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Q-Cells vs Ulica Solar - solar panel manufacturer comparison

Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
VS
Ulica Solar
China Founded 2014
Read the Ulica Solar review
At a glance

Q-Cells has the broader catalog (89 vs 76 models). Ulica Solar leads on peak efficiency at 23.88%. Ulica Solar leans bifacial (58% 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 76
Highest power
675 Wp 715 Wp
Best efficiency
23.2% 23.9%
Average efficiency
21.2% 22.3%
Bifacial share
39% 58%
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
Ulica Solar
Founded
2014
Headquarters
Jiaxing, China
02

Catalogue against catalogue

Averages over every model in the database
Metric Q-Cells Ulica Solar
Catalog & Power
Panel Models 89+13 76
Max Power 675 W 715 W+40 W
Avg Power 468 W 564 W+95 W
Efficiency
Max Efficiency 23.20% 23.88%+0.68 pp
Avg Efficiency 21.21% 22.26%+1.05 pp
Reliability & Warranty
Avg Temp Coefficient -0.325%/°C -0.303%/°C+0.022
Bifacial Share 35 (39%) 44 (58%)+19 pp
Avg Warranty 27.0 yrs 29.3 yrs+2.3 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

Ulica Solar skews to higher efficiency: 14% of lineup is 23%+

Power spread
Share of each catalogue in every power band

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

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

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

Ulica Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (95%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Q-Cells is a South Korean-owned solar brand with German engineering roots, originally founded in Germany in 1999 and acquired by Hanwha Group of South Korea in 2012. Headquartered in Seoul with major manufacturing in Jincheon, South Korea, and a flagship US factory in Dalton, Georgia - the largest solar module plant in the Western Hemisphere - Hanwha Q-Cells holds Bloomberg NEF Tier 1 bankable status and operates a combined global module capacity reported at over 11 GW per year. Ulica Solar, formally Ningbo Ulica Solar Co., Ltd., is a Chinese manufacturer established in 2005 and based in Ningbo, Zhejiang. It also carries Bloomberg NEF Tier 1 status and exports to over 100 countries, but it operates at a notably smaller institutional scale than Hanwha Q-Cells and carries less brand recognition in Western retail channels. On institutional footprint and market visibility, Q-Cells holds a clear advantage.

Q-Cells built its reputation on Q.ANTUM, a proprietary PERC-based cell architecture, and has been expanding into TOPCon production lines alongside long-term perovskite-tandem research. Its panels are well suited to premium residential rooftop installations and mid-size commercial projects, particularly in the US and Europe where its local manufacturing matters for trade policy compliance. Ulica Solar's portfolio spans residential, commercial, and utility-scale segments, with its more recent lines using N-type TOPCon cell technology and bifacial formats that make it competitive in cost-sensitive commercial and ground-mount applications. Ulica is better represented in markets like Australia, parts of Europe, and Southeast Asia than in North America.

For a typical buyer in 2025, Q-Cells is the lower-risk default choice - its US manufacturing, deep warranty infrastructure under Hanwha, and top-three industry rankings give it stronger long-term support credentials. Ulica Solar is a legitimate Tier 1 option for buyers where price sensitivity or regional distributor relationships are primary drivers, but it requires more due diligence on local installer familiarity and after-sales support.

Generated by Claude Sonnet · 2026-06-22

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 · See 8 Ulica Solar 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.