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

# Hoymiles vs JA Solar

JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | Hoymiles | JA Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Shanghai | Beijing |
| Founded | 2012 | 2005 |
| Employees | 1,640 | 37,289 |
| Annual capacity |  | 100+ GW/year |
| Tier 1 | yes | yes |
| Listed | Shanghai Stock Exchange: 688032:SHH | SZSE: 002459 |
| Website | [https://www.hoymiles.com/](https://www.hoymiles.com/) | [https://www.jasolar.com](https://www.jasolar.com) |

Hoymiles Power Electronics Inc. specializes in module-level power electronics (MLPE) solutions, including microinverters, energy storage, and monitoring systems. They focus on research and development, manufacturing, and sales of photovoltaic inverter power conversion equipment. Their mission is to make smart energy...

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 | Hoymiles | JA Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 504 | +504 |
| Max Power | 0 W | 740 W | +740 W |
| Avg Power | 0 W | 456 W | +456 W |


## Efficiency


| Measure | Hoymiles | JA Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.80% |  |
| Avg Efficiency | - | 21.13% |  |


## Reliability & Warranty


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


## Efficiency distribution

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


| Efficiency band | Hoymiles | JA Solar |
| --- | --- | --- |
| \<20% | 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 | Hoymiles | JA Solar |
| --- | --- | --- |
| \<400W | 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** (49%)


| Technology | Hoymiles | JA Solar |
| --- | --- | --- |
| PERC | 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, 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

Hoymiles and JA Solar are both Chinese companies operating in the solar energy industry, but they serve fundamentally different market segments and should not be compared as direct competitors. Hoymiles, founded in 2012 and listed on the Shanghai Stock Exchange, is exclusively a microinverter and power electronics manufacturer - it produces no solar panels at all, which is reflected in its panel portfolio data. With approximately 1,640 employees, it is a focused, mid-sized specialist. JA Solar, founded in 2005 and listed on the Shenzhen Stock Exchange, is one of the world's largest solar module manufacturers, employing over 37,000 people and operating at a production capacity exceeding 100 GW. Both companies hold Tier 1 bankable status. JA Solar's panel portfolio spans 524 models with a maximum rated power of 740 Wp, an average module efficiency of approximately 20.9%, and an average temperature coefficient of around -0.32%/°C per degree above 25°C, placing it in a competitive range for heat tolerance.

In terms of technology and application fit, Hoymiles has built a strong international footprint - including established service and logistics networks across Europe, the Americas, and Asia-Pacific - on the strength of its microinverter lineup. Its latest MiT 8-in-1 three-phase unit reaches 5 kW output, making it compatible with today's high-wattage modules, while the HiFlow series targets the growing European balcony solar and plug-in residential market. Hoymiles microinverters are particularly suited to residential rooftop installations with complex shading, multi-pitch roof designs, or mixed orientations where per-module optimization delivers measurable yield gains. JA Solar's strength lies in the breadth and cost-competitiveness of its panel portfolio: the PERC-based Deep Blue 3.0 series covers mainstream residential and C&I ground-mount applications, while the TOPCon-based Deep Blue 4.0 series achieves efficiencies between 21.8% and 23%, making it competitive for space-constrained rooftops and premium utility-scale projects. JA Solar has earned PVEL Top Performer status for the tenth consecutive year in 2025, a strong indicator of long-term reliability.

For international buyers, the practical takeaway is that these two brands address complementary parts of a solar system rather than competing directly. A complete installation could logically combine JA Solar modules - selected for their proven reliability, wide power range up to 740 Wp, and average warranty of approximately 28 years - with Hoymiles microinverters where site conditions favor distributed power conversion. In straightforward, unshaded utility-scale or large C&I projects, JA Solar panels paired with conventional string inverters from other vendors will typically offer a lower system cost, while Hoymiles adds the most value in residential and small commercial installations where shading or roof complexity justifies the microinverter premium.

Written by claude-sonnet from the figures above.


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