth consecutive time. Mogen Solar, by contrast, is a considerably smaller manufacturer with no Tier 1 bankable designation, a public product portfolio of just 5 modules, and limited publicly available information regarding its founding history, employee headcount, or annual production scale.

JA Solar's broad portfolio of 524 models delivers an average module power of 441.7 Wp, a maximum efficiency of 24.4%, and an average efficiency of 20.87%, with 44.27% of its lineup comprising bifacial panels. Its technology mix is predominantly PERC - representing over 52% of models - alongside a growing TOPCon segment, making it well-suited for residential rooftop installs, commercial and industrial (C&I) projects, and large utility-scale ground-mount farms. Mogen Solar's compact five-model range is built entirely on TOPCon technology with 100% bifacial modules, achieving an average efficiency of 21.52% - slightly above JA Solar's portfolio average - and a marginally better temperature coefficient of -0.3%/°C versus JA Solar's -0.3226%/°C. This focused positioning makes Mogen Solar a candidate for ground-mount or flat-roof applications where rear-side irradiance gain is achievable and buyers specifically require modern N-type bifacial modules.

For most international buyers operating under project finance or EPC contracts with bankability requirements, JA Solar represents the lower-risk choice, backed by its Tier 1 status, global distribution infrastructure, and independently verified reliability credentials. Mogen Solar may appeal to smaller integrators or cost-sensitive buyers who prioritize an all-bifacial TOPCon lineup and face fewer bankability constraints, but the limited public track record and absence of Tier 1 recognition introduce meaningful counterparty and long-term warranty risk for larger or finance-dependent projects.

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 386 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.