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Sunman vs AEET - solar panel manufacturer comparison

Sunman
China Founded 2014
Read the Sunman review
VS
AEET
Headquarters not published
Read the AEET review
At a glance

Sunman has the broader catalog (6 vs 5 models). Sunman leads on peak efficiency at 19.40%.

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
6 5
Highest power
520 Wp 200 Wp
Best efficiency
19.4% 15.7%
Average efficiency
17.7% 14.9%
Bifacial share
0% 0%
Average warranty
25 yrs 25 yrs
01

The two companies

Company facts, not datasheet figures
Sunman

Sunman Energy is a technology company pioneering ultra-light, glass-free crystalline silicon solar modules under its proprietary eArc technology — the world's first such product, weighing up to 70% less than conventional glass panels. Founded by Dr. Zhengrong Shi (the founder of Suntech), the company targets niche...

Founded
2014
Headquarters
Shanghai, China
Annual capacity
1-2 GW/year
Employees
51-200
02

Catalogue against catalogue

Averages over every model in the database
Metric Sunman AEET
Catalog & Power
Panel Models 6+1 5
Max Power 520 W+320 W 200 W
Avg Power 312 W+122 W 190 W
Efficiency
Max Efficiency 19.40%+3.70 pp 15.70%
Avg Efficiency 17.74%+2.84 pp 14.90%
Reliability & Warranty
Avg Temp Coefficient -0.356%/°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
Sunman cell technology
Share of their models by cell architecture

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

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...

Sunman is a specialty solar manufacturer founded in 2014 by Dr. Zhengrong Shi - the entrepreneur who previously built Suntech into one of China's first globally recognized solar giants. The company's operational base is effectively Australia-focused, and in late 2025 it secured AUD 171 million in combined federal and state government funding to build a 500 MW module manufacturing plant in New South Wales's Hunter Valley. Sunman is not confirmed on Bloomberg NEF Tier 1 bankability lists, reflecting its status as a niche innovator rather than a high-volume commodity producer. AEET Energy Group GmbH is a considerably smaller operation headquartered in Bad Gandersheim, Germany, that combines photovoltaic wholesale distribution with project planning and installation services. ENF Solar lists AEET as a German manufacturer developing its own modules, though the company's primary public positioning is as a full-service regional partner for both residential customers and commercial solar parks. Between the two, Sunman carries the more recognizable institutional lineage and a clearer technology identity.

The contrast in product strategy is sharp. Sunman's defining product is the eArc range, a glass-free, ultra-lightweight crystalline silicon module made from a polymer composite that is roughly 70 percent lighter than a conventional framed glass panel and only 2 mm thick. That profile makes eArc suited to weight-sensitive structures, vehicles, marine applications, and curved or contoured surfaces where standard rigid panels cannot be fitted. The premium price reflects the specialized manufacturing process. AEET, by contrast, offers conventional crystalline silicon modules - sourced partly through partnerships with established manufacturers and partly under its own label - with a 10-year product warranty and a 25-year performance guarantee, targeting standard pitched-roof residential systems and mid-scale commercial ground or rooftop installations primarily in the German-speaking market.

For a typical buyer in 2025 who needs panels for a conventional rooftop or utility installation, neither brand is the obvious default: Sunman serves a distinct lightweight-application niche, and AEET is a regional European distributor-manufacturer without confirmed Tier 1 bankability. Buyers outside those specific contexts would generally be better served by an established Tier 1 manufacturer with multi-gigawatt capacity and a long track record of large-project financing.

Generated by Claude Sonnet · 2026-06-07

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 2 Sunman 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.