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Q-Cells vs Tangra - solar panel manufacturer comparison

Q-Cells
South Korea Founded 1999 Tier 1
Read the Q-Cells review
VS
Tangra
China Founded 2016 Tier 1
Read the Tangra 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
Tangra

Tangra is the flagship solar module product line of Sunova Solar Technology Co., Ltd. (rebranded as Thornova Solar), a Chinese photovoltaic manufacturer founded in 2016 and headquartered in Wuxi, Jiangsu Province. The company specializes in high-efficiency N-type TOPCon bifacial modules under the Tangra series (S, M...

Founded
2016
Headquarters
Wuxi, China
Annual capacity
5-10 GW/year
Employees
500-1000
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Q-Cells Tangra
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%)

Tangra cell technology
Share of their models by cell architecture
04

The flagships

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

Written summary

Checking cache...

Q-Cells, operating as the Qcells Division of South Korea's Hanwha Group, traces its roots to a German startup founded in 1999 and acquired by Hanwha in 2012. It holds Bloomberg NEF Tier 1 manufacturer status and operates global module production capacity reported at roughly 11 GW per year, with a significant domestic U.S. footprint anchored by facilities in Dalton and Cartersville, Georgia. Tangra is the flagship module line of Thornova Solar, a company founded in the United States in 2022, with manufacturing concentrated in China and Indonesia. Thornova achieved Bloomberg Tier 1 status within its first year - a rapid accreditation for a young brand - and reports aggregate cell and module capacity across its Asian facilities in the several-GW range. On institutional footprint, Q-Cells' decade-plus track record, balance-sheet backing from Hanwha, and domestic U.S. manufacturing give it a clear advantage.

Q-Cells covers residential rooftops, commercial rooftops, and utility-scale ground mounts through a broad product portfolio. Its current top-of-range modules use Q.ANTUM NEO cell technology, which is Qcells' implementation of TOPCon, with independently verified efficiencies reaching up to 23.7% in the highest-output residential models and a published 25-year product warranty. Tangra modules - particularly the Tangra M PRO and Tangra L PRO HD series - are N-type bifacial TOPCon designs rated in the 575-620 W range, oriented primarily toward commercial and utility-scale buyers. Kiwa PVEL recognized the Tangra M PRO as a Top Performer across all seven of its reliability test categories, a meaningful third-party credential for a newer brand.

For most buyers in 2025, Q-Cells is the lower-risk default: its warranty infrastructure is backed by a large conglomerate, its U.S. manufacturing partially insulates buyers from tariff exposure, and its product lineup spans virtually every segment. Tangra suits buyers who need high-wattage bifacial utility modules and value PVEL Top Performer status, but Thornova's short history and its 2025 acquisition by ICE EYE add supply-chain and warranty continuity questions that warrant due diligence.

Generated by Claude Sonnet · 2026-06-08

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.