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

# JA Solar vs AE Solar

AE Solar has the broader catalog (646 vs 504 models). JA Solar leads on peak efficiency at 24.80%. AE Solar leans bifacial (63% of lineup).


## The two companies


| Attribute | JA Solar | AE Solar |
| --- | --- | --- |
| Country | China | Germany |
| Headquarters | Beijing | Gersthofen |
| Founded | 2005 | 2003 |
| Employees | 37,289 | 501-1000 |
| Annual capacity | 100+ GW/year | 2+ GW/year |
| Tier 1 | yes | yes |
| Listed | SZSE: 002459 |  |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://ae-solar.com](https://ae-solar.com) |

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...

AE Solar is a German Tier 1 manufacturer of high-efficiency photovoltaic (PV) modules. The company specializes in producing durable and innovative solar panels with German engineering standards, offering solutions for residential, commercial, and utility-scale applications. AE Solar operates in over 100 countries and...


## Catalog & Power


| Measure | JA Solar | AE Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 646 | +142 |
| Max Power | 740 W | 730 W | +10 W |
| Avg Power | 456 W | 489 W | +33 W |


## Efficiency


| Measure | JA Solar | AE Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 24.43% | +0.37 pp |
| Avg Efficiency | 21.13% | 21.11% | +0.03 pp |


## Reliability & Warranty


| Measure | JA Solar | AE Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.312%/°C | +0.010 |
| Bifacial Share | 238 (47%) | 405 (63%) | +15 pp |
| Avg Warranty | 27.9 yrs | 29.7 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | AE Solar |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 74 (11.5%) |
| 20-21% | 99 (19.6%) | 171 (26.5%) |
| 21-22% | 112 (22.2%) | 142 (22.0%) |
| 22-23% | 107 (21.2%) | 199 (30.8%) |
| 23%+ | 74 (14.7%) | 60 (9.3%) |


## Power distribution

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


| Power band | JA Solar | AE Solar |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 78 (12.1%) |
| 400-499W | 173 (34.3%) | 329 (50.9%) |
| 500-599W | 120 (23.8%) | 154 (23.8%) |
| 600-699W | 60 (11.9%) | 55 (8.5%) |
| 700W+ | 9 (1.8%) | 30 (4.6%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (54%)


| Technology | JA Solar | AE Solar |
| --- | --- | --- |
| PERC | 247 (49.0%) | 245 (37.9%) |
| TOPCon | 146 (29.0%) | 349 (54.0%) |
| N-type | 90 (17.9%) | 17 (2.6%) |
| Unknown | 16 (3.2%) | 0 |
| HJT | 5 (1.0%) | 5 (0.8%) |
| Back Contact | 0 | 21 (3.3%) |
| BIPV | 0 | 9 (1.4%) |


## 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 |


## Top panels, AE Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [CME-132BDS-730](https://comparepv.com/panel/ae-solar-cme-132bds-730) | 730 | 23.5 | -0.290 | Monocrystalline |
| 2 | [CME-132BDS-730W](https://comparepv.com/panel/ae-solar-cme-132bds-730w) | 730 | 23.5 | -0.290 | Monocrystalline |
| 3 | [CME-132BDS-725](https://comparepv.com/panel/ae-solar-cme-132bds-725) | 725 | 23.4 | -0.290 | Monocrystalline |
| 4 | [CME-132-725W](https://comparepv.com/panel/ae-solar-cme-132-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 5 | [CME-132BDS-725W](https://comparepv.com/panel/ae-solar-cme-132bds-725w) | 725 | 23.4 | -0.290 | Monocrystalline |
| 6 | [AE CME-132 720](https://comparepv.com/panel/ae-solar-ae-cme-132-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 7 | [CME-132BDS-720](https://comparepv.com/panel/ae-solar-cme-132bds-720) | 720 | 23.2 | -0.290 | Monocrystalline |
| 8 | [AE CME-132-720](https://comparepv.com/panel/ae-solar-ae-cme-132-720-1) | 720 | 23.2 | -0.290 | Monocrystalline |
| 9 | [CME-132-720W](https://comparepv.com/panel/ae-solar-cme-132-720w) | 720 | 23.2 | -0.290 | Monocrystalline |
| 10 | [CME-132BDS-720W](https://comparepv.com/panel/ae-solar-cme-132bds-720w) | 720 | 23.2 | -0.290 | Monocrystalline |


## Summary

AE Solar was founded in 2003 in Gersthofen, Germany, and has grown into a globally recognized Tier 1 manufacturer with a production capacity exceeding 2 GW per year across facilities in China, Georgia, and Turkey. Present in more than 95 countries, the company holds Bloomberg Tier 1 bankability status and earned PVEL PV Module Reliability Scorecard Top Performer recognition in 2023 for outstanding performance in thermal cycling and mechanical stress tests. JA Solar, founded in China in 2005 and publicly listed on the Shenzhen Stock Exchange (SZSE), operates at an entirely different scale - with more than 37,000 employees and a production capacity exceeding 100 GW annually, it ranks among the two largest solar panel manufacturers in the world, placing 2nd in global shipments per SolarReviews 2025 and earning PVEL Top Performer status for the tenth consecutive year.

On the technology front, AE Solar has positioned over half of its 442-panel portfolio around N-type TOPCon cells, delivering a higher average module efficiency of 21.34% and a peak of 24.43 Wp, with an average module power of approximately 497 Wp. Its bifacial module share of nearly 64% makes it particularly well-suited for ground-mount systems and flat-roof commercial projects where rear-side albedo gains are available - a strong fit for residential prosumer rooftops and mid-scale C&I installations where efficiency density matters. JA Solar's larger 524-panel portfolio is still led by PERC technology (around 52%), though the company is actively scaling its TOPCon lineup - the DeepBlue 4.0 Pro series reaches efficiencies up to 24.4% with a maximum power output of 740 Wp. Competitive pricing estimated at around $2.91 per watt in 2025 and a massive supply chain make JA Solar the default choice for utility-scale ground-mount projects and large C&I installations where cost per watt and volume reliability are the primary criteria.

For buyers choosing between the two, the decision comes down to scale and positioning. AE Solar offers a curated, European-branded portfolio with a longer average warranty of nearly 30 years and higher average module power - appealing to residential and commercial installers who prioritize efficiency density and long-term product support. JA Solar delivers unmatched volume, supply chain depth, and pricing competitiveness, which is decisive for large-scale project developers and EPC contractors managing multi-megawatt pipelines. Both are bankable Tier 1 manufacturers with strong track records suitable for project financing across Europe and beyond.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/ja-solar-vs-ae-solar

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