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Heckert vs Q-Cells - solar panel manufacturer comparison

Heckert
Germany Founded 2001
Read the Heckert 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 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
0 89
Highest power
0 Wp 675 Wp
Best efficiency
- 23.2%
Average efficiency
- 21.2%
Bifacial share
0% 39%
Average warranty
- 27 yrs
01

The two companies

Company facts, not datasheet figures
Heckert

Heckert Solar GmbH is a German manufacturer of high-performance photovoltaic modules, producing exclusively at its facilities in Chemnitz and Langenwetzendorf, Saxony. The company is one of the few remaining solar module producers with full 'Made in Germany' manufacturing, operating with a nominal production capacity...

Founded
2001
Headquarters
Chemnitz, Germany
Annual capacity
0.9 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 Heckert Q-Cells
Catalog & Power
Panel Models 0 89+89
Max Power 0 W 675 W+675 W
Avg Power 0 W 468 W+468 W
Efficiency
Max Efficiency - 23.20%
Avg Efficiency - 21.21%
Reliability & Warranty
Avg Temp Coefficient - -0.325%/°C
Bifacial Share 0 (0%) 35 (39%)+39 pp
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)

Heckert cell technology
Share of their models by cell architecture
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
Heckert all models
No panels from this manufacturer are in the database yet.
05

Written summary

Checking cache...

Heckert Solar is a German manufacturer headquartered in Chemnitz, founded in 2001 and widely described as one of the last remaining solar module producers to maintain continuous production inside Germany. Its current nominal output capacity is around 800 MWp per year, a scale that is modest compared to Asian volume producers. The company holds "Made in Germany" certification as a central brand differentiator, but it does not appear on confirmed BloombergNEF Tier 1 bankability lists at this scale. Q-Cells, trading as Hanwha Qcells since its acquisition by South Korea's Hanwha Group (a Fortune Global 500 conglomerate), has roots in Germany but now operates globally with a combined manufacturing capacity of roughly 12 GW per year across Korea, Malaysia, and the United States. Qcells has achieved BNEF Top Tier bankability status and was named an S&P Global 2025 Tier 1 cleantech company. On institutional footprint and financial backing, Q-Cells holds a clear advantage.

In terms of product positioning, Heckert focuses on the European residential and small-commercial rooftop segment. Its NeMo series uses mono-PERC cells, while the more recent Apollon and Zeus lines deploy n-type TOPCon and back-contact technology, with the Zeus 3.0 reaching up to 480 Wp and roughly 23.5% efficiency alongside a 30-year product and performance warranty. Q-Cells covers a broader range - its Q.TRON n-type series targets premium residential buyers with efficiencies up to 23.7%, while the Q.PEAK DUO line addresses mainstream commercial installations with PERC technology. Qcells also manufactures panels domestically in Georgia, which matters for US buyers pursuing the Inflation Reduction Act domestic content bonus.

For most buyers outside Germany, Q-Cells is the stronger default in 2025: larger supply chain, confirmed bankability, and a well-documented warranty track record. Heckert is the defensible choice for European customers who place a premium on verified German manufacturing provenance and are willing to accept a smaller, less internationally diversified supplier.

Generated by Claude Sonnet · 2026-06-10

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.