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AE Solar vs Sunplus - solar panel manufacturer comparison

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

AE Solar has the broader catalog (646 vs 11 models). AE Solar leads on peak efficiency at 24.43%. Sunplus leans bifacial (100% 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
646 11
Highest power
730 Wp 750 Wp
Best efficiency
24.4% 24.1%
Average efficiency
21.1% 22.4%
Bifacial share
63% 100%
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 AE Solar Sunplus
Catalog & Power
Panel Models 646+635 11
Max Power 730 W 750 W+20 W
Avg Power 489 W 670 W+182 W
Efficiency
Max Efficiency 24.43%+0.33 pp 24.10%
Avg Efficiency 21.11% 22.42%+1.31 pp
Reliability & Warranty
Avg Temp Coefficient -0.312%/°C+0.006 -0.318%/°C
Bifacial Share 405 (63%) 11 (100%)+37 pp
Avg Warranty 29.7 yrs 30.0 yrs+0.3 yr

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

Sunplus skews to higher efficiency: 55% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Sunplus offers more 600W+ panels (64% of lineup)

AE Solar cell technology
Share of their models by cell architecture

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

Sunplus cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>HJT</strong> (55%)

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, and operates today as AE Alternative Energy GmbH, headquartered in Gersthofen, Bavaria. The company maintains manufacturing facilities in China, Georgia, and Turkey, with a combined annual production capacity of approximately 2.5 GW. It has achieved more than 16 consecutive BloombergNEF Tier 1 rankings and in BNEF's 2024 Global PV Module Bankability report ranked 18th out of 67 evaluated manufacturers - distinguished as the sole European manufacturer to reach the high-bankability tier. Its bankability score rose from 26% in 2023 to 50% in 2024, a meaningful improvement. SUNPLUS OPTIMUM INC markets itself primarily toward the Americas, Caribbean, and Middle East, describing itself openly as an up-and-coming brand in those territories. It claims manufacturing bases in Asia, Europe, and the Americas and offers modules built on PERC, TOPCon, HJT, and shingled cell technologies, but no independent confirmation of BloombergNEF Tier 1 status or verified production capacity figures appeared in the sources searched. In terms of documented institutional standing, AE Solar carries the stronger track record.

AE Solar's product portfolio centers on two main families: the Aurora series using P-type PERC cells (up to approximately 415 W) and the Meteor series using N-type TOPCon cells, which earned a five-star rating in PV Magazine's module test and the Kiwa PVEL Top Performer Award in 2025. The lineup covers residential rooftop installations, commercial C&I projects, and utility-scale ground-mount arrays across more than 95 countries. SUNPLUS OPTIMUM positions its bifacial dual-glass modules for residential, commercial, and utility-scale use cases and claims efficiency ratings in the 21-22% range, but independent third-party test results and European installer field reviews were not found in available public sources.

For international buyers - particularly in Europe - AE Solar offers a clearer bankability story, verifiable third-party performance awards, and an established distribution network, making it the lower-risk choice for financed or utility-scale projects. SUNPLUS OPTIMUM may appeal to buyers in the Americas or regions where its distribution is more active, but buyers in markets where bankability documentation is required for project financing should verify the brand's credentials independently before committing.

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 4 AE Solar offers · See 7 Sunplus 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.