---
title: "CW Enerji vs JA Solar - Brand Comparison | ComparePV"
description: "Compare CW Enerji vs JA Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/cw-enerji-vs-ja-solar"
---

# CW Enerji vs JA Solar

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).


## The two companies


| Attribute | CW Enerji | JA Solar |
| --- | --- | --- |
| Country | Turkey | China |
| Headquarters | Antalya | Beijing |
| Founded | 2010 | 2005 |
| Employees | 1000-2000 | 37,289 |
| Annual capacity | 1-2 GW/year | 100+ GW/year |
| Tier 1 |  | yes |
| Listed | BIST: CWENE | SZSE: 002459 |
| Website | [https://cw-enerji.com](https://cw-enerji.com) | [https://www.jasolar.com](https://www.jasolar.com) |

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...

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...


## Catalog & Power


| Measure | CW Enerji | JA Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 15 | 504 | +489 |
| Max Power | 550 W | 740 W | +190 W |
| Avg Power | 475 W | 456 W | +19 W |


## Efficiency


| Measure | CW Enerji | JA Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 21.36% | 24.80% | +3.44 pp |
| Avg Efficiency | 20.51% | 21.13% | +0.62 pp |


## Reliability & Warranty


| Measure | CW Enerji | JA Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.357%/°C | -0.322%/°C | +0.035 |
| Bifacial Share | 0 (0%) | 238 (47%) | +47 pp |
| Avg Warranty | 30.0 yrs | 27.9 yrs | +2.1 yr |


## Efficiency distribution

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


| Efficiency band | CW Enerji | JA Solar |
| --- | --- | --- |
| \<20% | 3 (20.0%) | 112 (22.2%) |
| 20-21% | 8 (53.3%) | 99 (19.6%) |
| 21-22% | 4 (26.7%) | 112 (22.2%) |
| 22-23% | 0 | 107 (21.2%) |
| 23%+ | 0 | 74 (14.7%) |


## Power distribution

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


| Power band | CW Enerji | JA Solar |
| --- | --- | --- |
| 400-499W | 10 (66.7%) | 173 (34.3%) |
| 500-599W | 5 (33.3%) | 120 (23.8%) |
| \<400W | 0 | 142 (28.2%) |
| 600-699W | 0 | 60 (11.9%) |
| 700W+ | 0 | 9 (1.8%) |


## Cell technology

Dominant cell tech: **PERC** (100%)

Dominant cell tech: **PERC** (49%)


| Technology | CW Enerji | JA Solar |
| --- | --- | --- |
| PERC | 15 (100.0%) | 247 (49.0%) |
| TOPCon | 0 | 146 (29.0%) |
| N-type | 0 | 90 (17.9%) |
| Unknown | 0 | 16 (3.2%) |
| HJT | 0 | 5 (1.0%) |


## Top panels, CW Enerji


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CWT550-144PM10](https://comparepv.com/panel/cw-enerji-cwt550-144pm10) | 550 | 21.3 | -0.350 | Monocrystalline |
| 2 | [CWT545-144PM10](https://comparepv.com/panel/cw-enerji-cwt545-144pm10) | 545 | 21.1 | -0.350 | Monocrystalline |
| 3 | [CWT540-144PM10](https://comparepv.com/panel/cw-enerji-cwt540-144pm10) | 540 | 20.9 | -0.350 | Monocrystalline |
| 4 | [CWT535-144PM10](https://comparepv.com/panel/cw-enerji-cwt535-144pm10) | 535 | 20.7 | -0.350 | Monocrystalline |
| 5 | [CWT530-144PM10](https://comparepv.com/panel/cw-enerji-cwt530-144pm10) | 530 | 20.5 | -0.350 | Monocrystalline |
| 6 | [CWT465-144MB](https://comparepv.com/panel/cw-enerji-cwt465-144mb) | 465 | 21.4 | -0.360 | Monocrystalline |
| 7 | [CWT460-144MB](https://comparepv.com/panel/cw-enerji-cwt460-144mb) | 460 | 21.1 | -0.360 | Monocrystalline |
| 8 | [CWT455-144MB](https://comparepv.com/panel/cw-enerji-cwt455-144mb) | 455 | 20.9 | -0.360 | Monocrystalline |
| 9 | [CWT450-144MB](https://comparepv.com/panel/cw-enerji-cwt450-144mb) | 450 | 20.7 | -0.360 | Monocrystalline |
| 10 | [CWT445-144MB](https://comparepv.com/panel/cw-enerji-cwt445-144mb) | 445 | 20.4 | -0.360 | Monocrystalline |


## Top panels, JA Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JAM66D46-740/LB](https://comparepv.com/panel/ja-solar-jam66d46-740-lb) | 740 | 23.8 | -0.290 | Monocrystalline |
| 2 | [JAM66D46-735/LB](https://comparepv.com/panel/ja-solar-jam66d46-735-lb) | 735 | 23.7 | -0.290 | Monocrystalline |
| 3 | [JAM66D46-730/LB](https://comparepv.com/panel/ja-solar-jam66d46-730-lb) | 730 | 23.5 | -0.290 | Monocrystalline |
| 4 | [JAM66D46-725/LB](https://comparepv.com/panel/ja-solar-jam66d46-725-lb) | 725 | 23.3 | -0.290 | Monocrystalline |
| 5 | [JAM66D46-720/LB](https://comparepv.com/panel/ja-solar-jam66d46-720-lb) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [JAM66D46-715/LB](https://comparepv.com/panel/ja-solar-jam66d46-715-lb) | 715 | 23.0 | -0.290 | Monocrystalline |
| 7 | [JAM66D46-710/LB](https://comparepv.com/panel/ja-solar-jam66d46-710-lb) | 710 | 22.9 | -0.290 | Monocrystalline |
| 8 | [JAM66D46-705/LB](https://comparepv.com/panel/ja-solar-jam66d46-705-lb) | 705 | 22.7 | -0.290 | Monocrystalline |
| 9 | [JAM66D46-700/LB](https://comparepv.com/panel/ja-solar-jam66d46-700-lb) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [JAM66D46-695/LB](https://comparepv.com/panel/ja-solar-jam66d46-695-lb) | 695 | 22.4 | -0.290 | Monocrystalline |


## Summary

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.

Written by claude-sonnet from the figures above.


## Other comparisons

- [CW Enerji vs A.B. Energy](https://comparepv.com/cw-enerji-vs-a-b-energy)
- [AE Solar vs JA Solar](https://comparepv.com/ae-solar-vs-ja-solar)
- [CW Enerji vs AEET](https://comparepv.com/cw-enerji-vs-aeet)
- [AIKO vs JA Solar](https://comparepv.com/aiko-vs-ja-solar)
- [CW Enerji vs AKCOME](https://comparepv.com/cw-enerji-vs-akcome)
- [ARTsolar vs JA Solar](https://comparepv.com/artsolar-vs-ja-solar)


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Source: https://comparepv.com/cw-enerji-vs-ja-solar

Not in this file, on the page: the distributions above drawn as charts.