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Gintech vs AEET - solar panel manufacturer comparison

Gintech
Taiwan Founded 2005
Read the Gintech review
VS
AEET
Headquarters not published
Read the AEET review
At a glance

Gintech has the broader catalog (7 vs 5 models). Gintech leads on peak efficiency at 18.80%.

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
7 5
Highest power
365 Wp 200 Wp
Best efficiency
18.8% 15.7%
Average efficiency
16.6% 14.9%
Bifacial share
0% 0%
Average warranty
25 yrs 25 yrs
01

The two companies

Company facts, not datasheet figures
Gintech

Gintech Energy Corporation was a Taiwanese manufacturer of crystalline silicon solar cells and modules, founded in 2005 and headquartered in Zhunan, Hsinchu Science Park. The company produced mono- and multi-crystalline solar cells under its Diamond, Douro, and Phoenix product lines. In January 2018, Gintech merged...

Founded
2005
Headquarters
Zhunan (Hsinchu Science Park), Taiwan
Employees
1000-2000
02

Catalogue against catalogue

Averages over every model in the database
Metric Gintech AEET
Catalog & Power
Panel Models 7+2 5
Max Power 365 W+165 W 200 W
Avg Power 281 W+91 W 190 W
Efficiency
Max Efficiency 18.80%+3.10 pp 15.70%
Avg Efficiency 16.61%+1.71 pp 14.90%
Reliability & Warranty
Avg Temp Coefficient -0.416%/°C -
Bifacial Share 0 (0%) 0 (0%)
Avg Warranty 25.0 yrs 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
Power spread
Share of each catalogue in every power band
Gintech cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (29%)

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...

Gintech Energy is a Taiwanese solar manufacturer founded in August 2005 and originally headquartered in Jhunan, Hsinchu County, Taiwan. The company listed on the Taiwan Stock Exchange in 2007 and built a sizeable solar cell production base over the following decade. In 2018, Gintech completed a three-way merger with Neo Solar Power and Solartech Energy to form United Renewable Energy Co. (UREC), a combined entity that carried roughly 5 GW of cell capacity and approximately 3 GW of module assembly capacity at the time of consolidation, according to PV Magazine. Gintech no longer operates as an independent brand, and panels sold under its name represent pre-merger legacy stock. AEET Energy Group GmbH is a German company headquartered in Bad Gandersheim, Germany. It presents itself primarily as a photovoltaic wholesale partner and full-service integrator rather than an original equipment manufacturer at industrial scale - it sources and distributes panels from established producers and maintains a certified specialist partner network of more than 500 installers across Germany. Neither company currently holds an independent BloombergNEF Tier 1 bankability listing: Gintech as a standalone entity ceased to exist, and AEET's distributor model sits outside the scope of those rosters.

Gintech's historical product range centered on multicrystalline and monocrystalline modules in roughly the 285-360 W output band - specifications that predate today's mainstream TOPCon and HJT technology generations and are no longer competitive by current efficiency benchmarks. AEET's catalog reflects contemporary market offerings, including monocrystalline and thin-film modules positioned at the residential and small-commercial rooftop segment in the European market, though the underlying cell technology depends entirely on whichever manufacturers AEET is sourcing from at a given time.

For a buyer in 2025, neither option represents a clear first choice. Gintech panels carry uncertainty around post-merger warranty support, while AEET is better evaluated as a regional procurement channel than as a named module brand. Buyers comparing these two would be better served assessing UREC's current lineup as Gintech's active successor, or scrutinizing the specific panel brands AEET distributes before committing.

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.

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.