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FoxESS vs AIKO - solar panel manufacturer comparison

FoxESS
China Founded 2019 Tier 1
Read the FoxESS review
VS
AIKO
China Founded 2009 Tier 1
Read the AIKO review
At a glance

AIKO has the broader catalog (144 vs 0 models). AIKO leans bifacial (24% 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
0 144
Highest power
0 Wp 805 Wp
Best efficiency
- 25.2%
Average efficiency
- 23.7%
Bifacial share
0% 24%
Average warranty
- 30 yrs
01

The two companies

Company facts, not datasheet figures
FoxESS

FoxESS is a global leader in inverter and energy storage solutions, backed by the Fortune Global 500 Tsingshan Group. The company specializes in hybrid inverters, lithium battery storage systems, and smart energy management platforms for residential and commercial applications. With operations in over 70 countries and...

Founded
2019
Headquarters
Wenzhou, China
Tier 1 bankable
Yes
AIKO
Founded
2009
Headquarters
Shanghai, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric FoxESS AIKO
Catalog & Power
Panel Models 0 144+144
Max Power 0 W 805 W+805 W
Avg Power 0 W 581 W+581 W
Efficiency
Max Efficiency - 25.20%
Avg Efficiency - 23.65%
Reliability & Warranty
Avg Temp Coefficient - -0.271%/°C
Bifacial Share 0 (0%) 35 (24%)+24 pp
Avg Warranty - 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)

FoxESS cell technology
Share of their models by cell architecture
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
FoxESS all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

AIKO is a Chinese solar panel manufacturer founded in 2009 and headquartered in Guangdong, with manufacturing facilities also in Zhejiang. The company achieved BloombergNEF Tier 1 module supplier status in Q3 2024 and has scaled its cell and module production capacity to approximately 20 GW per year as of early 2025. FoxESS, by contrast, is a Chinese energy-technology company founded in 2019 and headquartered in Wenzhou, but it is not a solar panel manufacturer. FoxESS focuses exclusively on inverters, hybrid storage systems, and lithium battery packs, and holds BNEF Tier 1 recognition as an energy storage supplier rather than as a module maker. In terms of institutional footprint within the solar module market specifically, AIKO is the only one of the two with a direct presence.

AIKO's defining product is its ABC (All Back Contact) cell line, which relocates all electrical contacts to the rear of the cell to eliminate front-side shading losses. Commercially available ABC modules achieved a certified 24.4% module efficiency in 2025, placing them among the highest-efficiency mass-produced panels on the market, and their temperature coefficient sits around -0.26 percent per degree Celsius - meaningfully better than typical TOPCon or PERC competitors. The product range targets premium residential rooftops and space-constrained commercial installations where maximizing yield per square metre justifies the higher cost per watt. FoxESS, on the other hand, sells string inverters, hybrid inverters, and battery storage units that are designed to work alongside panels from any manufacturer. Buyers who see "FoxESS" in a solar quote are being offered a balance-of-system component, not a module.

For a buyer selecting solar panels in 2025, AIKO is a credible premium choice - particularly where roof space is limited and long-term yield matters - though its relatively recent entry onto the BNEF Tier 1 list means its bankability track record is shorter than incumbents like Jinko or LONGi. FoxESS cannot sensibly be placed in a panel comparison because it does not make panels; the two brands serve different parts of a solar system and are not substitutes for each other.

Generated by Claude Sonnet · 2026-06-05

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

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.