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

# JA Solar vs AEET

JA Solar has the broader catalog (504 vs 5 models). JA Solar leads on peak efficiency at 24.80%. JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | JA Solar | AEET |
| --- | --- | --- |
| Country | China |  |
| Headquarters | Beijing |  |
| Founded | 2005 |  |
| Employees | 37,289 |  |
| Annual capacity | 100+ GW/year |  |
| Tier 1 | yes | no |
| Listed | SZSE: 002459 |  |
| Website | [https://www.jasolar.com](https://www.jasolar.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...


## Catalog & Power


| Measure | JA Solar | AEET | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 5 | +499 |
| Max Power | 740 W | 200 W | +540 W |
| Avg Power | 456 W | 190 W | +266 W |


## Efficiency


| Measure | JA Solar | AEET | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 15.70% | +9.10 pp |
| Avg Efficiency | 21.13% | 14.90% | +6.23 pp |


## Reliability & Warranty


| Measure | JA Solar | AEET | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | - |  |
| Bifacial Share | 238 (47%) | 0 (0%) | +47 pp |
| Avg Warranty | 27.9 yrs | 25.0 yrs | +2.9 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | AEET |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 5 (100.0%) |
| 20-21% | 99 (19.6%) | 0 |
| 21-22% | 112 (22.2%) | 0 |
| 22-23% | 107 (21.2%) | 0 |
| 23%+ | 74 (14.7%) | 0 |


## Power distribution

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


| Power band | JA Solar | AEET |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 5 (100.0%) |
| 400-499W | 173 (34.3%) | 0 |
| 500-599W | 120 (23.8%) | 0 |
| 600-699W | 60 (11.9%) | 0 |
| 700W+ | 9 (1.8%) | 0 |


## Cell technology

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

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


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


## 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, AEET


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SE200M(24)F](https://comparepv.com/panel/aeet-se200m-24-f) | 200 | 15.7 | - | Monocrystalline |
| 2 | [SE195M(24)F](https://comparepv.com/panel/aeet-se195m-24-f) | 195 | 15.3 | - | Monocrystalline |
| 3 | [SE190M(24)F](https://comparepv.com/panel/aeet-se190m-24-f) | 190 | 14.9 | - | Monocrystalline |
| 4 | [SE185M(24)F](https://comparepv.com/panel/aeet-se185m-24-f) | 185 | 14.5 | - | Monocrystalline |
| 5 | [SE180M(24)F](https://comparepv.com/panel/aeet-se180m-24-f) | 180 | 14.1 | - | Monocrystalline |


## Summary

AEET Energy Group GmbH is a German company headquartered in Bad Gandersheim, Lower Saxony, that has operated in the renewable energy space for a number of years - no confirmed founding date appears in publicly available sources. The company positions itself as a full-service photovoltaic wholesale partner, offering polycrystalline, monocrystalline, and thin-film modules alongside consulting, design, installation, and maintenance services. AEET does not appear on Bloomberg Tier 1 or S&P Global Commodity Insights Tier 1 module supplier lists, and its production scale is substantially smaller than leading Asian manufacturers. JA Solar, by contrast, is a Chinese manufacturer founded in 2005 by Baofang Jin and headquartered in Beijing. It was recognised as a Tier 1 PV module supplier by S&P Global Commodity Insights in 2025, its per-category manufacturing capacity for wafers, cells, and modules each exceeded 100 GW, and its products are deployed across 178 countries - firmly establishing JA Solar as one of the largest and most bankable module suppliers globally.

AEET Energy Group targets European installers and wholesalers with a mixed portfolio suited primarily to small and mid-scale rooftop residential and light commercial applications, and differentiates through its end-to-end service model. JA Solar addresses every market segment: residential rooftop systems, commercial and industrial (C&I) projects, and utility-scale ground-mount plants. Its flagship DeepBlue product line - spanning the 4.0 Pro and the newer 5.0 generation - is built on n-type TOPCon cell technology, with the DeepBlue 5.0 reaching module efficiency of up to 24.8% and offering improved performance in low-irradiance and variable weather conditions. JA Solar carries a 25-year product warranty and a 30-year performance warranty.

For most international buyers - whether residential homeowners, installers, or project developers - JA Solar represents the lower-risk choice: confirmed Tier 1 bankability, a vast global distribution network, well-documented technology roadmap, and consistent presence across major markets make it straightforward to specify and finance. AEET Energy Group may appeal to buyers seeking a European-based partner offering a more hands-on, integrated service relationship, but it cannot match JA Solar in demonstrated scale, independent third-party ratings, or breadth of product range.

Written by claude-sonnet from the figures above.


## Other comparisons

- [JA Solar vs A.B. Energy](https://comparepv.com/ja-solar-vs-a-b-energy)
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- [AKCOME vs AEET](https://comparepv.com/akcome-vs-aeet)
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- [ASM vs AEET](https://comparepv.com/asm-vs-aeet)


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

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