AU Optronics vs DAH - Solar Panel Manufacturer Comparison
AU Optronics
Taiwan · est. 1996DAH
China · est. 2009
Panel models
1
vs
356
Max power
170 W
vs
725 W
Max efficiency
16.00%
vs
23.34%
Bifacial share
0%
vs
89%
At a glance
DAH has the broader catalog (356 vs 1 models). DAH leads on peak efficiency at 23.34%. DAH leans bifacial (89% of lineup).
AU Optronics
Website
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...
Headquarters
Hsinchu, Taiwan
Founded
1996
Employees
41,000
Production Capacity
-
Tier 1 Bankable
Yes
DAH
Website
Headquarters
Hefei, China
Founded
2009
Employees
-
Production Capacity
-
Tier 1 Bankable
Yes
Stock
-
Side-by-Side Specs
winner + margin shown| Metric |
AU Optronics
|
DAH
|
|---|---|---|
| Catalog & Power | ||
| Panel Models | 1 | 356 +355 |
| Max Power | 170 W | 725 W +555 W |
| Avg Power | 170 W | 522 W +352 W |
| Efficiency | ||
| Max Efficiency | 16.00% | 23.34% +7.34 pp |
| Avg Efficiency | 16.00% | 22.13% +6.13 pp |
| Reliability & Warranty | ||
| Avg Temp Coefficient | -0.438%/°C | -0.298%/°C +0.140 |
| Bifacial Share | 0 (0%) | 316 (89%) +89 pp |
| Avg Warranty | - | 29.5 yrs |
Top Panels Side-by-Side
Top 10 highest-power models from each brandAU Optronics
| # | Model | Power | Eff. | T.coeff | Tech |
|---|---|---|---|---|---|
| 1 | ASM170M | 170W | 16.0% | -0.438%/°C | Monocrystalline |
DAH
| # | Model | Power | Eff. | T.coeff | Tech |
|---|---|---|---|---|---|
| 1 | DHN-66Y18/DG-725 Bi | 725W | 23.3% | -0.290%/°C | Monocrystalline |
| 2 | DHN-66Y18/DG-720 Bi | 720W | 23.2% | -0.290%/°C | Monocrystalline |
| 3 | DHN-66Y18/DG-715 Bi | 715W | 23.0% | -0.290%/°C | Monocrystalline |
| 4 | DAS-DH132NC-715 Bi | 715W | 23.0% | -0.280%/°C | Monocrystalline |
| 5 | DAS-DH132NC-710 Bi | 710W | 22.9% | -0.280%/°C | Monocrystalline |
| 6 | DHN-66Y18/DG-710 Bi | 710W | 22.9% | -0.290%/°C | Monocrystalline |
| 7 | DAS-DH132NC-705 Bi | 705W | 22.7% | -0.280%/°C | Monocrystalline |
| 8 | DHN-66Y18/DG-705 Bi | 705W | 22.7% | -0.290%/°C | Monocrystalline |
| 9 | DHN-66Y18/DG-700 Bi | 700W | 22.5% | -0.290%/°C | Monocrystalline |
| 10 | DAS-DH132NC-700 Bi | 700W | 22.5% | -0.280%/°C | Monocrystalline |
Top 1 panels average
Efficiency
16.00%
Temp coeff
-0.438%/°C
Top 10 panels average
Efficiency
22.87%
Temp coeff
-0.286%/°C
Efficiency Distribution
Share of each brand's lineup by efficiency tier
DAH skews to higher efficiency: 8% of lineup is 23%+
Power Distribution
Share of each brand's lineup by rated power range
DAH offers more 600W+ panels (23% of lineup)
AU Optronics Cell Technology
Mix of cell technologies across the portfolio
DAH Cell Technology
Mix of cell technologies across the portfolio
Dominant cell tech: TOPCon (81%)
Disclaimer: This comparison is based on our database and may not reflect complete product lineups. Help the community by suggesting missing panels.