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DualSun vs AIKO - solar panel manufacturer comparison

DualSun
France Founded 2010
Read the DualSun review
VS
AIKO
China Founded 2009 Tier 1
Read the AIKO review
At a glance

AIKO has the broader catalog (144 vs 6 models). AIKO leads on peak efficiency at 25.20%.

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
6 144
Highest power
500 Wp 805 Wp
Best efficiency
22.0% 25.2%
Average efficiency
21.7% 23.7%
Bifacial share
33% 24%
Average warranty
30 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
DualSun

DualSun is a French manufacturer specializing in hybrid solar panels that simultaneously generate electricity (photovoltaic) and hot water (thermal), marketed as PVT panels. The company produces both its flagship SPRING hybrid panel and the FLASH high-performance PV panel, with R&D based in Marseille and module...

Founded
2010
Headquarters
Marseille, France
Employees
50-100
AIKO
Founded
2009
Headquarters
Shanghai, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric DualSun AIKO
Catalog & Power
Panel Models 6 144+138
Max Power 500 W 805 W+305 W
Avg Power 442 W 581 W+140 W
Efficiency
Max Efficiency 22.00% 25.20%+3.20 pp
Avg Efficiency 21.67% 23.65%+1.98 pp
Reliability & Warranty
Avg Temp Coefficient -0.313%/°C -0.271%/°C+0.043
Bifacial Share 2 (33%)+9 pp 35 (24%)
Avg Warranty 30.0 yrs+0.5 yr 29.5 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)

DualSun cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (83%)

AIKO cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>Back Contact</strong> (83%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

AIKO is a Chinese manufacturer that has risen rapidly to global prominence, achieving BloombergNEF Tier 1 bankability status in Q3 2024 and reporting an annual production capacity of around 20 GW as of early 2025. DualSun was founded in 2010 and is headquartered in Marseille, France, with a module factory in Jujurieux in eastern France; its annual output exceeds 100 MW, placing it firmly in the premium-niche rather than volume-producer tier. DualSun has not appeared on the BloombergNEF Tier 1 list, though it holds a strong domestic position as the reported leader in residential solar in France and counts Bpifrance and other institutional backers among its investors. On raw institutional scale, AIKO carries the considerably broader global footprint.

AIKO's product range centers on its proprietary ABC (All Back Contact) N-type cell architecture, which eliminates front-side metal contacts to maximize light capture; the company has reported mass-production module efficiencies reaching 24.8%, among the highest recorded commercially, and its panels are marketed for both premium residential rooftops and commercial installations where high power density matters. DualSun addresses a different segment with two complementary lines - the FLASH series of shingle-cell TOPCon photovoltaic modules targeting residential self-consumption, and the SPRING hybrid PVT panels that generate both electricity and hot water simultaneously from the same roof surface, making them especially well suited to households with significant domestic hot-water demand. A plug-and-play PREASY kit rounds out the range for simpler installations.

For a buyer whose priority is raw electrical output on a constrained roof area, AIKO's ABC technology and bankable scale make it a compelling default in 2025. DualSun is the better fit for European homeowners - particularly in France - who want to maximize total energy yield by combining PV and thermal output from a single rooftop, or who value locally manufactured, low-carbon-certified products. The two brands are not directly interchangeable: AIKO competes on efficiency leadership at volume, while DualSun occupies a differentiated hybrid-energy niche.

Generated by Claude Sonnet · 2026-06-08

06

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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 3 DualSun offers · See 174 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.