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Hounen Solar vs Q-Cells - solar panel manufacturer comparison

Hounen Solar
China Founded 2010
Read the Hounen Solar 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 44 models). Hounen Solar leads on peak efficiency at 23.34%. Hounen Solar leans bifacial (86% 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
44 89
Highest power
725 Wp 675 Wp
Best efficiency
23.3% 23.2%
Average efficiency
21.7% 21.2%
Bifacial share
86% 39%
Average warranty
29 yrs 27 yrs
01

The two companies

Company facts, not datasheet figures
Hounen Solar

Hounen Solar (Zhejiang Haoneng Optoelectronics) is a Chinese solar PV module manufacturer with its U.S. operations branded as Hounen Solar America. The company produces solar panels for residential, commercial, and utility-scale applications, and in 2023 established a 1 GW module assembly facility in Orangeburg, South...

Founded
2010
Headquarters
Haining, China
Annual capacity
1-2 GW/year
Employees
200-500
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 Hounen Solar Q-Cells
Catalog & Power
Panel Models 44 89+45
Max Power 725 W+50 W 675 W
Avg Power 569 W+100 W 468 W
Efficiency
Max Efficiency 23.34%+0.14 pp 23.20%
Avg Efficiency 21.75%+0.53 pp 21.21%
Reliability & Warranty
Avg Temp Coefficient -0.325%/°C -0.325%/°C+0.000
Bifacial Share 38 (86%)+47 pp 35 (39%)
Avg Warranty 28.6 yrs+1.7 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

Hounen Solar skews to higher efficiency: 7% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Hounen Solar offers more 600W+ panels (43% of lineup)

Hounen Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>N-type</strong> (48%)

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...

Hounen Solar is a relatively young US-based manufacturer, founded in 2022 and operating a module assembly facility in Orangeburg, South Carolina. The company was established to take advantage of domestic manufacturing incentives and targets the American market directly. As of mid-2026, Hounen has been building toward a 1 GW annual production capacity at its South Carolina plant and was publicly aiming for Tier 1 bankability recognition by the end of 2025, though it has not yet appeared on BloombergNEF's confirmed Tier 1 lists. Q-Cells, now operating under the Hanwha Group banner as Hanwha Qcells, has a far longer institutional history - it was founded in 1999 in Germany, became part of South Korean conglomerate Hanwha in 2012, and now maintains a global production capacity reported at over 11 GW annually. Hanwha Qcells holds a confirmed BNEF Top Tier bankability score and was named an S&P Global 2025 Tier 1 Cleantech company. On institutional footprint and bankability, Hanwha Qcells holds a decisive advantage.

Hounen Solar's current lineup spans roughly 400 W residential modules up to 720 W commercial formats, all assembled in the US from imported cells, and currently relies on PERC cell technology - the company has signaled a future transition to HJT and eventually tandem HJT-perovskite, but those products are not yet in production. Hounen's domestic assembly is its primary commercial differentiator, potentially reducing tariff exposure for US buyers. Hanwha Qcells serves a broader range of segments - premium residential rooftops, commercial installations, and utility-scale ground mounts - and its product families include the PERC-based Q.PEAK DUO series and the newer Q.TRON line, which is based on more advanced cell passivation and delivers efficiency ratings up to around 23.7% with a notably low annual degradation rate of 0.33%. Qcells also manufactures many of its US-market modules in Dalton, Georgia, and is building a fully integrated ingot-to-module supply chain in Cartersville, Georgia.

For most buyers in 2025, Hanwha Qcells is the safer default: it carries well-established bankability credentials, a longer track record, broader product depth, and more competitive warranties - 25 years on product and performance across its residential line. Hounen Solar may appeal specifically to buyers who need US-assembled modules to satisfy procurement rules or tariff constraints and are comfortable with a younger brand, but its institutional profile is still developing. The two are not interchangeable for large commercial or financed projects where bankability ratings matter to lenders.

Generated by Claude Sonnet · 2026-06-09

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.

Shop prices: 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.