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AIKO vs ECODELTA - solar panel manufacturer comparison

AIKO
China Founded 2009 Tier 1
Read the AIKO review
VS
ECODELTA
France Founded 2002
Read the ECODELTA review
At a glance

AIKO has the broader catalog (144 vs 13 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
144 13
Highest power
805 Wp 550 Wp
Best efficiency
25.2% 22.5%
Average efficiency
23.7% 21.1%
Bifacial share
24% 23%
Average warranty
30 yrs 26 yrs
01

The two companies

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

EcoDelta is a French developer of wind and solar energy projects. They offer expertise in project management and financing to maximize energy output. The company strives to promote, develop, and operate decentralized renewable electricity projects.

Founded
2002
Headquarters
La Ciotat, France
02

Catalogue against catalogue

Averages over every model in the database
Metric AIKO ECODELTA
Catalog & Power
Panel Models 144+131 13
Max Power 805 W+255 W 550 W
Avg Power 581 W+115 W 466 W
Efficiency
Max Efficiency 25.20%+2.66 pp 22.54%
Avg Efficiency 23.65%+2.51 pp 21.14%
Reliability & Warranty
Avg Temp Coefficient -0.271%/°C+0.062 -0.332%/°C
Bifacial Share 35 (24%)+1 pp 3 (23%)
Avg Warranty 29.5 yrs+3.4 yr 26.2 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: <strong>Back Contact</strong> (83%)

ECODELTA cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (62%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

ECODELTA, operating as Eco Delta Power Co., Ltd., is a Chinese solar manufacturer headquartered in Changzhou, Jiangsu Province, with over two decades of presence in the photovoltaic industry. The company reports a module production capacity of around 3.2 GW per year and distributes products across more than 50 countries, positioning itself broadly across commercial and residential markets. No confirmed BloombergNEF Tier 1 bankability listing for ECODELTA appeared in current industry sources. AIKO Solar, also Chinese, achieved BloombergNEF Tier 1 status in Q3 2024 and had a reported production capacity of around 20 GW as of early 2025, placing it firmly among the second tier of global volume leaders behind the Big Four. On institutional footprint and bankability recognition, AIKO currently holds the stronger position.

ECODELTA's catalog spans monocrystalline half-cut and shingled modules, with the shingled line - which uses electrically conductive adhesive rather than solder ribbon to reduce shading loss - serving as its main differentiator for residential and light commercial rooftop installations. AIKO's product identity is built almost entirely around its proprietary N-type ABC (All Back Contact) cell platform, which web searches confirm has reached mass-production module efficiencies exceeding 24%. AIKO organizes its range into the Neostar series targeting premium residential rooftops, the Comet series for commercial and industrial applications, and the Stellar series for utility-scale ground mounts. AIKO took first place in the 2025 SolarQuotes Installers' Choice Awards in Australia, reflecting strong installer confidence.

For most buyers in 2025, AIKO is the stronger default choice where budget allows: confirmed Tier 1 bankability, documented efficiency leadership, a 30-year performance warranty with a low annual degradation ceiling of 0.35%, and growing installer adoption give it a clear edge for premium residential and financed commercial projects. ECODELTA remains a credible mid-tier option for cost-sensitive buyers or markets where AIKO distribution is thin, but its institutional standing is less independently verified.

Generated by Claude Sonnet · 2026-05-16

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 174 AIKO offers · See 3 ECODELTA 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.