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CW Enerji vs JA Solar - solar panel manufacturer comparison

CW Enerji
Turkey Founded 2010
Read the CW Enerji 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 15 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
15 504
Highest power
550 Wp 740 Wp
Best efficiency
21.4% 24.8%
Average efficiency
20.5% 21.1%
Bifacial share
0% 47%
Average warranty
30 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
CW Enerji

CW Enerji is a Turkish solar panel manufacturer and energy solutions provider established in 2010, headquartered in Antalya. The company produces monocrystalline and TopCon N-Type solar panels with an annual capacity of 1.8 GW, and also offers energy storage, EV charging, and heat pump solutions. It is publicly traded...

Founded
2010
Headquarters
Antalya, Turkey
Annual capacity
1-2 GW/year
Employees
1000-2000
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 CW Enerji JA Solar
Catalog & Power
Panel Models 15 504+489
Max Power 550 W 740 W+190 W
Avg Power 475 W+19 W 456 W
Efficiency
Max Efficiency 21.36% 24.80%+3.44 pp
Avg Efficiency 20.51% 21.13%+0.62 pp
Reliability & Warranty
Avg Temp Coefficient -0.357%/°C -0.322%/°C+0.035
Bifacial Share 0 (0%) 238 (47%)+47 pp
Avg Warranty 30.0 yrs+2.1 yr 27.9 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)

CW Enerji cell technology
Share of their models by cell architecture

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

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...

CW Enerji is a Turkish solar panel manufacturer founded in 2010 and listed on the BIST stock exchange in Istanbul. With a workforce of 1,000-2,000 employees and an annual production capacity of 1-2 GW, the company operates primarily as a regional manufacturer exporting to Europe and the United States, and does not carry a formal Tier 1 bankability designation from major financial analysts. JA Solar, by contrast, is a Chinese manufacturer founded in 2005 and listed on the SZSE in Shenzhen, employing over 37,000 staff and operating at a production scale exceeding 100 GW annually - ranking it consistently among the top two solar panel shipment leaders worldwide. JA Solar holds Tier 1 bankable status, which significantly reduces financing risk on large projects, and received PVEL "Top Performer" recognition for the tenth consecutive time in 2025, underscoring its reliability credentials.

CW Enerji's portfolio of 15 models is built entirely on PERC cell technology, with a maximum panel output of 550 Wp, an average module efficiency of approximately 20.5%, and an average temperature coefficient of -0.357%/°C. The 30-year performance warranty is a notable strength. However, the absence of bifacial or TOPCon products limits its competitiveness for advanced or large-scale applications, and the portfolio size restricts flexibility for diverse project requirements. JA Solar offers a far broader catalog of 524 models spanning both PERC and TOPCon technologies, with over 44% of its portfolio consisting of bifacial panels and a maximum module efficiency of 24.4%. Its average temperature coefficient of -0.323%/°C gives a modest but real thermal performance edge in hot climates. This diversity makes JA Solar a credible choice across residential rooftop installs, commercial C&I projects, and utility-scale ground-mount deployments alike.

For international buyers choosing between the two, JA Solar is the stronger proposition for most project types, supported by its Tier 1 bankability, massive manufacturing scale, and a product range that covers both mature PERC and next-generation TOPCon technologies. CW Enerji offers a credible alternative for buyers who prioritize a non-Asian, European-proximate supply chain - particularly relevant where procurement rules, import tariff structures, or supply chain diversification requirements favor Turkish-origin goods. For standard residential or commercial projects without such constraints, JA Solar's broader portfolio, verified long-term reliability, and financial standing give it a clear advantage.

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 4 CW Enerji offers · 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.