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Q-Cells vs Solar N Plus - solar panel manufacturer comparison

Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
VS
Solar N Plus
Headquarters not published
Read the Solar N Plus review
At a glance

Solar N Plus has the broader catalog (149 vs 89 models). Solar N Plus leads on peak efficiency at 23.30%. Solar N Plus leans bifacial (74% 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
89 149
Highest power
675 Wp 720 Wp
Best efficiency
23.2% 23.3%
Average efficiency
21.2% 22.0%
Bifacial share
39% 74%
Average warranty
27 yrs 30 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
02

Catalogue against catalogue

Averages over every model in the database
Metric Q-Cells Solar N Plus
Catalog & Power
Panel Models 89 149+60
Max Power 675 W 720 W+45 W
Avg Power 468 W 506 W+38 W
Efficiency
Max Efficiency 23.20% 23.30%+0.10 pp
Avg Efficiency 21.21% 21.96%+0.74 pp
Reliability & Warranty
Avg Temp Coefficient -0.325%/°C -0.316%/°C+0.009
Bifacial Share 35 (39%) 111 (74%)+35 pp
Avg Warranty 27.0 yrs 29.7 yrs+2.7 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

Solar N Plus skews to higher efficiency: 11% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Solar N Plus 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 N Plus cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (56%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Q-Cells was originally founded in Germany in 1999 and acquired by South Korea's Hanwha Group in 2012. It now operates under the Hanwha Solutions umbrella with R&D based in Thalheim, Germany and a significant US manufacturing presence in Dalton and Cartersville, Georgia. The company holds confirmed BloombergNEF Tier 1 status and has received a $1.45 billion US Department of Energy loan toward domestic expansion; its global module capacity stands at approximately 11 GW annually, with US capacity alone near 8.4 GW. Solar N Plus New Energy Technology Co., Ltd is a Chinese manufacturer headquartered in Chuzhou, Anhui, operating five production bases across China, Laos, and Indonesia with a claimed combined solar cell and module capacity of around 20 GW as of 2023; it holds a Dun & Bradstreet 5AA1 credit rating but does not appear on publicly accessible BloombergNEF Tier 1 rankings. By institutional depth and bankability, Q-Cells holds the stronger footprint.

In product terms, Q-Cells targets the premium residential and mid-range commercial rooftop market with its Q.ANTUM NEO line - an n-type TOPCon variant - reaching module efficiencies of up to roughly 22.5% and backed by 25-year product warranties. Its US domestic manufacturing also makes it attractive for projects requiring domestic content compliance under federal incentive programs. Solar N Plus is oriented primarily toward commercial, industrial, and utility-scale applications, supplying large-format TOPCon modules with outputs reported up to 600 W and cell efficiencies said to reach the 26.3-26.5% range; it also markets an integrated solar-plus-storage portfolio aimed at project developers and C&I buyers.

For most buyers in 2025, Q-Cells is the lower-risk default: confirmed Tier 1 bankability, broad independent review coverage, and a well-established warranty program make it straightforward to finance and insure. Solar N Plus may suit cost-sensitive utility or C&I developers seeking high-wattage TOPCon module supply at scale, but limited third-party review coverage and unconfirmed Tier 1 status mean additional due diligence is warranted before committing.

Generated by Claude Sonnet · 2026-06-28

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.