Skip to main content

AIKO vs WINAICO - solar panel manufacturer comparison

AIKO
China Founded 2009 Tier 1
Read the AIKO review
VS
WINAICO
Taiwan Founded 2003 Tier 1
Read the WINAICO review
At a glance

AIKO has the broader catalog (144 vs 44 models). AIKO leads on peak efficiency at 25.20%. WINAICO leans bifacial (77% 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
144 44
Highest power
805 Wp 675 Wp
Best efficiency
25.2% 25.0%
Average efficiency
23.7% 23.0%
Bifacial share
24% 77%
Average warranty
30 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
AIKO
Founded
2009
Headquarters
Shanghai, China
Tier 1 bankable
Yes
WINAICO

WINAICO is a Taiwanese manufacturer of high-performance crystalline silicon photovoltaic modules, operating as an independent subsidiary of Win Win Precision Technology. The company focuses on premium-quality solar panels backed by long warranty periods and has built a strong reputation in markets such as Germany...

Founded
2003
Headquarters
Hsinchu, Taiwan
Annual capacity
0.1-1 GW/year
Employees
100-500
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric AIKO WINAICO
Catalog & Power
Panel Models 144+100 44
Max Power 805 W+130 W 675 W
Avg Power 581 W+91 W 491 W
Efficiency
Max Efficiency 25.20%+0.20 pp 25.00%
Avg Efficiency 23.65%+0.67 pp 22.99%
Reliability & Warranty
Avg Temp Coefficient -0.271%/°C+0.014 -0.284%/°C
Bifacial Share 35 (24%) 34 (77%)+53 pp
Avg Warranty 29.5 yrs+0.7 yr 28.9 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

AIKO skews to higher efficiency: 85% of lineup is 23%+

Power spread
Share of each catalogue in every power band

AIKO offers more 600W+ panels (60% of lineup)

AIKO cell technology
Share of their models by cell architecture

Dominant cell tech: Back Contact (83%)

WINAICO cell technology
Share of their models by cell architecture

Dominant cell tech: Back Contact (41%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

AIKO is a Chinese solar manufacturer, founded with roots in PERC production before pivoting heavily toward its proprietary ABC (All Back Contact) back-contact cell technology, with cell and module capacity that sources put at roughly 10 GW of ABC output by end of 2023 scaling toward tens of gigawatts as new plants in Jinan and Yiwu ramp through 2025. AIKO has publicized a BloombergNEF Tier 1 designation, though at least one independent reviewer found it absent from a recent BNEF list, so its current standing should be verified directly against the live BNEF registry. WINAICO, by contrast, is the solar arm of Win Win Precision Technology, headquartered in Hsinchu, Taiwan, and traces its module business to around 2007-2008; it has also claimed BNEF Tier 1 status in company press releases, again with at least one reviewer disputing the claim, and its production scale is far smaller, with historical figures in the 150-200 MW range for its core Taiwan facility and only unverified third-party estimates suggesting capacity above 1 GW today. On institutional footprint, AIKO is clearly the larger and more rapidly expanding manufacturer, operating at an industrial scale that dwarfs WINAICO's boutique Taiwanese production base.

In terms of product focus, AIKO's ABC cell lineup, including its Neostar residential modules, is positioned as a premium, high-efficiency option aimed at rooftop installations where aesthetics, shade tolerance, and low degradation matter, and reviewers consistently note strong efficiency paired with a price premium. WINAICO is generally described as a smaller, quality-focused manufacturer using more conventional crystalline silicon module designs, often marketed on reliability, a strong warranty record, and consistent field performance in markets like Australia and the Netherlands, making it a fit for buyers prioritizing a long, well-supported product warranty over cutting-edge cell technology.

For a typical residential buyer in 2025, AIKO is the stronger default if maximum efficiency and modern back-contact technology are priorities and the premium price is acceptable, while WINAICO remains a credible, if lower-profile, alternative for buyers who value a manufacturer's long warranty track record and don't need industry-leading efficiency figures. Neither brand's Tier 1 claim should be taken at face value without checking the current BloombergNEF list, since independent sources diverge on both.

Generated by Claude Sonnet 5 · 2026-10-25

06

Other brand comparisons

Build your own
Manufacturers
AIKO A.B. Energy
Manufacturers
AE Solar WINAICO
Manufacturers
AIKO AEET
Manufacturers
AKCOME WINAICO
Manufacturers
AIKO ARTsolar
Manufacturers
ASM WINAICO
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 138 AIKO offers · See 5 WINAICO 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.