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

# AU Optronics vs DMEGC

DMEGC has the broader catalog (150 vs 1 models). DMEGC leads on peak efficiency at 23.50%. DMEGC leans bifacial (73% of lineup).


## The two companies


| Attribute | AU Optronics | DMEGC |
| --- | --- | --- |
| Country | Taiwan | China |
| Headquarters | Hsinchu | Dongyang, Zhejiang Province |
| Founded | 1996 | 1980 |
| Employees | 41000+ | 18,831 |
| Annual capacity |  | 21 GW/year |
| Tier 1 | yes | yes |
| Listed | TWSE (Taiwan Stock Exchange): 2409 | Shenzhen Stock Exchange: SZ: 002056 |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [https://www.dmegcsolar.com](https://www.dmegcsolar.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...

DMEGC Solar, founded in 1980, is a global provider of renewable energy solutions, specializing in high-efficiency solar panels for residential, commercial, and utility-scale projects. The company has six manufacturing bases and is known for its integrated supply chain, from wafers to modules. DMEGC Solar is committed...


## Catalog & Power


| Measure | AU Optronics | DMEGC | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 150 | +149 |
| Max Power | 170 W | 720 W | +550 W |
| Avg Power | 170 W | 476 W | +306 W |


## Efficiency


| Measure | AU Optronics | DMEGC | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 23.50% | +7.50 pp |
| Avg Efficiency | 16.00% | 21.39% | +5.39 pp |


## Reliability & Warranty


| Measure | AU Optronics | DMEGC | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.291%/°C | +0.147 |
| Bifacial Share | 0 (0%) | 109 (73%) | +73 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

DMEGC skews to higher efficiency: 21% of lineup is 23%+


| Efficiency band | AU Optronics | DMEGC |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 24 (16.0%) |
| 20-21% | 0 | 4 (2.7%) |
| 21-22% | 0 | 11 (7.3%) |
| 22-23% | 0 | 79 (52.7%) |
| 23%+ | 0 | 32 (21.3%) |


## Power distribution

DMEGC offers more 600W+ panels (13% of lineup)


| Power band | AU Optronics | DMEGC |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 19 (12.7%) |
| 400-499W | 0 | 89 (59.3%) |
| 500-599W | 0 | 23 (15.3%) |
| 600-699W | 0 | 14 (9.3%) |
| 700W+ | 0 | 5 (3.3%) |


## Cell technology

Dominant cell tech: TOPCon (73%)


| Technology | AU Optronics | DMEGC |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| TOPCon | 0 | 109 (72.7%) |
| N-type | 0 | 41 (27.3%) |


## 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, DMEGC


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [DM720G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm720g12t-b66hsw) | 720 | 23.2 | -0.290 | Monocrystalline |
| 2 | [DM715G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm715g12t-b66hsw) | 715 | 23.0 | -0.290 | Monocrystalline |
| 3 | [DM710G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm710g12t-b66hsw) | 710 | 22.9 | -0.290 | Monocrystalline |
| 4 | [DM705G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm705g12t-b66hsw) | 705 | 22.7 | -0.290 | Monocrystalline |
| 5 | [DM700G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm700g12t-b66hsw) | 700 | 22.5 | -0.290 | Monocrystalline |
| 6 | [DM695G12T-B66HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm695g12t-b66hsw) | 695 | 22.4 | -0.290 | Monocrystalline |
| 7 | [DM650M10T-B78HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm650m10t-b78hsw) | 650 | 23.3 | -0.290 | Monocrystalline |
| 8 | [DM645M10T-B78HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm645m10t-b78hsw) | 645 | 23.1 | -0.290 | Monocrystalline |
| 9 | [DM640M10T-B78HSW](https://comparepv.com/panel/dmegc-hengdian-group-dm640m10t-b78hsw) | 640 | 22.9 | -0.290 | Monocrystalline |
| 10 | [DM635G12RT-B66HSW](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dm635g12rt-b66hsw) | 635 | 23.5 | -0.290 | Monocrystalline |


## Other comparisons

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


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

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