Skip to main content

EGing PV vs JA Solar - solar panel manufacturer comparison

EGing PV
China Founded 2003 Tier 1
Read the EGing PV review
VS
JA Solar
China Founded 2005 Tier 1
Read the JA Solar review
At a glance

JA Solar has the broader catalog (504 vs 131 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
131 504
Highest power
685 Wp 740 Wp
Best efficiency
22.4% 24.8%
Average efficiency
20.9% 21.1%
Bifacial share
39% 47%
Average warranty
27 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
EGing PV
Founded
2003
Headquarters
Changzhou, China
Tier 1 bankable
Yes
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 EGing PV JA Solar
Catalog & Power
Panel Models 131 504+373
Max Power 685 W 740 W+55 W
Avg Power 504 W+48 W 456 W
Efficiency
Max Efficiency 22.45% 24.80%+2.35 pp
Avg Efficiency 20.90% 21.13%+0.24 pp
Reliability & Warranty
Avg Temp Coefficient -0.336%/°C -0.322%/°C+0.014
Bifacial Share 51 (39%) 238 (47%)+8 pp
Avg Warranty 26.9 yrs 27.9 yrs+0.9 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

EGing PV offers more 600W+ panels (22% of lineup)

EGing PV cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (76%)

JA Solar cell technology
Share of their models by cell architecture

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

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

EGing PV and JA Solar are both Chinese solar module manufacturers listed on the Shenzhen Stock Exchange (SZSE) and both hold Tier 1 bankable status. However, they differ substantially in scale, market position, and financial health. JA Solar, founded in 2005, employs over 37,000 people and operates with a production capacity exceeding 100 GW, ranking it among the top two module manufacturers globally. It placed 2nd worldwide in panel shipments and earned Top Performer status for the tenth consecutive time in PVEL's 2025 reliability scorecard. EGing PV, founded in 2003, is a considerably smaller player that has recently faced severe financial headwinds - reporting a net loss of $288 million in 2024, entering a court-supervised pre-restructuring process in early 2026, and operating its module production line at below 40% capacity with cell facilities partially halted. EGing has since secured RMB 819 million in restructuring financing, but operational recovery remains in progress.

On the technical side, JA Solar leads on peak efficiency (24.4% vs. 22.45% for EGing) and temperature coefficient of power (-0.323%/°C vs. -0.336%/°C), meaning lower performance losses during hot weather - an advantage for utility-scale ground-mount projects with high energy yield requirements. JA Solar's portfolio spans 524 module models, offering solutions for residential rooftop installs, commercial and industrial (C&I) projects, and large utility-scale farms. EGing PV's narrower catalog of 131 models features a higher average module power of 504 Wp compared to JA Solar's 442 Wp, which may suit C&I applications requiring high-wattage panels in constrained roof spaces. Both manufacturers rely primarily on PERC cell technology, with JA Solar showing broader diversification into TOPCon. Bifacial share stands at 44.3% for JA Solar and 38.9% for EGing. Average warranty terms are comparable - roughly 27 years for JA Solar and 27 years for EGing.

For international buyers selecting between the two, JA Solar is the lower-risk choice in 2025-2026. Its financial stability, global supply chain depth, European distribution presence, and independently verified reliability make it suitable across all project types and sizes. EGing PV may appeal on unit price in certain markets, but the ongoing restructuring process raises legitimate concerns about long-term warranty support and after-sales service - a critical consideration given 25-30 year product commitments. Buyers evaluating EGing PV should monitor the outcome of its restructuring before committing to large procurement volumes.

Generated by Claude Sonnet · 2026-05-09

06

Other brand comparisons

Build your own
Manufacturers
EGing PV A.B. Energy
Manufacturers
AE Solar JA Solar
Manufacturers
EGing PV AEET
Manufacturers
AIKO JA Solar
Manufacturers
EGing PV AKCOME
Manufacturers
ARTsolar JA Solar
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 3 EGing PV offers · See 389 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.