---
title: "AU Optronics vs AUSTA ENERGY - Brand Comparison | ComparePV"
description: "Compare AU Optronics vs AUSTA ENERGY solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/au-optronics-vs-austa-energy"
---

# AU Optronics vs AUSTA ENERGY

AUSTA ENERGY has the broader catalog (58 vs 1 models). AUSTA ENERGY leads on peak efficiency at 23.50%. AUSTA ENERGY leans bifacial (62% of lineup).


## The two companies


| Attribute | AU Optronics | AUSTA ENERGY |
| --- | --- | --- |
| Country | Taiwan | India |
| Headquarters | Hsinchu | Surat |
| Founded | 1996 | 2015 |
| Employees | 41000+ | 200 |
| Annual capacity |  | 1 GW/year |
| Tier 1 | yes | no |
| Listed | TWSE (Taiwan Stock Exchange): 2409 |  |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [https://www.austaenergy.com](https://www.austaenergy.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...

AUSTA Energy is an Indian solar panel manufacturer based in Surat, Gujarat. The company produces monocrystalline and polycrystalline solar modules for residential and commercial applications, focusing on the domestic Indian market and select export markets.


## Catalog & Power


| Measure | AU Optronics | AUSTA ENERGY | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 58 | +57 |
| Max Power | 170 W | 730 W | +560 W |
| Avg Power | 170 W | 571 W | +401 W |


## Efficiency


| Measure | AU Optronics | AUSTA ENERGY | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 23.50% | +7.50 pp |
| Avg Efficiency | 16.00% | 21.85% | +5.85 pp |


## Reliability & Warranty


| Measure | AU Optronics | AUSTA ENERGY | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.295%/°C | +0.143 |
| Bifacial Share | 0 (0%) | 36 (62%) | +62 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

AUSTA ENERGY skews to higher efficiency: 7% of lineup is 23%+


| Efficiency band | AU Optronics | AUSTA ENERGY |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 0 |
| 20-21% | 0 | 7 (12.1%) |
| 21-22% | 0 | 24 (41.4%) |
| 22-23% | 0 | 23 (39.7%) |
| 23%+ | 0 | 4 (6.9%) |


## Power distribution

AUSTA ENERGY offers more 600W+ panels (38% of lineup)


| Power band | AU Optronics | AUSTA ENERGY |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 0 |
| 400-499W | 0 | 12 (20.7%) |
| 500-599W | 0 | 24 (41.4%) |
| 600-699W | 0 | 15 (25.9%) |
| 700W+ | 0 | 7 (12.1%) |


## Cell technology

Dominant cell tech: **TOPCon** (55%)


| Technology | AU Optronics | AUSTA ENERGY |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| TOPCon | 0 | 32 (55.2%) |
| PERC | 0 | 21 (36.2%) |
| HJT | 0 | 4 (6.9%) |
| N-type | 0 | 1 (1.7%) |


## 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, AUSTA ENERGY


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ODA730-33V-MHD](https://comparepv.com/panel/austa-energy-oda730-33v-mhd) | 730 | 23.5 | -0.223 | Monocrystalline |
| 2 | [ODA725-33V-MHD](https://comparepv.com/panel/austa-energy-oda725-33v-mhd) | 725 | 23.3 | -0.223 | Monocrystalline |
| 3 | [ODA720-33V-MHD](https://comparepv.com/panel/austa-energy-oda720-33v-mhd) | 720 | 23.2 | -0.223 | Monocrystalline |
| 4 | [ODA715-33V-MHD](https://comparepv.com/panel/austa-energy-oda715-33v-mhd) | 715 | 23.0 | -0.223 | Monocrystalline |
| 5 | [ODA710-33V-MHD](https://comparepv.com/panel/austa-energy-oda710-33v-mhd) | 710 | 22.9 | -0.223 | Monocrystalline |
| 6 | [ODA705-33V-MHD](https://comparepv.com/panel/austa-energy-oda705-33v-mhd) | 705 | 22.7 | -0.223 | Monocrystalline |
| 7 | [ODA700-33V-MHD](https://comparepv.com/panel/austa-energy-oda700-33v-mhd) | 700 | 22.5 | -0.223 | Monocrystalline |
| 8 | [ODA695-33V-MHD](https://comparepv.com/panel/austa-energy-oda695-33v-mhd) | 695 | 22.4 | -0.223 | Monocrystalline |
| 9 | [ODA640-30V-MHD](https://comparepv.com/panel/austa-energy-oda640-30v-mhd) | 640 | 22.6 | -0.290 | Monocrystalline |
| 10 | [ODA635-30V-MHD](https://comparepv.com/panel/austa-energy-oda635-30v-mhd) | 635 | 22.4 | -0.290 | Monocrystalline |


