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G-STAR vs AE Solar - solar panel manufacturer comparison

G-STAR
Headquarters not published
Read the G-STAR review
VS
AE Solar
Germany Founded 2003 Tier 1
Read the AE Solar review
At a glance

AE Solar has the broader catalog (646 vs 36 models). AE Solar leads on peak efficiency at 24.43%. G-STAR leans bifacial (86% 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
36 646
Highest power
725 Wp 730 Wp
Best efficiency
23.5% 24.4%
Average efficiency
22.4% 21.1%
Bifacial share
86% 63%
Average warranty
30 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
AE Solar

AE Solar is a German Tier 1 manufacturer of high-efficiency photovoltaic (PV) modules. The company specializes in producing durable and innovative solar panels with German engineering standards, offering solutions for residential, commercial, and utility-scale applications. AE Solar operates in over 100 countries and...

Founded
2003
Headquarters
Gersthofen, Germany
Annual capacity
2+ GW/year
Employees
501-1000
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric G-STAR AE Solar
Catalog & Power
Panel Models 36 646+610
Max Power 725 W 730 W+5 W
Avg Power 562 W+73 W 489 W
Efficiency
Max Efficiency 23.51% 24.43%+0.92 pp
Avg Efficiency 22.41%+1.30 pp 21.11%
Reliability & Warranty
Avg Temp Coefficient -0.307%/°C+0.005 -0.312%/°C
Bifacial Share 31 (86%)+23 pp 405 (63%)
Avg Warranty 30.0 yrs+0.3 yr 29.7 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

G-STAR skews to higher efficiency: 28% of lineup is 23%+

Power spread
Share of each catalogue in every power band

G-STAR offers more 600W+ panels (36% of lineup)

G-STAR cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (72%)

AE Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (54%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

AE Solar was founded in 2003 by Alexander Maier and his siblings in Königsbrunn, Germany, growing from a family business into a globally recognized brand active in more than 95 countries. Its headquarters remain in Germany, with manufacturing facilities in China, Georgia, and Turkey contributing to an annual production capacity of approximately 2.5 GW. AE Solar holds a confirmed BloombergNEF Tier 1 status and was ranked 18th among 67 evaluated manufacturers in BNEF's Global PV Module and Inverter Bankability 2024 report - distinguished as the sole European company on that list, with its bankability score rising from 26% in 2023 to 50% in 2024. G-STAR Pte. Ltd. is a considerably younger company, established in 2019 and headquartered in Singapore. It operates a "1+N" expansion model with one global headquarters and manufacturing bases across the Philippines, Indonesia, Thailand, Laos, and other Southeast Asian countries. The company's declared total group capacity stands at 17.5 GW, though a large portion of that is still being brought online as of 2025. G-STAR is listed as active in several European markets including Poland, Germany, and the UK, but no publicly available evidence was found confirming a BloombergNEF Tier 1 or equivalent bankability rating for the brand. On institutional footprint alone, AE Solar holds the stronger position in Europe.

For international buyers, AE Solar's core offering centers on its Aurora series (P-type PERC, 395-415 W range) and its Meteor series (N-type TOPCon, 430-440 W, up to 22.57% efficiency), suited to residential rooftop installs and commercial C&I projects. The brand received the Kiwa PVEL Top Performer Award in 2025 and integrates NFC chip anti-counterfeiting technology into its modules. G-STAR targets a broader application spectrum with a product range spanning from 100 W to 740 W and covering PERC, TOPCon, HJT, and Back Contact cell technologies in both monofacial and bifacial configurations. The company offers a 25-year product warranty and a 30-year linear power warranty with an annual degradation rate of 0.40%, and its modules carry TUV and ETL certifications. A 440 W frameless TOPCon module was introduced in late 2024, and the first phase of its Philippine cell and module factory was commissioned in 2025.

For international buyers evaluating the two brands, AE Solar offers a longer track record, confirmed bankability, and an established European service network - making it the lower-risk choice for project finance and warranty recourse. G-STAR is an ambitious and technically broad player that may appeal to buyers seeking wider wattage ranges or newer cell technologies such as HJT and BC, but its shorter operating history and unconfirmed Tier 1 status warrant additional due diligence, particularly for large-scale financed projects.

Generated by Claude Sonnet · 2026-05-13

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 5 AE Solar 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.