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AEET vs Runtech China - solar panel manufacturer comparison

AEET
Headquarters not published
Read the AEET review
VS
Runtech China
China Founded 2008
Read the Runtech China review
At a glance

Runtech China has the broader catalog (21 vs 5 models). Runtech China leads on peak efficiency at 24.30%.

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
5 21
Highest power
200 Wp 420 Wp
Best efficiency
15.7% 24.3%
Average efficiency
14.9% 18.6%
Bifacial share
0% 5%
Average warranty
25 yrs 25 yrs
01

The two companies

Company facts, not datasheet figures
Runtech China

Runtech Energy, founded in 2008, is a leading independent solar production supplier and designer. They are a trader of solar modules and PV project developer, with over 500MW of premium quality modules deployed worldwide. Runtech is committed to providing high-quality solar products and system integration services.

Founded
2008
Headquarters
Xi'an, China
Employees
50+
02

Catalogue against catalogue

Averages over every model in the database
Metric AEET Runtech China
Catalog & Power
Panel Models 5 21+16
Max Power 200 W 420 W+220 W
Avg Power 190 W 301 W+111 W
Efficiency
Max Efficiency 15.70% 24.30%+8.60 pp
Avg Efficiency 14.90% 18.59%+3.69 pp
Reliability & Warranty
Avg Temp Coefficient - -0.350%/°C
Bifacial Share 0 (0%) 1 (5%)+5 pp
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

Runtech China skews to higher efficiency: 5% of lineup is 23%+

Power spread
Share of each catalogue in every power band
AEET cell technology
Share of their models by cell architecture

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

Runtech China cell technology
Share of their models by cell architecture
04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Runtech China is a small-scale solar module supplier based in Changzhou, Jiangsu province, China, operating since approximately 2014. The company functions simultaneously as a limited-volume manufacturer - with a self-reported annual production capacity of around 200 MW - and as a trading intermediary that resells modules from better-known Chinese brands such as LONGi and Canadian Solar under its own commercial umbrella. It does not appear on the BloombergNEF Tier 1 list as an independent manufacturer, and its bankability rests almost entirely on the underlying brands it distributes rather than on its own production standing. AEET Energy Group GmbH, by contrast, is a Germany-based photovoltaic wholesale distributor and full-service installation company headquartered in Bad Gandersheim, Lower Saxony. AEET serves a network of more than 500 certified specialist partners across Germany, holds TUV Rheinland certifications, and positions itself as a one-stop procurement channel for European installers. Neither company qualifies as a primary panel manufacturer in the traditional sense, though AEET's European legal structure, warehouse logistics, and service infrastructure give it the stronger institutional footprint for buyers operating within the EU.

Because Runtech China's ENF Solar listings include datasheets for third-party modules - covering monocrystalline products sourced from Tier 1 Chinese suppliers alongside its own production - its effective catalog is broader than its in-house manufacturing line would suggest. The directly manufactured Runtech modules appear oriented toward small off-grid and budget commercial applications across a wide wattage range. AEET, acting purely as a wholesale partner rather than a manufacturer, sources modules from multiple leading producers and emphasizes rapid delivery from its European warehouse, making it a natural fit for residential and light-commercial installers in Germany and neighboring markets who need procurement flexibility and local after-sales coordination.

For a typical buyer in 2025, AEET Energy Group is the more predictable choice for European projects where local service continuity matters, while Runtech China may appeal to cost-sensitive buyers in markets accustomed to sourcing direct from China - provided they verify which underlying module brand is actually being supplied. The two companies are not directly comparable as competing manufacturers; they are region-specific distribution and service businesses that happen to overlap in product categories, making their suitability almost entirely dependent on geography and project scale.

Generated by Claude Sonnet · 2026-07-09

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.