## Summary

AU Optronics is a Taiwanese company founded in 1996 and headquartered in Hsinchu, originally a display-panel manufacturer that entered photovoltaics in 2008-2009, formalizing a solar business unit that year and consolidating its panel line under the AUO brand in 2018 after retiring the BenQ Solar name it had used since 2012. It is recognized as a Tier 1 module supplier, reflecting its track record of supplying modules to large bank-financed utility projects, though its overall solar output remains a smaller division within a much larger optoelectronics and display conglomerate. AUSTA ENERGY, operating as Zhejiang Austa Green Energy Technology Co., Ltd, is a Chinese manufacturer founded in 2009 that has scaled rapidly, now citing roughly 10 GW of annual module capacity across four domestic production bases plus additional cell capacity, and has shipped products to more than 100 countries with overseas offices in Europe, India, Brazil and Bangladesh. Between the two, AUO carries the stronger institutional footprint thanks to its decades-long Tier 1 bankability status and its parent company's scale in global electronics manufacturing, while AUSTA's footprint is newer but backed by a faster-growing, higher-volume Chinese manufacturing base.

In terms of product lines, AUO's solar portfolio has historically centered on mainstream crystalline-silicon modules aimed at residential and commercial rooftops, built on the reliability reputation it carries over from its electronics manufacturing heritage rather than cutting-edge cell innovation. AUSTA ENERGY's current catalog is more clearly built around modern N-type TOPCon cells, including bifacial dual-glass panels rated up to the 690-730W class with efficiencies reported around 22-23.5%, positioned for both utility-scale ground mounts and larger commercial or industrial rooftops where higher wattage and bifacial gain matter. AUSTA also backs its panels with an extended 30-year linear power warranty, a selling point aimed at bankable long-term yield projections.

For a typical buyer in 2025, the choice depends on priorities: AUO offers the reassurance of a long-established Tier 1 brand with institutional bankability, which can matter for financed residential or small commercial installs, while AUSTA ENERGY offers more current cell technology, higher power classes, and aggressive warranty terms that may appeal to larger commercial or utility-scale buyers prioritizing yield and newer TOPCon performance. Neither brand should be dismissed outright, but buyers focused on proven project financing history may lean toward AUO, whereas those prioritizing the latest high-efficiency bifacial technology may find AUSTA the more forward-looking option.

\---LINKS---

\- https://en.wikipedia.org/wiki/AU\_Optronics \| AU Optronics (AUO) corporate history and solar business timeline \| article

\- https://www.energysage.com/supplier/21601/auo-benq-solar/ \| AUO BenQ Solar - Profile & Reviews on EnergySage \| review

\- https://www.pv.de/en/news/aus-benq-solar-wird-auo/ \| BenQ Solar rebrands to AUO - PV.de news \| article

\- https://comparepv.com/panels/austa-energy \| AUSTA ENERGY Solar Panels - All Models, Specs & Reviews \| review

\- https://www.enfsolar.com/austa-energy \| Zhejiang Austa Green Energy Technology Co.,Ltd company profile \| article

Written by claude-sonnet-5 from the figures above.


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Source: https://comparepv.com/au-optronics-vs-austa-energy

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