---
title: "Heckert vs Q-Cells - Brand Comparison | ComparePV"
description: "Compare Heckert vs Q-Cells solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/heckert-vs-q-cells"
---

# Heckert vs Q-Cells

Q-Cells has the broader catalog (89 vs 0 models). Q-Cells leans bifacial (39% of lineup).


## The two companies


| Attribute | Heckert | Q-Cells |
| --- | --- | --- |
| Country | Germany | South Korea |
| Headquarters | Chemnitz | Seoul |
| Founded | 2001 | 1999 |
| Employees | 200-500 | 2000+ |
| Annual capacity | 0.9 GW/year | 11.2 GW/year |
| Tier 1 |  | yes |
| Listed |  | NASDAQ: HQCL |
| Website | [https://www.heckertsolar.com](https://www.heckertsolar.com) | [https://www.qcells.com](https://www.qcells.com) |

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...

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...


## Catalog & Power


| Measure | Heckert | Q-Cells | Margin |
| --- | --- | --- | --- |
| Panel Models | 0 | 89 | +89 |
| Max Power | 0 W | 675 W | +675 W |
| Avg Power | 0 W | 468 W | +468 W |


## Efficiency


| Measure | Heckert | Q-Cells | Margin |
| --- | --- | --- | --- |
| Max Efficiency | - | 23.20% |  |
| Avg Efficiency | - | 21.21% |  |


## Reliability & Warranty


| Measure | Heckert | Q-Cells | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | - | -0.325%/°C |  |
| Bifacial Share | 0 (0%) | 35 (39%) | +39 pp |
| Avg Warranty | - | 27.0 yrs |  |


## Efficiency distribution

Q-Cells skews to higher efficiency: 2% of lineup is 23%+


| Efficiency band | Heckert | Q-Cells |
| --- | --- | --- |
| \<20% | 0 | 7 (7.9%) |
| 20-21% | 0 | 29 (32.6%) |
| 21-22% | 0 | 30 (33.7%) |
| 22-23% | 0 | 21 (23.6%) |
| 23%+ | 0 | 2 (2.2%) |


## Power distribution

Q-Cells offers more 600W+ panels (19% of lineup)


| Power band | Heckert | Q-Cells |
| --- | --- | --- |
| \<400W | 0 | 20 (22.5%) |
| 400-499W | 0 | 41 (46.1%) |
| 500-599W | 0 | 11 (12.4%) |
| 600-699W | 0 | 17 (19.1%) |


## Cell technology

Dominant cell tech: **PERC** (43%)


| Technology | Heckert | Q-Cells |
| --- | --- | --- |
| PERC | 0 | 38 (42.7%) |
| N-type | 0 | 23 (25.8%) |
| Unknown | 0 | 20 (22.5%) |
| TOPCon | 0 | 8 (9.0%) |


## Top panels, Q-Cells


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [Q.PEAK DUO ML-G12S.3 / BFG 675](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-675) | 675 | 21.7 | -0.340 | Monocrystalline |
| 2 | [Q.PEAK DUO ML-G12S.3 / BFG 670](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 3 | [Q.PEAK DUO ML-G12S.3 / BFG 665](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 4 | [Q.PEAK DUO ML-G12S.3 / BFG 660](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 5 | [Q.PEAK DUO ML-G12S.3 / BFG 655](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 6 | [Q.PEAK DUO ML-G12S.3 / BFG 650](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-650) | 650 | 20.9 | -0.340 | Monocrystalline |
| 7 | [Q.TRON XL-G2.3 / BFG 645](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-645) | 645 | 23.1 | -0.290 | Monocrystalline |
| 8 | [Q.TRON XL-G2.3 / BFG 640](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-640) | 640 | 22.9 | -0.290 | Monocrystalline |
| 9 | [Q.TRON XL-G2.3 / BFG 635](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-635) | 635 | 22.7 | -0.300 | Monocrystalline |
| 10 | [Q.TRON XL-G2.3 / BFG 630](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-630) | 630 | 22.6 | -0.300 | Monocrystalline |


## Summary

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.

\---LINKS---

\- https://comparepv.com/reviews/heckert-solar \| Heckert Solar Panels Review 2026 - Pros, Cons and Specs \| review

\- https://www.pv-magazine.de/2025/11/18/heckert-solar-stellt-neues-topcon-modul-mit-bis-zu-480-watt-vor/ \| Heckert Solar launches new TOPCon module up to 480 W - pv magazine \| article

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Expert Review of Qcells Solar Panels 2025 - SolarReviews \| review

\- https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/ \| Q CELLS Solar Panels: The Complete Review - EnergySage \| review

\- https://www.pv-magazine.com/press-releases/q-cells-achieves-top-tier-class-bankability-score-in-latest-bloombergnef-report/ \| Q Cells achieves Top Tier class bankability score in BloombergNEF \| article

Sources:

\- \[Heckert Solar Panels Review 2026 - ComparePV\](https://comparepv.com/reviews/heckert-solar)

\- \[Heckert Solar TOPCon module launch - pv-magazine.de\](https://www.pv-magazine.de/2025/11/18/heckert-solar-stellt-neues-topcon-modul-mit-bis-zu-480-watt-vor/)

\- \[Expert Review of Qcells Solar Panels 2025 - SolarReviews\](https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review)

\- \[Q CELLS Solar Panels: The Complete Review - EnergySage\](https://www.energysage.com/solar/best-solar-panels-complete-ranking/q-cells-solar-panels-complete-review/)

\- \[Q Cells achieves Top Tier bankability score - BloombergNEF - pv-magazine\](https://www.pv-magazine.com/press-releases/q-cells-achieves-top-tier-class-bankability-score-in-latest-bloombergnef-report/)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Heckert vs A.B. Energy](https://comparepv.com/heckert-vs-a-b-energy)
- [AE Solar vs Q-Cells](https://comparepv.com/ae-solar-vs-q-cells)
- [Heckert vs AEET](https://comparepv.com/heckert-vs-aeet)
- [AIKO vs Q-Cells](https://comparepv.com/aiko-vs-q-cells)
- [Heckert vs AKCOME](https://comparepv.com/heckert-vs-akcome)
- [ARTsolar vs Q-Cells](https://comparepv.com/artsolar-vs-q-cells)


---

Source: https://comparepv.com/heckert-vs-q-cells