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

# Q-Cells vs Topsky Energy

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


## The two companies


| Attribute | Q-Cells | Topsky Energy |
| --- | --- | --- |
| Country | South Korea | China |
| Headquarters | Seoul | Shenzhen |
| Founded | 1999 | 1998 |
| Employees | 2000+ |  |
| Annual capacity | 11.2 GW/year | \<1 GW/year |
| Tier 1 | yes | no |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) | [https://www.topskyenergy.com](https://www.topskyenergy.com) |

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...

Shenzhen Topsky Energy Co., Ltd. is a Chinese manufacturer of solar cells and photovoltaic modules, including lightweight and customized panels. The company operates production facilities in Zhejiang and Jiangsu provinces, with sales and marketing based in Shenzhen and Hong Kong. Its products are distributed to over...


## Catalog & Power


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


## Efficiency


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


## Reliability & Warranty


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


## Efficiency distribution

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


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


## Power distribution

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


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


## Cell technology

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


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

Q-Cells, now operating as Hanwha Q CELLS, is a South Korean-owned manufacturer with German origins, absorbed into the Hanwha Group in 2012. Its primary U.S. manufacturing hub is in Dalton and Cartersville, Georgia, where confirmed annual module production capacity reaches roughly 8.4 GW - the largest silicon solar manufacturing footprint in the Western Hemisphere. The brand holds confirmed BloombergNEF Tier 1 bankability status and received a $1.45 billion U.S. Department of Energy loan commitment to support its domestic expansion. Topsky Energy is a significantly smaller Chinese manufacturer, headquartered in Shenzhen and founded in 1998, with reported module production capacity in the range of 800 MW per year. Independent searches found no evidence of Topsky Energy appearing on any BloombergNEF Tier 1 list, and major review platforms such as EnergySage and SolarReviews do not include it among ranked manufacturers. On institutional scale and bankability, Q-Cells holds a clear advantage.

Q-Cells targets both the premium residential rooftop and mid-market commercial segments. Its Q.TRON series uses the company's proprietary Q.ANTUM NEO platform, which is an N-type TOPCon architecture, delivering module efficiencies confirmed at up to 22.6% and an annual degradation rate of around 0.4%, backed by 25-year product and performance warranties. Topsky Energy produces mono PERC and HJT modules across a range of form factors and claims export reach into more than 150 countries. The company appears to serve budget-oriented commercial and off-grid applications, with some higher-end HJT product lines. However, no substantial independent laboratory tests or installer-led reviews were found to validate real-world performance claims.

For a typical buyer in 2025, Q-Cells is the more defensible default - particularly for grid-tied residential or commercial projects where long-term warranty support, proven bankability, and demonstrated efficiency matter. Topsky Energy may suit cost-sensitive buyers in off-grid or emerging-market applications where institutional backing is less critical, but the absence of third-party reviews and Tier 1 recognition makes it a higher-risk choice for financed or large-scale projects.

\---LINKS---

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

\- https://www.ecowatch.com/solar/reviews/qcells-solar-panels \| QCells Solar Panels Review 2025 - Cost, Efficiency and Performance \| review

\- https://carboncredits.com/hanwha-qcells-shines-with-record-breaking-solar-cell-efficiency-and-1-45-billion-doe-loan/ \| Hanwha Qcells - Record Efficiency and $1.45B DOE Loan \| article

\- https://www.enfsolar.com/topsky-energy \| Topsky Energy Co. Ltd - Solar Panels Profile - ENF Solar \| article

\- https://solampio.com/blog-cleantech-info/why-hanwha-q-cells-qantum-neo-is-a-game-changer/ \| Why Hanwha Q CELLS Q.ANTUM NEO Is a Game Changer \| article

Sources:

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

\- \[QCells Solar Panels Review (2025 Cost, Efficiency & Performance)\](https://www.ecowatch.com/solar/reviews/qcells-solar-panels)

\- \[Hanwha Qcells Shines with Record-Breaking Solar Cell Efficiency and $1.45 Billion DOE Loan\](https://carboncredits.com/hanwha-qcells-shines-with-record-breaking-solar-cell-efficiency-and-1-45-billion-doe-loan/)

\- \[Topsky Energy Co., Ltd - Solar Panels - ENF Solar\](https://www.enfsolar.com/topsky-energy)

\- \[Why Hanwha Q Cell's Q.ANTUM NEO is a Game Changer\](https://solampio.com/blog-cleantech-info/why-hanwha-q-cells-qantum-neo-is-a-game-changer/)

Written by claude-sonnet from the figures above.


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- [Q-Cells vs A.B. Energy](https://comparepv.com/q-cells-vs-a-b-energy)
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- [AIKO vs Topsky Energy](https://comparepv.com/aiko-vs-topsky-energy)
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- [ARTsolar vs Topsky Energy](https://comparepv.com/artsolar-vs-topsky-energy)


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Source: https://comparepv.com/q-cells-vs-topsky-energy

Not in this file, on the page: the distributions above drawn as charts.