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Exiom vs AEET - solar panel manufacturer comparison

Exiom
Spain Founded 2019
Read the Exiom review
VS
AEET
Headquarters not published
Read the AEET review
At a glance

Exiom has the broader catalog (39 vs 5 models). Exiom leads on peak efficiency at 23.40%. Exiom leans bifacial (59% 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
39 5
Highest power
605 Wp 200 Wp
Best efficiency
23.4% 15.7%
Average efficiency
20.1% 14.9%
Bifacial share
59% 0%
Average warranty
29 yrs 25 yrs
01

The two companies

Company facts, not datasheet figures
Exiom

Exiom is a European solar module manufacturer with production facilities in Spain. The company focuses on producing high-quality photovoltaic modules for the European market, emphasizing local manufacturing and short supply chains.

Founded
2019
Headquarters
Barcelona, Spain
Annual capacity
0.5 GW/year
Employees
100
02

Catalogue against catalogue

Averages over every model in the database
Metric Exiom AEET
Catalog & Power
Panel Models 39+34 5
Max Power 605 W+405 W 200 W
Avg Power 461 W+271 W 190 W
Efficiency
Max Efficiency 23.40%+7.70 pp 15.70%
Avg Efficiency 20.12%+5.22 pp 14.90%
Reliability & Warranty
Avg Temp Coefficient -0.338%/°C -
Bifacial Share 23 (59%)+59 pp 0 (0%)
Avg Warranty 29.4 yrs+4.4 yr 25.0 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

Exiom skews to higher efficiency: 13% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Exiom offers more 600W+ panels (5% of lineup)

Exiom cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (69%)

AEET cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (100%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

AEET Energy Group GmbH is a German company based in Bad Gandersheim that operates primarily as a photovoltaic wholesale distributor and full-service installer rather than as an original-equipment manufacturer with its own large-scale production capacity. Founded and active for several years in the German and broader European market, AEET sources modules from leading international brands - including established names such as Q-Cells - and maintains a stocked warehouse to serve residential and commercial installers with short delivery times. Because AEET functions as a distributor rather than a bankable module producer, it does not appear on BloombergNEF Tier 1 lists, which are reserved for manufacturers who can demonstrate independent project financing at scale. Exiom Solution, by contrast, is a Spanish manufacturer headquartered in Asturias and founded in 2009, with approximately 2.7 GW of annual production capacity across two factories in China and a new 500 MW plant being developed in Langreo, Spain, backed by a partnership with Iberdrola and a roughly 20 million euro investment. Exiom has achieved BloombergNEF Tier 1 bankability status, giving it a materially stronger institutional footprint than AEET.

In terms of product scope, AEET resells a curated range of monocrystalline and multicrystalline modules suited to residential rooftops and smaller commercial projects, drawing on partner brands rather than a proprietary technology roadmap. Exiom's own catalog is considerably broader, covering PERC, TOPCon, HJT, bifacial, and IBC cell technologies with power ratings from roughly 140 W up to 730 W, which spans budget residential rooftops, premium commercial installations, and utility-scale ground mounts. Exiom also offers niche formats such as semi-transparent modules for agrovoltaic applications and colored panels for building-integrated photovoltaics.

For a buyer seeking a bankable, vertically integrated supplier with a wide product portfolio and confirmed financier confidence, Exiom is the stronger default choice in 2025. AEET may suit European installers who value a local, one-stop wholesale relationship and fast regional delivery, but it is best understood as a distribution partner rather than a direct competitor to a volume manufacturer like Exiom.

Generated by Claude Sonnet · 2026-05-15

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 1 Exiom offer

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.