--- title: "A.B. Energy vs AU Optronics - Brand Comparison | ComparePV" description: "Compare A.B. Energy vs AU Optronics solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/a-b-energy-vs-au-optronics" --- # A.B. Energy vs AU Optronics AU Optronics has the broader catalog (1 vs 0 models). ## The two companies | Attribute | A.B. Energy | AU Optronics | | --- | --- | --- | | Country | Germany | Taiwan | | Headquarters | Wiesbaden | Hsinchu | | Founded | 1996 | 1996 | | Employees | 1,400 | 41000+ | | Annual capacity | | | | Tier 1 | | yes | | Listed | Xetra, Frankfurt Stock Exchange: AB9 | TWSE (Taiwan Stock Exchange): 2409 | | Website | [https://abo-energy.com](https://abo-energy.com) | [https://www.auo.com/en-global](https://www.auo.com/en-global) | ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy... 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... ## Catalog & Power | Measure | A.B. Energy | AU Optronics | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 1 | +1 | | Max Power | 0 W | 170 W | +170 W | | Avg Power | 0 W | 170 W | +170 W | ## Efficiency | Measure | A.B. Energy | AU Optronics | Margin | | --- | --- | --- | --- | | Max Efficiency | - | 16.00% | | | Avg Efficiency | - | 16.00% | | ## Reliability & Warranty | Measure | A.B. Energy | AU Optronics | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | -0.438%/°C | | | Bifacial Share | 0 (0%) | 0 (0%) | | | Avg Warranty | - | - | | ## Efficiency distribution | Efficiency band | A.B. Energy | AU Optronics | | --- | --- | --- | | \<20% | 0 | 1 (100.0%) | ## Power distribution | Power band | A.B. Energy | AU Optronics | | --- | --- | --- | | \<400W | 0 | 1 (100.0%) | ## Cell technology | Technology | A.B. Energy | AU Optronics | | --- | --- | --- | | Unknown | 0 | 1 (100.0%) | ## 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 | ## Summary AU Optronics (AUO) is a Taiwanese technology company headquartered in Hsinchu, Taiwan, that grew out of decades of advanced display-panel manufacturing before pivoting into photovoltaics. Bloomberg New Energy Finance has rated AUO as a Tier 1 PV module maker, meaning it meets institutional lenders' bankability requirements for project financing. The company maintains a vertically integrated solar value chain spanning ingot, wafer, cell, and module production, and serves residential, commercial, and utility customers across multiple markets. A.B. Energy (A.B. Energy SRLS) is a considerably smaller Italian company that describes itself as an energy-efficiency and innovation firm built on roughly three decades of experience in the electrical and electronic equipment sector. It operates primarily as a solutions provider and distributor in Italy rather than as a volume module manufacturer, and it does not appear on major Tier 1 or BloombergNEF bankability lists. On institutional footprint, AUO has a demonstrably stronger position. AUO's product portfolio includes the SunAlto series - a large-format M10 dual-glass bifacial module using TOPCon cells, developed in partnership with Sino-American Silicon Products and recognized with Taiwan's Excellent PV Award in October 2024 - alongside the SunPrimo and full-black SunVivo lines targeting residential aesthetics. These products span utility ground-mount, commercial flat-roof, and premium residential rooftop use cases. For A.B. Energy, publicly available product-level detail is sparse; the company's positioning is that of a regional Italian distributor and integrator focused on energy savings rather than on manufacturing differentiated module technology, so a direct cell-technology comparison cannot be made on current evidence. For a buyer evaluating both brands in 2025, AUO is the clearer choice for any project where bankability, supply-chain traceability, or access to high-efficiency TOPCon bifacial modules matters. A.B. Energy may be relevant as a local Italian service partner, but it is not operating at a comparable scale as a module manufacturer and should not be evaluated as a direct substitute for a Tier 1 producer. \---LINKS--- \- https://www.pv-magazine.com/2024/10/10/au-optronics-sas-win-pv-awards-in-taiwan-for-high-efficiency-module/ \| AU Optronics, SAS win PV awards in Taiwan for high-efficiency module \| article \- https://www.energysage.com/supplier/24686/au-optronics/ \| AU Optronics profile and reviews - EnergySage \| review \- https://www.solarreviews.com/manufacturers/au-optronics \| AU Optronics solar panels - SolarReviews \| review \- https://www.enfsolar.com/a-b-energy \| A.B. Energy SRLS - ENF Solar company listing \| article Sources: \- \[AU Optronics, SAS win PV awards in Taiwan for high-efficiency module\](https://www.pv-magazine.com/2024/10/10/au-optronics-sas-win-pv-awards-in-taiwan-for-high-efficiency-module/) \- \[AU Optronics profile and reviews - EnergySage\](https://www.energysage.com/supplier/24686/au-optronics/) \- \[AU Optronics solar panels - SolarReviews\](https://www.solarreviews.com/manufacturers/au-optronics) \- \[AUO Company Overview - SolarFeeds\](https://www.solarfeeds.com/biz/au-optronics/) \- \[A.B. Energy SRLS - ENF Solar company listing\](https://www.enfsolar.com/a-b-energy) Written by claude-sonnet from the figures above. ## Other comparisons - [A.B. Energy vs AE Solar](https://comparepv.com/a-b-energy-vs-ae-solar) - [AEET vs AU Optronics](https://comparepv.com/aeet-vs-au-optronics) - [A.B. Energy vs AIKO](https://comparepv.com/a-b-energy-vs-aiko) - [AKCOME vs AU Optronics](https://comparepv.com/akcome-vs-au-optronics) - [A.B. Energy vs ARTsolar](https://comparepv.com/a-b-energy-vs-artsolar) - [ASM vs AU Optronics](https://comparepv.com/asm-vs-au-optronics) --- Source: https://comparepv.com/a-b-energy-vs-au-optronics