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AU Optronics vs Talesun - solar panel manufacturer comparison

AU Optronics
Taiwan Founded 1996 Tier 1
Read the AU Optronics review
VS
Talesun
China Founded 2010 Tier 1
Read the Talesun review
At a glance

Talesun has the broader catalog (144 vs 1 models). Talesun leads on peak efficiency at 24.80%. Talesun leans bifacial (59% 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.

Panel models
1 144
Highest power
170 Wp 710 Wp
Best efficiency
16.0% 24.8%
Average efficiency
16.0% 22.1%
Bifacial share
0% 59%
Average warranty
- 29 yrs
01

The two companies

Company facts, not datasheet figures
AU Optronics

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
Talesun

Talesun Solar, a subsidiary of Zhongli Group, is a leading global photovoltaic manufacturer specializing in the development, manufacturing, and delivery of high-quality solar modules and integrated PV energy solutions. The company provides clean and affordable PV energy solutions for residential, commercial, and...

Founded
2010
Headquarters
Suzhou, China
Annual capacity
5+ GW/year
Employees
501
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric AU Optronics Talesun
Catalog & Power
Panel Models 1 144+143
Max Power 170 W 710 W+540 W
Avg Power 170 W 564 W+394 W
Efficiency
Max Efficiency 16.00% 24.80%+8.80 pp
Avg Efficiency 16.00% 22.14%+6.14 pp
Reliability & Warranty
Avg Temp Coefficient -0.438%/°C -0.304%/°C+0.134
Bifacial Share 0 (0%) 85 (59%)+59 pp
Avg Warranty - 28.8 yrs

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.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Talesun skews to higher efficiency: 28% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Talesun offers more 600W+ panels (49% of lineup)

AU Optronics cell technology
Share of their models by cell architecture
Talesun cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (44%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...
06

Other brand comparisons

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 2 Talesun 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.