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

# JA Solar vs SunEvo Solar

JA Solar has the broader catalog (504 vs 204 models). JA Solar leads on peak efficiency at 24.80%.


## The two companies


| Attribute | JA Solar | SunEvo Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Beijing | Hefei |
| 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) | [https://www.sunevosolar.com](https://www.sunevosolar.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 | SunEvo Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 204 | +300 |
| Max Power | 740 W | 750 W | +10 W |
| Avg Power | 456 W | 528 W | +72 W |


## Efficiency


| Measure | JA Solar | SunEvo Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 24.10% | +0.70 pp |
| Avg Efficiency | 21.13% | 21.92% | +0.78 pp |


## Reliability & Warranty


| Measure | JA Solar | SunEvo Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.303%/°C | +0.019 |
| Bifacial Share | 238 (47%) | 96 (47%) | +0 pp |
| Avg Warranty | 27.9 yrs | 28.2 yrs | +0.3 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | SunEvo Solar |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 6 (2.9%) |
| 20-21% | 99 (19.6%) | 19 (9.3%) |
| 21-22% | 112 (22.2%) | 52 (25.5%) |
| 22-23% | 107 (21.2%) | 100 (49.0%) |
| 23%+ | 74 (14.7%) | 27 (13.2%) |


## Power distribution

SunEvo Solar offers more 600W+ panels (32% of lineup)


| Power band | JA Solar | SunEvo Solar |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 6 (2.9%) |
| 400-499W | 173 (34.3%) | 89 (43.6%) |
| 500-599W | 120 (23.8%) | 44 (21.6%) |
| 600-699W | 60 (11.9%) | 47 (23.0%) |
| 700W+ | 9 (1.8%) | 18 (8.8%) |


## Cell technology

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

Dominant cell tech: **TOPCon** (47%)


| Technology | JA Solar | SunEvo Solar |
| --- | --- | --- |
| PERC | 247 (49.0%) | 20 (9.8%) |
| TOPCon | 146 (29.0%) | 96 (47.1%) |
| N-type | 90 (17.9%) | 5 (2.5%) |
| Unknown | 16 (3.2%) | 27 (13.2%) |
| HJT | 5 (1.0%) | 24 (11.8%) |
| Back Contact | 0 | 32 (15.7%) |


## 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, SunEvo Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SE6-66HBD-750W](https://comparepv.com/panel/sunevo-solar-se6-66hbd-750w) | 750 | 24.1 | -0.240 | Monocrystalline |
| 2 | [SE6-66HBD-745W](https://comparepv.com/panel/sunevo-solar-se6-66hbd-745w) | 745 | 24.0 | -0.240 | Monocrystalline |
| 3 | [SE6-66HBD-740W](https://comparepv.com/panel/sunevo-solar-se6-66hbd-740w) | 740 | 23.8 | -0.240 | Monocrystalline |
| 4 | [SE6-66HBD-735W](https://comparepv.com/panel/sunevo-solar-se6-66hbd-735w) | 735 | 23.7 | -0.240 | Monocrystalline |
| 5 | [SE6-66HBD-735](https://comparepv.com/panel/sunevo-solar-se6-66hbd-735) | 735 | 23.7 | -0.240 | Monocrystalline |
| 6 | [SE6-66HBD-730](https://comparepv.com/panel/sunevo-solar-se6-66hbd-730) | 730 | 23.5 | -0.240 | Monocrystalline |
| 7 | [SE6-66HBD-730W](https://comparepv.com/panel/sunevo-solar-se6-66hbd-730w) | 730 | 23.5 | -0.240 | Monocrystalline |
| 8 | [SE6-66HBD-725](https://comparepv.com/panel/sunevo-solar-se6-66hbd-725) | 725 | 23.3 | -0.240 | Monocrystalline |
| 9 | [SE6-66HBD-720](https://comparepv.com/panel/sunevo-solar-se6-66hbd-720) | 720 | 23.2 | -0.280 | Monocrystalline |
| 10 | [SE6-66HBD-720W](https://comparepv.com/panel/sunevo-solar-se6-66hbd-720w) | 720 | 23.2 | -0.280 | Monocrystalline |


## Summary

JA Solar, founded in 2005 and headquartered in China, is one of the world's largest solar module manufacturers, holding confirmed Tier 1 bankability status from S&P Global Commodity Insights and jointly topping Wood Mackenzie's Global Solar Module Manufacturer Ranking for H1 2025 alongside Trinasolar. With a manufacturing capacity exceeding 100 GW and a workforce of over 37,000 employees, the company ships panels to markets worldwide and is publicly listed on the Shenzhen Stock Exchange. SunEvo Solar is a smaller Chinese manufacturer that does not appear on recognized Tier 1 bankability lists maintained by independent financial analysts - a critical distinction for project finance and lender acceptance. While JA Solar's scale and institutional track record make it a default choice for large buyers, SunEvo competes on the strength of a more technically modern product portfolio.

JA Solar's 524-panel lineup is led by PERC cell technology (52.1% of the portfolio), with a maximum output of 740 Wp, average module efficiency of 20.9%, and a peak efficiency of 24.4%. This broad, mature portfolio suits residential rooftop installations, utility-scale ground-mount projects, and commercial C&I applications equally well, with the brand's Tier 1 bankability being decisive in debt-financed project pipelines across Europe and beyond. SunEvo Solar's 204-panel portfolio is anchored by n-type TOPCon technology (47.1% of the lineup), delivering a notably higher average power of 528 Wp and average efficiency of 21.9%, alongside a better average temperature coefficient of -0.303 %/°C compared to JA Solar's -0.323 %/°C. This positions SunEvo as a technically competitive option for space-constrained rooftop installations and commercial projects where maximizing per-panel yield is a priority. SunEvo also edges ahead on bifacial share (47.1% vs 44.3%) and average warranty length (28.2 vs 27.9 years).

For international buyers, JA Solar is the lower-risk choice when bankability, long-term supply security, and lender acceptance are non-negotiable - particularly for utility-scale or C&I projects requiring project finance or EPC contractor approval. SunEvo Solar may appeal to buyers prioritizing cutting-edge n-type TOPCon specifications and higher average wattage at competitive pricing, but the absence of recognized Tier 1 status introduces additional due diligence requirements and may complicate financing arrangements for larger installations. Both manufacturers offer broadly comparable maximum efficiency levels and warranty terms near 28 years, so the decision ultimately hinges on scale, brand recognition, and financial acceptability rather than raw panel performance alone.

Written by claude-sonnet from the figures above.


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

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