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

# AEET vs JA Solar

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 | AEET | JA Solar |
| --- | --- | --- |
| Country |  | China |
| Headquarters |  | Beijing |
| Founded |  | 2005 |
| Employees |  | 37,289 |
| Annual capacity |  | 100+ GW/year |
| Tier 1 | no | yes |
| 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 | AEET | JA Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 5 | 504 | +499 |
| Max Power | 200 W | 740 W | +540 W |
| Avg Power | 190 W | 456 W | +266 W |


## Efficiency


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


## Reliability & Warranty


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


## Efficiency distribution

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


| Efficiency band | AEET | JA Solar |
| --- | --- | --- |
| \<20% | 5 (100.0%) | 112 (22.2%) |
| 20-21% | 0 | 99 (19.6%) |
| 21-22% | 0 | 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 | AEET | JA Solar |
| --- | --- | --- |
| \<400W | 5 (100.0%) | 142 (28.2%) |
| 400-499W | 0 | 173 (34.3%) |
| 500-599W | 0 | 120 (23.8%) |
| 600-699W | 0 | 60 (11.9%) |
| 700W+ | 0 | 9 (1.8%) |


## Cell technology

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

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


| Technology | AEET | JA Solar |
| --- | --- | --- |
| PERC | 5 (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, 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 |


## 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

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

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


---

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

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