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Deye vs Q-Cells - solar panel manufacturer comparison

Deye
China Founded 1990
Read the Deye review
VS
Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
At a glance

Q-Cells has the broader catalog (89 vs 0 models). Q-Cells leans bifacial (39% 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
0 89
Highest power
0 Wp 675 Wp
Best efficiency
- 23.2%
Average efficiency
- 21.2%
Bifacial share
0% 39%
Average warranty
- 27 yrs
01

The two companies

Company facts, not datasheet figures
Deye

Ningbo Deye Technology Co., Ltd. is a comprehensive technology manufacturing enterprise integrating R&D, design, production, sales, and service. The company has four core industrial chains: solar inverter systems, solar air conditioner systems, solar energy storage batteries, and dehumidifiers. Deye's products are...

Founded
1990
Headquarters
Ningbo, China
Annual capacity
5+ GW/year
Employees
5000-10000
Q-Cells

Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...

Founded
1999
Headquarters
Seoul, South Korea
Annual capacity
11.2 GW/year
Employees
2000+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Deye Q-Cells
Catalog & Power
Panel Models 0 89+89
Max Power 0 W 675 W+675 W
Avg Power 0 W 468 W+468 W
Efficiency
Max Efficiency - 23.20%
Avg Efficiency - 21.21%
Reliability & Warranty
Avg Temp Coefficient - -0.325%/°C
Bifacial Share 0 (0%) 35 (39%)+39 pp
Avg Warranty - 27.0 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

Q-Cells skews to higher efficiency: 2% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Q-Cells offers more 600W+ panels (19% of lineup)

Deye cell technology
Share of their models by cell architecture
Q-Cells cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (43%)

04

The flagships

Highest-power models from each brand
Deye all models
No panels from this manufacturer are in the database yet.
05

Written summary

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06

Other brand comparisons

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ARTsolar Q-Cells
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 23 Q-Cells 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.