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Q-Cells vs SunKean - solar panel manufacturer comparison

Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
VS
SunKean
China Founded 2013
Read the SunKean review
At a glance

Q-Cells has the broader catalog (89 vs 57 models). SunKean leads on peak efficiency at 23.52%. SunKean leans bifacial (77% 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
89 57
Highest power
675 Wp 700 Wp
Best efficiency
23.2% 23.5%
Average efficiency
21.2% 21.2%
Bifacial share
39% 77%
Average warranty
27 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
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
SunKean

SUNKEAN specializes in providing sustainable energy connection solutions to global customers. They offer a range of products including solar cables, wire harnesses, and related connectors for photovoltaic, energy storage, and charging sectors. As of 2025, SUNKEAN employs over 200 people and operates a production...

Founded
2013
Headquarters
Wuxi, Jiangsu, China
Employees
200+
02

Catalogue against catalogue

Averages over every model in the database
Metric Q-Cells SunKean
Catalog & Power
Panel Models 89+32 57
Max Power 675 W 700 W+25 W
Avg Power 468 W+22 W 447 W
Efficiency
Max Efficiency 23.20% 23.52%+0.32 pp
Avg Efficiency 21.21% 21.25%+0.03 pp
Reliability & Warranty
Avg Temp Coefficient -0.325%/°C -0.300%/°C+0.025
Bifacial Share 35 (39%) 44 (77%)+38 pp
Avg Warranty 27.0 yrs 28.9 yrs+2.0 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

SunKean skews to higher efficiency: 9% of lineup is 23%+

Power spread
Share of each catalogue in every power band

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

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

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

SunKean cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (39%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Q-Cells (Hanwha Qcells) is a German-founded, now Seoul-headquartered manufacturer with a well-documented history and formal Tier 1 and BloombergNEF bankability status. SunKean, by contrast, turns out to be primarily a solar cable, wire-harness and connector manufacturer based in Wuxi, Jiangsu, China, founded in 2013, not a dedicated PV module producer with a comparable public track record. I'll note this asymmetry explicitly in the comparison rather than inventing panel specs for SunKean.

Q-Cells is a solar manufacturer with roots in Bitterfeld-Wolfen, Germany, where it was founded in 1999 and began producing solar cells in 2001. After filing for bankruptcy in 2012, it was acquired by South Korea's Hanwha Group and now operates as Hanwha Qcells, headquartered in Seoul with a German engineering office still active and manufacturing plants in the US, Malaysia and South Korea. The company holds a top tier bankability score from BloombergNEF and was named a 2025 Tier 1 Cleantech Company by S&P Global, and its US footprint alone, anchored by the Cartersville and Dalton, Georgia facilities, is on track for roughly 8.6 GW of annual module output, part of a group-wide annual capacity cited around 11.2 GW. SunKean, founded in 2013 and based in Wuxi, Jiangsu, China, is a much smaller and differently positioned company: available sourcing shows it is primarily known as a manufacturer of solar cables, wire harnesses and connectors for PV, energy storage and EV-charging applications, with around 240 employees and roughly 80,000 square meters of facilities, rather than a vertically integrated panel maker with a public Tier 1 or BNEF bankability listing. On institutional footprint, Q-Cells is unambiguously the stronger and more thoroughly documented player.

Q-Cells' product range spans premium residential and commercial rooftop modules as well as utility-scale offerings, generally built around high-efficiency cell architectures that the company has progressively moved toward advanced technologies such as TOPCon in its newer product lines, and its US-made panels are frequently cited for domestic-content incentive eligibility under the Inflation Reduction Act. SunKean's catalog, based on available listings, centers on solar cable and connector systems and custom solar panel system integration rather than a flagship line of high-efficiency cells, so it functions more as a components and system-integration supplier than a direct competitor to Q-Cells in core module technology or performance tier.

Given this asymmetry, Q-Cells is the clearer default choice for a typical 2025 buyer seeking a panel with established bankability, financing eligibility and a long independent review history, while SunKean appears better understood as a complementary components supplier rather than a like-for-like alternative in panel selection; buyers should verify SunKean's specific product scope directly before treating it as a module brand comparable to Q-Cells.

Generated by Claude Sonnet 5 · 2026-10-02

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 24 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.