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

# Einnova Solarline vs JA Solar

JA Solar has the broader catalog (504 vs 28 models). JA Solar leads on peak efficiency at 24.80%. JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | Einnova Solarline | JA Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Nanjing, Jiangsu | Beijing |
| Founded | 2008 | 2005 |
| Employees | 50+ | 37,289 |
| Annual capacity | 2 GW/year | 100+ GW/year |
| Tier 1 |  | yes |
| Listed |  | SZSE: 002459 |
| Website | [http://www.einnova-solarline.com](http://www.einnova-solarline.com) | [https://www.jasolar.com](https://www.jasolar.com) |

Einnova Solarline Energy Corp. Limited, established in 2008, is a leading manufacturer of solar panels in China, offering conventional and flexible modules, BIPV products, and customized solutions. The company has a global presence in over 50 countries and has been ranked among China's Top 20 Solar Module...

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 | Einnova Solarline | JA Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 28 | 504 | +476 |
| Max Power | 650 W | 740 W | +90 W |
| Avg Power | 512 W | 456 W | +56 W |


## Efficiency


| Measure | Einnova Solarline | JA Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.30% | 24.80% | +1.50 pp |
| Avg Efficiency | 22.40% | 21.13% | +1.27 pp |


## Reliability & Warranty


| Measure | Einnova Solarline | JA Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.320%/°C | -0.322%/°C | +0.002 |
| Bifacial Share | 2 (7%) | 238 (47%) | +40 pp |
| Avg Warranty | 29.6 yrs | 27.9 yrs | +1.8 yr |


## Efficiency distribution

Einnova Solarline skews to higher efficiency: 29% of lineup is 23%+


| Efficiency band | Einnova Solarline | JA Solar |
| --- | --- | --- |
| \<20% | 2 (7.1%) | 112 (22.2%) |
| 20-21% | 1 (3.6%) | 99 (19.6%) |
| 22-23% | 17 (60.7%) | 107 (21.2%) |
| 23%+ | 8 (28.6%) | 74 (14.7%) |
| 21-22% | 0 | 112 (22.2%) |


## Power distribution

Einnova Solarline offers more 600W+ panels (21% of lineup)


| Power band | Einnova Solarline | JA Solar |
| --- | --- | --- |
| \<400W | 2 (7.1%) | 142 (28.2%) |
| 400-499W | 10 (35.7%) | 173 (34.3%) |
| 500-599W | 10 (35.7%) | 120 (23.8%) |
| 600-699W | 6 (21.4%) | 60 (11.9%) |
| 700W+ | 0 | 9 (1.8%) |


## Cell technology

Dominant cell tech: **TOPCon** (93%)

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


| Technology | Einnova Solarline | JA Solar |
| --- | --- | --- |
| TOPCon | 26 (92.9%) | 146 (29.0%) |
| Flexible | 2 (7.1%) | 0 |
| PERC | 0 | 247 (49.0%) |
| N-type | 0 | 90 (17.9%) |
| Unknown | 0 | 16 (3.2%) |
| HJT | 0 | 5 (1.0%) |


## Top panels, Einnova Solarline


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ESM-650T](https://comparepv.com/panel/einnova-solarline-esm-650t) | 650 | 23.2 | -0.360 | Monocrystalline |
| 2 | [ESM-645T](https://comparepv.com/panel/einnova-solarline-esm-645t) | 645 | 23.1 | -0.360 | Monocrystalline |
| 3 | [ESM-640T](https://comparepv.com/panel/einnova-solarline-esm-640t) | 640 | 22.9 | -0.360 | Monocrystalline |
| 4 | [ESM-635T](https://comparepv.com/panel/einnova-solarline-esm-635t) | 635 | 22.7 | -0.360 | Monocrystalline |
| 5 | [ESM-630T](https://comparepv.com/panel/einnova-solarline-esm-630t) | 630 | 22.5 | -0.360 | Monocrystalline |
| 6 | [ESM-600T](https://comparepv.com/panel/einnova-solarline-esm-600t) | 600 | 23.2 | -0.310 | Monocrystalline |
| 7 | [ESM-595T](https://comparepv.com/panel/einnova-solarline-esm-595t) | 595 | 23.0 | -0.310 | Monocrystalline |
| 8 | [ESM-590T](https://comparepv.com/panel/einnova-solarline-esm-590t) | 590 | 22.8 | -0.310 | Monocrystalline |
| 9 | [ESM-585T](https://comparepv.com/panel/einnova-solarline-esm-585t) | 585 | 22.6 | -0.310 | Monocrystalline |
| 10 | [ESM-580T](https://comparepv.com/panel/einnova-solarline-esm-580t) | 580 | 22.4 | -0.310 | 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

Einnova Solarline is a Chinese solar module manufacturer founded in 2008, with a workforce of over 50 employees and a production capacity of 2 GW across four facilities. The company reports a global cumulative installation footprint of over 9 GW and claims recognition among China's Top 20 Solar Module Manufacturers, though it does not carry a formal Tier 1 bankability rating. JA Solar was founded in 2005 and has grown into one of the world's largest PV module producers, with over 37,000 employees, a production capacity exceeding 100 GW, and a listing on the Shenzhen Stock Exchange. JA Solar holds Tier 1 status as recognized by S&P Global Commodity Insights and was ranked joint first in Wood Mackenzie's Global Solar Module Manufacturer Ranking for the first half of 2025, placing it at the very top of the industry alongside Trina Solar.

Einnova Solarline's compact portfolio of 28 modules is tightly focused, with 92.9% of its lineup built on TOPCon cell technology. The average module power of approximately 511.8 Wp and an average efficiency of 22.4% make it a compelling choice for space-constrained residential rooftop installs where high output per panel is a priority. An above-average warranty term of approximately 29.6 years is an added differentiator for buyers who prioritize long-term performance protection. JA Solar's far larger portfolio of 524 models spans a broad range of applications - from standard residential rooftop systems to utility-scale ground-mount projects and commercial C&I installations. Its high share of bifacial modules at 44.3% supports strong energy yield in open-field configurations, while a maximum module output of 740 Wp and a peak efficiency of 24.4% demonstrate the company's technological frontier. The brand's bankability and extensive global distributor network make it the practical default for project finance-backed developments across Europe and beyond.

For international buyers, JA Solar is the lower-risk choice due to its scale, Tier 1 certification, financial transparency as a publicly listed company, and proven global track record. Einnova Solarline may appeal to installers or developers seeking a high-efficiency TOPCon-focused product from a smaller, more specialized supplier - particularly for premium residential applications where the concentrated portfolio and long warranty carry weight - provided the buyer is comfortable with the company's more limited public financial profile.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/einnova-solarline-vs-ja-solar

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