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Hiwatt Solar vs AEET - solar panel manufacturer comparison

Hiwatt Solar
Headquarters not published
Read the Hiwatt Solar review
VS
AEET
Headquarters not published
Read the AEET review
At a glance

Hiwatt Solar has the broader catalog (109 vs 5 models). Hiwatt Solar leads on peak efficiency at 23.50%. Hiwatt Solar leans bifacial (13% 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
109 5
Highest power
730 Wp 200 Wp
Best efficiency
23.5% 15.7%
Average efficiency
20.6% 14.9%
Bifacial share
13% 0%
Average warranty
25 yrs 25 yrs
01

The two companies

Company facts, not datasheet figures
02

Catalogue against catalogue

Averages over every model in the database
Metric Hiwatt Solar AEET
Catalog & Power
Panel Models 109+104 5
Max Power 730 W+530 W 200 W
Avg Power 476 W+286 W 190 W
Efficiency
Max Efficiency 23.50%+7.80 pp 15.70%
Avg Efficiency 20.60%+5.70 pp 14.90%
Reliability & Warranty
Avg Temp Coefficient -0.340%/°C -
Bifacial Share 14 (13%)+13 pp 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

Hiwatt Solar skews to higher efficiency: 8% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Hiwatt Solar offers more 600W+ panels (18% of lineup)

Hiwatt Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (46%)

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 photovoltaic wholesale and distribution company headquartered in Bad Gandersheim, Germany. Rather than operating its own gigawatt-scale production lines, AEET functions primarily as a full-service intermediary, supplying monocrystalline and thin-film modules through a network of more than 500 certified installer partners across Germany. The company's modules carry TUV Rheinland certification and come with a ten-year product warranty and a 25-year performance guarantee, but no BloombergNEF Tier 1 bankability classification was found in any available search results, which is consistent with its role as a distributor rather than a vertically integrated manufacturer. Hiwatt Solar Limited, by contrast, is a Chinese PV module manufacturer founded in 2009 and based in Guangdong province, with a self-reported annual production capacity of around 2.2 GW. Hiwatt Solar does not appear on any BloombergNEF Tier 1 list found in current search results, placing it in a similar institutional category to AEET despite their very different business models - AEET has the stronger European installer network, while Hiwatt has the larger manufacturing footprint.

AEET's catalog is oriented toward the German and broader European residential and commercial rooftop market, offering a range of module sizes and power classes suited to distributed generation projects. Hiwatt Solar's product line skews toward higher-wattage formats, including large-format 210 mm cell modules exceeding 700 W and bifacial double-glass variants aimed at commercial ground mounts and utility-adjacent projects. Hiwatt's product datasheets reference MBB half-cut cell designs and both single- and double-glass bifacial configurations, though independent third-party performance benchmarks for Hiwatt modules were not surfaced in available search results.

For a typical European residential buyer in 2025, AEET's established installer network and TUV-certified supply chain offer a lower-friction procurement path, while Hiwatt Solar may appeal to commercial developers seeking high-power modules at competitive Chinese-market pricing. Neither brand carries the institutional bankability of a confirmed BloombergNEF Tier 1 manufacturer, so buyers on either side should request project finance references and conduct standard due diligence before committing to large volumes.

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.

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.