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Haitai Solar vs Q-Cells - solar panel manufacturer comparison

Haitai Solar
China Founded 2006 Tier 1
Read the Haitai 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 16 models). Haitai Solar leans bifacial (100% 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
16 89
Highest power
720 Wp 675 Wp
Best efficiency
23.2% 23.2%
Average efficiency
21.7% 21.2%
Bifacial share
100% 39%
Average warranty
30 yrs 27 yrs
01

The two companies

Company facts, not datasheet figures
Haitai Solar

Haitai Solar, founded in 2006, is a high-tech enterprise focused on green energy, covering nine major business segments including PV modules, PV power stations, PV mounting systems, energy storage, hydrogen energy, wind energy, PV cells, graphite/Carbon electrodes, and battery swapping. The company is committed to...

Founded
2006
Headquarters
Tangshan, China
Annual capacity
10 GW/year
Employees
1001-5000
Tier 1 bankable
Yes
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 Haitai Solar Q-Cells
Catalog & Power
Panel Models 16 89+73
Max Power 720 W+45 W 675 W
Avg Power 527 W+59 W 468 W
Efficiency
Max Efficiency 23.20% 23.20%
Avg Efficiency 21.75%+0.53 pp 21.21%
Reliability & Warranty
Avg Temp Coefficient -0.276%/°C+0.048 -0.325%/°C
Bifacial Share 16 (100%)+61 pp 35 (39%)
Avg Warranty 30.0 yrs+3.0 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

Haitai Solar skews to higher efficiency: 12% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Haitai Solar offers more 600W+ panels (44% of lineup)

Haitai Solar cell technology
Share of their models by cell architecture

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

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...

Haitai Solar is a Chinese manufacturer headquartered in Tangshan, Hebei province, founded in 2006 and publicly listed on the Beijing Stock Exchange since 2022. The company achieved BNEF Tier 1 bankability status across all four quarters of 2025 and cites a total global production capacity of approximately 10 GW across facilities in Tangshan, Shaanxi, and Vietnam. Q-Cells - now operating as Hanwha Q CELLS following its 2012 acquisition by South Korean conglomerate Hanwha - traces its roots to Germany and today runs the largest solar manufacturing facility in the Western Hemisphere, located in Dalton, Georgia. Q CELLS likewise holds Bloomberg BNEF Tier 1 status and ranked third on SolarReviews' list of top panel manufacturers for 2025. In terms of institutional visibility and Western market penetration, Q CELLS carries the stronger footprint for buyers in North America and Europe.

Haitai Solar's catalog spans a wide power range and the company has committed significant capital to heterojunction (HJT) cell production, positioning its modules across residential, commercial-industrial, and utility-scale segments. Q CELLS concentrates its premium lineup on the Q.TRON series, built around the company's proprietary Q.ANTUM NEO N-type TOPCon technology, reaching module efficiencies up to 22.5% and a notably low temperature coefficient of -0.29 percent per degree Celsius - a measurable advantage in hot climates. Q.TRON modules carry 25-year product and performance warranties and are assembled in the USA, providing supply-chain and trade-policy benefits in the American market. The older Q.PEAK DUO family extends Q CELLS coverage into commercial rooftop projects at pricing roughly 15 to 20 percent below premium competitors such as Maxeon.

For a typical residential or commercial buyer in North America or Western Europe in 2025, Q CELLS is the more accessible default: its domestic US assembly, well-documented warranty track record, and consistent third-party review standing reduce procurement risk. Haitai Solar is a credible Tier 1 alternative particularly well-suited to Asia-Pacific buyers or international utility-scale developers where Chinese supply chains are standard and where the company's expanding HJT capacity may offer competitive efficiency at scale.

Generated by Claude Sonnet · 2026-06-21

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 1 Haitai Solar offer · See 24 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.