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

# JA Solar vs Neo Solar Power

JA Solar has the broader catalog (504 vs 30 models). JA Solar leads on peak efficiency at 24.80%. Neo Solar Power leans bifacial (67% of lineup).


## The two companies


| Attribute | JA Solar | Neo Solar Power |
| --- | --- | --- |
| Country | China | Taiwan |
| Headquarters | Beijing | Hsinchu |
| Founded | 2005 | 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) | [https://www.nsp.com](https://www.nsp.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 | Neo Solar Power | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 30 | +474 |
| Max Power | 740 W | 715 W | +25 W |
| Avg Power | 456 W | 535 W | +79 W |


## Efficiency


| Measure | JA Solar | Neo Solar Power | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 23.03% | +1.77 pp |
| Avg Efficiency | 21.13% | 21.79% | +0.65 pp |


## Reliability & Warranty


| Measure | JA Solar | Neo Solar Power | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.320%/°C | +0.002 |
| Bifacial Share | 238 (47%) | 20 (67%) | +19 pp |
| Avg Warranty | 27.9 yrs | 27.5 yrs | +0.4 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | Neo Solar Power |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 1 (3.3%) |
| 20-21% | 99 (19.6%) | 4 (13.3%) |
| 21-22% | 112 (22.2%) | 11 (36.7%) |
| 22-23% | 107 (21.2%) | 12 (40.0%) |
| 23%+ | 74 (14.7%) | 2 (6.7%) |


## Power distribution

Neo Solar Power offers more 600W+ panels (33% of lineup)


| Power band | JA Solar | Neo Solar Power |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 1 (3.3%) |
| 400-499W | 173 (34.3%) | 14 (46.7%) |
| 500-599W | 120 (23.8%) | 5 (16.7%) |
| 600-699W | 60 (11.9%) | 6 (20.0%) |
| 700W+ | 9 (1.8%) | 4 (13.3%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (67%)


| Technology | JA Solar | Neo Solar Power |
| --- | --- | --- |
| PERC | 247 (49.0%) | 10 (33.3%) |
| TOPCon | 146 (29.0%) | 20 (66.7%) |
| 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, Neo Solar Power


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [NESE 715-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-715-66thb-g12) | 715 | 23.0 | -0.300 | Monocrystalline |
| 2 | [NESE 710-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-710-66thb-g12) | 710 | 22.9 | -0.300 | Monocrystalline |
| 3 | [NESE 705-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-705-66thb-g12) | 705 | 22.7 | -0.300 | Monocrystalline |
| 4 | [NESE 700-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-700-66thb-g12) | 700 | 22.5 | -0.300 | Monocrystalline |
| 5 | [NESE 695-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-695-66thb-g12) | 695 | 22.4 | -0.300 | Monocrystalline |
| 6 | [NESE 675-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-675-66mht-g12) | 675 | 21.7 | -0.340 | Monocrystalline |
| 7 | [NESE 670-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-670-66mht-g12) | 670 | 21.6 | -0.340 | Monocrystalline |
| 8 | [NESE 665-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-665-66mht-g12) | 665 | 21.4 | -0.340 | Monocrystalline |
| 9 | [NESE 660-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-660-66mht-g12) | 660 | 21.2 | -0.340 | Monocrystalline |
| 10 | [NESE 655-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-655-66mht-g12) | 655 | 21.1 | -0.340 | Monocrystalline |


## Summary

JA Solar and Neo Solar Power were both founded in 2005, but their trajectories have led them to very different market positions. JA Solar, headquartered in China and listed on the Shenzhen Stock Exchange, has grown into one of the world's largest solar module manufacturers, with a workforce exceeding 37,000 employees and a production capacity of over 100 GW. It holds Tier 1 bankable status - a key credential for project financing - and offers a portfolio of 524 panel models spanning a wide power range, with a maximum output of 740 Wp and a peak efficiency of 24.4%. Neo Solar Power, a Taiwanese firm founded the same year, operates at a much smaller scale with a catalog of 30 modules and does not currently carry Tier 1 status. Notably, Neo Solar Power merged with Gintech and Solartech in 2018 to form the URECO group, which is a relevant consideration when assessing brand continuity and long-term support commitments.

In terms of technology, JA Solar's portfolio is still predominantly PERC-based (over 52% of models), though the company actively develops TOPCon offerings. Its average panel efficiency stands at 20.87%, with a temperature coefficient averaging -0.3226%/°C, and bifacial panels account for about 44% of its lineup - making it a strong fit for both residential rooftop installs and utility-scale ground-mount projects where supply chain reliability and bankability matter most. Neo Solar Power presents a more concentrated, higher-spec portfolio: TOPCon technology dominates at 66.67% of models, average efficiency reaches 21.79%, and two-thirds of its panels are bifacial. With an average output of 535 Wp per panel, the lineup is clearly oriented toward higher-density commercial C&I installations and ground-mount projects where albedo gain from bifacial modules can be maximized.

For international buyers choosing between the two, the decision hinges primarily on project type and risk profile. JA Solar's Tier 1 status, massive production scale, and broad portfolio make it the lower-risk choice for bankable utility-scale and residential projects requiring straightforward procurement and financing. Neo Solar Power - with its newer-generation TOPCon focus and higher average efficiency - may appeal to buyers prioritizing cutting-edge technology in a more selective product range, provided they are comfortable with its smaller market footprint and the need to verify current product availability and regional after-sales support.

Written by claude-sonnet from the figures above.


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- [JA Solar vs A.B. Energy](https://comparepv.com/ja-solar-vs-a-b-energy)
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Source: https://comparepv.com/ja-solar-vs-neo-solar-power

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