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Q-Cells vs Solar Frontier - solar panel manufacturer comparison

Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
VS
Solar Frontier
Japan Founded 2006
Read the Solar Frontier 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
89 0
Highest power
675 Wp 0 Wp
Best efficiency
23.2% -
Average efficiency
21.2% -
Bifacial share
39% 0%
Average warranty
27 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
Solar Frontier

Solar Frontier is a leading CIS thin-film solar energy company specializing in the development and manufacturing of CIS (Copper-Indium-Selenium) thin-film solar modules. The company is headquartered in Tokyo, Japan, and is a fully owned subsidiary of Showa Shell Sekiyu, now part of Idemitsu Kosan Group. Solar...

Founded
2006
Headquarters
Tokyo, Japan
Annual capacity
1 GW/year
Employees
1,500
02

Catalogue against catalogue

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

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

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

Solar Frontier cell technology
Share of their models by cell architecture
04

The flagships

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

Written summary

Checking cache...

Q-Cells, now operating as Hanwha Q CELLS, traces its roots to Germany where it was founded in 1999 before being acquired by South Korean conglomerate Hanwha in 2012. Headquartered in Seoul with a major research and production presence in Bitterfeld-Wolfen, Germany, the company holds BloombergNEF Tier 1 status and operates one of the largest solar manufacturing footprints in the world, with combined global module capacity reported at over 11 GW per year. It also runs the largest solar manufacturing facility in the Western Hemisphere, located in Dalton, Georgia. Solar Frontier, by contrast, is a Japanese company founded as a subsidiary of Showa Shell Sekiyu (now absorbed into Idemitsu) and headquartered in Tokyo. At its peak it operated a CIS thin-film production campus with capacity exceeding 1 GW per year, but the company ceased all panel manufacturing at its Kunitomi plant in June 2022 and has since pivoted to operating as a PV systems integrator in the Japanese market. On institutional footprint, Q-Cells is incomparably stronger.

Q-Cells addresses residential rooftops, commercial installations, and utility-scale ground mounts through its Q.ANTUM product line, which is built on proprietary PERC cell architecture. Its newer Q.ANTUM NEO series incorporates advances that push module efficiency to around 22.5%, and the company has announced plans to bring TOPCon and ultimately tandem-cell products to market. Solar Frontier built its reputation on CIS (copper indium selenide) thin-film panels, which offered genuine advantages in low-irradiance and high-temperature conditions. In late 2021 the company also briefly launched a 250 W OEM monocrystalline module, but neither that line nor the CIS line is currently in production.

For any buyer evaluating panels in 2025, the comparison is effectively one-sided. Solar Frontier no longer manufactures panels and cannot be recommended as a procurement option. Q-Cells remains an active, bankable, Tier 1 manufacturer with a broad product portfolio, a 25-year product warranty, and verifiable domestic manufacturing in the United States - making it a credible default choice for residential, commercial, and utility buyers alike.

Generated by Claude Sonnet · 2026-06-11

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 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.