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

# GoodWe vs JA Solar

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


## The two companies


| Attribute | GoodWe | JA Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Suzhou | Beijing |
| Founded | 2010 | 2005 |
| Employees | 5000+ | 37,289 |
| Annual capacity |  | 100+ GW/year |
| Tier 1 | yes | yes |
| Listed | SSE: 688390 | SZSE: 002459 |
| Website | [https://en.goodwe.com](https://en.goodwe.com) | [https://www.jasolar.com](https://www.jasolar.com) |

GoodWe is a world-leading solar inverter and smart energy solution provider headquartered in Suzhou, China. The company manufactures a broad range of inverters from 0.7 kW to 350 kW for residential, commercial, industrial, and utility-scale applications, as well as battery storage systems. Listed on the Shanghai Stock...

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 | GoodWe | 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 | GoodWe | JA Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 24.80% |  |
| Avg Efficiency | - | 21.13% |  |


## Reliability & Warranty


| Measure | GoodWe | 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 | GoodWe | 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 | GoodWe | 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 | GoodWe | 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

GoodWe is a Chinese energy technology company founded in 2010 and headquartered in Suzhou, Jiangsu province. It is recognised globally first and foremost as a solar inverter manufacturer - BloombergNEF named it a Tier 1 power inverter manufacturer for Q2 2025, and the company reported an inverter production capacity of 35 GW with cumulative installations exceeding 100 GW across more than 100 countries by early 2025. Listed on the Shanghai Stock Exchange since 2020, GoodWe has expanded its portfolio to include battery storage, EV chargers, and a building-integrated photovoltaics (BIPV) division under the PVBM brand, but its core market identity remains that of an inverter and smart energy solutions provider rather than a conventional panel manufacturer. JA Solar, founded in 2005 and headquartered in Shanghai, operates in an entirely different scale as a module supplier. Holding Tier 1 status according to BloombergNEF and S&P Global Commodity Insights, JA Solar reached a total module production capacity of 100 GW by end of 2024 and cumulative global shipments approaching 300 GW by mid-2025, serving customers in more than 165 countries. As a panel manufacturer, JA Solar carries a substantially stronger institutional footprint than GoodWe.

JA Solar's product lineup is anchored by its Deep Blue series, covering residential rooftop, commercial and industrial (C&I), and utility-scale ground-mount segments. The Deep Blue 4.0 family uses n-type TOPCon cells in a bifacial configuration, and the newly unveiled Deep Blue 5.0 generation reaches a rated power of 670 W with a module efficiency of 24.8%, placing JA Solar at the leading edge of high-efficiency mass-market production. GoodWe's PVBM division offers the Galaxy Series - ultra-lightweight BIPV panels for low load-bearing roofs - and the Nebula Series, which integrates TOPCon cells into architectural glass facades. These are niche products designed to complement GoodWe inverter ecosystems rather than serve as conventional rooftop or ground-mount module alternatives.

For any buyer evaluating solar panels - residential, C&I, or utility-scale - JA Solar is the clear and relevant choice between these two brands. Comparing them as competing panel manufacturers is largely a category mismatch: GoodWe competes as a credible Tier 1 inverter and hybrid system supplier, while JA Solar stands as one of the world's most bankable module producers. Buyers exploring GoodWe should do so in the context of inverter or integrated system procurement, not panel selection.

Written by claude-sonnet from the figures above.


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