AU Optronics vs AIKO - solar panel manufacturer comparison
AIKO has the broader catalog (144 vs 1 models). AIKO leads on peak efficiency at 25.20%. AIKO leans bifacial (24% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
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...
- Founded
- 1996
- Headquarters
- Hsinchu, Taiwan
- Employees
- 41000+
- Tier 1 bankable
- Yes
- Founded
- 2009
- Headquarters
- Shanghai, China
- Listed
- SZSE: 600732
- Tier 1 bankable
- Yes
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
AIKO skews to higher efficiency: 85% of lineup is 23%+
AIKO offers more 600W+ panels (60% of lineup)
Dominant cell tech: <strong>Back Contact</strong> (83%)
The flagships
Written summary
AU Optronics, known commercially as AUO or AUO BenQ Solar, is a Taiwanese manufacturer headquartered in Hsinchu, Taiwan, founded in 2001 primarily as a TFT-LCD display company that extended into solar photovoltaics. It holds confirmed Tier 1 status as a solar module supplier and has received recognition from Taiwan's Ministry of Economic Affairs for its high-efficiency, dual-glass bifacial modules. AIKO Solar is a Chinese manufacturer that achieved BloombergNEF Tier 1 bankable status in 2024 and has scaled rapidly, with operational back-contact cell production in Zhuhai and Yiwu and plans to ship more than 20 GW of modules in 2025. In terms of institutional scale and recent market momentum, AIKO carries the stronger footprint as a dedicated solar business.
AU Optronics serves residential, commercial, and utility segments under product families such as SunBravo, SunPrimo, SunVivo, and Sunforte, with its newer SunAlto line targeting large-format n-type TOPCon cells developed in partnership with SAS, which has recorded average cell efficiencies around 25.5 percent. The brand is generally positioned as a mid-tier reliable option for buyers who want Taiwanese manufacturing provenance. AIKO has built its entire identity around ABC - All-Back-Contact - N-type cell architecture, which relocates all electrical contacts to the rear of the cell, expanding the active light-harvesting surface. This approach has placed AIKO at the top of global module efficiency rankings published by Taiyangnews consistently since March 2023, with mass-production module efficiencies around 25 percent. The Neostar series won first place in the SolarQuotes Installers' Choice Awards in 2025, reflecting strong real-world installer feedback, particularly in European distributed markets.
For a typical buyer in 2025, AIKO is the stronger default if maximum energy yield per square meter or premium residential performance is the priority - though its 15-year product warranty is notably shorter than the 25-year warranty offered on some AUO lines and by most top-tier Chinese peers, which is a material consideration for long-term project financing.
Generated by Claude Sonnet · 2026-05-25
Other brand comparisons
Shop prices: See 180 AIKO offers
Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.