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

# AU Optronics vs Horay Solar

Horay Solar has the broader catalog (182 vs 1 models). Horay Solar leads on peak efficiency at 23.30%. Horay Solar leans bifacial (67% of lineup).


## The two companies


| Attribute | AU Optronics | Horay Solar |
| --- | --- | --- |
| Country | Taiwan | China |
| Headquarters | Hsinchu | Wuxi, Jiangsu Province |
| Founded | 1996 | 2010 |
| Employees | 41000+ | 400 |
| Annual capacity |  | 2.5 GW/year |
| Tier 1 | yes | yes |
| Listed | TWSE (Taiwan Stock Exchange): 2409 |  |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [http://www.horaysolar.com](http://www.horaysolar.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...

Horay Solar is an integrated photovoltaic company specializing in the R&D, production, and sales of solar modules and solar power systems. They are committed to globalization and offer standard and customized solar module solutions. The company's products are exported globally, providing efficient clean energy...


## Catalog & Power


| Measure | AU Optronics | Horay Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 182 | +181 |
| Max Power | 170 W | 720 W | +550 W |
| Avg Power | 170 W | 536 W | +366 W |


## Efficiency


| Measure | AU Optronics | Horay Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 23.30% | +7.30 pp |
| Avg Efficiency | 16.00% | 22.46% | +6.46 pp |


## Reliability & Warranty


| Measure | AU Optronics | Horay Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.280%/°C | +0.158 |
| Bifacial Share | 0 (0%) | 122 (67%) | +67 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

Horay Solar skews to higher efficiency: 14% of lineup is 23%+


| Efficiency band | AU Optronics | Horay Solar |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 0 |
| 21-22% | 0 | 24 (13.2%) |
| 22-23% | 0 | 133 (73.1%) |
| 23%+ | 0 | 25 (13.7%) |


## Power distribution

Horay Solar offers more 600W+ panels (20% of lineup)


| Power band | AU Optronics | Horay Solar |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 0 |
| 400-499W | 0 | 55 (30.2%) |
| 500-599W | 0 | 91 (50.0%) |
| 600-699W | 0 | 33 (18.1%) |
| 700W+ | 0 | 3 (1.6%) |


## Cell technology

Dominant cell tech: TOPCon (56%)


| Technology | AU Optronics | Horay Solar |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| TOPCon | 0 | 102 (56.0%) |
| N-type | 0 | 80 (44.0%) |


## 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, Horay Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HS720TC-MHG-D](https://comparepv.com/panel/horay-solar-hs720tc-mhg-d) | 720 | 23.2 | -0.280 | Monocrystalline |
| 2 | [HS710TC-MHG-D](https://comparepv.com/panel/horay-solar-hs710tc-mhg-d) | 710 | 22.9 | -0.280 | Monocrystalline |
| 3 | [HS700TC-MHG-D](https://comparepv.com/panel/horay-solar-hs700tc-mhg-d) | 700 | 22.5 | -0.280 | Monocrystalline |
| 4 | [HS690TC-MHG-D](https://comparepv.com/panel/horay-solar-hs690tc-mhg-d) | 690 | 22.2 | -0.280 | Monocrystalline |
| 5 | [HS680TC-MHG-D](https://comparepv.com/panel/horay-solar-hs680tc-mhg-d) | 680 | 21.9 | -0.280 | Monocrystalline |
| 6 | [HS650TC-MHD-D](https://comparepv.com/panel/horay-solar-hs650tc-mhd-d) | 650 | 23.3 | -0.280 | Monocrystalline |
| 7 | [HS645TC-MHD-D](https://comparepv.com/panel/horay-solar-hs645tc-mhd-d) | 645 | 23.1 | -0.280 | Monocrystalline |
| 8 | [HS640TC-MHD-D](https://comparepv.com/panel/horay-solar-hs640tc-mhd-d) | 640 | 22.9 | -0.280 | Monocrystalline |
| 9 | [HS635TC-MHD-D](https://comparepv.com/panel/horay-solar-hs635tc-mhd-d) | 635 | 22.7 | -0.280 | Monocrystalline |
| 10 | [HS635TC-MHG-D](https://comparepv.com/panel/horay-solar-hs635tc-mhg-d) | 635 | 22.4 | -0.280 | Monocrystalline |


## Other comparisons

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


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Source: https://comparepv.com/au-optronics-vs-horay-solar

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