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

# JA Solar vs Solar N Plus

JA Solar has the broader catalog (504 vs 149 models). JA Solar leads on peak efficiency at 24.80%. Solar N Plus leans bifacial (74% of lineup).


## The two companies


| Attribute | JA Solar | Solar N Plus |
| --- | --- | --- |
| 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 | Solar N Plus | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 149 | +355 |
| Max Power | 740 W | 720 W | +20 W |
| Avg Power | 456 W | 506 W | +50 W |


## Efficiency


| Measure | JA Solar | Solar N Plus | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 23.30% | +1.50 pp |
| Avg Efficiency | 21.13% | 21.96% | +0.82 pp |


## Reliability & Warranty


| Measure | JA Solar | Solar N Plus | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.316%/°C | +0.006 |
| Bifacial Share | 238 (47%) | 111 (74%) | +27 pp |
| Avg Warranty | 27.9 yrs | 29.7 yrs | +1.8 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | Solar N Plus |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 0 |
| 20-21% | 99 (19.6%) | 21 (14.1%) |
| 21-22% | 112 (22.2%) | 42 (28.2%) |
| 22-23% | 107 (21.2%) | 70 (47.0%) |
| 23%+ | 74 (14.7%) | 16 (10.7%) |


## Power distribution

Solar N Plus offers more 600W+ panels (19% of lineup)


| Power band | JA Solar | Solar N Plus |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 7 (4.7%) |
| 400-499W | 173 (34.3%) | 77 (51.7%) |
| 500-599W | 120 (23.8%) | 36 (24.2%) |
| 600-699W | 60 (11.9%) | 19 (12.8%) |
| 700W+ | 9 (1.8%) | 10 (6.7%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (56%)


| Technology | JA Solar | Solar N Plus |
| --- | --- | --- |
| PERC | 247 (49.0%) | 35 (23.5%) |
| TOPCon | 146 (29.0%) | 83 (55.7%) |
| N-type | 90 (17.9%) | 26 (17.4%) |
| Unknown | 16 (3.2%) | 5 (3.4%) |
| 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, Solar N Plus


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SP-N18/132HG-720W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-720w) | 720 | 23.2 | -0.300 | Monocrystalline |
| 2 | [SP-N18/132HG 720](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 3 | [SP-N18/132HG-715W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-715w) | 715 | 23.0 | -0.300 | Monocrystalline |
| 4 | [SP-N18/132HG 715](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-715) | 715 | 23.0 | -0.300 | Monocrystalline |
| 5 | [SP-N18/132HG-710W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-710w) | 710 | 22.9 | -0.300 | Monocrystalline |
| 6 | [SP-N18/132HG 710](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-710) | 710 | 22.9 | -0.300 | Monocrystalline |
| 7 | [SP-N18/132HG-705W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-705w) | 705 | 22.7 | -0.300 | Monocrystalline |
| 8 | [SP-N18/132HG 705](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-705) | 705 | 22.7 | -0.300 | Monocrystalline |
| 9 | [SP-N18/132HG-700W](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-700w) | 700 | 22.5 | -0.300 | Monocrystalline |
| 10 | [SP-N18/132HG 700](https://comparepv.com/panel/solar-n-plus-sp-n18-132hg-700) | 700 | 22.5 | -0.300 | Monocrystalline |


## Summary

JA Solar, founded in 2005 and headquartered in China, is one of the world's largest solar PV manufacturers, with a production capacity exceeding 100 GW and a workforce of over 37,000 employees. Listed on the Shenzhen Stock Exchange, the company holds Tier 1 (bankable) status and consistently ranks among the top global module shippers, with a portfolio spanning 524 panel models across multiple product lines. Its long operational history, broad European distribution network, and repeated Top Performer recognition in PVEL scorecard testing give it strong credibility with installers and project finance institutions alike. Solar N Plus is a smaller Chinese manufacturer backed by a publicly listed parent company but does not hold Tier 1 status. With 20 GW of available production capacity and an additional 10 GW under construction, the company has established a commercial presence in over 40 countries, including Germany, the Netherlands, and Austria, positioning itself as a focused N-type specialist rather than a broad-market volume supplier.

JA Solar's portfolio covers the full range of applications - residential rooftop installs, commercial C&I projects, and utility-scale ground-mount systems. More than half of its lineup is built on PERC cell technology, delivering average module efficiencies around 20.9% and a portfolio maximum of 24.4%, while its growing TOPCon range targets higher performance segments. The Tier 1 rating and established supply chain make JA Solar the default choice wherever bankability is a project requirement. Solar N Plus, by contrast, has built its entire value proposition around TOPCon technology, which accounts for over 57% of its 144-model portfolio. The result is a noticeably higher average module power of approximately 500 Wp versus around 442 Wp for JA Solar, a higher average efficiency of about 22.0%, a marginally better temperature coefficient (-0.315 vs. -0.323 %/°C), a bifacial share exceeding 73%, and an average warranty approaching 30 years. These characteristics make Solar N Plus panels a strong candidate for commercial C&I rooftop and ground-mount installations where N-type performance and high bifaciality can meaningfully increase energy yield.

For international buyers where project financing or insurance requires Tier 1 bankability, JA Solar is the lower-risk selection - its scale, track record, and financial standing are well-documented. Solar N Plus presents a technically compelling case for buyers willing to conduct additional due diligence in exchange for a more modern, TOPCon-dominant portfolio with higher average wattage and a longer warranty commitment, making it a worthwhile consideration for self-financed commercial and industrial projects where technical performance takes priority over institutional bankability.

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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- [AIKO vs Solar N Plus](https://comparepv.com/aiko-vs-solar-n-plus)
- [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome)
- [ARTsolar vs Solar N Plus](https://comparepv.com/artsolar-vs-solar-n-plus)


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Source: https://comparepv.com/ja-solar-vs-solar-n-plus

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