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JA Solar vs SunEvo Solar - solar panel manufacturer comparison

JA Solar
China Founded 2005 Tier 1
Read the JA Solar review
VS
SunEvo Solar
China
Read the SunEvo Solar review
At a glance

JA Solar has the broader catalog (504 vs 204 models). JA Solar leads on peak efficiency at 24.80%.

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
504 204
Highest power
740 Wp 750 Wp
Best efficiency
24.8% 24.1%
Average efficiency
21.1% 21.9%
Bifacial share
47% 47%
Average warranty
28 yrs 28 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
SunEvo Solar
Headquarters
Hefei, China
02

Catalogue against catalogue

Averages over every model in the database
Metric JA Solar SunEvo Solar
Catalog & Power
Panel Models 504+300 204
Max Power 740 W 750 W+10 W
Avg Power 456 W 528 W+72 W
Efficiency
Max Efficiency 24.80%+0.70 pp 24.10%
Avg Efficiency 21.13% 21.92%+0.78 pp
Reliability & Warranty
Avg Temp Coefficient -0.322%/°C -0.303%/°C+0.019
Bifacial Share 238 (47%)+0 pp 96 (47%)
Avg Warranty 27.9 yrs 28.2 yrs+0.3 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

SunEvo Solar offers more 600W+ panels (32% of lineup)

JA Solar cell technology
Share of their models by cell architecture

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

SunEvo Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (47%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

JA Solar, founded in 2005 and headquartered in China, is one of the world's largest solar module manufacturers, holding confirmed Tier 1 bankability status from S&P Global Commodity Insights and jointly topping Wood Mackenzie's Global Solar Module Manufacturer Ranking for H1 2025 alongside Trinasolar. With a manufacturing capacity exceeding 100 GW and a workforce of over 37,000 employees, the company ships panels to markets worldwide and is publicly listed on the Shenzhen Stock Exchange. SunEvo Solar is a smaller Chinese manufacturer that does not appear on recognized Tier 1 bankability lists maintained by independent financial analysts - a critical distinction for project finance and lender acceptance. While JA Solar's scale and institutional track record make it a default choice for large buyers, SunEvo competes on the strength of a more technically modern product portfolio.

JA Solar's 524-panel lineup is led by PERC cell technology (52.1% of the portfolio), with a maximum output of 740 Wp, average module efficiency of 20.9%, and a peak efficiency of 24.4%. This broad, mature portfolio suits residential rooftop installations, utility-scale ground-mount projects, and commercial C&I applications equally well, with the brand's Tier 1 bankability being decisive in debt-financed project pipelines across Europe and beyond. SunEvo Solar's 204-panel portfolio is anchored by n-type TOPCon technology (47.1% of the lineup), delivering a notably higher average power of 528 Wp and average efficiency of 21.9%, alongside a better average temperature coefficient of -0.303 %/°C compared to JA Solar's -0.323 %/°C. This positions SunEvo as a technically competitive option for space-constrained rooftop installations and commercial projects where maximizing per-panel yield is a priority. SunEvo also edges ahead on bifacial share (47.1% vs 44.3%) and average warranty length (28.2 vs 27.9 years).

For international buyers, JA Solar is the lower-risk choice when bankability, long-term supply security, and lender acceptance are non-negotiable - particularly for utility-scale or C&I projects requiring project finance or EPC contractor approval. SunEvo Solar may appeal to buyers prioritizing cutting-edge n-type TOPCon specifications and higher average wattage at competitive pricing, but the absence of recognized Tier 1 status introduces additional due diligence requirements and may complicate financing arrangements for larger installations. Both manufacturers offer broadly comparable maximum efficiency levels and warranty terms near 28 years, so the decision ultimately hinges on scale, brand recognition, and financial acceptability rather than raw panel performance alone.

Generated by Claude Sonnet · 2026-05-08

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 333 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.