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AIKO vs Alpha ESS - solar panel manufacturer comparison

AIKO
China Founded 2009 Tier 1
Read the AIKO review
VS
Alpha ESS
China Founded 2012 Tier 1
Read the Alpha ESS 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
144 0
Highest power
805 Wp 0 Wp
Best efficiency
25.2% -
Average efficiency
23.7% -
Bifacial share
24% 0%
Average warranty
30 yrs -
01

The two companies

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

AlphaESS is a global provider of battery energy storage systems headquartered in Nantong, Jiangsu, China. Founded in 2012, the company specializes in residential and commercial energy storage solutions, EV chargers, and intelligent energy management systems. AlphaESS operates in over 90 countries through 15+...

Founded
2012
Headquarters
Nantong, China
Employees
100-500
Tier 1 bankable
Yes
02

Catalogue against catalogue

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

AIKO cell technology
Share of their models by cell architecture

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

Alpha ESS cell technology
Share of their models by cell architecture
04

The flagships

Highest-power models from each brand
Alpha ESS all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

Alpha ESS is a Chinese manufacturer founded in 2012 and headquartered in Nantong, Jiangsu, with an international base in Singapore. Its core business is battery energy storage systems - residential and commercial BESS units, EV chargers, and hybrid inverters - rather than solar panels in the traditional sense. The company reports more than 200,000 active systems across 130-plus countries. Alpha ESS does not appear on the BloombergNEF Tier 1 Solar Module Maker list, reflecting its identity as a storage-first brand rather than a dedicated module manufacturer. AIKO (Shanghai Aiko Solar Energy Co., Ltd.) was founded in 2009 and is headquartered in Shanghai. It is a vertically integrated panel manufacturer with a reported production capacity of roughly 20 GW per year, and it achieved BloombergNEF Tier 1 bankability status in Q3 2024. AIKO has considerably the stronger institutional footprint in the solar module space.

The product ranges reflect these different identities. Alpha ESS centers its offer on the Smile series of hybrid and off-grid inverter-battery combos, often paired with third-party panels; buyers are choosing a storage ecosystem, not a specific cell technology. AIKO, by contrast, builds its entire lineup around its proprietary All Back Contact (ABC) cell architecture - an N-type design that moves all electrical contacts to the rear of the cell. This approach underpins the Neostar series, aimed primarily at premium residential and commercial rooftop installations where roof space is limited and high yield per square metre justifies the cost premium. AIKO announced a world-record module efficiency of 24.4% for mass-produced commercial modules in mid-2025, and the company won the 2025 SolarQuotes Installers' Choice Award in Australia, voted by installers.

For a buyer shopping for solar panels, AIKO is the clear choice to evaluate: it is a purpose-built module manufacturer with verified Tier 1 bankability, cutting-edge ABC efficiency, and a strong installer reputation. Alpha ESS belongs in a separate shortlist when the primary requirement is battery storage or a complete hybrid system. The two brands are not genuinely interchangeable - they address different parts of the solar-plus-storage stack.

Generated by Claude Sonnet · 2026-06-10

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.