---
title: "AU Optronics vs Huasun - Brand Comparison | ComparePV"
description: "Compare AU Optronics vs Huasun solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/au-optronics-vs-huasun"
image: "https://comparepv.com/og/compare/manufacturers/au-optronics/huasun.png"
---

# AU Optronics vs Huasun

Huasun has the broader catalog (126 vs 1 models). Huasun leads on peak efficiency at 23.90%. Huasun leans bifacial (90% of lineup).


## The two companies


| Attribute | AU Optronics | Huasun |
| --- | --- | --- |
| Country | Taiwan | China |
| Headquarters | Hsinchu | Xuancheng, Anhui |
| Founded | 1996 | 2020 |
| Employees | 41000+ | 2500+ |
| Annual capacity |  | 20 GW/year |
| Tier 1 | yes | yes |
| Listed | TWSE (Taiwan Stock Exchange): 2409 | Shenzhen Stock Exchange: 000790 |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [https://www.huasunsolar.com/](https://www.huasunsolar.com/) |

AU Optronics (AUO) is a technology-driven company based in Taiwan, specializing in optoelectronics and display solutions. They deliver products and services that advance innovation in areas like display technology, system solutions, industrial intelligence, healthcare, and energy. AUO operates globally across Asia...

Huasun Energy is a global leader in heterojunction (HJT) solar technology, specializing in the R&D and large-scale production of ultra-high-efficiency n-type HJT products. They cover the entire value chain from silicon ingots and wafers to HJT cells and modules, delivering cutting-edge solutions for the solar...


## Catalog & Power


| Measure | AU Optronics | Huasun | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 126 | +125 |
| Max Power | 170 W | 730 W | +560 W |
| Avg Power | 170 W | 523 W | +353 W |


## Efficiency


| Measure | AU Optronics | Huasun | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 23.90% | +7.90 pp |
| Avg Efficiency | 16.00% | 21.92% | +5.92 pp |


## Reliability & Warranty


| Measure | AU Optronics | Huasun | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.258%/°C | +0.180 |
| Bifacial Share | 0 (0%) | 113 (90%) | +90 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

Huasun skews to higher efficiency: 30% of lineup is 23%+


| Efficiency band | AU Optronics | Huasun |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 12 (9.5%) |
| 20-21% | 0 | 2 (1.6%) |
| 21-22% | 0 | 9 (7.1%) |
| 22-23% | 0 | 65 (51.6%) |
| 23%+ | 0 | 38 (30.2%) |


## Power distribution

Huasun offers more 600W+ panels (28% of lineup)


| Power band | AU Optronics | Huasun |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 9 (7.1%) |
| 400-499W | 0 | 46 (36.5%) |
| 500-599W | 0 | 36 (28.6%) |
| 600-699W | 0 | 17 (13.5%) |
| 700W+ | 0 | 18 (14.3%) |


## Cell technology

Dominant cell tech: HJT (75%)


| Technology | AU Optronics | Huasun |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| HJT | 0 | 94 (74.6%) |
| TOPCon | 0 | 32 (25.4%) |


## Top panels, AU Optronics


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ASM170M](https://comparepv.com/panel/au-optronics-asm170m) | 170 | 16.0 | -0.438 | Monocrystalline |


## Top panels, Huasun


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HSN-210-B132DS730](https://comparepv.com/panel/huasun-hsn-210-b132ds730) | 730 | 23.5 | -0.240 | Monocrystalline |
| 2 | [RS730S9-132GANT](https://comparepv.com/panel/huasun-rs730s9-132gant) | 730 | 23.5 | -0.310 | Monocrystalline |
| 3 | [HSN-210-B132DS725](https://comparepv.com/panel/huasun-hsn-210-b132ds725) | 725 | 23.3 | -0.240 | Monocrystalline |
| 4 | [RS725S9-132GANT](https://comparepv.com/panel/huasun-rs725s9-132gant) | 725 | 23.3 | -0.310 | Monocrystalline |
| 5 | [HSN-210-B132DS720](https://comparepv.com/panel/huasun-hsn-210-b132ds720) | 720 | 23.2 | -0.240 | Monocrystalline |
| 6 | [HSN-210-B132DSU720](https://comparepv.com/panel/huasun-hsn-210-b132dsu720) | 720 | 23.2 | -0.240 | Monocrystalline |
| 7 | [RS720S9-132GANT](https://comparepv.com/panel/huasun-rs720s9-132gant) | 720 | 23.2 | -0.310 | Monocrystalline |
| 8 | [HSN-210-B132DS715](https://comparepv.com/panel/huasun-hsn-210-b132ds715) | 715 | 23.0 | -0.240 | Monocrystalline |
| 9 | [HSN-210-B132DSU715](https://comparepv.com/panel/huasun-hsn-210-b132dsu715) | 715 | 23.0 | -0.240 | Monocrystalline |
| 10 | [RS715S89-132GANT](https://comparepv.com/panel/huasun-rs715s89-132gant) | 715 | 23.0 | -0.310 | Monocrystalline |


## Other comparisons

- [AU Optronics vs A.B. Energy](https://comparepv.com/au-optronics-vs-a-b-energy)
- [AE Solar vs Huasun](https://comparepv.com/ae-solar-vs-huasun)
- [AU Optronics vs AEET](https://comparepv.com/au-optronics-vs-aeet)
- [AIKO vs Huasun](https://comparepv.com/aiko-vs-huasun)
- [AU Optronics vs AKCOME](https://comparepv.com/au-optronics-vs-akcome)
- [ARTsolar vs Huasun](https://comparepv.com/artsolar-vs-huasun)


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Source: https://comparepv.com/au-optronics-vs-huasun

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