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Maxeon vs Q-Cells - solar panel manufacturer comparison

Maxeon
Singapore Founded 2020 Tier 1
Read the Maxeon 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 36 models). Maxeon leads on peak efficiency at 24.00%. Maxeon leans bifacial (53% 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
36 89
Highest power
555 Wp 675 Wp
Best efficiency
24.0% 23.2%
Average efficiency
21.4% 21.2%
Bifacial share
53% 39%
Average warranty
31 yrs 27 yrs
01

The two companies

Company facts, not datasheet figures
Maxeon
Founded
2020
Headquarters
Singapore, Singapore
Tier 1 bankable
Yes
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 Maxeon Q-Cells
Catalog & Power
Panel Models 36 89+53
Max Power 555 W 675 W+120 W
Avg Power 444 W 468 W+25 W
Efficiency
Max Efficiency 24.00%+0.80 pp 23.20%
Avg Efficiency 21.36%+0.15 pp 21.21%
Reliability & Warranty
Avg Temp Coefficient -0.294%/°C+0.031 -0.325%/°C
Bifacial Share 19 (53%)+13 pp 35 (39%)
Avg Warranty 31.4 yrs+4.4 yr 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

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

Power spread
Share of each catalogue in every power band

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

Maxeon cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>Back Contact</strong> (42%)

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
05

Written summary

Checking cache...

Maxeon Solar Technologies is a Singapore-headquartered manufacturer spun out of the American firm SunPower in 2020, carrying more than 40 years of accumulated cell-engineering history into its independent structure. It holds Tier 1 status, qualifying it as bankable for project finance. Q-Cells - trading today as Hanwha Q CELLS - has older and deeper institutional roots: the brand was founded in Germany in 1999 and acquired in 2012 by South Korea's Hanwha Group, a conglomerate with reported assets exceeding $150 billion. Hanwha Q CELLS also holds Bloomberg Tier 1 designation and benefits from the backing of one of Asia's largest industrial groups. On institutional footprint, Hanwha Q CELLS holds the edge, supported by a diversified global manufacturing base and a U.S. factory in Dalton, Georgia that is described by multiple industry sources as the largest solar manufacturing facility in the Western Hemisphere.

Maxeon's product line is built around its proprietary IBC (interdigitated back-contact) cell architecture, which places all electrical contacts on the rear of the cell to minimize shading losses and push panel efficiency to around 22.8% on commercial models. This positions Maxeon firmly in the premium residential and light-commercial segment, backed by a 40-year product warranty - the longest available in the industry. Hanwha Q CELLS covers a wider range: its Q.PEAK DUO series uses Q.ANTUM NEO technology, a passivated-contact approach comparable to TOPCon, reaching reported efficiencies up to 22.5%. Its broader catalog spans value-conscious residential rooftops, commercial installations, and utility-scale ground mounts, at pricing that is typically 15-20% below Maxeon on a per-watt basis.

For most residential buyers in 2025, Q-Cells represents the stronger default choice: it delivers efficiency figures within a few percentage points of Maxeon's best, carries credible Tier 1 bankability backed by a major industrial conglomerate, and comes in well below Maxeon's price point. Maxeon remains the right call for buyers with severely space-constrained rooftops, an unusually long investment horizon, or a strong preference for the industry's most comprehensive warranty coverage.

Generated by Claude Sonnet · 2026-05-16

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 27 Maxeon offers · See 25 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.